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The prevalence of neurodegenerative disease (ND) is increasing, partly owing to extensions in lifespan, with a larger percentage of members living to an older age, but the ND aetiology and pathogenesis are not fully understood, and effective treatments are still lacking. Neurodegenerative diseases such as Alzheimer’s disease, Parkinson’s disease, and amyotrophic lateral sclerosis are generally thought to progress as a consequence of genetic susceptibility and environmental influences. Up to now, several environmental triggers have been associated with NDs, and recent studies suggest that some cyanotoxins, produced by cyanobacteria and acting through a variety of molecular mechanisms, are highly neurotoxic, although their roles in neuropathy and particularly in NDs are still controversial. In this review, we summarize the most relevant and recent evidence that points at cyanotoxins as environmental triggers in NDs development.
Paola Sini; Thi Bang Chau Dang; Milena Fais; Manuela Galioto; Bachisio Mario Padedda; Antonella Lugliè; Ciro Iaccarino; Claudia Crosio. Cyanobacteria, Cyanotoxins, and Neurodegenerative Diseases: Dangerous Liaisons. International Journal of Molecular Sciences 2021, 22, 8726 .
AMA StylePaola Sini, Thi Bang Chau Dang, Milena Fais, Manuela Galioto, Bachisio Mario Padedda, Antonella Lugliè, Ciro Iaccarino, Claudia Crosio. Cyanobacteria, Cyanotoxins, and Neurodegenerative Diseases: Dangerous Liaisons. International Journal of Molecular Sciences. 2021; 22 (16):8726.
Chicago/Turabian StylePaola Sini; Thi Bang Chau Dang; Milena Fais; Manuela Galioto; Bachisio Mario Padedda; Antonella Lugliè; Ciro Iaccarino; Claudia Crosio. 2021. "Cyanobacteria, Cyanotoxins, and Neurodegenerative Diseases: Dangerous Liaisons." International Journal of Molecular Sciences 22, no. 16: 8726.
Planothidium marganaiensis sp. nov. is described from periphytic samples collected at the karst spring San Giovanni at Domusnovas, Sardinia (Italy). Light and scanning electron microscope observations revealed that the taxon shares similarities with species within the Planothidium frequentissimum sensu lato, such as P. naradoense and P. victori. Planothidium marganaiensis seems to be morphologically closely related to P. frequentissimum but stands out for its smaller valves, lower striae density, subrostrate to slightly protracted apices, and areolation pattern of the striae in the rapheless valve (four to five areolae per stria). Planothidium marganaiensis was found in slightly alkaline waters presenting medium hardness and mineralization and phosphorus enrichment.
Giuseppina G. Lai; Luc Ector; Bachisio M. Padedda; Carlos E. Wetzel. Planothidium marganaiensis sp. nov. (Bacillariophyta), a new cavum-bearing species from a karst spring in south-western Sardinia (Italy). Phytotaxa 2021, 489, 140 -154.
AMA StyleGiuseppina G. Lai, Luc Ector, Bachisio M. Padedda, Carlos E. Wetzel. Planothidium marganaiensis sp. nov. (Bacillariophyta), a new cavum-bearing species from a karst spring in south-western Sardinia (Italy). Phytotaxa. 2021; 489 (2):140-154.
Chicago/Turabian StyleGiuseppina G. Lai; Luc Ector; Bachisio M. Padedda; Carlos E. Wetzel. 2021. "Planothidium marganaiensis sp. nov. (Bacillariophyta), a new cavum-bearing species from a karst spring in south-western Sardinia (Italy)." Phytotaxa 489, no. 2: 140-154.
Local biodiversity trends over time are likely to be decoupled from global trends, as local processes may compensate or counteract global change. We analyze 161 long-term biological time series (15–91 years) collected across Europe, using a comprehensive dataset comprising ~6,200 marine, freshwater and terrestrial taxa. We test whether (i) local long-term biodiversity trends are consistent among biogeoregions, realms and taxonomic groups, and (ii) changes in biodiversity correlate with regional climate and local conditions. Our results reveal that local trends of abundance, richness and diversity differ among biogeoregions, realms and taxonomic groups, demonstrating that biodiversity changes at local scale are often complex and cannot be easily generalized. However, we find increases in richness and abundance with increasing temperature and naturalness as well as a clear spatial pattern in changes in community composition (i.e. temporal taxonomic turnover) in most biogeoregions of Northern and Eastern Europe.
Francesca Pilotto; Ingolf Kühn; Rita Adrian; Renate Alber; Audrey Alignier; Christopher Andrews; Jaana Bäck; Luc Barbaro; Deborah Beaumont; Natalie Beenaerts; Sue Benham; David S. Boukal; Vincent Bretagnolle; Elisa Camatti; Roberto Canullo; Patricia G. Cardoso; Bruno J. Ens; Gert Everaert; Vesela Evtimova; Heidrun Feuchtmayr; Ricardo García-González; Daniel Gómez García; Ulf Grandin; Jerzy M. Gutowski; Liat Hadar; Lubos Halada; Melinda Halassy; Herman Hummel; Kaisa-Leena Huttunen; Bogdan Jaroszewicz; Thomas C. Jensen; Henrik Kalivoda; Inger Kappel Schmidt; Ingrid Kröncke; Reima Leinonen; Filipe Martinho; Henning Meesenburg; Julia Meyer; Stefano Minerbi; Don Monteith; Boris P. Nikolov; Daniel Oro; Dāvis Ozoliņš; Bachisio M. Padedda; Denise Pallett; Marco Pansera; Miguel Ângelo Pardal; Bruno Petriccione; Tanja Pipan; Juha Pöyry; Stefanie M. Schäfer; Marcus Schaub; Susanne C. Schneider; Agnija Skuja; Karline Soetaert; Gunta Spriņģe; Radoslav Stanchev; Jenni A. Stockan; Stefan Stoll; Lisa Sundqvist; Anne Thimonier; Gert Van Hoey; Gunther Van Ryckegem; Marcel E. Visser; Samuel Vorhauser; Peter Haase. Meta-analysis of multidecadal biodiversity trends in Europe. Nature Communications 2020, 11, 1 .
AMA StyleFrancesca Pilotto, Ingolf Kühn, Rita Adrian, Renate Alber, Audrey Alignier, Christopher Andrews, Jaana Bäck, Luc Barbaro, Deborah Beaumont, Natalie Beenaerts, Sue Benham, David S. Boukal, Vincent Bretagnolle, Elisa Camatti, Roberto Canullo, Patricia G. Cardoso, Bruno J. Ens, Gert Everaert, Vesela Evtimova, Heidrun Feuchtmayr, Ricardo García-González, Daniel Gómez García, Ulf Grandin, Jerzy M. Gutowski, Liat Hadar, Lubos Halada, Melinda Halassy, Herman Hummel, Kaisa-Leena Huttunen, Bogdan Jaroszewicz, Thomas C. Jensen, Henrik Kalivoda, Inger Kappel Schmidt, Ingrid Kröncke, Reima Leinonen, Filipe Martinho, Henning Meesenburg, Julia Meyer, Stefano Minerbi, Don Monteith, Boris P. Nikolov, Daniel Oro, Dāvis Ozoliņš, Bachisio M. Padedda, Denise Pallett, Marco Pansera, Miguel Ângelo Pardal, Bruno Petriccione, Tanja Pipan, Juha Pöyry, Stefanie M. Schäfer, Marcus Schaub, Susanne C. Schneider, Agnija Skuja, Karline Soetaert, Gunta Spriņģe, Radoslav Stanchev, Jenni A. Stockan, Stefan Stoll, Lisa Sundqvist, Anne Thimonier, Gert Van Hoey, Gunther Van Ryckegem, Marcel E. Visser, Samuel Vorhauser, Peter Haase. Meta-analysis of multidecadal biodiversity trends in Europe. Nature Communications. 2020; 11 (1):1.
