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Prof. Maria Teodosio
Centre for marine sciences, University of Algarve, 8005-139 Faro, Portugal

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0 Global Change
0 Marine Ecology
0 ocean acidification
0 Zooplankton
0 Trophic ecology

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Original article
Published: 22 April 2021 in Austral Entomology
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Interspecific interactions, such as competition, are among the key factors that determine the distribution, abundance and diversity of organisms in natural communities of aquatic ecosystems. However, a marked reduction in the environmental integrity of streams may lead to modifications of the natural dynamics of these communities, including co‐occurrence patterns and body size. In the Amazon, the replacement of forests by production systems is one of the leading causes of alterations to riverine ecosystem. The insects of the order Odonata (dragonflies and damselflies) are predators known to compete for environmental resources but are also sensitive to environmental changes such as those caused by shifts in land use. In this scenario, the present study evaluated species co‐occurrence and body size patterns in adult odonates found at preserved and altered Amazonian streams, to determine whether there are morphological differences among the species that enable their coexistence. During the study, 98 streams in the eastern Amazon region were sampled, and a habitat integrity index (HII) was used to evaluate the integrity of each stream (based on variables such as the condition of the riparian vegetation and channel, and land use). Ten male individuals were selected from each species, and nine morphometric measurements were taken from each individual. A total of 3588 specimens were collected and distributed in nine families, 49 genera and 134 species. We found a non‐random pattern of co‐occurrence in the species of the odonate suborder Zygoptera and a random pattern in the suborder Anisoptera, in both preserved and altered streams. We found morphological divergence between pairs of zygopteran species, in the whole sample and both categories of stream integrity separately. No such morphological divergence was found in the pairs of anisopteran species. The distribution patterns of odonate species are limited by specific environmental processes, especially in preserved environments and in specialists, such as most zygopterans. Zygopteran species have more specific microhabitat requirements, which could explain this pattern, whereas anisopterans prefer open environments, which usually have a greater supply of resources, although there tends to be less microhabitat heterogeneity, which leads to reduced competition. Given this, future studies should use limiting similarity (e.g. morphological attributes) in addition to environmental and spatial factors to better understand the factors structuring these communities. Among these mechanisms, the effects of common ancestry (phylogenetic inertia) and biogeography are important factors that should also be considered in future studies.

ACS Style

José Max B Oliveira‐Junior; Maria Alexandra Teodósio; Leandro Juen. Patterns of co‐occurrence and body size in dragonflies and damselflies (Insecta: Odonata) in preserved and altered Amazonian streams. Austral Entomology 2021, 60, 436 -450.

AMA Style

José Max B Oliveira‐Junior, Maria Alexandra Teodósio, Leandro Juen. Patterns of co‐occurrence and body size in dragonflies and damselflies (Insecta: Odonata) in preserved and altered Amazonian streams. Austral Entomology. 2021; 60 (2):436-450.

Chicago/Turabian Style

José Max B Oliveira‐Junior; Maria Alexandra Teodósio; Leandro Juen. 2021. "Patterns of co‐occurrence and body size in dragonflies and damselflies (Insecta: Odonata) in preserved and altered Amazonian streams." Austral Entomology 60, no. 2: 436-450.

Article
Published: 12 March 2021 in Thalassas: An International Journal of Marine Sciences
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The coastal waters of Angola support a rich and diverse fauna. However, the ichthyofauna of the region is poorly known; the only fish species studied in detail are those with commercial importance. The main objective of the present study is to report the presence of several fish species for the first time from the coast of Angola. The records were made during a survey in the coastal area of Luanda Island. Species were identified based on photographs taken during SCUBA diving surveys. In the present study, we report for the first time the occurrence of seven fish species in the Angolan region, belonging to six families: Pomacanthidae (Guinean angelfish Holacanthus africanus), Pomacentridae (African sergeant Abudefduf hoefleri), Labridae (Guinean rainbow wrasse Coris atlantica and Newton’s wrasse Thalassoma newtoni), Scaridae (Guinean parrotfish Scarus hoefleri), Blenniidae (oyster blenny Hypleurochilus aequipinnis), and Tetraodontidae (sharpnose-puffer Canthigaster capistrata). These records from Luanda Island are the southernmost known for the species reported here.

ACS Style

Vânia Baptista; João Encarnação; Ester A. Serrão; Peter Wirtz; Lueji Barros Pestana; Silvana Faria; Maria Alexandra Teodósio. New Records of Fish Species from the Coast of Luanda, Angola. Thalassas: An International Journal of Marine Sciences 2021, 1 -9.

AMA Style

Vânia Baptista, João Encarnação, Ester A. Serrão, Peter Wirtz, Lueji Barros Pestana, Silvana Faria, Maria Alexandra Teodósio. New Records of Fish Species from the Coast of Luanda, Angola. Thalassas: An International Journal of Marine Sciences. 2021; ():1-9.

Chicago/Turabian Style

Vânia Baptista; João Encarnação; Ester A. Serrão; Peter Wirtz; Lueji Barros Pestana; Silvana Faria; Maria Alexandra Teodósio. 2021. "New Records of Fish Species from the Coast of Luanda, Angola." Thalassas: An International Journal of Marine Sciences , no. : 1-9.

