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Research articles

2022

*-  Heredia, F. M., Sosa Drouville, A., Srur, A. M., Crespo, E. A., & Grandi, M. F. 2022. Climate anomalies influence tooth growth patterns of South American sea lion. Marine Mammal Science. ISO 690.

*-  Romero, M. A., Coscarella, M. A., Adams, G. D., Pedraza, J. C., González, R. A., & Crespo, E. A. 2022. Historical reconstruction of the population dynamics of southern right whales in the southwestern Atlantic Ocean. Scientific reports, 12(1), 1-17.

*-  Grandi M.F., Heredia F., Sosa Drouville A., Dellabianca N., Crespo E. A. 2022. Body growth and reproductive parameters of common dolphins from the Southwestern Atlantic. Marine Mammal Science.

*-  Abba A.M., Varela D., Cirignoli S., Pereira J.A., Bolkovic M.L., Peker S., Porini G., de Bustos S., Degrati M., Denuncio M., Díaz M.M., Gómez Villafañe I.E., Grandi M.F., Kowalewski M., Loizaga R., Martin G., Mora M., Negrete J., Nieves M., Ojeda A., Palacios R., Paviolo A., Sanchez M., Superina M., Teta P., Guichón M.L., Valenzuela A.E.J., Tognelli M.F. & Ojeda R. 2022. CATEGORIZACIÓN DE LOS MAMÍFEROS DE ARGENTINA 2019: RESUMEN Y ANÁLISIS DE LAS AMENAZAS. Mastozoología Neotropical.

2021

*- González, R., Durante, C., Arcagni, M., Juncos, R., Seco Pon, J., Crespo, E., & Narvarte, M. (2021). Effects of Pollution in Aquatic Food Chains. In Anthropogenic Pollution of Aquatic Ecosystems (pp. 61-89). Springer, Cham.

*- Durante, C.A., E.A. Crespo & R. Loizaga. 2021. Isotopic niche partitioning between two small cetacean species. Marine Ecology Progress Series.

*- Hernández-Orts JS, Hernández-Mena DI, Pantoja C, Kuchta R, García NA, Crespo EA & Loizaga R. 2021. A Visitor of Tropical Waters: First Record of a Clymene Dolphin (Stenella clymene) Off the Patagonian Coast of Argentina, With Comments on Diet and Metazoan Parasites. Aceptado en: Frontiers in Marine Science.

*- Hernández‐Orts, J. S., Scholz, T., Loizaga, R., García, N. A., Crespo, E. A., & Kuchta, R. 2021. Marine fish imported from Argentina as source of human diphyllobothriosis in Europe? Ecological evidence from dolphins. Aceptado en: Zoonoses and Public Health.

*- Luzenti, E. A., Svendsen, G. M., Degrati, M., Curcio, N. S., González, R. A., & Dans, S. L. 2021. Physical and biological drivers of pelagic fish distribution at high spatial resolution in two Patagonian Gulfs. Aceptado en: Fisheries Oceanography.

*- Sosa Drouville, A., Paschetta, C., Crespo, E. A., & Grandi, M. F.2021. Do changes in skull size of South American sea lions reflect changes in population density?. Marine Mammal Science.

*- García-Varela, M., Masper, A., Crespo, E. A., & Hernández-Orts, J. S. 2021. Genetic diversity and phylogeography of Corynosoma australe Johnston, 1937 (Acanthocephala: Polymorphidae), an endoparasite of otariids from the Americas in the northern and southern hemispheres. Parasitology International, 80, 102205.

*- Drago, M., Cardona, L., Franco-Trecu, V., Riet-Sapriza, F. G., Crespo, E. A., García, N., & Inchausti, P. 2021. Relationship between the female attendance pattern and pup growth rate in the South American sea lion (Carnivora). Aceptado en: Scientia Marina, 85(2), 81-90.

*- Crespo E.A. 2021. Exploitation and Recovery of the South American Sea Lion in the Southwestern Atlantic. In: Campagna C., Harcourt R. (eds) Ethology and Behavioral Ecology of Otariids and the Odobenid. Ethology and Behavioral Ecology of Marine Mammals. Springer, Cham.

*- Grandi M. F., García N. A. & Crespo E. A. 2021. Recomendaciones metodológicas para los censos de lobos marinos comunes, Otaria flavescens. Ecología Austral 31:532-545.

*-  Heredia F. M., Sosa Drouville A., Srur A. M., Crespo E. A. & Grandi M. F. 2021. The influence of climate anomalies on tooth growing patterns of South American sea lion. Marine Mammal Science 1-15.

*-  Grandi M.F., Vales D.G., Crespo E.A. & Loizaga R. 2021. Variation in trophic resources in female South American sea lions at a small geographic scale. Marine Mammal Science 37:314-327.

 

2020

*- Lopes, F., Oliveira, L. R., Kessler, A., Beux, Y., Crespo, E., Cárdenas-Alayza, S., Majluf, P., ... & Bonatto, S. L. 2020. Phylogenomic Discordance in the Eared Seals is best explained by Incomplete Lineage  Sorting following Explosive Radiation in the Southern Hemisphere. Aceptado en: Systematic Biology.

*- Procksch, N., Grandi, M. F., Ott, P. H., Groch, K., Flores, P. A., Zagonel, M., ... & de Oliveira, L. R. 2020. The northernmost haulout site of South American sea lions and fur seals in the western South Atlantic. Aceptado en: Scientific reports, 10(1), 1-15.

*- de Oliveira, L. R., Pont, A. C., Machado, R., Engel, M. T., Ott, P. H., Crespo, E. A., & Marchini, S. 2020. Assessing the economic impact caused by South American sea lions based on onboard check versus fishermen's perception: The two sides of the same coin. Aceptado en: Marine Policy, 121, 104193.

*- Arias, M., R. González, E.A. Crespo & M. Coscarella. 2020. Abiding by the regulations changes through time in a population increase context: Whale watching on Southern Right Whale (Eubalaena australis) in San Antonio Bay, Río Negro, Argentina. Aceptado en: Marine Policy.

*- Degrati, M., R. Loizaga, M. A. Coscarella, N. Sueyro, E. A. Crespo & S. L. Dans. Integrating multiple techniques to estimate population size of an impacted dusky dolphin’s population in Patagonia, Argentina. Aceptado en: Frontiers in Marine Science.