Chicago/Turabian StyleFrancesca Pilotto; Ingolf Kühn; Rita Adrian; Renate Alber; Audrey Alignier; Christopher Andrews; Jaana Bäck; Luc Barbaro; Deborah Beaumont; Natalie Beenaerts; Sue Benham; David S. Boukal; Vincent Bretagnolle; Elisa Camatti; Roberto Canullo; Patricia G. Cardoso; Bruno J. Ens; Gert Everaert; Vesela Evtimova; Heidrun Feuchtmayr; Ricardo García-González; Daniel Gómez García; Ulf Grandin; Jerzy M. Gutowski; Liat Hadar; Lubos Halada; Melinda Halassy; Herman Hummel; Kaisa-Leena Huttunen; Bogdan Jaroszewicz; Thomas C. Jensen; Henrik Kalivoda; Inger Kappel Schmidt; Ingrid Kröncke; Reima Leinonen; Filipe Martinho; Henning Meesenburg; Julia Meyer; Stefano Minerbi; Don Monteith; Boris P. Nikolov; Daniel Oro; Dāvis Ozoliņš; Bachisio M. Padedda; Denise Pallett; Marco Pansera; Miguel Ângelo Pardal; Bruno Petriccione; Tanja Pipan; Juha Pöyry; Stefanie M. Schäfer; Marcus Schaub; Susanne C. Schneider; Agnija Skuja; Karline Soetaert; Gunta Spriņģe; Radoslav Stanchev; Jenni A. Stockan; Stefan Stoll; Lisa Sundqvist; Anne Thimonier; Gert Van Hoey; Gunther Van Ryckegem; Marcel E. Visser; Samuel Vorhauser; Peter Haase. 2020. "Meta-analysis of multidecadal biodiversity trends in Europe." Nature Communications 11, no. 1: 1.
Coastal lagoons are extremely sensitive to increasing temperature, especially in the Mediterranean basin, which has been identified as a hotspot for global warming. The warming effects on the abundance and size structure of a Mediterranean coastal lagoon plankton community were investigated in this study. Water from Cabras Lagoon (Italy) was incubated in laboratory for 16 days in winter, excluding mesozooplankton. Three temperature treatments were applied: (i) the in situ winter mean water temperature; (ii) + 3 °C, as forecasted for the Mediterranean region by the next century; (iii) + 6 °C, as forecasted for the Mediterranean region by the next two centuries. A direct and positive effect of warming on ciliate density was observed in absence of their predators, as well as a taxonomic composition shift from Oligotrichs to Scuticociliatida. In turn, a decrease in heterotrophic nanoflagellate density was detected under warming. Phytoplankton (autotrophic cell size > 2 µm) density increased significantly, while their mean cell size decreased strongly throughout the experiment at the highest temperature. A significant change in phytoplankton class composition, consisting of the increase of smaller Chlorophyceae which replaced larger Bacillariophyceae, was observed under heating. Considering picoplankton (cell size < 2 µm), a decrease in larger autotrophic cell density was contemporary to an increase in smaller heterotrophic cell density, especially at the highest temperature. This work adds novel information to the predictions about plankton community responses on warming considering several trophic levels, which has been little studied in shallow coastal lagoons and in the Mediterranean basin.
Silvia Pulina; Sanna Suikkanen; Bachisio M. Padedda; Andreas Brutemark; Lorena M. Grubisic; Cecilia Teodora Satta; Tiziana Caddeo; Pasqualina Farina; Antonella Lugliè. Responses of a Mediterranean coastal lagoon plankton community to experimental warming. Marine Biology 2020, 167, 1 -14.
AMA StyleSilvia Pulina, Sanna Suikkanen, Bachisio M. Padedda, Andreas Brutemark, Lorena M. Grubisic, Cecilia Teodora Satta, Tiziana Caddeo, Pasqualina Farina, Antonella Lugliè. Responses of a Mediterranean coastal lagoon plankton community to experimental warming. Marine Biology. 2020; 167 (2):1-14.
Chicago/Turabian StyleSilvia Pulina; Sanna Suikkanen; Bachisio M. Padedda; Andreas Brutemark; Lorena M. Grubisic; Cecilia Teodora Satta; Tiziana Caddeo; Pasqualina Farina; Antonella Lugliè. 2020. "Responses of a Mediterranean coastal lagoon plankton community to experimental warming." Marine Biology 167, no. 2: 1-14.
In this article, we provide a general overview of eutrophication in aquatic ecosystems, with a focus on the Mediterranean Sea and two Sardinian lagoons (western Mediterranean Sea, Italy), as case studies. In the Cabras Lagoon, we assessed the nutrient budget and fluxes using the biogeochemical Land–Ocean Interaction Coastal Zone model. High nutrient and chlorophyll‐a concentrations indicated eutrophic conditions, summer being the most critical season as related to the decrease in riverine water supply, the increase in water evaporation and a concurrent isolation of the lagoon from the adjacent sea. In the Calich Lagoon, the eutrophic conditions, assessed during 2008–2015, seemed to be attenuated by a good water exchange with the sea, yet potential harmful phytoplankton species were found. Overall, the present study shows how Mediterranean coastal lagoons are strongly influenced by both terrestrial and marine ecosystems. Eutrophication is one of the main forms of environmental degradation of aquatic ecosystems, and in coastal lagoons, this is the consequence of multiple pressures, which have led to significant losses of major ecosystem goods and services, such as aquaculture, fishery, and tourism. Good practices and landscape management are urgently needed to prevent further deterioration of these sensible ecosystems.
Bachisio M. Padedda; Silvia Pulina; Cecilia T. Satta; Antonella Lugliè; Paolo Magni. Eutrophication and Nutrient Fluxes in Mediterranean Coastal Lagoons. Encyclopedia of Water 2019, 1 -16.
AMA StyleBachisio M. Padedda, Silvia Pulina, Cecilia T. Satta, Antonella Lugliè, Paolo Magni. Eutrophication and Nutrient Fluxes in Mediterranean Coastal Lagoons. Encyclopedia of Water. 2019; ():1-16.