Communication
Published: 05 November 2020 in Oceans
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The rivers of São Tomé Island are colonized by Sicydium bustamantei (Greeff 1882), an amphidromous fish that spawns in those areas. After hatching, larvae drift to the ocean with the river flow. In the marine realm, the planktonic larvae develop and migrate to freshwater as post-larvae. The migrations of post-larvae support important local fisheries at the mouth of rivers in tropical volcanic islands. Amphidromous post-larvae rely on plankton as their main source of organic matter. However, the biology and ecology of S. bustamantei in the West African islands are understudied, despite its importance for local fisheries. Thus, this study aimed to start bridging this gap by studying its feeding ecology. Our objectives were to identify the main prey of S. bustamantei post-larvae, combining gut content with stable isotope analyses. The gut contents included zooplankton (Chaetognatha, Ostracoda, and unidentified crustaceans), debris from plant and/or macroalgae-derived material, and microplastics (including microfibers). The stable isotopes analysis indicated that zooplankton and macroalgae detritus were the main sources of organic matter assimilated by this species. We also demonstrated that S. bustamantei post-larvae are omnivorous and secondary consumers. These data provide pioneering information that can be used in management plans that still need to be developed.

ACS Style

Vânia Baptista; Ester Dias; Joana Cruz; Maria Branco; Sara Vieira; Maria Alexandra Teodósio. Feeding Ecology of Sicydium bustamantei (Greeff 1884, Gobiidae) Post-Larvae: The “Little Fish” of São Tomé Island. Oceans 2020, 1, 300 -310.

AMA Style

Vânia Baptista, Ester Dias, Joana Cruz, Maria Branco, Sara Vieira, Maria Alexandra Teodósio. Feeding Ecology of Sicydium bustamantei (Greeff 1884, Gobiidae) Post-Larvae: The “Little Fish” of São Tomé Island. Oceans. 2020; 1 (4):300-310.

Chicago/Turabian Style

Vânia Baptista; Ester Dias; Joana Cruz; Maria Branco; Sara Vieira; Maria Alexandra Teodósio. 2020. "Feeding Ecology of Sicydium bustamantei (Greeff 1884, Gobiidae) Post-Larvae: The “Little Fish” of São Tomé Island." Oceans 1, no. 4: 300-310.

Communication
Published: 28 May 2020 in Diversity
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The estuarine nudibranch Tenellia adspersa (Nordmann, 1845) was recorded for the first time in Portugal, while sampling for fouling fauna of artificial structures along the salinity gradient of the Guadiana estuary (SW Iberian Peninsula). Two specimens were found in association with the invasive hydrozoan Cordylophora caspia (Pallas, 1771) and kept in the laboratory for taxonomy purposes. After two days, batches of eggs were seen in C. caspia branches, while the nudibranchs were also actively feeding on the hydrozoan polyps. The fast generation times of T. adspersa, along with its food preference for C. caspia, might suggest a positive role of the nudibranch on controlling this invasive hydrozoan in the Guadiana estuary. Introduction routes and facilitation interactions are discussed.

ACS Style

João Encarnação; Thomas Seyer; Maria Alexandra Teodósio; Francisco Leitão. First Record of the Nudibranch Tenellia adspersa (Nordmann, 1845) in Portugal, Associated with the Invasive Hydrozoan Cordylophora caspia (Pallas, 1771). Diversity 2020, 12, 214 .

AMA Style

João Encarnação, Thomas Seyer, Maria Alexandra Teodósio, Francisco Leitão. First Record of the Nudibranch Tenellia adspersa (Nordmann, 1845) in Portugal, Associated with the Invasive Hydrozoan Cordylophora caspia (Pallas, 1771). Diversity. 2020; 12 (6):214.

Chicago/Turabian Style

João Encarnação; Thomas Seyer; Maria Alexandra Teodósio; Francisco Leitão. 2020. "First Record of the Nudibranch Tenellia adspersa (Nordmann, 1845) in Portugal, Associated with the Invasive Hydrozoan Cordylophora caspia (Pallas, 1771)." Diversity 12, no. 6: 214.

Journal article
Published: 16 March 2020 in Scientific Reports
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Nucleic acid-derived indices such as RNA/DNA ratios have been successfully applied as ecophysiological indicators to assess growth, nutritional condition and health status in marine organisms given that they provide a measure of tissue protein reserves, which is known to vary depending on changes in the environment. Yet, the use of these biochemical indices on highly mobile large predators is scarce. In this study, we tested the applicability of using nucleic acids to provide insights on the ecophysiological traits of two marine mammal species (common bottlenose dolphins and short-finned pilot whales) and explored potential related factors (species, sex, season, and residency pattern), using skin tissue (obtained from biopsy darts) of apparently healthy and adult free-ranging animals. Significantly higher RNA/DNA ratios were obtained for bottlenose dolphins (p < 0.001), and for visitor pilot whales when compared with resident pilot whales (p = 0.001). No significant changes were found between the sexes. Based on the percentile approach, the samples contain individuals in a general good condition (as the 10th percentile is not closer to the mean than the 75th percentile), suggesting that the studied region of Macaronesia may be considered an adequate habitat. The combination of this effective tool with genetic sexing and photographic-identification provided an overall picture of ecosystem health, and although with some limitations and still being a first approach, it has the applicability to be used in other top predators and ecosystems.

ACS Style

F. Alves; M. Dromby; Vânia Baptista; R. Ferreira; Ana Mafalda Tomás Correia; M. Weyn; Raul Valente; Elsa Froufe; Massimiliano Rosso; Isabel Sousa Pinto; Ana Dinis; Ester Dias; Maria Teodosio. Ecophysiological traits of highly mobile large marine predators inferred from nucleic acid derived indices. Scientific Reports 2020, 10, 4752 -10.

AMA Style

F. Alves, M. Dromby, Vânia Baptista, R. Ferreira, Ana Mafalda Tomás Correia, M. Weyn, Raul Valente, Elsa Froufe, Massimiliano Rosso, Isabel Sousa Pinto, Ana Dinis, Ester Dias, Maria Teodosio. Ecophysiological traits of highly mobile large marine predators inferred from nucleic acid derived indices. Scientific Reports. 2020; 10 (1):4752-10.