*- Loizaga, R., M.F. Grandi, H. Cunha & E.A. Crespo. 2020. New genetic diversity for endangered bottlenose dolphin subspecies along Argentina coast. Aceptado en: Mammalia. DOI 10.1515/mammalia-2019-0149.

*- Milano, V.N., Grandi, M.F., Schiavini, A.C.M., Crespo, E.A. Sea lions (Otaria flavescens) from the end of the world: insights of a recovery. Polar Biology. https://doi.org/10.1007/s00300-020-02672-9

*- Milano, V.N., M.F. Grandi, A.C.M. Schiavini & E.A. Crespo. 2020. Recovery of South American Fur Seals from Fuegian Archipelago (Argentina). Marine Mammal Science. DOI: 10.1111/mms.12686.

*- Chalcobsky, A., E.A. Crespo & M.A. Coscarella. 2020. Short-term effects of whale watching boats on the movement patterns of southern right whales in Península Valdés, Patagonia, Argentina. Marine Environmental Research.

*- Vales D.G., L. Cardona, R. Loizaga, N.A. García & E.A. Crespo. 2020. Long-Term Stability in the Trophic Ecology of a Pelagic Forager Living in a Changing Marine Ecosystem. Front. Mar. Sci. 7:87. doi: 10.3389/fmars.2020.00087

*- Durante, C.A., R. Loizaga, H. Cunha & E.A. Crespo. 2020. Coming back to light: first insight into gene diversity of Peale´S dolphins at a Patagonian MPA. Marine Mammal Science 1–9. https: DOI: 10.1111/mms.12671

*- Bas, M., N.A. García, E.A. Crespo & L. Cardona. 2020. Intra-skeletal variability of stable isotope ratios of C and N in pinnipeds and cetaceans. Mar Mam Sci. 36:375–385. https://doi.org/10. 1111/mms.12644

*- Durante, C.A., B.M. Moura Reis, A. Azevedo, E.A. Crespo, J. Lailson-Brito. 2020. Trace elements in trophic webs from South Atlantic: the use of cetaceans as sentinels. Marine Pollution Bulletin: 150.

*- Loizaga, R., C.A. Durante & M. Degrati. (2020). Lejos de casa: nuevo registro para delfines comunes de pico corto, Delphinus delphis (Cetacea, Odontoceti, Delphinidae), en Bahía Camarones, Patagonia, República Argentina. Notas sobre Mamíferos Sudamericanos.

*- D’Agostino, V. C., M. S. Hoffmeyer, M. Degrati. 2020. Morphology of and Calanoides carinatus mandibular gnathobases: Evidence of omnivory. Zoologischer Anzeiger 286: 64-71. 

*- Hoffmeyer, Mónica S.; Dutto María Sofía; Berasategui, Anabela; Garcia Maximiliano; Pettigrosso, Rosa E; Almandoz, Gastón O.; D'agostino, Valeria C.; García Tami M; Fabro, Elena; Paparazzo, Flavio; Solís, Míriam; Williams, Gabriela; Esteves, José L.; Krock, Bernd. 2020. Domoic acid, Pseudo-nitzschia spp and potential vectors at the base of the pelagic food web over the northern Patagonian coast, Southwestern Atlantic. Journal Of Marine Systems

*- Degrati, M., R. Loizaga, M. A. Coscarella, N. Sueyro, E. A. Crespo & S. L. Dans. Integrating multiple techniques to estimate population size of an impacted dusky dolphin’s population in Patagonia, Argentina.  Frontiers in Marine Science 7:289.

 

2019

 

*- Franco-Trecu, V., M. Drago, M.F. Grandi, A. Soutullo, E. A. Crespo & P. Inchausti. 2019. Abundance and Population Trends of the South American Fur Seal (Arctocephalus australis) in the Southern Atlantic. Aquatic Mammals 2019, 45(1) 48-55, DOI 10.1578/AM.45.1.2019.48.

*- Arias, M., M.A. Coscarella, M.A. Romero, N. Sueyro, G.M. Svendsen, E.A. Crespo & R.A. González. 2018. Southern right whale Eubalaena australis in Golfo San Matías (Patagonia, Argentina): evidence of recolonisation. PlosOne, 13(12): e0207524. doi.org/10.1371/journal.pone.0207524.

*- Hernández Orts, J.S., G. Alama Bermejo, N. García, E.A. Crespo F. Montero, J.A. Raga & F.J. Aznar. 2019. Acantocephalans from marine fishes from Patagonia, Argentina. Journal of Parasitology, 105(1):162–169.  https://doi.org/101645/18-125

*- Franco-Trecu, V., M.N. Szephegyi, F. Doño, R. Forselledo, F. Reyes, C. Passadore,  E.A. Crespo & P. Inchausti. 2019. Marine Mammal by-catch by the industrial bottom trawl fishery at the Rio De La Plata Estuary and Adjacent Atlantic Ocean. Latin American Journal of Aquatic Research, 47(1):89-101.

*- Jarma, D.A., M.A. Romero, N.A. García, G.M. Svendsen, R. Gonzalez, S.L. Dans, E.A. Crespo. 2019. Small-scale variation in the diet of South American Sea lion (Otaria flavescens) in northern Patagonia (Argentina). Regional Studies in Marine Science, 28:1-11.

*- Olivier Gimenez, Lorena Mansilla, Javier Klaich, Mariano A. Coscarella, Susana N. Pedraza, Enrique A. Crespo. 2019. Inferring animal social networks from capture-recapture data. Ecological Modelling, 401: 69-74.

*- Hernández-Orts, J.S., R. Kuchta, L. Semenas, E.A. Crespo, R.A. González & F.J. Aznar. 2019. An annotated list of the Acanthocephala from Argentina. Zootaxa. https://doi.org/10.11646/zootaxa.4663.1.1.

*- Ambrústolo, P., M.A. Zubimendi, M. Beretta & E.A. Crespo. 2019. Death seasonality determination in pinnipeds teeth: the case of the Cueva del Negro site (Argentine Patagonia). Archaeologia, 25:1-21.

*- Degrati, M., M.A. Coscarella, E.A. Crespo & S.L. Dans. 2019. Dusky dolphins groups’ dynamic and association patterns in Península Valdés, Argentina. Marine Mammal Science: 35(2):416-433.