Chicago/Turabian StyleBachisio M. Padedda; Silvia Pulina; Cecilia T. Satta; Antonella Lugliè; Paolo Magni. 2019. "Eutrophication and Nutrient Fluxes in Mediterranean Coastal Lagoons." Encyclopedia of Water , no. : 1-16.
Karst ecosystems are considered as priority environments for the protection of biodiversity on a global scale. This study provides a first comparative analysis of epilithic diatom flora from karst springs in two Mediterranean geographic areas (Spain and Italy) with contrasting characteristics (islands vs mainland). We investigated twenty-three springs with different anthropogenic impact levels once in the winter season between 2007 and 2017 (N = 23). A total of 176 diatom taxa (56 genera) were found of which 101 (44 genera) were observed in single sites. A general good biotic integrity was revealed by structural indices (species richness, diversity and evenness). However, crenophilous species were generally present and abundant in less impacted springs. Comparing islands and mainland, significant differences were found in species composition and diversity (H’) based on multivariate analyses (global R = 0.610; p = 0.001) and t-test (t = 2.304; p = 0.031). Discharge and Cl− were the most significant variables in determining diatom assemblages. Our results confirm the role of springs as multiple ecotones and refuges for rare species and suggest that the geographic insularity may be an important factor in maintaining diatom biodiversity.
Giuseppina G. Lai; Sara Burato; Bachisio M. Padedda; Raffaella Zorza; Elisabetta Pizzul; Cristina Delgado; Antonella Lugliè; Marco Cantonati. Diatom Biodiversity in Karst Springs of Mediterranean Geographic Areas with Contrasting Characteristics: Islands vs Mainland. Water 2019, 11, 2602 .
AMA StyleGiuseppina G. Lai, Sara Burato, Bachisio M. Padedda, Raffaella Zorza, Elisabetta Pizzul, Cristina Delgado, Antonella Lugliè, Marco Cantonati. Diatom Biodiversity in Karst Springs of Mediterranean Geographic Areas with Contrasting Characteristics: Islands vs Mainland. Water. 2019; 11 (12):2602.
Chicago/Turabian StyleGiuseppina G. Lai; Sara Burato; Bachisio M. Padedda; Raffaella Zorza; Elisabetta Pizzul; Cristina Delgado; Antonella Lugliè; Marco Cantonati. 2019. "Diatom Biodiversity in Karst Springs of Mediterranean Geographic Areas with Contrasting Characteristics: Islands vs Mainland." Water 11, no. 12: 2602.
Mediterranean karst springs are affected by strong climatic seasonality, with long, dry and hot summers and are increasingly threatened by anthropogenic pressures. In Sardinia (western Mediterranean Sea, Italy), they are largely unexplored and their biocoenoses are mostly unknown. The diatom flora from two substrates (cobbles and macrophytes) in eight springs of different areas of the island was investigated in summer 2016 and winter 2017. A total of 162 diatom taxa (58 genera) were found of which 27 (17 genera) only on cobbles and 26 (18 genera) only on macrophytes. The most abundant species from both substrates were Achnanthidium minutissimum, Amphora indistincta, Amphora pediculus, Cocconeis euglypta, Planothidium frequentissimum, and P. lanceolatum. Overall, 67 taxa (40 genera) were recorded in single sites and some of these taxa showed high affinity with specific environmental conditions. Hydrological stability (water flow permanence), discharge and nutrients were the main environmental factors influencing diatom assemblages. Our results suggest that diatoms can reflect important local factors related to the vulnerability of these spring ecosystems and underline the importance of their preservation both for biodiversity and water quality maintenance.
Giuseppina Grazia Lai; Bachisio Mario Padedda; Luc Ector; Carlos Eduardo Wetzel; Antonella Lugliè; Marco Cantonati. Mediterranean karst springs: diatom biodiversity hotspots under the pressure of hydrological fluctuation and nutrient enrichment. Plant Biosystems - An International Journal Dealing with all Aspects of Plant Biology 2019, 154, 673 -684.
AMA StyleGiuseppina Grazia Lai, Bachisio Mario Padedda, Luc Ector, Carlos Eduardo Wetzel, Antonella Lugliè, Marco Cantonati. Mediterranean karst springs: diatom biodiversity hotspots under the pressure of hydrological fluctuation and nutrient enrichment. Plant Biosystems - An International Journal Dealing with all Aspects of Plant Biology. 2019; 154 (5):673-684.
Chicago/Turabian StyleGiuseppina Grazia Lai; Bachisio Mario Padedda; Luc Ector; Carlos Eduardo Wetzel; Antonella Lugliè; Marco Cantonati. 2019. "Mediterranean karst springs: diatom biodiversity hotspots under the pressure of hydrological fluctuation and nutrient enrichment." Plant Biosystems - An International Journal Dealing with all Aspects of Plant Biology 154, no. 5: 673-684.
Seasonal dynamic of Utermöhl fraction of phytoplankton (UFP, cell size > 3 μm) and picophytoplankton (Pico, cell size < 3 μm) were compared in three eutrophic coastal lagoons located in the same geographical area (Western Mediterranean Sea). Considering data on density, biomass, volume and composition of each size class, we focused on three aspects: i) the contribution of UFP and Pico to total phytoplankton; ii) the responses of UFP and Pico to seasonal variations of selected environmental variables; iii) the identification of the main environmental drivers of UFP and Pico seasonal dynamics. Pico contribution to total phytoplankton density was from 20% to 90%, highlighting the potential importance of Pico also in eutrophic ecosystems. Pico contribution to total phytoplankton biomass was lower, from 9% to 16%. Statistically, temperature resulted the strongest environmental factor controlling both the UFP and Pico seasonal variations in all the studied lagoons. In addition, the role of salinity, water transparency and nutrient concentrations was important in relation to the study site and the size class considered. In this work, the effects of temperature, salinity, transparency and nutrient availability on two different phytoplankton size classes have been described in Mediterranean shallow coastal lagoons for the first time, providing new insight for this ecosystem typology worldwide.
Silvia Pulina; Cecilia Teodora Satta; Bachisio Mario Padedda; Nicola Sechi; Antonella Lugliè. Seasonal variations of phytoplankton size structure in relation to environmental variables in three Mediterranean shallow coastal lagoons. Estuarine, Coastal and Shelf Science 2018, 212, 95 -104.
AMA StyleSilvia Pulina, Cecilia Teodora Satta, Bachisio Mario Padedda, Nicola Sechi, Antonella Lugliè. Seasonal variations of phytoplankton size structure in relation to environmental variables in three Mediterranean shallow coastal lagoons. Estuarine, Coastal and Shelf Science. 2018; 212 ():95-104.
Chicago/Turabian StyleSilvia Pulina; Cecilia Teodora Satta; Bachisio Mario Padedda; Nicola Sechi; Antonella Lugliè. 2018. "Seasonal variations of phytoplankton size structure in relation to environmental variables in three Mediterranean shallow coastal lagoons." Estuarine, Coastal and Shelf Science 212, no. : 95-104.