Chicago/Turabian Style

F. Alves; M. Dromby; Vânia Baptista; R. Ferreira; Ana Mafalda Tomás Correia; M. Weyn; Raul Valente; Elsa Froufe; Massimiliano Rosso; Isabel Sousa Pinto; Ana Dinis; Ester Dias; Maria Teodosio. 2020. "Ecophysiological traits of highly mobile large marine predators inferred from nucleic acid derived indices." Scientific Reports 10, no. 1: 4752-10.

Journal article
Published: 28 February 2020 in Water
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Citizen science activities, involving local people in volunteer-supported and sustainable monitoring programs, are common. In this context, the objective of the present work was to develop a simple Metric of Aquatic Invertebrates for Volunteers (MAIV), including a user-friendly tool that can be easily accessed by volunteers, and to evaluate the efficiency of a volunteer monitoring program following an audit procedure. To obtain MAIV values, macroinvertebrate communities were reduced to 18 surrogate taxa, which represented an acceptable compromise between simplicity, efficiency, and reproducibility of the data, compared to the regular Water Framework Directive monitoring. When compared to results obtained with the National Classification System of Portugal, MAIV accurately detected moderate, poor, and bad ecological status. Thus, MAIV can be used by volunteers as a complement to the official monitoring program, as well as a prospective early warning tool for local problems related to ecological quality. Volunteers were students supervised by their teachers. Results obtained by volunteers were compared to results obtained by experts on macroinvertebrate identification to measure the efficiency of the procedure, by counting gains and losses on sorting, and identification. Characteristics of groups of volunteers (age and school level) did not influence significantly the efficiency of the procedure, and generally results of volunteers and experts matched.

ACS Style

Paulo Pinto; José Max Barbosa Oliveira-Junior; Francisco Leitão Leitão; Maria M. Morais; Luis Chícharo; Paula Vaz; Sofia M. A. Delgado; Catherina Voreadou; Eduardo A. Morales; Maria Alexandra Teodósio. Development of a Metric of Aquatic Invertebrates for Volunteers (MAIV): A Simple and Friendly Biotic Metric to Assess Ecological Quality of Streams. Water 2020, 12, 654 .

AMA Style

Paulo Pinto, José Max Barbosa Oliveira-Junior, Francisco Leitão Leitão, Maria M. Morais, Luis Chícharo, Paula Vaz, Sofia M. A. Delgado, Catherina Voreadou, Eduardo A. Morales, Maria Alexandra Teodósio. Development of a Metric of Aquatic Invertebrates for Volunteers (MAIV): A Simple and Friendly Biotic Metric to Assess Ecological Quality of Streams. Water. 2020; 12 (3):654.

Chicago/Turabian Style

Paulo Pinto; José Max Barbosa Oliveira-Junior; Francisco Leitão Leitão; Maria M. Morais; Luis Chícharo; Paula Vaz; Sofia M. A. Delgado; Catherina Voreadou; Eduardo A. Morales; Maria Alexandra Teodósio. 2020. "Development of a Metric of Aquatic Invertebrates for Volunteers (MAIV): A Simple and Friendly Biotic Metric to Assess Ecological Quality of Streams." Water 12, no. 3: 654.

Journal article
Published: 12 December 2019 in Insects
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Since the relative role of local and regional abiotic factors on the Odonata diversity in rainforest streams is still poorly understood, we evaluated the effects of these factors on adult Odonata (Insecta) from preserved and altered streams in the Amazonian region. Adult Odonata were sampled in 98 streams in the Eastern Amazon, Pará, Brazil. Six variables were used to measure local environmental factors: habitat integrity index; mean canopy over the channel; and four physical and chemical descriptors of the water. To measure regional environmental factors, six variables were also used: altitude gradient, three bioclimatic variables and two percentage forest variables. In partial redundancy analysis, both abiotic factors (local and regional) were important to explain the variation in the Odonata community. The Odonata community can be influenced by regional and local factors. The relationship between Odonata and the local (e.g., integrity, canopy cover, and physical and chemical descriptors of the water) and regional (e.g., bioclimatic and forest cover variables) environmental variables recorded in this study has important implications for the use of these organisms to monitor small streams of the Eastern Amazon. The scale at which habitat is measured is an important issue in community structuring studies considering the rapid environmental changes. It is of great importance to consider the different scales in studies assessing community structure, once an adequate habitat must meet the ecological needs of all stages of the life of the Odonata.

ACS Style

José Max Barbosa Oliveira-Junior; Karina Dias-Silva; Maria Alexandra Teodósio; Leandro Juen. The Response of Neotropical Dragonflies (Insecta: Odonata) to Local and Regional Abiotic Factors in Small Streams of the Amazon. Insects 2019, 10, 446 .

AMA Style

José Max Barbosa Oliveira-Junior, Karina Dias-Silva, Maria Alexandra Teodósio, Leandro Juen. The Response of Neotropical Dragonflies (Insecta: Odonata) to Local and Regional Abiotic Factors in Small Streams of the Amazon. Insects. 2019; 10 (12):446.

Chicago/Turabian Style

José Max Barbosa Oliveira-Junior; Karina Dias-Silva; Maria Alexandra Teodósio; Leandro Juen. 2019. "The Response of Neotropical Dragonflies (Insecta: Odonata) to Local and Regional Abiotic Factors in Small Streams of the Amazon." Insects 10, no. 12: 446.