*- D'Agostino, V. C., B. Krock, M. Degrati, V. Sastre, N. Santinelli, T. Krohn, M. S. Hoffmeyer. 2019. Occurrence of toxigenic microalgal species and phycotoxins accumulation in mesozooplankton in Northern Patagonian gulfs, Argentina. Environmental Toxicology and Chemistry, 38(10): 2209–2223. DOI: 10.1002/etc.4538

2018

 

*- Alfaro Shigueto, J., E.A. Crespo, S. Elwen, D. Lundquist & J. Mangel. 2018. Dusky dolphin Lagenorhynchus obscurus - (Gray, 1828). Red List of Threatened Species. <www.iucnredlist.org>.

*- Marchesi, M.C., M.S. Mora, E.A. Crespo, C. Boy, R. González-José & R.N.P. Goodall. 2018. Functional subdivision and characterization of the vertebral column in dolphin species from the southwestern South Atlantic. Mastozoología Neotropical. doi.org/10.31687/saremMN.18.25.2.0.12

*- Bas, M., I. Briz i Godino, M. Álvarez, D.G. Vales, E.A. Crespo, & L. Cardona. 2018. Back to the future? Late Holocene marine food web structure in a warm climatic phase as a predictor of trophodynamics in a warmer South-Western Atlantic Ocean. Global Change Biology, 1-16. DOI: 10.1111/gcb.14523.

*- Félix F., J. Alfaro Shigueto, J. Reyes, J. Mangel, N. Dellabianca, S. Heinrich & E.A. Crespo. 2018. Burmeister's Porpoise Phocoena spinipinnis - Burmeister, 1865. Red List of Threatened Species. <www.iucnredlist.org>.

*- da Silva, V., F. Trujillo, A.R. Martin, A.N. Zerbini, E.A. Crespo, E. Aliaga-Rossel  & R.R. Reeves. 2018. Boto Inia geoffrensis (Blainville, 1817). Red List of Threatened Species. <www.iucnredlist.org>.

*- Sueyro N., E.A. Crespo, M. Arias & M.A. Coscarella. 2018. Density-dependent changes in the distribution of southern right whales (Eubalaena australis) in the breeding ground Peninsula Valdés. PeerJ 6:e5957 DOI 10.7717/peerj.5957.

*- Vales DG., J.S. Hernández-Orts, C.A. Durante, A. Sosa Drouville, N.A. García, E.A. Crespo, N. Ortiz. 2018. Argonauta nodosus (Cephalopoda: Argonautidae) in Patagonian waters. Malacologia, 62(2): 367–371.

*- Dantas, G.M, M.G. Cardoso, A.C. Marasco, L.T. Castro, V.S. Almeida, F.R. Santos, L.R. Oliveira, E.A. Crespo, E. Frere, A. MIlliones, D. Gonzalez-Acuña, J. Morgante & J. Vianna. 2018. Demographic history of the Magellanic penguin on the Pacific and Atlantic coasts of South America. Journal of Ornithology. https://doi.org/10.1007/s10336-018-1538-z

*- Arias, M., M.A. Coscarella, M.A. Romero G.M. Svendsen, M. Ocampo Reinaldo, N.S. Curcio, E.A. Crespo, R.A.C. González. 2018. Impact of whale-watching on Southern Right Whale (Eubalaena australis) in Patagonia: assessing the effects from its beginnings in the context of population growth. Tourism Management Perspectives, 27:1-9. https:/ /doi.org/10.1016/j.tmp.2018.03.005

*- Tschopp, A., M. Ferrari, E.A Crespo & M.A. Coscarella. 2018. Development of a site fidelity index based on capture-recapture data at population level. PeerJ. DOI 10.7717/peerj.4782

*- Crespo, E.A., S.N. Pedraza, S.L. Dans, G.M. Svendsen, M. Degrati and M.A. Coscarella. 2018. Southwestern Atlantic Southern Right Whales Eubalaena australis still growing but at a decelerated speed. Marine Mammal Science. DOI:10.1111/mms.12526

*- Tammy Iwasa Arai, E.A. Crespo, P.H. Ott, V. Carvalho, S. Elwen, G. Rodríguez-Rey, A. Castaldo Colosio, A. Santarosa Freire, C. Serejo & S. Siciliano. 2018. The host-specific whale louse (Cyamus boopis) as a tool for interpreting humpback whale (Megaptera novaeangliae) migratory routes. Journal of Experimental Marine Biology and Ecology, 505 (2018) 45–51.

*- Grandi M.F., Loizaga de Castro R., Teran E., Santos M.R., Bailliet G., Crespo E.A. 2018. Is recolonization pattern related to female philopatry? An insight into a colonially breeding mammal. Mammalian Biology, 89: 21-29.

*- D’Agostino, V. C, M. Degrati, N. Santinelli, V. Sastre, S. Dans, M. S. Hoffmeyer. 2018. The seasonal dynamics of plankton communities relative to the foraging of the southern right whale (Eubalaena australis) in northern Patagonian gulfs, Península Valdés, Argentina. Continental Shelf Research, 164: 45-57.

*- Berasategui, A., M. C. López Abbate, V. C. D'Agostino, M. L. Presta, R. Uibrig, T. M. García, E. Nahuelhual, C. J. Chazarreta, M. S. Dutto, M. Garcia, F. Capitanio, M. S. Hoffmeyer. 2018. “Mesozooplankton Structure and Seasonal Dynamics in Three Coastal Systems of Argentina: Bahía Blanca Estuary, Pirámide Bay, and Ushuaia Bay.” En: Plankton Ecology of the Southwestern Atlantic. Editado por: Hoffmeyer, M., M. E. Sabatini, F. Brandini, D. Calliari, N. H. Santinelli. Springer International Publishing. 647 pp.

*- Sastre, V., N. H Santinelli, M. Solís, L. Pérez, S. Díaz Ovejero, L. Gracia Villalobos; A. Cadaillón, V. C. D'Agostino. 2018. “Harmful Marine Microalgae in Coastal Waters of Chubut (Patagonia, Argentina).” En: Plankton Ecology of the Southwestern Atlantic. Editado por: Hoffmeyer, M., M. E. Sabatini, F. Brandini, D. Calliari, N. H. Santinelli. Springer International Publishing. 647 pp.

 

2017

 

*- Dans, S.L., E.A. Crespo & M.A. Coscarella. 2017. Wildlife tourism: underwater behavioral responses of South American sea lions to swimmers. Applied Animal Behaviour Science. 188: 91–96.

