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Dr. Massimo Lorenzoni
Department of Chemistry, Biology and Biotechnologies, University of Perugia, Via Elce di Sotto, 8, 06123 Perugia, Italy

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0 freshwater crayfish
0 fish diseases

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Short Biography

Dr. Massimo Lorenzoni is Researcher at the Department of Chemistry, Biology and Biotechnologies of the University of Perugia and his studies mainly deal with Italian freshwater fish ecology and biology. He has 30 years of professional experience in biodiversity conservation, with specific expertise in: • Ecology and Biology of fish populations; • Survey, analysis and management of freshwater habitats; • Management and impact assessments of freshwater exotic species.

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Journal article
Published: 13 August 2021 in Environments
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Temporary high-elevation lakes represent vulnerable and unstable environments strongly threatened by tourism, hydrogeological transformations and climate changes. In-depth scientific knowledge on these peculiar habitats is needed, on which to base integrated and sustainable management plans. Freshwater diatoms, thanks to their high diversity and their particular sensitivity to the water chemistry, can be considered powerful ecological indicators, as they are able to reflect environmental changes over time. The aim of the present study was to analyze the diatomic diversity of the Pilato and Palazzo Borghese lakes, two small temporary high-mountain basins, falling in a protected area within the Apennine mountains chain (central Italy). Diatoms data were collected, at the same time as 12 physicochemical parameters, through six microhabitat samplings, from 17 June to 30 August 2019. In both lakes, a total of 111 diatomic species and varieties were identified. The most species-rich genera were Gomphonema, Navicula, and Nitzschia. The Pilato Lake showed a diatomic community dominated by few species, favored by more stable and predictable environmental conditions than the Palazzo Borghese Lake, which hosted a more diversified community, guaranteed by greater spatial and temporal heterogeneity. Both lakes were characterized by the presence of diatomic species typical of good quality waters. The occurrence of numerous aerial species reflected adaptation strategies adopted to colonize environments subjected to extended drought periods. Endangered diatomic species of particular conservational interest were recorded, confirming the need to preserve their habitats.

ACS Style

Rosalba Padula; Antonella Carosi; Alessandro Rossetti; Massimo Lorenzoni. The Diatomic Diversity of Two Mediterranean High-Elevation Lakes in the Sibillini Mountains National Park (Central Italy). Environments 2021, 8, 79 .

AMA Style

Rosalba Padula, Antonella Carosi, Alessandro Rossetti, Massimo Lorenzoni. The Diatomic Diversity of Two Mediterranean High-Elevation Lakes in the Sibillini Mountains National Park (Central Italy). Environments. 2021; 8 (8):79.

Chicago/Turabian Style

Rosalba Padula; Antonella Carosi; Alessandro Rossetti; Massimo Lorenzoni. 2021. "The Diatomic Diversity of Two Mediterranean High-Elevation Lakes in the Sibillini Mountains National Park (Central Italy)." Environments 8, no. 8: 79.

Original paper
Published: 26 May 2021 in Biological Invasions
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Genetic introgression with native species is recognized as a detrimental impact resulting from biological invasions involving taxonomically similar invaders. Whilst the underlying genetic mechanisms are increasingly understood, the ecological consequences of introgression are relatively less studied, despite their utility for increasing knowledge on how invasion impacts can manifest. Here, the ecological consequences of genetic introgression from an invasive congener were tested using the endemic barbel populations of central Italy, where the invader was the European barbel Barbus barbus. Four populations of native Barbus species (B. plebejus and B. tyberinus) were studied: two purebred and two completely introgressed with alien B. barbus. Across the four populations, differences in their biological traits (growth, body condition and population demographic structure) and trophic ecology (gut content analysis and stable isotope analysis) were tested. While all populations had similar body condition and were dominated by fish up to 2 years of age, the introgressed fish had substantially greater lengths at the same age, with maximum lengths 410–460 mm in hybrids versus 340–360 mm in native purebred barbel. The population characterized by the highest number of introgressed B. barbus alleles (81 %) had the largest trophic niche and a substantially lower trophic position than the other populations through its exploitation of a wider range of resources (e.g. small fishes and plants). These results attest that the genetic introgression of an invasive congener with native species can result in substantial ecological consequences, including the potential for cascading effects.

ACS Style

Vanessa De Santis; Silvia Quadroni; Robert J. Britton; Antonella Carosi; Catherine Gutmann Roberts; Massimo Lorenzoni; Giuseppe Crosa; Serena Zaccara. Biological and trophic consequences of genetic introgression between endemic and invasive Barbus fishes. Biological Invasions 2021, 1 -18.

AMA Style

Vanessa De Santis, Silvia Quadroni, Robert J. Britton, Antonella Carosi, Catherine Gutmann Roberts, Massimo Lorenzoni, Giuseppe Crosa, Serena Zaccara. Biological and trophic consequences of genetic introgression between endemic and invasive Barbus fishes. Biological Invasions. 2021; ():1-18.

Chicago/Turabian Style

Vanessa De Santis; Silvia Quadroni; Robert J. Britton; Antonella Carosi; Catherine Gutmann Roberts; Massimo Lorenzoni; Giuseppe Crosa; Serena Zaccara. 2021. "Biological and trophic consequences of genetic introgression between endemic and invasive Barbus fishes." Biological Invasions , no. : 1-18.

Journal article
Published: 30 January 2021 in Water
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In running waters, under climate change conditions, the combined effect of water warming and decreasing flow rates may encourage colonisation by invasive cool and warm-water fish species. The aim of the study was to analyze the potential climate change effects on the spread of four invasive alien fishes in the Tiber River basin, taking into account the effects of river fragmentation. Fish and environmental data collected in 91 sites over the years 1998–2018, were used to analyze temporal changes in their habitat requirements. A multivariate analysis was conducted, and the hypothesis of a range expansion towards the upstream reaches has been tested. For Barbus barbus, Gobio gobio, Padogobius bonelli and Pseudorasbora parva population abundances and body condition were analyzed. Detectability, occupancy, local extinction and colonization probabilities were estimated. We showed that B. barbus and P. bonelli have significantly extended their range toward upstream. P. parva did not move toward higher altitudes significantly, suggesting that, at this stage, the species has probably reached an equilibrium. River fragmentation, elevation, water temperature and average current speed seem to be major determinants in colonization processes, affecting the dispersal ability of the species. Not surprisingly for species introduced in relatively recent times, the colonization probabilities were much higher than extinction probabilities. Our results provided evidence for some synergistic effects between climate changes and alien fish species invasions, in terms of species range shifts mediated by rising water temperatures, although they should be interpreted cautiously, taking into account that these species most likely were not yet stabilized.