Journal article
Published: 01 October 2019 in Diversity
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The Sense Acuity and Behavioral (SAAB) Hypothesis proposes that the swimming capabilities and sensorial acuity of temperate fish larvae allows them to find and swim towards coastal nursery areas, which are crucial for their recruitment. To gather further evidence to support this theory, it is necessary to understand how horizontal swimming capability varies along fish larvae ontogeny. Therefore, we studied the swimming capability of white seabream Diplodus sargus (Linnaeus, 1758) larvae along ontogeny, and their relationship with physiological condition. Thus, critical swimming speed (Ucrit) and the distance swam (km) during endurance tests were determined for fish larvae from 15 to 55 days post-hatching (DPH), and their physiological condition (RNA, DNA and protein contents) was assessed. The critical swimming speed of white seabream larvae increased along ontogeny from 1.1 cm s−1 (15 DPH) to 23 cm s−1 (50 and 55 DPH), and the distance swam by larvae in the endurance experiments increased from 0.01 km (15 DPH) to 86.5 km (45 DPH). This finding supports one of the premises of the SAAB hypothesis, which proposes that fish larvae can influence their transport and distribution in coastal areas due to their swimming capabilities. The relationship between larvae’s physiological condition and swimming capabilities were not evident in this study. Overall, this study provides critical information for understanding the link between population dynamics and connectivity with the management and conservation of fish stocks.

ACS Style

Vânia Baptista; Pedro Morais; Joana Cruz; Sara Castanho; Laura Ribeiro; Pedro Pousão-Ferreira; Francisco Leitão; Eric Wolanski; Maria Alexandra Teodósio. Swimming Abilities of Temperate Pelagic Fish Larvae Prove that they May Control their Dispersion in Coastal Areas. Diversity 2019, 11, 185 .

AMA Style

Vânia Baptista, Pedro Morais, Joana Cruz, Sara Castanho, Laura Ribeiro, Pedro Pousão-Ferreira, Francisco Leitão, Eric Wolanski, Maria Alexandra Teodósio. Swimming Abilities of Temperate Pelagic Fish Larvae Prove that they May Control their Dispersion in Coastal Areas. Diversity. 2019; 11 (10):185.

Chicago/Turabian Style

Vânia Baptista; Pedro Morais; Joana Cruz; Sara Castanho; Laura Ribeiro; Pedro Pousão-Ferreira; Francisco Leitão; Eric Wolanski; Maria Alexandra Teodósio. 2019. "Swimming Abilities of Temperate Pelagic Fish Larvae Prove that they May Control their Dispersion in Coastal Areas." Diversity 11, no. 10: 185.

Article
Published: 30 July 2019 in Thalassas: An International Journal of Marine Sciences
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The present study reports six new and consecutive records of the Atlantic blue crab (Callinectes sapidus Rathbun, 1896) in the southern coast of Portugal. Specimens were caught during less than two months (22nd November 2018 – 18th January 2019) as bycatch of trammel nets operated by small-scale fishing boats in scattered locations along the Algarve coast and in the Ria Formosa lagoon. Four adult males (221–236 mm carapace width) and two adult females (191–207 mm carapace width) were caught at relatively shallow depths (1–6 m), on muddy and sandy bottoms in the Ria Formosa lagoon and in the Algarve coast. Morphometric parameters of the specimens are compiled and the respective occurrences are mapped for biogeographic purposes. These first three occurrences in the Algarve coast and the second, third and fourth records in the Ria Formosa lagoon, further supported by additional anecdotal evidences and recent sales at the wholesale market, reveal a rapid westward expansion and confirm the establishment of C. sapidus along the southern coast of Portugal. Possible sources of introduction and causes for the distributional expansion are evaluated. The potential impacts of this invasive species on local ecosystems and fishing/harvesting resources are discussed.

ACS Style

Paulo Vasconcelos; André N. Carvalho; David Piló; Fábio Pereira; João Encarnação; Miguel B. Gaspar; Maria Alexandra Teodósio. Recent and Consecutive Records of the Atlantic Blue Crab (Callinectes sapidus Rathbun, 1896): Rapid Westward Expansion and Confirmed Establishment along the Southern Coast of Portugal. Thalassas: An International Journal of Marine Sciences 2019, 35, 485 -494.

AMA Style

Paulo Vasconcelos, André N. Carvalho, David Piló, Fábio Pereira, João Encarnação, Miguel B. Gaspar, Maria Alexandra Teodósio. Recent and Consecutive Records of the Atlantic Blue Crab (Callinectes sapidus Rathbun, 1896): Rapid Westward Expansion and Confirmed Establishment along the Southern Coast of Portugal. Thalassas: An International Journal of Marine Sciences. 2019; 35 (2):485-494.

Chicago/Turabian Style

Paulo Vasconcelos; André N. Carvalho; David Piló; Fábio Pereira; João Encarnação; Miguel B. Gaspar; Maria Alexandra Teodósio. 2019. "Recent and Consecutive Records of the Atlantic Blue Crab (Callinectes sapidus Rathbun, 1896): Rapid Westward Expansion and Confirmed Establishment along the Southern Coast of Portugal." Thalassas: An International Journal of Marine Sciences 35, no. 2: 485-494.