*- Chalcobsky , B.A., E. A.  Crespo & M. A. Coscarella. 2017. Whale watching in Patagonia: what regulation scheme should be implemented when the socio-ecological system is changing? Marine Policy 75: 165–173.

*- Drago, M., L. Cardona, V. Franco-Trecu, E. A. Crespo, D. Vales, F. Borella, L. Zenteno, EM. Gonzáles & P. Inchausti. 2017. Isotopic niche partitioning between two apex predators over time. En Prensa: Journal of Animal Ecology.  DOI: 10.1111/1365-2656.12666.

*- Loizaga de Castro, R., F. Saporiti, D.G. Vales, L. Cardona, E.A. Crespo. 2017. Using stable isotopes to assess whether two sympatric dolphin species share trophic resources. Marine Mammal Science. DOI:10.1111/mms.12428

*- Cardona, L., D. Vales, A. Aguilar, E.A. Crespo, L. Zenteno. 2017. Temporal variability in stable isotope ratios of C and N in the vibrissa of captive and wild adult South American sea lions Otara byronia: more than just diet shifts. Marine Mammal Science. DOI: 10.1111/mms.12415

*- Marchesi, M.C., L.E. Pimper, M.S. Mora, E.A. Crespo & R.N.P. Goodall. 2017. Can habitat characteristics shape vertebral morphology in dolphins? An example of two phylogenetically related species from southern South America. Marine Mammal Science. DOI: 10.1111/mms.12432

*- Romero M.A., Grandi M.F., Koen-Alonso M., Svendsen, G., Ocampo-Reinaldo M., García N.A., Dans S.L., González R. & Crespo E.A. 2017. Analysing the natural population growth of a large marine mammal after a depletive harvest. Scientific Reports. 7: 5271  | DOI:10.1038/s41598-017-05577-6

*- Oliveira, L.R., M.C.M. Gehara, L.D. Fraga, F. Lopes, J.I. Túnez, M.H. Cassini, P. Majluf, S. Cárdenas, H. Pávez, E.A. Crespo, N. Garcia, R. Loizaga, R. Hoelzel, M. Sepúlveda, C. Olavarría, V.H. Valiati, R. Quiñones, M.J. Pérez-Alvarez, P.H. Ott & Sandro L. Bonatto. 2017. Ancient female philopatry, asymmetric male gene flow, and synchronous population expansion support the influence of climatic oscillations on the evolution of South American sea lion (Otaria flavescens). PLoS ONE 12(6): e0179442.https:// doi.org/10.1371/journal.pone.0179442

*- Signorelli, J. & E.A. Crespo. 2017. First record of the genus Adipicola (Mollusca: Bivalvia: Mytilidae) and description of a new species from the Argentine SW Atlantic Ocean. Zootaxa. https://doi.org/10.11646/zootaxa.0000.0.0

*- Hernández Orts, J.S., M. Brandão, S. Georgieva, J.A. Raga, E.A. Crespo, J.L. Luque & F.J. Aznar. 2017. From mammals to birds: successful host-switch of the acanthocephalan Corynosoma australe Johnston, 1937 from pinnipeds to the Magellanic penguin Spheniscus magellanicus (Forster, 1781). PlosOne.

*- Soto, F.A., Grandi, M.F., García, N.A., Crespo, E.A. & Dans, S.L. 2017. Reproductive Parameters of Female Long-finned Pilot Whales (Globicephala melas edwardii) from the Southwestern Atlantic. Zoological Studies, 56:39-51. doi:10.6620/ZS.2017.56-39.

*- Crespo, E.A., C. Olavarria, N. Dellabianca, M. Iñíguez, V. Ridoux & R.R. Reeves. 2017. Commerson's Dolphin Cephalorhynchus commersonii (Lacépède, 1804). Red List of Threatened Species. <www.iucnredlist.org>.

*- Zerbini, A.N., E.R. Secchi, E.A. Crespo, D. Danilewicz & R.R. Reeves. 2017. Franciscana Pontoporia blainvillei (Gervais & d'Orbigny, 1844). Red List of Threatened Species. <www.iucnredlist.org>.

*- D’Agostino, V. C., A. Fioramonti, F. Varsky, C. Campos, J. M. Goity, M. Degrati. 2017. Nonreproductive sexual behavior in baleen whales: sexual harassment by an adult male toward a calf of southern right whales (Eubalaena australis). Aquatic Mammals, 43(2): 213-218. DOI: 10.1578/AM.43.2.2017.213.
*- D’Agostino, V. C., M. Degrati, V. Sastre, N. Santinelli, B. Krock, T. Krohn, M. S. Hoffmeyer. 2017. Domoic acid in a marine pelagic food web: Exposure of southern right whales Eubalaena australis to domoic acid on the Península Valdés calving ground, Argentina. Harmful Algae, 68: 248–257.

 

2016

 

*- Cárdenas-Alayza, S. & Crespo, E. and Oliveira, L. 2016. Otaria byronia. The IUCN Red List of Threatened Species 2016: e.T41665A61948292.

*- Vales DG, Cardona L, Zangrando AF, Borella F, Saporiti F, Goodall RNP, Oliveira LR, Crespo EA. 2016. Holocene changes in the trophic ecology of an apex marine predator in the South Atlantic Ocean. Oecología DOI: 10.1007/s00442-016-3781-4.

*- Borella, F., L.  L'Heureux, D. Vales, E. A. Crespo. 2016. Exploring body size of modern South American fur seal (Arctocephalus australis) for osteometric studies in zooarchaeological remains from northern Patagonia, Argentina. Quaternary  International, http://dx.doi.org/10.1016/j.quaint.2015.07.038.

*- Ocampo Reinaldo, M., A. Milessi Millán, M.A. Romero, E.A. Crespo, M. Wolff & R.A. González. 2016. Assessing the effects of demersal fishing and conservation strategies of marine mammals over a patagonian food web. Ecological Modelling, 331: 31–43.

*- Loizaga de Castro, R., F. Saporiti, D.G. Vales, N.A. García, L. Cardona, E. A. Crespo. 2016. What are you eating? A stable isotope insight into the trophic ecology of short-beaked common dolphins in the Southwestern Atlantic Ocean. Mammalian Biology, 81: 571-578.

*- Grandi M.F., Dans S.L. & Crespo E.A. 2016. Improvement in survivorship: the key for population recovery? Zoological Studies. 55: 9. doi:10.6620/ZS.2016.55-09.