ACS Style

Antonella Carosi; Lucia Ghetti; Massimo Lorenzoni. The Role of Climate Changes in the Spread of Freshwater Fishes: Implications for Alien Cool and Warm-Water Species in a Mediterranean Basin. Water 2021, 13, 347 .

AMA Style

Antonella Carosi, Lucia Ghetti, Massimo Lorenzoni. The Role of Climate Changes in the Spread of Freshwater Fishes: Implications for Alien Cool and Warm-Water Species in a Mediterranean Basin. Water. 2021; 13 (3):347.

Chicago/Turabian Style

Antonella Carosi; Lucia Ghetti; Massimo Lorenzoni. 2021. "The Role of Climate Changes in the Spread of Freshwater Fishes: Implications for Alien Cool and Warm-Water Species in a Mediterranean Basin." Water 13, no. 3: 347.

Regular paper
Published: 23 January 2021 in Journal of Fish Biology
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Two fluviolacustrine lineages (SI1 Barbus and SI2 Barbus) of the Barbus genus have been recently detected in the Apulia‐Campania ichthyogeographic district (southern Italy). The aim of this study was to determine the taxonomic status of these lineages by comparing them with the two already‐established Italian fluviolacustrine species Barbus plebejus and Barbus tyberinus through a more in‐depth molecular and morphological investigation. Genetic analyses were performed on both mitochondrial (cytochrome b) and nuclear (growth hormone paralog 2) DNA markers, and morphological analyses were carried out on specific age classes and purebred populations. Molecular analyses detected four evolutionary lineages at the mitochondrial level, whereas the nuclear data set highlighted the strict evolutionary relation between B. plebejus sensu stricto and the new lineages, converged in the B. plebejus complex clade. The morphological analyses allowed us to discriminate SI1 Barbus and SI2 Barbus from both B. plebejus and B. tyberinus. The new taxa could be discriminated by the greatest maximum body height and the longest pre‐orbital distance, respectively. Both the new lineages have longer ventral and pectoral fins than B. plebejus and B. tyberinus, a larger caudal fin than B. tyberinus and a lower number of scales along the lateral line than B. plebejus. Both molecular and morphological results suggested the two southern Italian lineages could be considered as distinct endemic species: the formal description of the new species Barbus samniticus sp. nov. (i.e., SI1 Barbus) and the revalidation of Barbus fucini Costa, 1853 (i.e., SI2 Barbus) were thus proposed, and, for both species, molecular and morphological diagnosis were provided.

ACS Style

Massimo Lorenzoni; Antonella Carosi; Silvia Quadroni; Vanessa De Santis; Isabella Vanetti; Giovanni B. Delmastro; Serena Zaccara. Cryptic diversity within endemic Italian barbels: revalidation and description of new Barbus species (Teleostei: Cyprinidae). Journal of Fish Biology 2021, 98, 1433 -1449.

AMA Style

Massimo Lorenzoni, Antonella Carosi, Silvia Quadroni, Vanessa De Santis, Isabella Vanetti, Giovanni B. Delmastro, Serena Zaccara. Cryptic diversity within endemic Italian barbels: revalidation and description of new Barbus species (Teleostei: Cyprinidae). Journal of Fish Biology. 2021; 98 (5):1433-1449.

Chicago/Turabian Style

Massimo Lorenzoni; Antonella Carosi; Silvia Quadroni; Vanessa De Santis; Isabella Vanetti; Giovanni B. Delmastro; Serena Zaccara. 2021. "Cryptic diversity within endemic Italian barbels: revalidation and description of new Barbus species (Teleostei: Cyprinidae)." Journal of Fish Biology 98, no. 5: 1433-1449.

Journal article
Published: 22 August 2020 in Animals
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On the basis of trophic behavior, fish are classified as herbivores, carnivores, omnivores, or detritivores. Epithelial mucous cells secrete mucin types specific to diet and digestive function. Mucus secretion is regulated mainly by molecular modulators produced by epithelial endocrine cells in response to luminal or tissue stimuli. These modulators are involved in control of food intake and digestive functions. Immunohistochemical and immunofluorescence studies were conducted on 10 adult northern pike (Esox lucius Linnaeus, 1758) from Lake Piediluco (Central Italy) to quantify distribution of sub-types of mucous and endocrine cells in alimentary mucosal epithelium. Neutral mucins predominated in the esophagus, and mixed and acidic mucins predominated in stomach and intestine. The gastric epithelium contained endocrine cells secreting somatostatin, tyrosine hydroxylase, and substance P. Mucous cells secreting neutral mucins increased in number from proximal to distal intestine, with endocrine cells containing substance P in the proximal intestine and those containing Leu-enkephalin throughout the intestine. Lectin histochemistry of gut sections revealed an abundance of N-acetyl-glucosamine and N-acetyl-galactosamine as carbohydrate residues on the mucin chain. The quantity and content of endocrine and mucous cells in the alimentary canal of E. lucius showed a direct relationship with its diet.

ACS Style

Giampaolo Bosi; Massimo Lorenzoni; Antonella Carosi; Bahram Sayyaf Dezfuli. Mucosal Hallmarks in the Alimentary Canal of Northern Pike Esox lucius (Linnaeus). Animals 2020, 10, 1479 .

AMA Style

Giampaolo Bosi, Massimo Lorenzoni, Antonella Carosi, Bahram Sayyaf Dezfuli. Mucosal Hallmarks in the Alimentary Canal of Northern Pike Esox lucius (Linnaeus). Animals. 2020; 10 (9):1479.

Chicago/Turabian Style

Giampaolo Bosi; Massimo Lorenzoni; Antonella Carosi; Bahram Sayyaf Dezfuli. 2020. "Mucosal Hallmarks in the Alimentary Canal of Northern Pike Esox lucius (Linnaeus)." Animals 10, no. 9: 1479.