In Sardinia, Italy, karst springs are strategic water resources and potential hotspots of biodiversity; however, they are understudied, and their communities remain largely unknown. This study was conducted at Sa Vena spring (Su Gologone system) to characterize the diatom communities, to describe their relationships with environmental variables, and to evaluate the impact of an extreme flash flood. High species richness, diversity, and evenness were found both in epiphytic and epilithic assemblages. Statistical analyses showed significant differences between assemblages from the 2 substrates and in assemblages from the same substrate. Differences seem due to the stronger impact of seasonal water level variations and flash flood on macrophytes than on cobbles. Further, epilithic assemblages showed more stable behavior over time, both on an annual (higher resistence) and a multiannual (higher resilience) scale. Alkalinity (p = 0.002) and dissolved oxygen (p = 0.004) explained a significant amount of variance in epiphytic and epilithic assemblages, respectively, according to RDA analyses; however BOD5, negatively correlated with dissolved oxygen, can be the most probable driver of epilithic diatoms. The results suggest the importance of the proper management and preservation of this biotope, both for the high biodiversity and potential vulnerability to climate change.
Giuseppina G. Lai; Luc Ector; Carlos E. Wetzel; Nicola Sechi; Antonella Lugliè; Bachisio M. Padedda. Periphytic diatoms of the Mediterranean karst spring Sa Vena (Su Gologone system, Sardinia, Italy): relationships with environmental variables and effects of an extreme flash flood. Inland Waters 2018, 8, 284 -293.
AMA StyleGiuseppina G. Lai, Luc Ector, Carlos E. Wetzel, Nicola Sechi, Antonella Lugliè, Bachisio M. Padedda. Periphytic diatoms of the Mediterranean karst spring Sa Vena (Su Gologone system, Sardinia, Italy): relationships with environmental variables and effects of an extreme flash flood. Inland Waters. 2018; 8 (3):284-293.
Chicago/Turabian StyleGiuseppina G. Lai; Luc Ector; Carlos E. Wetzel; Nicola Sechi; Antonella Lugliè; Bachisio M. Padedda. 2018. "Periphytic diatoms of the Mediterranean karst spring Sa Vena (Su Gologone system, Sardinia, Italy): relationships with environmental variables and effects of an extreme flash flood." Inland Waters 8, no. 3: 284-293.
A first synoptic and trans-domain overview of plankton dynamics was conducted across the aquatic sites belonging to the Italian Long-Term Ecological Research Network (LTER-Italy). Based on published studies, checked and complemented with unpublished information, we investigated phytoplankton and zooplankton annual dynamics and long-term changes across domains: from the large subalpine lakes to mountain lakes and artificial lakes, from lagoons to marine coastal ecosystems. This study permitted identifying common and unique environmental drivers and ecological functional processes controlling seasonal and long-term temporal course. The most relevant patterns of plankton seasonal succession were revealed, showing that the driving factors were nutrient availability, stratification regime, and freshwater inflow. Phytoplankton and mesozooplankton displayed a wide interannual variability at most sites. Unidirectional or linear long-term trends were rarely detected but all sites were impacted across the years by at least one, but in many case several major stressor(s): nutrient inputs, meteo-climatic variability at the local and regional scale, and direct human activities at specific sites. Different climatic and anthropic forcings frequently co-occurred, whereby the responses of plankton communities were the result of this environmental complexity. Overall, the LTER investigations are providing an unparalleled framework of knowledge to evaluate changes in the aquatic pelagic systems and management options.
Giuseppe Morabito; Maria Grazia Mazzocchi; Nico Salmaso; Adriana Zingone; Caterina Bergami; Giovanna Flaim; Stefano Accoroni; Alberto Basset; Mauro Bastianini; Genuario Belmonte; Fabrizio Bernardi Aubry; Isabella Bertani; Mariano Bresciani; Fabio Buzzi; Marina Cabrini; Elisa Camatti; Carmela Caroppo; Bruno Cataletto; Michela Castellano; Paola DEL Negro; Alessandra de Olazabal; Iole Di Capua; Antonia Concetta Elia; Daniela Fornasaro; Marina Giallain; Federica Grilli; Barbara Leoni; Marina Lipizer; Lorenzo Longobardi; Alessandro Ludovisi; Antonella Lugliè; Marina Manca; Francesca Margiotta; Maria Antonietta Mariani; Mauro Marini; Mara Marzocchi; Ulrike Obertegger; Alessandro Oggioni; Bachisio Mario Padedda; Marco Pansera; Roberta Piscia; Paolo Povero; Silvia Pulina; Tiziana Romagnoli; Ilaria Rosati; Giampaolo Rossetti; Fernando Rubino; Diana Sarno; Cecilia Teodora Satta; Nicola Sechi; Elena Stanca; Valentina Tirelli; Cecilia Totti; Alessandra Pugnetti. Plankton dynamics across the freshwater, transitional and marine research sites of the LTER-Italy Network. Patterns, fluctuations, drivers. Science of The Total Environment 2018, 627, 373 -387.
AMA StyleGiuseppe Morabito, Maria Grazia Mazzocchi, Nico Salmaso, Adriana Zingone, Caterina Bergami, Giovanna Flaim, Stefano Accoroni, Alberto Basset, Mauro Bastianini, Genuario Belmonte, Fabrizio Bernardi Aubry, Isabella Bertani, Mariano Bresciani, Fabio Buzzi, Marina Cabrini, Elisa Camatti, Carmela Caroppo, Bruno Cataletto, Michela Castellano, Paola DEL Negro, Alessandra de Olazabal, Iole Di Capua, Antonia Concetta Elia, Daniela Fornasaro, Marina Giallain, Federica Grilli, Barbara Leoni, Marina Lipizer, Lorenzo Longobardi, Alessandro Ludovisi, Antonella Lugliè, Marina Manca, Francesca Margiotta, Maria Antonietta Mariani, Mauro Marini, Mara Marzocchi, Ulrike Obertegger, Alessandro Oggioni, Bachisio Mario Padedda, Marco Pansera, Roberta Piscia, Paolo Povero, Silvia Pulina, Tiziana Romagnoli, Ilaria Rosati, Giampaolo Rossetti, Fernando Rubino, Diana Sarno, Cecilia Teodora Satta, Nicola Sechi, Elena Stanca, Valentina Tirelli, Cecilia Totti, Alessandra Pugnetti. Plankton dynamics across the freshwater, transitional and marine research sites of the LTER-Italy Network. Patterns, fluctuations, drivers. Science of The Total Environment. 2018; 627 ():373-387.