*- Durante, C.A., E.B. Santos-Neto, A. Azevedo, E.A. Crespo & J. Lailson-Brito. 2016. POPs in the South Latin America: biaccumulation of DDT, PCB, HCB, HCH and Mirex in blubber of common dolphin (Delphinus delphis) and Fraser’s dolphin (Lagenodelphis hosei) from Argentina. Science of the Total Environment, 572: 352-360.

vSaporiti, F., S. Bearhop, D.G. Vales, L. Silva, L. Zenteno, M.Tavares, E.A. Crespo, L. Cardona. 2016. Resource partitioning between marine air-breathing predators: are body size and mouth diameter the major determinants? Marine Ecology. doi: 10.1111/maec.12304.

*- Cárdenas-Alayza, S., Oliveira, L. & Crespo, E. 2016. Arctocephalus australis. The IUCN Red List of Threatened Species 2016: e.T2055A45223529. http://dx.doi.org/10.2305/IUCN.UK.2016-1.RLTS.T2055A45223529.en

*- D’Agostino, V. C., M. S. Hoffmeyer, M. Degrati. 2016. Fecal analysis of southern right whales (Eubalaena australis) at calving ground of Península Valdés, Argentina: Calanus australis, a key prey species. Journal of the Marine Biological Association of the United Kingdom, 96(4): 859-868. DOI: 10.1017/S0025315415001897.

 

2015

 

*- Zenteno, L., F. Borella, J. Gómez Otero, E. Piana, J.B. Belardi, L.A. Borrero, F. Saporiti, L. Cardona & E.A. Crespo. 2015. Shifting niches of marine predators due to human exploitation: the diet of the South American sea lion (Otaria flavescens) since the late Holocene as a case study. Paleobiology, DOI: 10.1017/pab.2015.9

*- Zenteno Devaud, L., E.A. Crespo, D. Váles, L. Silva, F. Saporiti, L-R. de Oliveira, E.R. Secchi, M. Drago, A. Aguilar, L. Cardona. 2015. Dietary consistency of male South American sea lions (Otaria flavescens) in southern Brazil during three decades inferred from stable isotope analysis. Marine Biology, 162:275-289.de

*- Leonardi, M.S., F.J. Aznar, E.A. Crespo & C.R. Lazzari. 2015. Corrigendum to ‘‘Uncovering deep mysteries: The underwater life of an amphibious louse’’ [Journal of Insect Physiology 71 (2014) 164–169]

*- Machado, R., P.H. Ott, I. Benites Moreno, D. Danilewicz, M. Tavares, E.A. Crespo, S. Siciliano, L.R. de Oliveira. 2015. Operational interactions between South American sea lions and gillnet fishing in Southern Brazil. Aquatic Conservation: Marine and Freshwater Ecosystems. DOI: 10.1002/aqc.2554.

*- Hernández-Orts, J.S., M. Natalia Paso Viola, N.A. García, E.A. Crespo, R. González, M. García-Varela & R. Kuchta. 2015. A checklist of the helminth parasites of marine mammals from Argentina. Zootaxa 3936 (3): 301–334.

*- Vales, D.G., L. Cardona, N.A. García, L. Zenteno, A. Aguilar & E.A. Crespo. 2015. Ontogenetic dietary changes in male South American fur seals in northern and central Patagonia, Argentina. Marine Ecology Progress Series: 525: 245–260.

*- Drago, M., V. Franco-Trecu, L. Zenteno, D. Szteren, E.A. Crespo, F. Riet-Sapriza, L. de Oliveira, R. Machado, P. Inchausti, L. Cardona. 2015. Sexual foraging segregation in South American sea lions increases during the pre-breeding period in the La Plata River plume. Marine Ecology Progress Series: 525: 261–272.

*- Svendsen, G.M., M.A. Romero, G.N. Williams, D.A. Gagliardini, E.A. Crespo. S.L. Dans & R.A. González. 2015. Environmental niche overlap between common and dusky dolphins in North Patagonia, Argentina. PlosOne 10(6): e0126182. doi:10.1371/journal.pone.0126182.

*- Pont, A.C., S. Marchini, M.T. Engel, R. Machado, P.H. Ott, E.A. Crespo, M.S. Dalzochio, M. Coscarella & L.R. Oliveira. 2015. The human dimension of the conflics between fishermen and sea lions in southern Brazil. Hydrobiologia, DOI 10.1007/s10750-015-2576-7

*- Grandi, M.F., S.L. Dans & E.A. Crespo. 2015. Anenbryonic gestation in wild South American sea lion, Otaria flavescens. (MS2014-0037) Anatomia, Histologia, Embryologia. Journal of Veterinary Medicine. doi: 10.1111/ahe.12215.

*- Cunha, H.A., R Loizaga de Castro; E.R. Secchi; E.A. Crespo; J. Lailson-Brito; A.F. Azevedo; C. Lazoski; A.M. Solé-Cava.  2015. Molecular and morphological differentiation of common dolphins (Delphinus sp.) in the Southwestern Atlantic: testing the two species hypothesis in sympatry. PLOSone, 10(11): e0140251. doi:10.1371/journal.pone.0140251.

*- Coscarella MA, Bellazzi G., Gaffet ML, Berzano M. y Degrati M. 2015. Technique Used by Killer Whales (Orcinus orca) When Hunting for Dolphins in Patagonia, Argentina. Aquatic Mammals, 41(2): 192-197. 

*- Silva, L.A.; L. Siles, L. Cardona; E.A. Crespo & P.A. Gandini. 2015. Diferencias estacionales en la dieta de individuos juveniles del pingüino patagónico (Spheniscus magellanicus) reveladas en base al análisis de isótopos estables en uñas. EL Hornero 30(2):45–54.

*- Aznar, F.J., E.A. Crespo, J.A. Raga, J.S. Hernández-Orts.Trunk spines in cystacanths and adults of Corynosoma spp. (Acanthocephala): Corynosoma cetaceum as an exceptional case of phenotypic variability. 2015. Zoomorphology, DOI 10.1007/s00435-015-0290-7

*- Saporiti, F., S. Bearhop, D.G. Vales, L. Silva, L. Zenteno, M. Tavares, E.A. Crespo, L. Cardona. 2015. Latitudinal changes in the structure of marine food webs in the south-western Atlantic Ocean. Estuarine, Coastal and Shelf Science. Marine Ecology Progress Series. 538: 23–34.