Journal article
Published: 08 November 2019 in Water
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Climate changes will lead to a worsening of the ecological conditions, in terms of hydrological instability and rising water temperatures, of the Mediterranean rivers. Freshwater fishes inhabiting this area can be threatened in the near future by accelerating drought and decreased ecological connectivity. The main aim of the research was to analyze changes in the distribution of the endemic freshwater fishes Padogobius nigricans, Squalius lucumonis and Telestes muticellus in the Tiber River basin (Italy), within a proven period of climate warming, in terms of increasing water temperature and droughts. A multivariate analysis was conducted using fish and environmental data collected in 117 sites over the years 1990–2017. For the three species, population abundance, age structure and body condition were analyzed. Detectability, occupancy, local extinction and colonization processes were also examined. We showed that S. lucumonis and T. muticellus have shifted their distributions upstream, likely in order to reach their thermal optimum. Padogobius nigricans did not move upstream significantly, since the species is characterized by limited vagility and thus a low dispersal capability in a context of high river fragmentation. In the study area, elevation and river barriers seem to play a key role in extirpation and colonization processes; for S. lucumonis and T. muticellus the extinction probability decreased with increasing altitude, while for P. nigricans the colonization probability decreased with an increasing degree of river fragmentation. These results highlight how species-specific dispersal ability can lead to varying adaptability to climate change.

ACS Style

Antonella Carosi; Rosalba Padula; Lucia Ghetti; Massimo Lorenzoni. Endemic Freshwater Fish Range Shifts Related to Global Climate Changes: A Long-Term Study Provides Some Observational Evidence for the Mediterranean Area. Water 2019, 11, 2349 .

AMA Style

Antonella Carosi, Rosalba Padula, Lucia Ghetti, Massimo Lorenzoni. Endemic Freshwater Fish Range Shifts Related to Global Climate Changes: A Long-Term Study Provides Some Observational Evidence for the Mediterranean Area. Water. 2019; 11 (11):2349.

Chicago/Turabian Style

Antonella Carosi; Rosalba Padula; Lucia Ghetti; Massimo Lorenzoni. 2019. "Endemic Freshwater Fish Range Shifts Related to Global Climate Changes: A Long-Term Study Provides Some Observational Evidence for the Mediterranean Area." Water 11, no. 11: 2349.

Original research
Published: 14 August 2019 in Ecology and Evolution
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The Italian peninsula is a biodiversity hotspot, with its freshwater fish fauna characterized by high levels of local endemism. Two endemic fluvio‐lacustrine fishes of the genus Barbus (barbel, family Cyprinidae) have allopatric distributions in the Tyrrhenian and Adriatic basins of Italy. Barbus plebejus inhabits the mid‐ to northern Adriatic basins, while B. tyberinus is widespread in all central‐northern basins draining into the Tyrrhenian Sea. For basins in Southern Italy draining into the southern parts of these seas, there remains a knowledge gap on their barbel populations due to no previous genetic and morphological studies, despite their apparent biogeographic isolation. Correspondingly, this study quantified the presence and distribution of barbels in the Adriatic and Tyrrhenian basins of Southern Italy through genetic and morphological analyses of 197 fish sampled across eight populations. Testing of how local isolation has influenced the evolution and persistence of these populations was completed by examining sequence variation at two mitochondrial loci (cytochrome b and D‐loop) and performing geometric morphometric analyses of body shape, plus measuring 11 morphometric and meristic characters. Phylogenetic and morphological analyses revealed the presence of two genetically distinct lineages that differed significantly from adjacent B. tyberinus and B. plebejus populations. These two new taxa, here described as SI1 and SI2 Barbus lineages, are highly structured and reflect a complex mosaic biogeographic pattern that is strongly associated with the underlying hydrographical scenarios of the basins. The geographic isolation of these basins thus has high evolutionary importance that has to be considered for maintaining endemism.

ACS Style

Serena Zaccara; Silvia Quadroni; Vanessa De Santis; Isabella Vanetti; Antonella Carosi; Robert Britton; Massimo Lorenzoni. Genetic and morphological analyses reveal a complex biogeographic pattern in the endemic barbel populations of the southern Italian peninsula. Ecology and Evolution 2019, 9, 10185 -10197.

AMA Style

Serena Zaccara, Silvia Quadroni, Vanessa De Santis, Isabella Vanetti, Antonella Carosi, Robert Britton, Massimo Lorenzoni. Genetic and morphological analyses reveal a complex biogeographic pattern in the endemic barbel populations of the southern Italian peninsula. Ecology and Evolution. 2019; 9 (18):10185-10197.

Chicago/Turabian Style

Serena Zaccara; Silvia Quadroni; Vanessa De Santis; Isabella Vanetti; Antonella Carosi; Robert Britton; Massimo Lorenzoni. 2019. "Genetic and morphological analyses reveal a complex biogeographic pattern in the endemic barbel populations of the southern Italian peninsula." Ecology and Evolution 9, no. 18: 10185-10197.

Research article
Published: 30 January 2019 in PLOS ONE
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Sensitivity analysis applied to Artificial Neural Networks (ANNs) as well as to other types of empirical ecological models allows assessing the importance of environmental predictive variables in affecting species distribution or other target variables. However, approaches that only consider values of the environmental variables that are likely to be observed in real-world conditions, given the underlying ecological relationships with other variables, have not yet been proposed. Here, a constrained sensitivity analysis procedure is presented, which evaluates the importance of the environmental variables considering only their plausible changes, thereby exploring only ecological meaningful scenarios. To demonstrate the procedure, we applied it to an ANN model predicting fish species richness, as identifying relationships between environmental variables and fish species occurrence in river ecosystems is a recurring topic in freshwater ecology. Results showed that several environmental variables played a less relevant role in driving the model output when that sensitivity analysis allowed them to vary only within an ecologically meaningful range of values, i.e. avoiding values that the model would never handle in its practical applications. By comparing percent changes in MSE between constrained and unconstrained sensitivity analysis, the relative importance of environmental variables was found to be different, with habitat descriptors and urbanization factors that played a more relevant role according to the constrained procedure. The ecologically constrained procedure can be applied to any sensitivity analysis method for ANNs, but obviously it can also be applied to other types of empirical ecological models.

ACS Style

Simone Franceschini; Lorenzo Tancioni; Massimo Lorenzoni; Francesco Mattei; Michele Scardi. An ecologically constrained procedure for sensitivity analysis of Artificial Neural Networks and other empirical models. PLOS ONE 2019, 14, e0211445 .