Chicago/Turabian StyleGiuseppe Morabito; Maria Grazia Mazzocchi; Nico Salmaso; Adriana Zingone; Caterina Bergami; Giovanna Flaim; Stefano Accoroni; Alberto Basset; Mauro Bastianini; Genuario Belmonte; Fabrizio Bernardi Aubry; Isabella Bertani; Mariano Bresciani; Fabio Buzzi; Marina Cabrini; Elisa Camatti; Carmela Caroppo; Bruno Cataletto; Michela Castellano; Paola DEL Negro; Alessandra de Olazabal; Iole Di Capua; Antonia Concetta Elia; Daniela Fornasaro; Marina Giallain; Federica Grilli; Barbara Leoni; Marina Lipizer; Lorenzo Longobardi; Alessandro Ludovisi; Antonella Lugliè; Marina Manca; Francesca Margiotta; Maria Antonietta Mariani; Mauro Marini; Mara Marzocchi; Ulrike Obertegger; Alessandro Oggioni; Bachisio Mario Padedda; Marco Pansera; Roberta Piscia; Paolo Povero; Silvia Pulina; Tiziana Romagnoli; Ilaria Rosati; Giampaolo Rossetti; Fernando Rubino; Diana Sarno; Cecilia Teodora Satta; Nicola Sechi; Elena Stanca; Valentina Tirelli; Cecilia Totti; Alessandra Pugnetti. 2018. "Plankton dynamics across the freshwater, transitional and marine research sites of the LTER-Italy Network. Patterns, fluctuations, drivers." Science of The Total Environment 627, no. : 373-387.
Giuseppina G. Lai; Bachisio M. Padedda; Carlos E. Wetzel; Marco Cantonati; Nicola Sechi; Antonella Lugliè; Luc Ector. Diatom assemblages from different substrates of the Casteldoria thermo-mineral spring (Northern Sardinia, Italy). Botany Letters 2018, 166, 14 -31.
AMA StyleGiuseppina G. Lai, Bachisio M. Padedda, Carlos E. Wetzel, Marco Cantonati, Nicola Sechi, Antonella Lugliè, Luc Ector. Diatom assemblages from different substrates of the Casteldoria thermo-mineral spring (Northern Sardinia, Italy). Botany Letters. 2018; 166 (1):14-31.
Chicago/Turabian StyleGiuseppina G. Lai; Bachisio M. Padedda; Carlos E. Wetzel; Marco Cantonati; Nicola Sechi; Antonella Lugliè; Luc Ector. 2018. "Diatom assemblages from different substrates of the Casteldoria thermo-mineral spring (Northern Sardinia, Italy)." Botany Letters 166, no. 1: 14-31.
Harmful algal blooms represent a severe issue worldwide. They affect ecosystem functions and related services and goods, with consequences on human health and socio-economic activities. This study reports new data on paralytic shellfish toxins (PSTs) from Sardinia and Sicily (Italy), the largest Mediterranean islands where toxic events, mainly caused by Alexandrium species (Dinophyceae), have been ascertained in mussel farms since the 2000s. The toxicity of the A. minutum, A. tamarense and A. pacificum strains, established from the isolation of vegetative cells and resting cysts, was determined by high performance liquid chromatography (HPLC). The analyses indicated the highest toxicity for A. pacificum strains (total PSTs up to 17.811 fmol cell−1). The PSTs were also assessed in a strain of A. tamarense. The results encourage further investigation to increase the knowledge of toxic species still debated in the Mediterranean. This study also reports new data on microcystins (MCs) and β-N-methylamino-L-alanine (BMAA) from a Sardinian artificial lake (Lake Bidighinzu). The presence of MCs and BMAA was assessed in natural samples and in cell cultures by enzyme-linked immunosorbent assay (ELISA). BMAA positives were found in all the analysed samples with a maximum of 17.84 µg L−1. The obtained results added further information on cyanotoxins in Mediterranean reservoirs, particularly BMAA, which have not yet been thoroughly investigated.
Antonella Lugliè; Maria Grazia Giacobbe; Elena Riccardi; Milena Bruno; Silvia Pigozzi; Maria Antonietta Mariani; Cecilia Teodora Satta; Daniela Stacca; Anna Maria Bazzoni; Tiziana Caddeo; Pasqualina Farina; Bachisio Mario Padedda; Silvia Pulina; Nicola Sechi; Anna Milandri. Paralytic Shellfish Toxins and Cyanotoxins in the Mediterranean: New Data from Sardinia and Sicily (Italy). Microorganisms 2017, 5, 72 .
AMA StyleAntonella Lugliè, Maria Grazia Giacobbe, Elena Riccardi, Milena Bruno, Silvia Pigozzi, Maria Antonietta Mariani, Cecilia Teodora Satta, Daniela Stacca, Anna Maria Bazzoni, Tiziana Caddeo, Pasqualina Farina, Bachisio Mario Padedda, Silvia Pulina, Nicola Sechi, Anna Milandri. Paralytic Shellfish Toxins and Cyanotoxins in the Mediterranean: New Data from Sardinia and Sicily (Italy). Microorganisms. 2017; 5 (4):72.
Chicago/Turabian StyleAntonella Lugliè; Maria Grazia Giacobbe; Elena Riccardi; Milena Bruno; Silvia Pigozzi; Maria Antonietta Mariani; Cecilia Teodora Satta; Daniela Stacca; Anna Maria Bazzoni; Tiziana Caddeo; Pasqualina Farina; Bachisio Mario Padedda; Silvia Pulina; Nicola Sechi; Anna Milandri. 2017. "Paralytic Shellfish Toxins and Cyanotoxins in the Mediterranean: New Data from Sardinia and Sicily (Italy)." Microorganisms 5, no. 4: 72.
Predicting the responses of organisms is a complex challenge especially when water temperature is expected to increase over the coming decades, as a result of global warming. In this work the effects of warming on phytoplankton communities were investigated. An indoor experiment was performed, where water from a Mediterranean lagoon was incubated at different temperatures. Three treatments were applied in triplicate incubation units: the control (11 °C), 3 °C increase (14 °C), and 6 °C increase (17 °C). Our results showed significant effects by warming on phytoplankton. The abundance of relatively smaller taxa (Chlorella sp. and Planktothrix agardhii–rubescens group) increased at 17 °C, whereas the abundance of relatively larger species (Cyclotella sp. and Thalassiosira sp.) decreased, compared with the control. This shift towards smaller taxa resulted in a higher total biomass but lower chlorophyll a concentrations at the highest temperature.
Silvia Pulina; Andreas Brutemark; Sanna Suikkanen; Bachisio M. Padedda; Lorena M. Grubisic; Cecilia Teodora Satta; Tiziana Caddeo; Pasqualina Farina; Nicola Sechi; Antonella Lugliè. Effects of warming on a Mediterranean phytoplankton community. Web Ecology 2016, 16, 89 -92.
AMA StyleSilvia Pulina, Andreas Brutemark, Sanna Suikkanen, Bachisio M. Padedda, Lorena M. Grubisic, Cecilia Teodora Satta, Tiziana Caddeo, Pasqualina Farina, Nicola Sechi, Antonella Lugliè. Effects of warming on a Mediterranean phytoplankton community. Web Ecology. 2016; 16 (1):89-92.
Chicago/Turabian StyleSilvia Pulina; Andreas Brutemark; Sanna Suikkanen; Bachisio M. Padedda; Lorena M. Grubisic; Cecilia Teodora Satta; Tiziana Caddeo; Pasqualina Farina; Nicola Sechi; Antonella Lugliè. 2016. "Effects of warming on a Mediterranean phytoplankton community." Web Ecology 16, no. 1: 89-92.