Journal article
Published: 20 June 2019 in Water
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Coastal upwelling has a significant local impact on marine coastal environment and on marine biology, namely fisheries. This study aims to evaluate climate and environmental changes in upwelling trends between 1950 and 2010. Annual, seasonal and monthly upwelling trends were studied in three different oceanographic areas of the Portuguese coast (northwestern—NW, southwestern—SW, and south—S). Two sea surface temperature datasets, remote sensing (RS: 1985–2009) and International Comprehensive Ocean—Atmosphere Data Set (ICOADS: 1950–2010), were used to estimate an upwelling index (UPWI) based on the difference between offshore and coastal sea surface temperature. Time series analyses reveal similar yearly and monthly trends between datasets A decrease of the UPWI was observed, extending longer than 20 years in the NW (1956–1979) and SW (1956–1994), and 30 years in the S (1956–1994). Analyses of sudden shifts reveal long term weakening and intensification periods of up to 30 years. This means that in the past 60 years a normal climate UPWI occurred along the Portuguese coast. An intensification of UPWI was recorded in recent decades regardless of the areas (RS: 1985–2009). Such an intensification rate (linear increase in UPWI) is only significant in S in recent decades (increase rate: ICOADS = 0.02 °C decade-1; RS = 0.11 °C decade-1) while in NW and SW the increase rate is meaningless. In NW more stable UPWI conditions were recorded, however average UPWI values increased in autumn and winter in NW in recently decades (RS: 1985–2009). An intensification rate of UPWI was recorded during summer (July, August and September) in SW and S in latter decades (RS: 1985–2009). The average UPWI values increased in recent decades in autumn in S. Marked phenological changes were observed in S in summer (before downwelling conditions prevail whilst recently when UPWI regimes prevail) with UPWI seasonal regime in S in recent decades becoming similar to those found in SW and NW. Results of this work can contribute to a better understanding of how upwelling dynamics affect/are correlated with biological data.

ACS Style

Francisco Leitão; Vânia Baptista; Vasco Vieira; Patrícia Laginha Silva; Paulo Relvas; Maria Alexandra Teodósio. A 60-Year Time Series Analyses of the Upwelling along the Portuguese Coast. Water 2019, 11, 1285 .

AMA Style

Francisco Leitão, Vânia Baptista, Vasco Vieira, Patrícia Laginha Silva, Paulo Relvas, Maria Alexandra Teodósio. A 60-Year Time Series Analyses of the Upwelling along the Portuguese Coast. Water. 2019; 11 (6):1285.

Chicago/Turabian Style

Francisco Leitão; Vânia Baptista; Vasco Vieira; Patrícia Laginha Silva; Paulo Relvas; Maria Alexandra Teodósio. 2019. "A 60-Year Time Series Analyses of the Upwelling along the Portuguese Coast." Water 11, no. 6: 1285.

Communication
Published: 27 March 2019 in Diversity
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Climate change and the overall increase of seawater temperature are causing a poleward shift in species distribution, which includes a phenomenon described as the tropicalization of temperate regions. This work aims to report the first records of four species off the southwestern Iberian Peninsula, namely, the oceanic puffer Lagocephalus lagocephalus (Linnaeus, 1758), the Madeira rockfish Scorpaena maderensis Valenciennes, 1833, the ornate wrasse Thalassoma pavo (Linnaeus, 1758), and the bearded fireworm Hermodice carunculata (Pallas, 1766). These last three species, along with other occurrences of aquatic fauna and flora along the Portuguese coast, reveal an ongoing process of poleward expansion of several species, which urgently necessitates a comprehensive survey along the entire Iberian Peninsula. The putative origins of these subtropical and tropical species off continental Portugal are discussed, as well as the potential public health problems that two of the four reported species may cause.

ACS Style

João Encarnação; Pedro Morais; Vânia Baptista; Joana Cruz; Maria Alexandra Teodósio. New Evidence of Marine Fauna Tropicalization off the Southwestern Iberian Peninsula (Southwest Europe). Diversity 2019, 11, 48 .

AMA Style

João Encarnação, Pedro Morais, Vânia Baptista, Joana Cruz, Maria Alexandra Teodósio. New Evidence of Marine Fauna Tropicalization off the Southwestern Iberian Peninsula (Southwest Europe). Diversity. 2019; 11 (4):48.

Chicago/Turabian Style

João Encarnação; Pedro Morais; Vânia Baptista; Joana Cruz; Maria Alexandra Teodósio. 2019. "New Evidence of Marine Fauna Tropicalization off the Southwestern Iberian Peninsula (Southwest Europe)." Diversity 11, no. 4: 48.

Journal article
Published: 15 October 2018 in J
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Monthly length-frequency data, from 2009 to 2014, was used to estimate the growth parameters, mortality, and spawning season, and to assess the exploitation status of Thryssa vitrirostris (Engraulidae) fisheries in Pebane. The von Bertalanffy asymptotic length (L∞) and growth rate (K) were 25.1 cm (standard length) and 0.41 per year (standard length), respectively. Two proxy recruitment peaks were found: the first peak of recruitment occurs from April to July, and the second recruitment peak from September to October. The total estimated mortality rates (Z), natural mortality (M), and fishing mortality (F) were Z = 1.31, M = 0.92, and F = 0.39. For the beach seine gear, the size at first catch of T. vitrirostris was Lc25 = 4.43 cm. The 50% retention size of the catch was Lc50 = 5.39 cm. The retention probability analyses revealed a large rate of juvenile fishing mortality (54.2%). The estimated exploitation rate (0.30) was below the maximum exploitation rate (0.48), and above the optimal sustainable exploitation rate (E50 = 0.28), evidencing a sustainable fishery. However, under such an exploitation regime, it is advised that a continuously monitoring-survey of T. vitrirostris is maintained. An increase in migration of fishermen has been recently recorded in Pebane, due to its rich fisheries, which can increase the fishing effort and the risk of overexploitation if management measures (such as mesh size increase) are not taken in advance.

ACS Style

Bonifácio Manuessa; Eurico Morais; Teresa Cerveira Borges; Maria Alexandra Teodósio; Francisco Leitão. First Assessment of the Thryssa vitrirostris (Engraulidae) Beach Seine Fishery in Northeastern Mozambique. J 2018, 1, 116 -132.

AMA Style

Bonifácio Manuessa, Eurico Morais, Teresa Cerveira Borges, Maria Alexandra Teodósio, Francisco Leitão. First Assessment of the Thryssa vitrirostris (Engraulidae) Beach Seine Fishery in Northeastern Mozambique. J. 2018; 1 (1):116-132.