AMA Style

Simone Franceschini, Lorenzo Tancioni, Massimo Lorenzoni, Francesco Mattei, Michele Scardi. An ecologically constrained procedure for sensitivity analysis of Artificial Neural Networks and other empirical models. PLOS ONE. 2019; 14 (1):e0211445.

Chicago/Turabian Style

Simone Franceschini; Lorenzo Tancioni; Massimo Lorenzoni; Francesco Mattei; Michele Scardi. 2019. "An ecologically constrained procedure for sensitivity analysis of Artificial Neural Networks and other empirical models." PLOS ONE 14, no. 1: e0211445.

Research article
Published: 02 January 2019 in Conservation Genetics
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Mediterranean brown trout is subject to several serious threats such as pollution, water abstraction, habitat alteration and especially genetic introgression with domestic strains used for stocking activities. Despite this latter issue has largely been debated by scientists, local managers and stakeholders for decades, official stocking practices with domestic trout still persists in several countries (Italy included), even if there are laws explicitly prohibiting introduction of organisms of non-local origin. Probably, the last opportunity to conserve native brown trout populations is represented by protected areas. Therefore, in the present study, we aimed to verify the role of the Nature 2000 network and a national park as valid tools to guarantee the survival of native brown trout in the Apennines. Partial mitochondrial DNA control region sequence analysis and genotyping of the locus LDH-C1* and 11 microsatellites were used to investigate the genetic diversity of three rivers from central Italy. For all rivers investigated a temporal analysis of introgression was also carried out. The genetic diversity of three domestic stocks was included in the sampling design for comparison. The main results of this study indicated that: (i) the genetic diversity of brown trout in central Italy is very complex and (ii) its conservation is seriously threatened by genetic introgression phenomena still ongoing. The only samples showing no introgression or a decrease in genetic introgression were those isolated by the presence of natural and/or artificial barriers to fish movements rather than protected by inhabiting rivers within the Natura 2000 network. This observation prompts an important reflection on issues concerning fluvial continuity restoration and suggests that barrier removal should be undertaken with caution in order to avoid the concrete risk of domestic trout spreading that could promote additional loss of native brown trout biodiversity.

ACS Style

Andrea Splendiani; Massimo Giovannotti; Tommaso Righi; Tatiana Fioravanti; Paola Nisi Cerioni; Massimo Lorenzoni; Antonella Carosi; Gianandrea La Porta; Vincenzo Caputo Barucchi. Introgression despite protection: the case of native brown trout in Natura 2000 network in Italy. Conservation Genetics 2019, 20, 343 -356.

AMA Style

Andrea Splendiani, Massimo Giovannotti, Tommaso Righi, Tatiana Fioravanti, Paola Nisi Cerioni, Massimo Lorenzoni, Antonella Carosi, Gianandrea La Porta, Vincenzo Caputo Barucchi. Introgression despite protection: the case of native brown trout in Natura 2000 network in Italy. Conservation Genetics. 2019; 20 (2):343-356.

Chicago/Turabian Style

Andrea Splendiani; Massimo Giovannotti; Tommaso Righi; Tatiana Fioravanti; Paola Nisi Cerioni; Massimo Lorenzoni; Antonella Carosi; Gianandrea La Porta; Vincenzo Caputo Barucchi. 2019. "Introgression despite protection: the case of native brown trout in Natura 2000 network in Italy." Conservation Genetics 20, no. 2: 343-356.

Original article
Published: 19 November 2018 in Fisheries Management and Ecology
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Global climate changes have led to a gradual warming of the planet, resulting in decreased precipitation and rising temperatures in Mediterranean inland waters. In Trasimeno Lake, the largest shallow lake in Italy, some non‐native fish species have probably benefited from these changes as they are thermophilic and characterised by wider habitat preferences. Fish data collected by gillnets and fyke nets between 1956 and 2016, and by electrofishing in 1993 and 2014, were used to analyse changes over time in the fish community in relation to environmental conditions. An explosion in goldfish Carassius auratus (L.), following its introduction in 1988, coupled with water level fluctuations and reduced transparency, contributed to the reduction in commercial fish catch in the lake, and to the decline of the endemic southern pike Esox cisalpinus Bianco & Delmastro, already threatened by reduced spawning habitat and interspecific competition with other non‐native predatory fishes.

ACS Style

Antonella Carosi; Lucia Ghetti; Rosalba Padula; Massimo Lorenzoni. Potential effects of global climate change on fisheries in the Trasimeno Lake (Italy), with special reference to the goldfish Carassius auratus invasion and the endemic southern pike Esox cisalpinus decline. Fisheries Management and Ecology 2018, 26, 500 -511.

AMA Style

Antonella Carosi, Lucia Ghetti, Rosalba Padula, Massimo Lorenzoni. Potential effects of global climate change on fisheries in the Trasimeno Lake (Italy), with special reference to the goldfish Carassius auratus invasion and the endemic southern pike Esox cisalpinus decline. Fisheries Management and Ecology. 2018; 26 (6):500-511.

Chicago/Turabian Style

Antonella Carosi; Lucia Ghetti; Rosalba Padula; Massimo Lorenzoni. 2018. "Potential effects of global climate change on fisheries in the Trasimeno Lake (Italy), with special reference to the goldfish Carassius auratus invasion and the endemic southern pike Esox cisalpinus decline." Fisheries Management and Ecology 26, no. 6: 500-511.

Journal article
Published: 24 September 2018 in Knowledge & Management of Aquatic Ecosystems
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Lernaea cyprinacea is a non host-specific parasitic copepod known to infest many freshwater fish species. Outbreaks of infestations by this ectoparasite may cause mass mortality of parasitized fishes. L. cyprinacea has been found mostly on pelagic species. Records on small benthic fish species are less common. Especially rare are infestations of Gobioidei adapted to a benthic life style, with reports restricted to Asia and, in Europe, to the Ponto-Caspian region. Although it is cosmopolitan, L. cyprinacea has rarely been found in Italy. One of the few Italian localities with documented infestations is Lake Trasimeno, a lake with an economically important fishery. Although endoparasites of commercially interesting fish species in this lake are well documented, information about ectoparasites is rare. In May 2015, specimens of two gobioids − Knipowitschia panizzae and Pomatoschistus canestrinii − infested with L. cyprinacea were sampled at the south shore of Lake Trasimeno. Both gobies are not native to the lake. This is the first documentation of gobioid fishes as hosts of L. cyprinacea in Italy and in Europe (outside of the Ponto-Caspian region). Although both gobies are not optimal hosts (small size, short life expectancy) they have the potential to carry and to transmit the parasite in freshwater habitats, e.g. by unintentional introduction with fry of other fish species.