Karst springs are considered among the most vulnerable groundwater-dependent ecosystems. Despite their ecological value and importance as strategic water sources, Mediterranean karst springs are still poorly investigated. The aim of this study was to analyse the epilithic diatom assemblages and to test their usefulness as indicators of environmental quality on the Su Gologone spring (central-eastern Sardinia, Italy), a biotope of great natural value and a precious source of drinking water. A total of 89 diatom taxa were found with 25 new records for Sardinian running waters. Species richness, Shannon-Wiener and Pielou indices showed good biotic integrity. The dominant taxa were alkaliphilous, halophobous-oligohalobous exigent, xeno- oligosaprobic and characteristic of oligotrophic waters. The eutrophication/pollution index − diatom based (EPI-D) and the Navicula Nitzschia Surirella indices indicated respectively an excellent/good biological water quality and a low physical disturbance. However, the biological and chemical oxygen demand, and the microbiological variables (E. coli, fecal and total coliforms) revealed an organic contamination of the water, although moderate. The judgment provided by the EPI-D should be verified after updating of the index. In fact, 10 taxa found in this study are not currently considered by the EPI-D method.
Giuseppina G. Lai; Bachisio M. Padedda; Carlos E. Wetzel; Antonella Lugliè; Nicola Sechi; Luc Ector. Epilithic diatom assemblages and environmental quality of the Su Gologone karst spring (centraleastern Sardinia, Italy). Acta botanica Croatica 2016, 75, 129 -143.
AMA StyleGiuseppina G. Lai, Bachisio M. Padedda, Carlos E. Wetzel, Antonella Lugliè, Nicola Sechi, Luc Ector. Epilithic diatom assemblages and environmental quality of the Su Gologone karst spring (centraleastern Sardinia, Italy). Acta botanica Croatica. 2016; 75 (1):129-143.
Chicago/Turabian StyleGiuseppina G. Lai; Bachisio M. Padedda; Carlos E. Wetzel; Antonella Lugliè; Nicola Sechi; Luc Ector. 2016. "Epilithic diatom assemblages and environmental quality of the Su Gologone karst spring (centraleastern Sardinia, Italy)." Acta botanica Croatica 75, no. 1: 129-143.
The aim of our study was to evaluate the abundance of cyanobacteria and microcystins in four Sardinian reservoirs (Italy) characterised by different trophic status to define a reference picture for future changes. Increasing levels of eutrophication and the abundance of cyanobacteria are expected to occur due to climate change, especially in the southern Mediterranean. Consequently, an in-depth study of the occurrence of harmful cyanobacteria is important to develop appropriate management strategies for water resources at a local scale. Monthly samples were collected at one station in each reservoir over an 18-month period. The Analysis of similarity indicated that cyanobacterial abundance and species composition differed significantly among the reservoirs. The Redundancy analysis highlighted their relationship to trophic, hydrological and seasonal patterns. Spearman’s analysis indicated that there were significant correlations among the most important species (Planktothrix agardhii–rubescens group, Aphanizomenon flos-aquae and Dolichospermum planctonicum), nutrients and microcystins. We highlighted that the species composition during periods of maximum microcystin concentrations differed from those typically reported for other Mediterranean sites. We found new potential microcystin producers (Aphanizomenon klebahnii, Dolichospermum macrosporum and Dolichospermum viguieri), which emphasised the high diversity of cyanobacteria in the Mediterranean area and the need for detailed research at the local scale.
Maria Antonietta Mariani; Bachisio Mario Padedda; Jan Kaštovský; Paola Buscarinu; Nicola Sechi; Tomasa Virdis; Antonella Lugliè. Effects of trophic status on microcystin production and the dominance of cyanobacteria in the phytoplankton assemblage of Mediterranean reservoirs. Scientific Reports 2015, 5, 17964 .
AMA StyleMaria Antonietta Mariani, Bachisio Mario Padedda, Jan Kaštovský, Paola Buscarinu, Nicola Sechi, Tomasa Virdis, Antonella Lugliè. Effects of trophic status on microcystin production and the dominance of cyanobacteria in the phytoplankton assemblage of Mediterranean reservoirs. Scientific Reports. 2015; 5 (1):17964.
Chicago/Turabian StyleMaria Antonietta Mariani; Bachisio Mario Padedda; Jan Kaštovský; Paola Buscarinu; Nicola Sechi; Tomasa Virdis; Antonella Lugliè. 2015. "Effects of trophic status on microcystin production and the dominance of cyanobacteria in the phytoplankton assemblage of Mediterranean reservoirs." Scientific Reports 5, no. 1: 17964.
With many lakes and other inland water bodies worldwide being increasingly affected by eutrophication resulting from excess nutrient input, there is an urgent need for improved monitoring and prediction methods of nutrient load effects in such ecosystems. In this study, we adopted a catchment-based approach to identify and estimate the direct effect of external nutrient loads originating in the drainage basin on the trophic state of a Mediterranean reservoir. We also evaluated the trophic state variations related to the theoretical manipulation of nutrient inputs. The study was conducted on Lake Cedrino, a typical warm monomictic reservoir, between 2010 and 2011. We assessed the hypereutrophic condition of the reservoir by monthly samplings of the water column and compared these results with the amount of nutrient load originating from anthropic activities in the drainage basin [42.6 t P y−1 for total phosphorus (P) and 531 t N y−1 for total nitrogen (N)]. We verified how the predictive OECD management model could be confidently applied to predict the P concentration in the reservoir on the basis of estimated loads from the drainage basin (98.7 mg P m−3 assessed versus 101 mg P m−3 estimated, approximately 2.5% over). Different scenarios are presented showing how it is possible to reduce approximately 62% P and 43% N, altering the condition of the ecosystem to become more mesotrophic. We also propose some management strategies to improve water quality in this lake ecosystem.
Bachisio Mario Padedda; Nicola Sechi; Giuseppina Grazia Lai; Maria Antonietta Mariani; Silvia Pulina; Cecilia Teodora Satta; Anna Maria Bazzoni; Tomasa Virdis; Paola Buscarinu; Antonella Lugliè. A fast-response methodological approach to assessing and managing nutrient loads in eutrophic Mediterranean reservoirs. Ecological Engineering 2015, 85, 47 -55.
AMA StyleBachisio Mario Padedda, Nicola Sechi, Giuseppina Grazia Lai, Maria Antonietta Mariani, Silvia Pulina, Cecilia Teodora Satta, Anna Maria Bazzoni, Tomasa Virdis, Paola Buscarinu, Antonella Lugliè. A fast-response methodological approach to assessing and managing nutrient loads in eutrophic Mediterranean reservoirs. Ecological Engineering. 2015; 85 ():47-55.
Chicago/Turabian StyleBachisio Mario Padedda; Nicola Sechi; Giuseppina Grazia Lai; Maria Antonietta Mariani; Silvia Pulina; Cecilia Teodora Satta; Anna Maria Bazzoni; Tomasa Virdis; Paola Buscarinu; Antonella Lugliè. 2015. "A fast-response methodological approach to assessing and managing nutrient loads in eutrophic Mediterranean reservoirs." Ecological Engineering 85, no. : 47-55.