*- Loizaga de Castro, R. F. Saporiti, D.G. Vales, N.A. García, L. Cardona, E.A. Crespo. 2015. Feeding ecology of dusky dolphins Lagenorhynchus obscurus: evidence from stable isotopes. Journal of Mammalogy, xx(x):1–11, DOI:10.1093/jmammal/gyv18

*- Fraija-Fernández, N., P.D. Olson, E.A. Crespo, J.A. Raga, F.J. Aznar, M. Fernández. 2015. Independent host capture of cetaceans by digenean parasites inferred from ribosomal DNA. International Journal for Parasitology, 45: 167-173.

*- Franco-Trecu, V., M. Drago, C. Baladán, M. García, E.A. Crespo, L. Cardona & P. Inchausti. 2015. Post-harvesting population dynamics: the South American sea lion (Otaria flavescens) in the Southwestern Atlantic Marine Mammal Science, 31(3): 963–978.

*- Crespo,  E.A., A. Schiavini, N. García, V. Franco-Trecu, N. Goodall, D. Rodríguez, J. Morgante & L.R. Oliveira. 2015. Status, population trend and genetic structure of South American fur seals Arctocephalus australis in southwestern Atlantic waters. Marine Mammal Science, 31(3): 866–890.

*- Loizaga de Castro, R., S.L. Dans & E.A. Crespo. 2015. Spatial genetic structure of dusky dolphin, Lagenorhynchus obscurus, along the Argentine coast: preserve what scale?   Aquatic Conservation: Marine and Freshwater Ecosystems, 26(1), 173-183.

*- Grandi, M.F., S.L. Dans & E.A. Crespo. 2015. The recovery process of a population is not always the same: The case of Otaria flavescens. Marine Biology Research Journal: 11(3) 225–235.

*- Wilson, C., V. Sastre, M. Hoffmeyer, V. J. Rowntree, S. Fire, N. H. Santinelli, S. Díaz Ovejero, V. C. D’Agostino, C. Maron, G. Doucette, M. Broadwater, M. Uhart. 2015. Southern right whale calf (Eubalaena australis) mortality at Península Valdés, Argentina: are harmful algal blooms to blame? Marine Mammal Science, 32(2): 423-451. DOI: 10.1111/mms.12263
*-. D’Agostino, V. C., M. S. Hoffmeyer, G. O. Almandoz, V. Sastre, M. Degrati. 2015. Potentially toxic Pseudo-nitzschia species in plankton and fecal samples of Eubalaena australis from Valdés Peninsula calving ground Argentina. Journal of Sea Research, 106: 39-43.

 

2014

 

*- Saporiti, F.1, Bala, L., Gómez-Otero,J., E.A., Piana, E.L., Crespo, Aguilar, A., Cardona, L. 2014. Paleoindian pinniped exploitation in South America was driven by oceanic productivity. Quaternary Research, 352: 85-91.

*- Banguera-Hinestroza, E., A. Hayano, E.A. Crespo, A.R. Hoelzel. 2014. Delphinid systematics and biogeography with a focus on the current genus Lagenorhynchus: Multiple pathways for antitropical and trans-oceanic radiation. Molecular Phylogenetics and Evolution, 80: 217-230.

*- Hernandez-Orts, J.S., G. Alama-Bermejo, E.A. Crespo, J.A. Raga & F. Montero. 2014. A revision of the genus Neogrubea Dillon & Hargis, 1968 (Monogenea: Mazocraeidae), gill parasites of stromateoideid and percoideid fishes (Teleostei: Perciformes): new morphological and molecular data from off the Patagonian coast of Argentina. Systematic Parasitology, 89:59–72.

*- Llanos, R., A. Travaini, S.Montanelli & E.A.  Crespo. 2014. Estructura de edades de pumas (Puma concolor) cazados bajo el sistema de remoción por recompensas en Patagonia. ¿Selectividad u oportunismo en la captura? Ecología Austral 24:311-319.

*- Saporiti, F., S. Bearhop, L. Silva, D. G. Vales, L. Zenteno, E. A. Crespo, A. Aguilar, and L. Cardona. 2014. Longer and less overlapped food webs in anthropogenically disturbed marine ecosystems: confirmations from the past. PLOSone: 9 (7) e103132

*- Romero, M.A., M. Fernández, S.L. Dans, N.A. García, R. González & E.A. Crespo. 2014. Gastrointestinal parasites of bottlenose dolphins Tursiops truncatus at the southern extreme of the southwestern Atlantic, with notes on diet composition. Diseases of Aquatic Organisms, 108: 61–70.

*- Silva, L.A., F. Saporiti, D. Vales, M. Tavares, P. Gandini, E.A. Crespo & L. Cardona. 2014. Differences in diet composition and foraging patterns between sexes of the Magellanic penguin (Spheniscus magellanicus) during the non-breeding period as revealed by δ13C and δ15N values in feathers and bone. Marine Biology, 161:1195–1206.

*- Vighi, M., A. Borrell, E.A. Crespo, L.R. de Oliveira, P. Simões Lopes, P.A.C. Flores, N.A. García & A. Aguilar. 2014. Stable isotopes indicate population structuring in the Southwest Atlantic population of right whales (Eubalaena australis). PLoS ONE 9(3): e90489.

*- Vales, D.G., F. Saporiti, L. Cardona, L.R. de Oliveira, R. A. dos Santos, E.R. Secchi, A. Aguilar & E. A. Crespo. 2014. Intensive fishing has not forced dietary change in the South American fur seal (Arctophoca australis) off Río de la Plata and adjoining áreas. Aquatic Conservation: Marine and Freshwater Ecosystems. 24: 745–759.

*- Degrati, M., S.L. Dans, G.V. Garaffo & E.A. Crespo. 2014. Seabirds and Dolphins Associations: Do the seabirds benefit from feeding in association with dusky dolphins in Patagonia? Journal of the Marine Biological Association of the United Kingdom, 94(6): 1147–1153.

*- Loizaga de Castro, R., M. Fernández, D.G. Vales, M. Degrati, N.A. García, & E.A. Crespo. 2014. First record of cestodes cysts in coastal dusky dolphins (Lagenorhynchus obscurus) off southwestern Atlantic Ocean. Hidrobiology, 24 (3): 307-310.

*- Loizaga De Castro, R., A.R. Hoelzel & E.A. Crespo. 2014. Behavioural responses of argentine coastal dusky dolphins, Lagenorhynchus obscurus, to a biopsy pole system. Animal Welfare, 22: 13-23.