Chicago/Turabian Style

Bonifácio Manuessa; Eurico Morais; Teresa Cerveira Borges; Maria Alexandra Teodósio; Francisco Leitão. 2018. "First Assessment of the Thryssa vitrirostris (Engraulidae) Beach Seine Fishery in Northeastern Mozambique." J 1, no. 1: 116-132.

Original paper
Published: 07 April 2018 in Theoretical and Applied Climatology
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Wind is a marine coastal factor that is little understood but has a strong interaction with biological productivity. In this study, northerly wind trends in three regions of the Portuguese coast (Northwestern: NW, Southwestern: SW, and Southern: S) were analyzed. Two datasets with long-term (ICOADS: 1960–2010) and short-term data (Satellite: 1989–2010) were used to complement one another. The study revealed the northerly wind yearly data to be non-stationary and highly variable between years. Overall, the northerly wind intensity increased throughout the 1960s regardless of the area and dataset. Between 1960 and 2010, the northerly wind increased at a linear rate of 0.24, 0.09, and 0.15 m s-1 per decade in the NW, SW, and S coastal regions, respectively. The rate was higher in recent decades (1988–2009), with the wind intensity increasing by 0.4, 0.3, and 0.3 ms-1 per decade in the NW, SW, and S regions, respectively. Analyses of the sudden shifts showed significant increases in northerly wind intensities after 2003, 2004, and 1998 in the NW, SW, and S coast, respectively. Exceptions were found for autumn (September for short-term data), when a decrease in northerly winds was observed in recent decades, regardless of the area, and for summer, when no changes in wind trends were recorded in the NW and SW. The long-term data also showed a major increase in northerly winds in winter (January and February), which is the recruitment season for many small and medium-sized pelagic fish. The increase in the intensity of the northerly winds over the past two decades and the past half-century occurred at a higher rate than was estimated by the IPCC for the next century.

ACS Style

Francisco Leitão; Paulo Relvas; Fernando Cánovas; Vânia Baptista; Alexandra Teodósio. Northerly wind trends along the Portuguese marine coast since 1950. Theoretical and Applied Climatology 2018, 137, 1 -19.

AMA Style

Francisco Leitão, Paulo Relvas, Fernando Cánovas, Vânia Baptista, Alexandra Teodósio. Northerly wind trends along the Portuguese marine coast since 1950. Theoretical and Applied Climatology. 2018; 137 (1-2):1-19.

Chicago/Turabian Style

Francisco Leitão; Paulo Relvas; Fernando Cánovas; Vânia Baptista; Alexandra Teodósio. 2018. "Northerly wind trends along the Portuguese marine coast since 1950." Theoretical and Applied Climatology 137, no. 1-2: 1-19.

Journal article
Published: 19 March 2018 in Marine Ecology Progress Series
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K Amorim; Rm Mattmüller; María Algueró-Muñiz; Cl Meunier; M Boersma; Ma Teodósio; S Álvarez-Fernández; P Morais. Winter river discharge may affect summer estuarine jellyfish blooms. Marine Ecology Progress Series 2018, 591, 253 -265.

AMA Style

K Amorim, Rm Mattmüller, María Algueró-Muñiz, Cl Meunier, M Boersma, Ma Teodósio, S Álvarez-Fernández, P Morais. Winter river discharge may affect summer estuarine jellyfish blooms. Marine Ecology Progress Series. 2018; 591 ():253-265.

Chicago/Turabian Style

K Amorim; Rm Mattmüller; María Algueró-Muñiz; Cl Meunier; M Boersma; Ma Teodósio; S Álvarez-Fernández; P Morais. 2018. "Winter river discharge may affect summer estuarine jellyfish blooms." Marine Ecology Progress Series 591, no. : 253-265.

Journal article
Published: 23 February 2018 in Marine Environmental Research
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This study evaluated the impacts of submarine groundwater discharges (SGD) on a rocky intertidal community of South Portugal, during April–November 2011. Chlorophyll-a concentration was higher at the SGD site in respect to the Reference site. Epibenthic community structure differed between sites, with an increase in Chthamalus spp. and a decrease in macroalgae coverage at the SGD site. The abundance and body size of Mytilus galloprovincialis were consistently higher at the SGD site. During mid-spring, under potentially higher SGD and less favorable conditions for coastal phytoplankton, the ecophysiological condition of M. galloprovincialis and G. umbilicalis was also higher at the SGD site. These beneficial effects on filter-feeders and herbivores probably resulted from local increases in prey availability, supported by SGD-driven nutrient inputs. Conversely, P. depressa was not favoured by SGD, probably due to a lower dependency on algae as food. The analysis of epibenthic community structure and ecophysiological condition represents a promising approach to disentangle the ecological impacts of SGD on intertidal ecosystems.

ACS Style

D. Piló; A.B. Barbosa; M.A. Teodósio; J. Encarnação; F. Leitão; P. Range; Lilian Krug; J. Cruz; L. Chícharo. Are submarine groundwater discharges affecting the structure and physiological status of rocky intertidal communities? Marine Environmental Research 2018, 136, 158 -173.

AMA Style

D. Piló, A.B. Barbosa, M.A. Teodósio, J. Encarnação, F. Leitão, P. Range, Lilian Krug, J. Cruz, L. Chícharo. Are submarine groundwater discharges affecting the structure and physiological status of rocky intertidal communities? Marine Environmental Research. 2018; 136 ():158-173.

Chicago/Turabian Style

D. Piló; A.B. Barbosa; M.A. Teodósio; J. Encarnação; F. Leitão; P. Range; Lilian Krug; J. Cruz; L. Chícharo. 2018. "Are submarine groundwater discharges affecting the structure and physiological status of rocky intertidal communities?" Marine Environmental Research 136, no. : 158-173.