ACS Style

Harald Ahnelt; Robert Konecny; Andreas Gabriel; Andreas Bauer; Laura Pompei; Massimo Lorenzoni; Helmut Sattmann. First report of the parasitic copepod Lernaea cyprinacea (Copepoda: Lernaeidae) on gobioid fishes (Teleostei: Gobonellidae) in southern Europe. Knowledge & Management of Aquatic Ecosystems 2018, 34 .

AMA Style

Harald Ahnelt, Robert Konecny, Andreas Gabriel, Andreas Bauer, Laura Pompei, Massimo Lorenzoni, Helmut Sattmann. First report of the parasitic copepod Lernaea cyprinacea (Copepoda: Lernaeidae) on gobioid fishes (Teleostei: Gobonellidae) in southern Europe. Knowledge & Management of Aquatic Ecosystems. 2018; (419):34.

Chicago/Turabian Style

Harald Ahnelt; Robert Konecny; Andreas Gabriel; Andreas Bauer; Laura Pompei; Massimo Lorenzoni; Helmut Sattmann. 2018. "First report of the parasitic copepod Lernaea cyprinacea (Copepoda: Lernaeidae) on gobioid fishes (Teleostei: Gobonellidae) in southern Europe." Knowledge & Management of Aquatic Ecosystems , no. 419: 34.

Journal article
Published: 17 September 2018 in Journal of Limnology
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The Mediterranean brown trout (Salmo trutta complex) is one of the freshwater fish species complex at greater risk of extinction in the Mediterranean area. The introduction of alien invasive species and their interaction with the native fauna represent some of the major threats to the survival of this species. Currently, the genetic variability of the Mediterranean trout (Salmo trutta complex) is being compromised by the introgressive hybridization with the Atlantic trout (Salmo trutta Linnaeus, 1758). Therefore, it is necessary to gain further knowledge on genetic and demographic characteristics of Mediterranean trout populations, that, combined with environmental and angling data, will allow to undertake sound conservation strategies. The aims of the present study were to analyze: i) the demographic characteristics of the Mediterranean trout in seven central Apennine river basins where native populations are threatened by stocking with the domestic trout of north Atlantic origin; ii) the influence of both environmental parameters and different fishery management strategies on the status of native trout populations. The project focuses on 14 sites included in the Natura 2000 EU wide network of nature protection areas, established under the 1992 Habitat Directive. A total of 25 watercourses were investigated for a total of 32 sampling sites. A census of the fish fauna was carried out by electrofishing at each sampling location. Fish and environmental data were collected in spring and autumn 2014. The results obtained in the present research allowed us to detect the presence of three residual Mediterranean trout populations with a high degree of genetic integrity in the study area. The native trout populations were characterized by higher abundances and higher adult density values. Well-structured native populations with higher legal-size specimens density and poor body conditions in terms of relative weight were observed in the no-fishing areas, probably due to the presence of intraspecific competition phenomena. The environmental analysis confirmed the key role played by the geological characteristics of the central Apennines in shaping the introgression levels observed in the wild trout populations, while the recovery of the water quality appears decisive in the development of management strategies aimed at their conservation.

ACS Style

Massimo Lorenzoni; Antonella Carosi; Massimo Giovannotti; Gianandrea La Porta; Andrea Splendiani; Vincenzo Caputo Barucchi. Ecology and conservation of the Mediterranean trout in the central Apennines (Italy). Journal of Limnology 2018, 78, 1 .

AMA Style

Massimo Lorenzoni, Antonella Carosi, Massimo Giovannotti, Gianandrea La Porta, Andrea Splendiani, Vincenzo Caputo Barucchi. Ecology and conservation of the Mediterranean trout in the central Apennines (Italy). Journal of Limnology. 2018; 78 (1):1.

Chicago/Turabian Style

Massimo Lorenzoni; Antonella Carosi; Massimo Giovannotti; Gianandrea La Porta; Andrea Splendiani; Vincenzo Caputo Barucchi. 2018. "Ecology and conservation of the Mediterranean trout in the central Apennines (Italy)." Journal of Limnology 78, no. 1: 1.

Journal article
Published: 16 July 2018 in Parasites & Vectors
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The Northern pike, Esox lucius, is a large, long-lived, top-predator fish species and occupies a broad range of aquatic environments. This species is on its way to becoming an important model organism and has the potential to contribute new knowledge and a better understanding of ecology and evolutionary biology. Very few studies have been done on the intestinal pathology of pike infected with helminths. The present study details the first Italian record of adult Acanthocephalus lucii reported in the intestine of E. lucius. A total of 22 pike from Lake Piediluco (Central Italy) were examined, of which 16 (72.7%) were infected with A. lucii. The most affected areas of gastrointestinal tract were the medium and distal intestine. The intensity of infection ranged from 1 to 18 parasites per host. Acanthocephalus lucii penetrated mucosal and submucosal layers which had a high number of mast cells (MCs) with an intense degranulation. The cellular elements involved in the immune response within the intestine of pike were assessed by ultrastructural techniques and immunohistochemistry using antibodies against met-enkephalin, immunoglobulin E (IgE)-like receptor (FCεRIγ), histamine, interleukin-6, interleukin-1β, substance P, lysozyme, serotonin, inducible-nitric oxide synthase (i-NOS), tumor necrosis factor-α (TNF-α) and the antimicrobial peptide piscidin 3 (P3). In intestines of the pike, several MCs were immunopositive to 9 out of the 11 aforementioned antibodies and infected fish had a higher number of positive MCs when compared to uninfected fish. Pike intestinal tissue response to A. lucii was documented. Numerous MCs were seen throughout the mucosa and submucosal layers. In infected and uninfected intestines of pike, MCs were the dominant immune cell type encountered; they are the most common granulocyte type involved in several fish-helminth systems. Immunopositivity of MCs to 9 out of 11 antibodies is of great interest and these cells could play an important key role in the host response to an enteric helminth. This is the first report of A. lucii in an Italian population of E. lucius and the first account on positivity of MCs to piscidin 3 and histamine in a non-perciform fish.