Spread of alien species (AS) is a serious threat to marine habitats and analysis of principal descriptors of their occurrence is pivotal to set reliable conservation strategies. In order to assess the susceptibility of marine habitats to biological invasions, a dataset was gathered of the occurrence of 3899 species from 29 phyla, taken from 93 marine sites located along the Italian coast in the period 2000–2012. In total, 61 AS belonging to 11 phyla have been recorded. Invertebrates were the most represented (63%). Alien species were found in all the habitats examined (EUNIS, level 2), although they showed highest abundance in benthic habitats. Most of the AS were associated with a single EUNIS habitat, while some of them were present in more than one habitat. Trans‐habitat occurrence suggests the potential invasiveness of AS. According to statistical analysis, AS recorded could have been more numerous, since some of the marine habitats seemed to be still unsaturated. The model that best describes the spread of AS takes account of both native species richness (Rn) and EUNIS habitat type as explanatory variables. The number of observed AS was directly related to Rn and it was highest in rocky circalittoral and infralittoral habitats. The results of this macro‐ecological study focus on the importance of performing large‐scale studies, since adopting ecosystem approaches to marine invasion management seems especially fruitful. The results, moreover, highlight the importance of AS monitoring of different habitats, from those subjected to anthropogenic pressure, historically considered to be hubs of introduction of AS, to the most biologically rich and diverse marine habitats. Indeed, it is necessary to set monitoring strategies to detect the introduction, the distribution and persistence of AS over time. These recommendations are especially significant in the light of the strategic plans currently under formulation in Mediterranean countries with regard to AS monitoring. Copyright © 2015 John Wiley & Sons, Ltd.
Giuseppe Corriero; Cataldo Pierri; Stefano Accoroni; Giorgio Alabiso; Giorgio Bavestrello; Enrico Barbone; Mauro Bastianini; Anna Maria Bazzoni; Fabrizio Bernardi Aubry; Ferdinando Boero; Maria Cristina Buia; Marina Cabrini; Elisa Camatti; Frine Cardone; Bruno Cataletto; Riccardo Cattaneo Vietti; Ester Cecere; Tamara Cibic; Paolo Colangelo; Alessandra De Olazabal; Gianfranco D'Onghia; Stefania Finotto; Nicola Fiore; Daniela Fornasaro; Simonetta Fraschetti; Maria Cristina Gambi; Adriana Giangrande; Cinzia Gravili; Rosanna Guglielmo; Caterina Longo; Maurizio Lorenti; Antonella Lugliè; Porzia Maiorano; Maria Grazia Mazzocchi; Maria Mercurio; Francesco Mastrototaro; Michele Mistri; Marina Monti; Cristina Munari; Luigi Musco; Carlotta Nonnis-Marzano; Bachisio Mario Padedda; Francesco Paolo Patti; Antonella Petrocelli; Stefano Piraino; Giuseppe Portacci; Alessandra Pugnetti; Silvia Pulina; Tiziana Romagnoli; Ilaria Rosati; Diana Sarno; Cecilia Teodora Satta; Nicola Sechi; Stefano Schiaparelli; Beatrice Scipione; Letizia Sion; Antonio Terlizzi; Valentina Tirelli; Cecilia Totti; Angelo Tursi; Nicola Ungaro; Adriana Zingone; Valerio Zupo; Alberto Basset. Ecosystem vulnerability to alien and invasive species: a case study on marine habitats along the Italian coast. Aquatic Conservation: Marine and Freshwater Ecosystems 2015, 26, 392 -409.
AMA StyleGiuseppe Corriero, Cataldo Pierri, Stefano Accoroni, Giorgio Alabiso, Giorgio Bavestrello, Enrico Barbone, Mauro Bastianini, Anna Maria Bazzoni, Fabrizio Bernardi Aubry, Ferdinando Boero, Maria Cristina Buia, Marina Cabrini, Elisa Camatti, Frine Cardone, Bruno Cataletto, Riccardo Cattaneo Vietti, Ester Cecere, Tamara Cibic, Paolo Colangelo, Alessandra De Olazabal, Gianfranco D'Onghia, Stefania Finotto, Nicola Fiore, Daniela Fornasaro, Simonetta Fraschetti, Maria Cristina Gambi, Adriana Giangrande, Cinzia Gravili, Rosanna Guglielmo, Caterina Longo, Maurizio Lorenti, Antonella Lugliè, Porzia Maiorano, Maria Grazia Mazzocchi, Maria Mercurio, Francesco Mastrototaro, Michele Mistri, Marina Monti, Cristina Munari, Luigi Musco, Carlotta Nonnis-Marzano, Bachisio Mario Padedda, Francesco Paolo Patti, Antonella Petrocelli, Stefano Piraino, Giuseppe Portacci, Alessandra Pugnetti, Silvia Pulina, Tiziana Romagnoli, Ilaria Rosati, Diana Sarno, Cecilia Teodora Satta, Nicola Sechi, Stefano Schiaparelli, Beatrice Scipione, Letizia Sion, Antonio Terlizzi, Valentina Tirelli, Cecilia Totti, Angelo Tursi, Nicola Ungaro, Adriana Zingone, Valerio Zupo, Alberto Basset. Ecosystem vulnerability to alien and invasive species: a case study on marine habitats along the Italian coast. Aquatic Conservation: Marine and Freshwater Ecosystems. 2015; 26 (2):392-409.
Chicago/Turabian StyleGiuseppe Corriero; Cataldo Pierri; Stefano Accoroni; Giorgio Alabiso; Giorgio Bavestrello; Enrico Barbone; Mauro Bastianini; Anna Maria Bazzoni; Fabrizio Bernardi Aubry; Ferdinando Boero; Maria Cristina Buia; Marina Cabrini; Elisa Camatti; Frine Cardone; Bruno Cataletto; Riccardo Cattaneo Vietti; Ester Cecere; Tamara Cibic; Paolo Colangelo; Alessandra De Olazabal; Gianfranco D'Onghia; Stefania Finotto; Nicola Fiore; Daniela Fornasaro; Simonetta Fraschetti; Maria Cristina Gambi; Adriana Giangrande; Cinzia Gravili; Rosanna Guglielmo; Caterina Longo; Maurizio Lorenti; Antonella Lugliè; Porzia Maiorano; Maria Grazia Mazzocchi; Maria Mercurio; Francesco Mastrototaro; Michele Mistri; Marina Monti; Cristina Munari; Luigi Musco; Carlotta Nonnis-Marzano; Bachisio Mario Padedda; Francesco Paolo Patti; Antonella Petrocelli; Stefano Piraino; Giuseppe Portacci; Alessandra Pugnetti; Silvia Pulina; Tiziana Romagnoli; Ilaria Rosati; Diana Sarno; Cecilia Teodora Satta; Nicola Sechi; Stefano Schiaparelli; Beatrice Scipione; Letizia Sion; Antonio Terlizzi; Valentina Tirelli; Cecilia Totti; Angelo Tursi; Nicola Ungaro; Adriana Zingone; Valerio Zupo; Alberto Basset. 2015. "Ecosystem vulnerability to alien and invasive species: a case study on marine habitats along the Italian coast." Aquatic Conservation: Marine and Freshwater Ecosystems 26, no. 2: 392-409.