2013

 

*- Crespi-Abril, A.C., S.N. Pedraza, N.A. García & E.A. Crespo. 2013. Species biology of elasmobranch by-catch in bottom-trawl fishery in the northern Patagonian shelf, Argentina. Aquatic Biology, 19: 239–251.

*- Hernández-Orts, J.S., F.J. Aznar, I. Blasco-Costa, N.A. García, M. Víllora-Montero, E.A. Crespo, J.A. Raga, F.E. Montero. 2013. Description, microhabitat selection and infection patterns of sealworm larvae (Pseudoterranova decipiens species complex, Nematoda: Ascaridoidea) in fishes from Patagonia, Argentina. Parasites & Vectors, 6:252.

*- Loizaga de Castro, R., S. L. Dans, M.A. Coscarella & E.A. Crespo. 2013. Living in an estuary: Commerson´s dolphins habitat use and behavioural pattern at the Santa Cruz River, Patagonia, Argentina. 2013. Latin American Journal of Aquatic Science. 41(5): 985-991.

*- Leonardi, M.S., E.A. Crespo, J.A. Raga & F.J. Aznar. 2013. Lousy mums: patterns of vertical transmission of an amphibious louse. Parasitology Research, DOI 10.1007/s00436-013-3511-3.

*- Zenteno L, Crespo E.A., Goodall N, Aguilar A, de Oliveira L, Drago M, Secchi E, Garcia N & Cardona L. 2013. Stable isotopes of oxygen reveal dispersal patterns of the South American sea lion in the southwestern Atlantic Ocean. Journal of Zoology, 291: 119–126.

*- Saporiti, F., Bala, L.O., Crespo, E.A., Gómez-Otero, J., Zangrando, A,F.J., Aguilar, A. & Cardona, L. 2013. Changing patterns of marine resource exploitation by hunter-gatherers throughout the late Holocene of Argentina are uncorrelated to sea surface temperature: Quaternary International, 299:108-115.

*- Sepúlveda, M., D. Oliva, R. Duran, A. Urra, S.N. Pedraza, P. Majluf,  R. Goodall & E.A. Crespo. 2013. Testing Bergmann’s rule and Rosenzweig hyphotesis with craniometric studies of the South American sea lion Otaria flavescens. Oecologia, 171:809–817.

*- Svendsen, G.M., S.L. Dans, R. González, G. Williams, M.A. Romero, D.A.Gagliardini & E.A. Crespo. 2013. Occurrence of South American fur seals Arctocephalus australis (Zimmermann 1783) in San Matías Gulf, Patagonia, Argentina. Latin American Journal of Acuatic Research, 41(3): 576-583.

*- Hernández-Orts, J.S., F.E. Montero, A.J. García, N.A. García, E.A. Crespo, J.A. Raga & F.J. Aznar. 2013. Intestinal helminth fauna of the South American sea lion, Otaria flavescens, and the South American fur seal, Arctocephalus australis, from northern Patagonia, Argentina. Journal of Helminthology, 87, 336–347.

*- Degrati, M., S.L. Dans, G.V. Garaffo, A. Cabreira, F. Castro Machado & E.A. Crespo. 2013. Sequential foraging of dusky dolphins with an inspection of their prey distribution. Marine Mammal Science. 29(4): 691–704.

 

2012

 

*- Coscarella, M.A., S.L. Dans, M. Degrati, G.V. Garaffo & E.A. Crespo. 2012. Bottlenose dolphins at the southern extreme of the south-western Atlantic: local population decline?. Journal of the Marine Biological Association of the United Kingdom, 92:1843-1849.

*- Dans, S.L., M. Degrati, S.N. Pedraza & E.A. Crespo. 2012. Effects of tour boats on dolphin activity examined with sensitivity analysis of Markov chains. 2012. Conservation Biology, 26(4): 708-716.

*- Degrati, M., S.L. Dans, G.V. Garaffo & E.A. Crespo. 2012. Diving for food: a switch of foraging strategy of dusky dolphins in Argentina. Journal of Ethology, 30(3):361-367.

*- Grandi M. F., Loizaga de Castro R., & Crespo E. A. 2012. Killer whale attacking on South American sea lion associated to a fishing vessel: predator and prey tactics.  Latin American Journal of Aquatic Research, 40(4):1072-1076.

*- Grandi, M.F., L.R. de Oliveira, S.L. Dans & E.A. Crespo. 2012. Effective population size for South American sea lions along the Northern Patagonian coast: a hunted population in recovery. Animal Biology. 62: 433–450.

*- Leonardi, M.S., E.A. Crespo, J.A. Raga, F.J. Aznar & M. Fernández. 2012. Scanning electron microscopy of Antarctophthirus microchir (Anoplura: Echinophthiriidae): studying morphological adaptations to aquatic life. Micron, 43: 929-936.

*- Hernández-Orts, J.S., Montero, F.E., Crespo, E.A., García, N.A., Raga, J.A. & Aznar, F.J. 2012. Ascocotyle (Ascocotyle) patagoniensis n. sp. (Trematoda: Heterophyidae) from the South American sea lion, Otaria flavescens, off Patagonia, Argentina. Journal of Parasitology, 98(4):810–816.

*- Hernández-Orts, J.E., G. Alama-Bermejo, J.M. Carrillo, N.A. García, E.A. Crespo, J.A. Raga & F.E. Montero-Royo. 2012. Aporocotyle mariachristinae n. sp., and A. ymakara Villalba & Fernández, 1986 (Digenea: Aporocotylidae) of the pink cusk-eel, Genypterus blacodes (ophidiiformes: ophidiidae) from Patagonia, Argentina. Parasite, 19(2):319-330.

*- Hernandez-Orts, J.S., G. Alama-Bermejo, E.A. Crespo, N.A. García, J.A. Raga & F. Montero. 2012. Breizacanthus aznari n. sp. (Acanthocephala: Arhythmacanthidae) from ophiidiid fishes of the Patagonian coast, Argentina. Folia Parasitologica. 59(4):264–271.

*- Leonardi, M.S., E.A. Crespo, D.G. Vales, M. Feijoo, J.A. Raga, & F.J. Aznar. 2012. The life begins when the sea lion is ashore: microhabitat use by a louse of a diving mammal host. Bulletin of Entomological Research,102(4):444-452.