ACS Style

Bahram Sayyaf Dezfuli; Luisa Giari; Massimo Lorenzoni; Antonella Carosi; Maurizio Manera; Giampaolo Bosi. Pike intestinal reaction to Acanthocephalus lucii (Acanthocephala): immunohistochemical and ultrastructural surveys. Parasites & Vectors 2018, 11, 424 .

AMA Style

Bahram Sayyaf Dezfuli, Luisa Giari, Massimo Lorenzoni, Antonella Carosi, Maurizio Manera, Giampaolo Bosi. Pike intestinal reaction to Acanthocephalus lucii (Acanthocephala): immunohistochemical and ultrastructural surveys. Parasites & Vectors. 2018; 11 (1):424.

Chicago/Turabian Style

Bahram Sayyaf Dezfuli; Luisa Giari; Massimo Lorenzoni; Antonella Carosi; Maurizio Manera; Giampaolo Bosi. 2018. "Pike intestinal reaction to Acanthocephalus lucii (Acanthocephala): immunohistochemical and ultrastructural surveys." Parasites & Vectors 11, no. 1: 424.

Journal article
Published: 09 April 2018 in Knowledge & Management of Aquatic Ecosystems
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In the Mediterranean area, one of the major threats to freshwater fish fauna is represented by the introduction of alien species. The bullhead, Cottus gobio, is a species of great conservation interest threatened by the massive introduction of hatchery-reared brown trout, Salmo trutta, for angling purposes. The aims of this research were: i) to present a case-study of interspecific and intraspecific competition in dwelling fish from two Mediterranean streams (central Italy); ii) to evaluate the bullhead population status before and after the alien brown trout removal, and iii) to investigate the influence of the environmental parameters on the abundance of both species. For the bullhead populations the abundances and the young-of-the-year percentage significantly increased after the removal activities. The growth analysis showed that, after the trout removal, bullhead were distinguished by greater performance and larger sizes in all age classes in comparison to the pre-removal period, while the condition factor (Kn) showed no differences, suggesting that the effects of trout population control acted mainly through predator-prey dynamics. An inverse correlation between the abundance of bullhead and its body condition suggested that the beneficial effects due to the reduction of predation could be compensated by the intraspecific competition due to the increase of the bullhead population density.

ACS Style

Massimo Lorenzoni; Antonella Carosi; Massimo Giovannotti; Gianandrea La Porta; Andrea Splendiani; Vincenzo Caputo Barucchi. Population status of the native Cottus gobio after removal of the alien Salmo trutta: a case-study in two Mediterranean streams (Italy). Knowledge & Management of Aquatic Ecosystems 2018, 22 .

AMA Style

Massimo Lorenzoni, Antonella Carosi, Massimo Giovannotti, Gianandrea La Porta, Andrea Splendiani, Vincenzo Caputo Barucchi. Population status of the native Cottus gobio after removal of the alien Salmo trutta: a case-study in two Mediterranean streams (Italy). Knowledge & Management of Aquatic Ecosystems. 2018; (419):22.

Chicago/Turabian Style

Massimo Lorenzoni; Antonella Carosi; Massimo Giovannotti; Gianandrea La Porta; Andrea Splendiani; Vincenzo Caputo Barucchi. 2018. "Population status of the native Cottus gobio after removal of the alien Salmo trutta: a case-study in two Mediterranean streams (Italy)." Knowledge & Management of Aquatic Ecosystems , no. 419: 22.

Journal article
Published: 01 January 2018 in Aquatic Invasions
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Laura Pompei; Daniela Giannetto; Massimo Lorenzoni. Range expansion of an invasive goby in the River Tiber basin (Central Italy): effects on the abundance and shelter occupancy of a congeneric native goby. Aquatic Invasions 2018, 13, 277 -288.

AMA Style

Laura Pompei, Daniela Giannetto, Massimo Lorenzoni. Range expansion of an invasive goby in the River Tiber basin (Central Italy): effects on the abundance and shelter occupancy of a congeneric native goby. Aquatic Invasions. 2018; 13 (2):277-288.

Chicago/Turabian Style

Laura Pompei; Daniela Giannetto; Massimo Lorenzoni. 2018. "Range expansion of an invasive goby in the River Tiber basin (Central Italy): effects on the abundance and shelter occupancy of a congeneric native goby." Aquatic Invasions 13, no. 2: 277-288.

Journal article
Published: 03 October 2016 in Biogeographia – The Journal of Integrative Biogeography
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Angela Boggero; Cataldo Pierri; Renate Alber; Martina Austoni; Enrico Barbone; Luca Bartolozzi; Isabella Bertani; Alessandro Campanaro; Antonella Cattaneo; Fabio Cianferoni; Paolo Colangelo; Giuseppe Corriero; Ambrosius Martin Dorr; Antonia Concetta Elia; Gentile Francesco Ficetola; Diego Fontaneto; Elda Gaino; Enzo Goretti; Lyudmila Kamburska; Gianandrea La Porta; Rosaria Lauceri; Massimo Lorenzoni; Alessandro Ludovisi; Marina Manca; Giuseppe Morabito; Francesco Nonnis Marzano; Alessandro Oggioni; Nicoletta Rita Riccardi; Giampaolo Rossetti; Paolo Tagliolato; Bertha Thaler; Nicola Ungaro; Pietro Volta; Silvia Zaupa; Ilaria Rosati; Nicola Fiore; Alberto Basset; Aldo Marchetto. A geographic distribution data set of biodiversity in Italian freshwaters. Biogeographia – The Journal of Integrative Biogeography 2016, 31, 1 .

AMA Style

Angela Boggero, Cataldo Pierri, Renate Alber, Martina Austoni, Enrico Barbone, Luca Bartolozzi, Isabella Bertani, Alessandro Campanaro, Antonella Cattaneo, Fabio Cianferoni, Paolo Colangelo, Giuseppe Corriero, Ambrosius Martin Dorr, Antonia Concetta Elia, Gentile Francesco Ficetola, Diego Fontaneto, Elda Gaino, Enzo Goretti, Lyudmila Kamburska, Gianandrea La Porta, Rosaria Lauceri, Massimo Lorenzoni, Alessandro Ludovisi, Marina Manca, Giuseppe Morabito, Francesco Nonnis Marzano, Alessandro Oggioni, Nicoletta Rita Riccardi, Giampaolo Rossetti, Paolo Tagliolato, Bertha Thaler, Nicola Ungaro, Pietro Volta, Silvia Zaupa, Ilaria Rosati, Nicola Fiore, Alberto Basset, Aldo Marchetto. A geographic distribution data set of biodiversity in Italian freshwaters. Biogeographia – The Journal of Integrative Biogeography. 2016; 31 (1):1.