In this study, the geographical distribution and multiannual trends of potentially toxic harmful algal species (HAS) were analysed at 18 mussel farms in Sardinia (Italy, North-Western Mediterranean Sea) using data derived from the Sardinian Regional Monitoring Programme (1988–2012). The results showed an increasing number of potentially toxic microalgae over the study period. Alexandrium catenella and Alexandrium minutum were the most harmful species detected. From 2002 to 2009, these species caused eight paralytic shellfish poisoning-positive events which temporarily stopped commercial trade of mussels. The statistical analysis indicated that some taxa exhibited temporal increasing trends in their abundance (e.g. Pseudo-nitzschia spp.), significant decrements (e.g. Dinophysis sp.), or both increasing and decreasing significant trends (e.g. A. minutum) at different sites, indicating the necessity of further in-depth studies, especially on certain taxa. Overall, the statistical elaboration of the long-term data provided useful signals for early detection of shellfish contamination by different potentially toxic HAS in defined sites. These signals can be used to develop best management practices.
Anna Maria Bazzoni; Tiziana Caddeo; Silvia Pulina; Bachisio Mario Padedda; Cecilia Teodora Satta; Nicola Sechi; Antonella Lugliè. Spatial distribution and multiannual trends of potentially toxic microalgae in shellfish farms along the Sardinian coast (NW Mediterranean Sea). Environmental Monitoring and Assessment 2015, 187, 1 .
AMA StyleAnna Maria Bazzoni, Tiziana Caddeo, Silvia Pulina, Bachisio Mario Padedda, Cecilia Teodora Satta, Nicola Sechi, Antonella Lugliè. Spatial distribution and multiannual trends of potentially toxic microalgae in shellfish farms along the Sardinian coast (NW Mediterranean Sea). Environmental Monitoring and Assessment. 2015; 187 (3):1.
Chicago/Turabian StyleAnna Maria Bazzoni; Tiziana Caddeo; Silvia Pulina; Bachisio Mario Padedda; Cecilia Teodora Satta; Nicola Sechi; Antonella Lugliè. 2015. "Spatial distribution and multiannual trends of potentially toxic microalgae in shellfish farms along the Sardinian coast (NW Mediterranean Sea)." Environmental Monitoring and Assessment 187, no. 3: 1.
We investigated multiannual trends in phytoplankton in relation to several environmental drivers. We analyzed ecological data collected during the past two decades from three aquatic sites: an artificial lake, a coastal lagoon, and a marine coastal area. Hydrographic, nutrient, and phytoplankton data were statistically analyzed to detect trends and interactions. In all ecosystems, the chlorophyll a concentration decreased with increasing abundance of small-sized phytoplankton. Phytoplankton dynamics were related to decreased nutrient concentrations in the lake, to dynamics of phosphorus and decreased salinity in the lagoon, and probably to combined top-down and bottom-up processes in the marine gulf.
S. Pulina; Sanna Suikkanen; Cecilia Teodora Satta; M. A. Mariani; Bachisio Mario Padedda; T. Virdis; T. Caddeo; N. Sechi; Antonella Lugliè. Multiannual phytoplankton trends in relation to environmental changes across aquatic domains: A case study from Sardinia (Mediterranean Sea). Plant Biosystems - An International Journal Dealing with all Aspects of Plant Biology 2014, 150, 660 -670.
AMA StyleS. Pulina, Sanna Suikkanen, Cecilia Teodora Satta, M. A. Mariani, Bachisio Mario Padedda, T. Virdis, T. Caddeo, N. Sechi, Antonella Lugliè. Multiannual phytoplankton trends in relation to environmental changes across aquatic domains: A case study from Sardinia (Mediterranean Sea). Plant Biosystems - An International Journal Dealing with all Aspects of Plant Biology. 2014; 150 (4):660-670.
Chicago/Turabian StyleS. Pulina; Sanna Suikkanen; Cecilia Teodora Satta; M. A. Mariani; Bachisio Mario Padedda; T. Virdis; T. Caddeo; N. Sechi; Antonella Lugliè. 2014. "Multiannual phytoplankton trends in relation to environmental changes across aquatic domains: A case study from Sardinia (Mediterranean Sea)." Plant Biosystems - An International Journal Dealing with all Aspects of Plant Biology 150, no. 4: 660-670.
Reservoirs are subject to severe fluctuations in the water level from seasonal and interannual climatic variations, as well as abstraction for irrigation, hydropower, and drinking water. This can affect the matter and energy transfer through the food web, of which zooplankton is of crucial importance. We traced seasonal changes in the carbon and nitrogen stable isotope signatures of suspended particulate matter and crustacean zooplankton from a small Mediterranean reservoir. The δ13C and δ15N isotopic baseline signature of the lake varied seasonally, becoming more 13C-depleted and 15N-enriched in winter and less 13C-depleted and 15N-enriched values in the drier summer months, when external water inputs were negligible. Seasonal changes in the δ13C and δ15N SPM isotopic signature were well reflected in the herbivorous cladocerans. δ15N of the calanoid and cyclopoid copepods were at least 3‰ greater than for the herbivorous cladocera, suggesting their potential use as a food resource. δ13C of predatory copepods were also consistent with seasonal fluctuations in the δ13C SPM baseline, except during the heavy rains in early spring, when they were observably rich in lipids with a higher C/N ratio, suggesting that they had entered dormancy and were not actively feeding in the water column. This indicates the importance of taking into account not only the seasonality, but the community dynamics and trophic level of zooplankton taxa when interpreting stable isotope studies.
Amedeo Fadda; Ruth Rawcliffe; Bachisio Mario Padedda; Antonella Lugliè; Nicola Sechi; Federica Camin; Luca Ziller; Marina Manca. Spatiotemporal dynamics of C and N isotopic signature of zooplankton: a seasonal study on a man-made lake in the Mediterranean region. Annales de Limnologie - International Journal of Limnology 2014, 50, 279 -287.
AMA StyleAmedeo Fadda, Ruth Rawcliffe, Bachisio Mario Padedda, Antonella Lugliè, Nicola Sechi, Federica Camin, Luca Ziller, Marina Manca. Spatiotemporal dynamics of C and N isotopic signature of zooplankton: a seasonal study on a man-made lake in the Mediterranean region. Annales de Limnologie - International Journal of Limnology. 2014; 50 (4):279-287.
Chicago/Turabian StyleAmedeo Fadda; Ruth Rawcliffe; Bachisio Mario Padedda; Antonella Lugliè; Nicola Sechi; Federica Camin; Luca Ziller; Marina Manca. 2014. "Spatiotemporal dynamics of C and N isotopic signature of zooplankton: a seasonal study on a man-made lake in the Mediterranean region." Annales de Limnologie - International Journal of Limnology 50, no. 4: 279-287.