*- Romero, M. A., Dans, S. L., García, N., Svendsen, G. M., González, R. y Crespo, E. A., 2012. Feeding habits of two sympatric dolphin species off North Patagonia, Argentina. Marine Mammal Science, 28(2)364-377.

 

2011

 

*- Coscarella, M.A. S. Gowans , S.N. Pedraza & E.A. Crespo. 2011. Influence of body size and ranging patterns on delphinid sociality: Associations among Commerson’s dolphins. Journal of Mammalogy, 92(3): 544–551.

*- Feijoo, M., E.P. Lessa, R. Loizaga de Castro & E.A. Crespo. 2011. Mitochondrial and microsatellite assessment of population structure of South American sea lion (Otaria flavescens) in the Southwestern Atlantic Ocean. Marine Biology, 158:1857–1867.

*- Leonardi, M.S., M.F. Grandi, N.A. García, G. Svendsen, A. Romero, R. González, and E.A. Crespo. 2011. A stranding of Baleanoptera borealis (Lesson 1828) from Patagonia, Argentina, with notes of parasite infestations and diet. African Journal of Marine Science, 33(1): 177–179.

*- Aversa, M.I., S.L. Dans, N.A. García & E.A. Crespo. 2011. Growth models fitted to Dipturus chilensis length-at-age-data support a two phase growth. Revista Chilena de Historia Natural 84: 33-49.

*- Romero, M.A., Dans, S.L., González, R., Svendsen, G.M., García, N., Crespo, E.A. 2011. Solapamiento trófico entre el lobo marino de un pelo Otaria flavescens y la pesquería de arrastre demersal del Golfo San Matías – Patagonia, Argentina.  Latin American Journal of Aquatic Science, 39(2): 344-358.

*- Degrati, M., N.A. García, M.F. Grandi, M.S.Leonardi, R. Loizaga de Castro, D.G. Vales, S.L. Dans, S.N. Pedraza & E.A. Crespo. 2011. New record of a stranded sperm whale (Physeter macrocephalus) and a review of strandings along the continental argentine coast. Mastozoología Neotropical, 18(2):307-312.

*- Hernández-Orts, J.S., J.T. Timi, J.A. Raga, M. García-Varela, E.A. Crespo & F.J. Aznar. 2011. Patterns of trunk spine growth in two congeneric acanthocephalan species: investment on attachment may differ between sexes and species. Parasitology 138, 1–11.

*- Vales, D.G., N.A. García, E.A. Crespo & J.T. Timi. 2011. Parasites of a marine benthic fish in the Southwestern Atlantic: searching for geographical recurrent patterns of community structure. Parasitology Research, 108:261–272.

*- Garaffo, G.V., S.L. Dans,  S.N. Pedraza, M. Degrati, A.C.M. Schiavini, R. González & E.A. Crespo. 2011. Modeling habitat use for dusky dolphin and Commerson’s dolphin in Patagonia. Marine Ecology Progress Series 421:217-227.

*- Loizaga de Castro, R.,  M.S. Leonardi, M.F. Grandi, N.A. García & E.A. Crespo. 2011. Far from home: record of a vagrant striped dolphin in Patagonia with notes on diet, parasites and age determination. Mammalian Biology, 76: 521–524.

*- Klaich, M.J., P.G. Kinas, S.N. Pedraza, M.A. Coscarella & E.A. Crespo. 2011. Estimating dyad association probability under imperfect and heterogeneous individual detection. Ecological Modelling 222: 2642– 2650.

 

2010

 

*- Crespo, E.A., S.N. Pedraza, M.F. Grandi, S.L. Dans & G. Garaffo. 2010. Abundance estimation of Franciscana dolphins (Pontoporia blainvillei) in argentine waters and implications for the conservation of the species. Marine Mammal Science, 26(1)17-35.

*- Coscarella, M. & E.A. Crespo. 2010. Feeding aggregation and aggressive interaction between bottlenose (Tursiops truncatus) and Commerson's dolphins (Cephalorhynchus commersonii) in Patagonia, Argentina. Journal of Ethology, 28(1):183-187.

*- Garaffo, G.V., S.L. Dans, E.A. Crespo, M. Degrati, P. Giudici & D.A. Gagliardini. 2010. Dusky dolphin: modelling habitat selection. Journal of Mammalogy. 91(1):000–000, 2010

*- Grandi, M.F., S. L. Dans,  N.A. García & E. A. Crespo. 2010. Growth and age at sexual maturity of South American sea lions. Mammalian Biology. 75:427–436.

*- Nikolov, P., H. Cappozzo, B. Berón-Vera, E. Crespo, J. Raga, & M. Fernández. 2010. Cestodes from Hector's beaked whale (Mesoplodon hectori) and spectacled porpoise Phocoena dioptrica) from Argentinean waters. Journal of Parasitology, 96(4): 746-751.

*- Coscarella, M.A., S.N. Pedraza & E.A. Crespo. 2010. Behavior and seasonal variation in the relative abundance of Commerson’s dolphin Cephalorhynchus commersonii in northern Patagonia, Argentina. Journal of Ethology, 28: 463-470.

*- Borrell, A., A. García-Solà, A. Aguilar, N.A. García & E.A. Crespo. 2010. Organochlorine Residues in South American Sea Lions, Otaria flavescens (Shaw, 1800): Bioaccumulation and Time Trends. Bulletin Environmental Contamination and Toxicology, 84:731-737.

*- Drago, M., L. Cardona, E.A. Crespo, N.A. García, S. Ameghino & A. Aguilar. 2010. Change in the foraging strategy of female South American sea lions (Carnivora: Pinnipedia) after parturition. Scientia Marina 74(3): 589-598.

*- Drago, M, L. Cardona, E.A. Crespo, M.F. Grandi & A. Aguilar. 2010. Reduction of skull size in South American sea lions reveals density dependent growth during population recovery. Marine Ecology Progress Series, 420: 253-261.

*- Crespo, E.A., M. Borobia, D. Alarcon, M. Alonso, M. Bazzalo, M. Cremer, G. Filla, F.A. Magalhães, J. Marigo, H. Queiróz, J.E. Reynolds, III., Y. Schaeffer, D.L. Wetzel, P.R. Dorneles & J. Lailson-Brito. 2010. Report of the Working Group on major threats and conservation. The Latin American Journal of Aquatic Mammals (Special Issue) 8 (1-2): 47-56.

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