Chicago/Turabian Style

Angela Boggero; Cataldo Pierri; Renate Alber; Martina Austoni; Enrico Barbone; Luca Bartolozzi; Isabella Bertani; Alessandro Campanaro; Antonella Cattaneo; Fabio Cianferoni; Paolo Colangelo; Giuseppe Corriero; Ambrosius Martin Dorr; Antonia Concetta Elia; Gentile Francesco Ficetola; Diego Fontaneto; Elda Gaino; Enzo Goretti; Lyudmila Kamburska; Gianandrea La Porta; Rosaria Lauceri; Massimo Lorenzoni; Alessandro Ludovisi; Marina Manca; Giuseppe Morabito; Francesco Nonnis Marzano; Alessandro Oggioni; Nicoletta Rita Riccardi; Giampaolo Rossetti; Paolo Tagliolato; Bertha Thaler; Nicola Ungaro; Pietro Volta; Silvia Zaupa; Ilaria Rosati; Nicola Fiore; Alberto Basset; Aldo Marchetto. 2016. "A geographic distribution data set of biodiversity in Italian freshwaters." Biogeographia – The Journal of Integrative Biogeography 31, no. 1: 1.

Journal article
Published: 30 August 2016 in Parasites & Vectors
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A survey on endoparasitic helminths from freshwater fishes in the Pantanal Region (Mato Grosso do Sul, Brazil) revealed the occurrence of third-larval stage of the nematode Brevimulticaecum sp. (Heterocheilidae) in most organs of Gymnotus inaequilabiatus (Gymnotidae) also known by the local name tuvira. The aim of the present study was to examine Brevimulticaecum sp.-infected tuvira liver at the ultrastructural level and clarify the nature of granulomas and the cellular elements involved in the immune response to nematode larvae. Thirty-eight adult specimens of tuvira from Porto Morrinho, were acquired in January and March 2016. Infected and uninfected liver tissues were fixed and prepared for histological and ultrastructure investigations. The prevalence of infection of tuvira liver by the nematode larvae was 95 %, with an intensity of infection ranging from 4 to 343 larvae (mean ± SD: 55.31 ± 73.94 larvae per liver). In livers with high numbers of nematode larvae, almost entire hepatic tissue was occupied by the parasites. Hepatocytes showed slight to mild degenerative changes and accumulation of pigments. Parasite larvae were surrounded by round to oval granulomas, the result of focal host tissue response to the infection. Each granuloma was typically formed by three concentric layers: an outer layer of fibrous connective tissue with thin elongated fibroblasts; a middle layer of mast cells entrapped in a thin fibroblast-connective mesh; and an inner layer of densely packed epithelioid cells, displaying numerous desmosomes between each other. Numerous macrophage aggregates occurred in the granulomas and in the parenchyma. Our results in tuvira showed that the larvae were efficiently sequestered within the granulomas, most of the inflammatory components were confined within the thickness of the granuloma, and the parenchyma was relatively free of immune cells and without fibrosis. Presumably this focal encapsulation of the parasites permits uninfected portions of liver to maintain its functions and allows the survival of the host.

ACS Style

Bahram Sayyaf Dezfuli; Carlos E. Fernandes; Gizela M. Galindo; Giuseppe Castaldelli; Maurizio Manera; Joseph A. DePasquale; Massimo Lorenzoni; Sara Bertin; Luisa Giari. Nematode infection in liver of the fish Gymnotus inaequilabiatus (Gymnotiformes: Gymnotidae) from the Pantanal Region in Brazil: pathobiology and inflammatory response. Parasites & Vectors 2016, 9, 473 .

AMA Style

Bahram Sayyaf Dezfuli, Carlos E. Fernandes, Gizela M. Galindo, Giuseppe Castaldelli, Maurizio Manera, Joseph A. DePasquale, Massimo Lorenzoni, Sara Bertin, Luisa Giari. Nematode infection in liver of the fish Gymnotus inaequilabiatus (Gymnotiformes: Gymnotidae) from the Pantanal Region in Brazil: pathobiology and inflammatory response. Parasites & Vectors. 2016; 9 (1):473.

Chicago/Turabian Style

Bahram Sayyaf Dezfuli; Carlos E. Fernandes; Gizela M. Galindo; Giuseppe Castaldelli; Maurizio Manera; Joseph A. DePasquale; Massimo Lorenzoni; Sara Bertin; Luisa Giari. 2016. "Nematode infection in liver of the fish Gymnotus inaequilabiatus (Gymnotiformes: Gymnotidae) from the Pantanal Region in Brazil: pathobiology and inflammatory response." Parasites & Vectors 9, no. 1: 473.

Research article
Published: 22 June 2016 in PLOS ONE
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In this pilot study for the first time, ancient DNA has been extracted from bone remains of Salmo trutta. These samples were from a stratigraphic succession located in a coastal cave of Calabria (southern Italy) inhabited by humans from upper Palaeolithic to historical times. Seven pairs of primers were used to PCR-amplify and sequence from 128 to 410 bp of the mtDNA control region of eleven samples. Three haplotypes were observed: two (ADcs-1 and MEcs-1) already described in rivers from the Italian peninsula; one (ATcs-33) belonging to the southern Atlantic clade of the AT Salmo trutta mtDNA lineage (sensu Bernatchez). The prehistoric occurrence of this latter haplotype in the water courses of the Italian peninsula has been detected for the first time in this study. Finally, we observed a correspondence between frequency of trout remains and variation in haplotype diversity that we related with ecological and demographic changes resulting from a period of rapid cooling known as the Younger Dryas.

ACS Style

Andrea Splendiani; Tatiana Fioravanti; Massimo Giovannotti; Alessandra Negri; Paolo Ruggeri; Luigi Olivieri; Paola Nisi Cerioni; Massimo Lorenzoni; Vincenzo Caputo Barucchi. The Effects of Paleoclimatic Events on Mediterranean Trout: Preliminary Evidences from Ancient DNA. PLOS ONE 2016, 11, e0157975 .