Communication
Published: 17 October 2017 in Diversity
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New information on weakfish introduction vectors, its invasive status, distribution, and use as a fishing resource arose after the publication of “The transatlantic introduction of weakfish Cynoscion regalis (Bloch & Schneider, 1801) (Sciaenidae, Pisces) into Europe” by Morais and Teodósio (2016). Currently, the first known report of weakfish in Europe dates back to September 2009, with a specimen captured in the Schelde estuary (Belgium/The Netherlands). This fact suggests that weakfish could have been introduced into Europe via multiple and independent ballast water introduction events, and not through a point-source introduction event with subsequent dispersion as previously hypothesized. It is also unlikely that Schelde weakfish migrated southwards to colonize Iberian aquatic ecosystems. Weakfish have established a population in the Gulf of Cádiz region and have already reached an invasive status in the Sado estuary (Portugal). Weakfish were also captured in several other locations along the Portuguese coast, including the Tagus and Mira estuaries at least since 2013 or 2014, and the Ria Formosa lagoon in 2017. Tagus anglers caught weakfish specimens of ~1 kg and ~40 cm in November 2016, which corresponds to fish of 3+ years of age in the native range. The presence of weakfish in the Tagus estuary is still fairly unknown to local anglers. Sado weakfish has already been sold in local fish markets in southern Portugal for 3 to 10 € kg−1. However, we consider that the weakfish sale price is underrated in comparison with other wild species (e.g., meagre, seabass, gilthead seabream). Increasing sale price will convince fishers to use weakfish as a new fishing resource; however, it is necessary to promote the species among consumers and evaluate consumers’ preference in respect to other species. A putative biological threat might turn into a new valuable fishing resource by implementing adequate management solutions.

ACS Style

Pedro Morais; Inês Cerveira; Maria Alexandra Teodósio. An Update on the Invasion of Weakfish Cynoscion regalis (Bloch & Schneider, 1801) (Actinopterygii: Sciaenidae) into Europe. Diversity 2017, 9, 47 .

AMA Style

Pedro Morais, Inês Cerveira, Maria Alexandra Teodósio. An Update on the Invasion of Weakfish Cynoscion regalis (Bloch & Schneider, 1801) (Actinopterygii: Sciaenidae) into Europe. Diversity. 2017; 9 (4):47.

Chicago/Turabian Style

Pedro Morais; Inês Cerveira; Maria Alexandra Teodósio. 2017. "An Update on the Invasion of Weakfish Cynoscion regalis (Bloch & Schneider, 1801) (Actinopterygii: Sciaenidae) into Europe." Diversity 9, no. 4: 47.

Original research article
Published: 13 October 2017 in Frontiers in Marine Science
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Temperate marine fish larvae use a series of environmental cues (e.g., olfactory, hearing, visual) to mediate the selection of nursery habitats. However, habitat selection may vary according to individuals’ physiological condition. Therefore, this study aimed to determine the ability of gilthead seabream (Sparus aurata L., 1758) larvae to utilize natural odor cues to locate nursery habitats along ontogeny and to examine how it varies with individual’s physiological condition. The hypothesis being tested is that Sparus aurata larvae prefer coastal rocky reefs as nursery areas, but they might use coastal lagoons as nursery grounds – ecosystems known for their productivity – if under starvation conditions, as a compensatory mechanism to avoid slow growth or even death. A choice-chamber experiment was used to investigate the behavioral responses of satiated and starved laboratory-reared Sparus aurata larvae, along ontogeny (pre-flexion, flexion, post-flexion), to water collected in a coastal artificial rocky reef and a coastal lagoon. The physiological condition of Sparus aurata larvae was determined by analyzing several biochemical condition indices. Complementarily, a new set of four preference indexes were developed – Choice-Chamber Preference Indexes – and discussed to provide a clear measure of the behavioral changes of a species along ontogeny by balancing all the behavioral choices made during the experimental trials, including the unresponsive behavior. A developmental threshold was identified at 24 days post-hatching, before which insufficient swimming capability disabled responsive behavior. Beyond this threshold, post-flexion larvae preferred rocky coastal water over lagoon water, even if under starvation conditions or poor physiological condition, despite the fact that the unresponsive behavior was largely predominant. Sparus aurata larvae displayed a cautionary behavioral strategy, so the compensatory mechanisms to ensure metapopulation stability and resilience have to rely on their feeding plasticity and on being a batch-spawning species (i.e., diversified bet-hedging strategy) to compensate the lack of apparent behavioral plasticity.

ACS Style

Pedro Morais; María P. Parra; Vânia Baptista; Laura Ribeiro; Pedro Pousão-Ferreira; Maria A. Teodósio. Response of Gilthead Seabream (Sparus aurata L., 1758) Larvae to Nursery Odor Cues as Described by a New Set of Behavioral Indexes. Frontiers in Marine Science 2017, 4, 1 .

AMA Style

Pedro Morais, María P. Parra, Vânia Baptista, Laura Ribeiro, Pedro Pousão-Ferreira, Maria A. Teodósio. Response of Gilthead Seabream (Sparus aurata L., 1758) Larvae to Nursery Odor Cues as Described by a New Set of Behavioral Indexes. Frontiers in Marine Science. 2017; 4 ():1.

Chicago/Turabian Style

Pedro Morais; María P. Parra; Vânia Baptista; Laura Ribeiro; Pedro Pousão-Ferreira; Maria A. Teodósio. 2017. "Response of Gilthead Seabream (Sparus aurata L., 1758) Larvae to Nursery Odor Cues as Described by a New Set of Behavioral Indexes." Frontiers in Marine Science 4, no. : 1.