AMA Style

Andrea Splendiani, Tatiana Fioravanti, Massimo Giovannotti, Alessandra Negri, Paolo Ruggeri, Luigi Olivieri, Paola Nisi Cerioni, Massimo Lorenzoni, Vincenzo Caputo Barucchi. The Effects of Paleoclimatic Events on Mediterranean Trout: Preliminary Evidences from Ancient DNA. PLOS ONE. 2016; 11 (6):e0157975.

Chicago/Turabian Style

Andrea Splendiani; Tatiana Fioravanti; Massimo Giovannotti; Alessandra Negri; Paolo Ruggeri; Luigi Olivieri; Paola Nisi Cerioni; Massimo Lorenzoni; Vincenzo Caputo Barucchi. 2016. "The Effects of Paleoclimatic Events on Mediterranean Trout: Preliminary Evidences from Ancient DNA." PLOS ONE 11, no. 6: e0157975.

Journal article
Published: 06 June 2016 in Knowledge & Management of Aquatic Ecosystems
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Padogobius bonelli is a goby native to Northern Italy, but several populations are established in Central Italy out of its native range. P. bonelli caused negative impact on native fish community but any study on growth in the introduced areas has ever been conducted. In this study age, growth and condition of a non-native population of P. bonelli from the River Aggia were investigated. Samples (n = 422) were collected monthly from January to December 2012. Age estimation was based on scalimetry and five age classes (0+–4+) were observed. Sex ratio was strongly male-biased. Growth in previous years was determined by back-calculation from scale measurements and the occurrence of Lee’s phenomenon was tested. Von Bertalanffy growth parameters were estimated (Males: L∞ = 8.35 cm, k = 0.40, Φ′ = 1.44; Females: L∞ = 8.71, k = 0.43 , Φ′ = 1.51). No differences in growth between sexes were observed, despite sexual dimorphism based on the larger size of males is count as a typical trait of the species. This result could be affected by the reverse Lee’s phenomenon that acts only on females, since in the population selectively survived females of larger size. Smaller females would be disadvantaged, especially during the breeding season, as highlighted by the low somatic condition observed in the period April–June. Résumé Padogobius bonelli est un gobie originaire d’Italie du Nord, mais plusieurs populations sont établies en Italie centrale hors de son aire de répartition naturelle. P. bonelli a causé des impacts négatifs sur la communauté de poissons indigènes, mais aucune étude sur la croissance dans les milieux où il a été introduit n’a jamais été menée. Dans cette étude, l’âge, la croissance et l’état d’une population nonnative de P. bonelli de la rivière Aggia ont été étudiés. Les échantillons (n = 422) ont été recueillis chaque mois de janvier à décembre 2012. L’estimation de l’âge a été basée sur la scalimétrie et cinq classes d’âge (0+–4+) ont été observées. Le sex-ratio était fortement en faveur des mâles. La croissance des années précédentes a été déterminée par rétro-calcul à partir de mesures d’écailles et la présence du phénomène de Lee a été testée. Les paramètres de croissance de Von Bertalanffy ont été estimés (mâles : L∞ = 8,35 cm, k = 0,40, Φ′ = 1,44; femelles : L∞ = 8,71, k = 0,43, Φ′ = 1,51). Aucune différence de croissance entre les sexes n’a été observée, en dépit du dimorphisme sexuel et la plus grande taille des mâles rapportée comme un trait typique de l’espèce. Ce résultat pourrait être affecté par le phénomène de Lee inverse qui agit seulement sur les femelles, étant donné que dans la population ont survécu sélectivement les femelles de plus grande taille. Les petites femelles seraient désavantagées, en particulier pendant la saison de reproduction, comme l’a souligné l’état somatique faible observé dans la période avril–juin.

ACS Style

L. Pompei; D. Giannetto; Massimo Lorenzoni. First information on age and growth ofPadogobius bonelli(Bonaparte, 1846) outside of its native range: River Aggia (Central Italy). Knowledge & Management of Aquatic Ecosystems 2016, 26 .

AMA Style

L. Pompei, D. Giannetto, Massimo Lorenzoni. First information on age and growth ofPadogobius bonelli(Bonaparte, 1846) outside of its native range: River Aggia (Central Italy). Knowledge & Management of Aquatic Ecosystems. 2016; (417):26.

Chicago/Turabian Style

L. Pompei; D. Giannetto; Massimo Lorenzoni. 2016. "First information on age and growth ofPadogobius bonelli(Bonaparte, 1846) outside of its native range: River Aggia (Central Italy)." Knowledge & Management of Aquatic Ecosystems , no. 417: 26.

Journal article
Published: 17 May 2016 in Hydrobiologia
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The introduced goby Padogobius bonelli has established abundant populations in the River Tiber basin (Central Italy) and its expansion coincided with the decrease of the endemic P. nigricans. P. bonelli exhibits a more aggressive behaviour than P. nigricans, but other biological attributes may advance its colonization success. To test this hypothesis, some reproductive parameters (gonado-somatic index, age at maturity, egg size, absolute and relative fecundity) of a long-time established non-native population of P. bonelli were analysed and compared to a population from the native area as well as to those of P. nigricans inhabiting the same river. As a result, no differences between non-native and native populations of P. bonelli were observed. On the contrary, non-native P. bonelli showed higher values of gonado-somatic index for both sexes, a more protracted spawning season and produced a greater number of eggs than P. nigricans. These results indicated a greater reproductive output of P. bonelli that can enhance its invasion process and favour the expansion outside of its native range, causing further decline of P. nigricans populations.

ACS Style

Laura Pompei; Daniela Giannetto; Massimo Lorenzoni. Reproductive parameters in native and non-native areas of Padogobius bonelli and comparison with P. nigricans (Actynopterigii, Gobiidae). Hydrobiologia 2016, 779, 173 -182.

AMA Style

Laura Pompei, Daniela Giannetto, Massimo Lorenzoni. Reproductive parameters in native and non-native areas of Padogobius bonelli and comparison with P. nigricans (Actynopterigii, Gobiidae). Hydrobiologia. 2016; 779 (1):173-182.

Chicago/Turabian Style

Laura Pompei; Daniela Giannetto; Massimo Lorenzoni. 2016. "Reproductive parameters in native and non-native areas of Padogobius bonelli and comparison with P. nigricans (Actynopterigii, Gobiidae)." Hydrobiologia 779, no. 1: 173-182.