Journal article
Published: 04 October 2017 in Journal Of Plankton Research
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Jellyfish modulate the energy fluxes between compartments of aquatic ecosystems and the period that energy remains within each compartment. However, the contribution of different sources of organic matter (OM) to the production of most estuarine jellyfish species is unknown. Therefore, this study aimed to identify and quantify the putative sources of OM for Blackfordia virginica (Cnidaria, Hydrozoa) Mayer, 1910 in two temperate estuaries, based on the analyses of carbon and nitrogen stable isotope ratios. Zooplankton was the main source of OM assimilated by B. virginica in both Mira and Guadiana estuaries. However, particulate organic matter (POM) also contributed to B. virginica biomass, up to 26 and 37% in Mira and Guadiana estuaries, respectively. The POM pool was apparently comprised by terrestrial-derived OM, as based on stable isotope ratios and C:NPOM. Terrestrial-derived OM is an undescribed carbon source for estuarine jellyfish. Our results support a working hypothesis stating that terrestrial-derived OM might support good physiological condition of B. virginica during periods of low metazooplankton abundance, through a detritus-based microbial food web transformation. Subsequent studies on trophic pathways ought to evaluate the temporal contribution of autochthonous and allochthonous OM and its consequences, accounting for the connectivity across ecosystems (terrestrial-estuarine-marine) and the interactions within compartments (pelagic-benthic).

ACS Style

Pedro Morais; Ester Dias; Joana Cruz; Paula Chainho; Maria Manuel Angélico; José Lino Costa; Ana Barbosa; Maria Teodosio. Allochthonous-derived organic matter subsidizes the food sources of estuarine jellyfish. Journal Of Plankton Research 2017, 39, 870 -877.

AMA Style

Pedro Morais, Ester Dias, Joana Cruz, Paula Chainho, Maria Manuel Angélico, José Lino Costa, Ana Barbosa, Maria Teodosio. Allochthonous-derived organic matter subsidizes the food sources of estuarine jellyfish. Journal Of Plankton Research. 2017; 39 (6):870-877.

Chicago/Turabian Style

Pedro Morais; Ester Dias; Joana Cruz; Paula Chainho; Maria Manuel Angélico; José Lino Costa; Ana Barbosa; Maria Teodosio. 2017. "Allochthonous-derived organic matter subsidizes the food sources of estuarine jellyfish." Journal Of Plankton Research 39, no. 6: 870-877.

Journal article
Published: 01 October 2017 in Estuarine, Coastal and Shelf Science
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Filipa Marques; Maria Manuel Angélico; José Lino Costa; Maria Teodosio; Patrícia Presado; António Fernandes; Paula Chainho; Isabel Domingos. Ecological aspects and potential impacts of the non-native hydromedusa Blackfordia virginica in a temperate estuary. Estuarine, Coastal and Shelf Science 2017, 197, 69 -79.

AMA Style

Filipa Marques, Maria Manuel Angélico, José Lino Costa, Maria Teodosio, Patrícia Presado, António Fernandes, Paula Chainho, Isabel Domingos. Ecological aspects and potential impacts of the non-native hydromedusa Blackfordia virginica in a temperate estuary. Estuarine, Coastal and Shelf Science. 2017; 197 ():69-79.

Chicago/Turabian Style

Filipa Marques; Maria Manuel Angélico; José Lino Costa; Maria Teodosio; Patrícia Presado; António Fernandes; Paula Chainho; Isabel Domingos. 2017. "Ecological aspects and potential impacts of the non-native hydromedusa Blackfordia virginica in a temperate estuary." Estuarine, Coastal and Shelf Science 197, no. : 69-79.

Preprint
Published: 13 September 2017
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This work updates the characterization of winter fish communities in salt marsh areas of Guadiana estuary (SE-Portugal) and discusses the potential risks of habitat dominance by a non-indigenous species (NIS). To this effect, six field campaigns were carried out during winter season targeting the collection of fish species. Individuals from seven different families (marine and estuarine) were collected although the community was dominated by two estuarine species – the native Pomatoschistus sp. (goby) and the NIS Fundulus heteroclitus (mummichog).  Goby controlled the majority of salt marsh habitats, except one specific, marsh pool, where extreme environmental conditions were registered, namely high temperature and salinity. Such conditions may have boosted the intrusion of mummichog in this area. This species is well adapted to a wide range of abiotic factors enabling them to colonize habitats where no predators inhabit. Impacts of mummichog intrusion in the Guadiana salt marsh area are still unpredictable since this is the first recorded in such high density. Nevertheless, in scenarios of increased anthropogenic pressure and, consequently, habitat degradation, there is a potential risk of mummichog spread to other habitats and therefore compete for space and food resources with native species.

ACS Style

Renata Gonçalves; Joana Cruz; Radhouan Ben-Hamadou; Maria Alexandra Teodósio; Ana Dulce Correia; Luís Chícharo. Is Fundulus heteroclitus Intrusion Depleting Winter Marsh Pools of Native Fish Species? 2017, 1 .

AMA Style

Renata Gonçalves, Joana Cruz, Radhouan Ben-Hamadou, Maria Alexandra Teodósio, Ana Dulce Correia, Luís Chícharo. Is Fundulus heteroclitus Intrusion Depleting Winter Marsh Pools of Native Fish Species? . 2017; ():1.

Chicago/Turabian Style

Renata Gonçalves; Joana Cruz; Radhouan Ben-Hamadou; Maria Alexandra Teodósio; Ana Dulce Correia; Luís Chícharo. 2017. "Is Fundulus heteroclitus Intrusion Depleting Winter Marsh Pools of Native Fish Species?" , no. : 1.