Latin American Journal of Aquatic Mammals最新文献

{"title":"Two decades of the Latin American Journal of Aquatic Mammals (LAJAM): A bibliometric review for the period 2002 – 2022","authors":"Israel Huesca-Domínguez, E. Morteo, Isabel Hernández-Candelario, C. A. Delfín-Alfonso, L. G. Abarca-Arenas, M. Marmontel, D. Palacios","doi":"10.5597/lajam00294","DOIUrl":"https://doi.org/10.5597/lajam00294","url":null,"abstract":"We conducted a retrospective bibliometric analysis of the Latin American Journal of Aquatic Mammals (LAJAM), the scholarly publication of the Latin American Society of Specialists of Specialists in Aquatic Mammals (SOLAMAC) for the last 20 years. The goal was to describe the state of the research, trends, changes, and priorities to provide a deeper context for future studies on these taxa in Latin America. We analyzed 278 publications between 2002 – 2022 (there were no published issues between 2012 – 2014), by 688 authors and from 26 countries. Odontocetes were the best represented taxa, led by Tursiops truncatus, Pontoporia blainvillei, and Sotalia spp., followed by an otter (Pteronura brasiliensis) and a Mysticete (Megaptera novaengliae). Co-word analysis within publications reflected research focus on particular species (e.g., P. brasiliensis and T. truncatus), regions (e.g., southern Brazil and Peru) and topics (e.g., distribution, population, sexual dimorphism). Most of the studies were conducted in Brazil, Argentina, and Uruguay, whereas research from the Caribbean was limited in the sample. We found an increasing trend in the number of publications by females as first authors over the years, who also increased in the number of citations across the study. Several types of organizations were involved in the publications, dominated by academic institutions, mainly in Brazil. Many authors shifted institutions over the first half of the study, and publications from non-governmental organizations maintained an important role throughout the study. We identified eight clusters within the authorship network, where six belonged to Brazilian authors; however, cluster connectivity was mediated mainly by authors from countries like Brazil and Uruguay, changing across the years. Finally, the pattern and trends found here seem to adequately reflect the development of the field, in terms of efforts and collaborative networks in South America and Mexico during the last three decades.","PeriodicalId":17967,"journal":{"name":"Latin American Journal of Aquatic Mammals","volume":"12 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79524216","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Review of threats and implementation of the Regional Action Plan for the Conservation of Marine Mammals in the Wider Caribbean Region","authors":"M. Borobia, C. Vail, C. Pusineri, Géraldine Conruyt","doi":"10.5597/lajam00300","DOIUrl":"https://doi.org/10.5597/lajam00300","url":null,"abstract":"The Action Plan for the Conservation of Marine Mammals in the Wider Caribbean Region (MMAP) was adopted in 2008 by Contracting Parties under the Protocol concerning Specially Protected Areas and Wildlife (SPAW) of the Cartagena Convention, administered by the United Nations Environment Programme (UN Environment). After more than a decade of MMAP-related programmatic work under SPAW, this paper presents a synthesis of major threats to marine mammals in the Region and an assessment of progress achieved by the 17 Contracting Parties to the SPAW Protocol toward achieving implementation of the MMAP and based upon a scientific and technical analysis conducted in 2020. The country assessment focused on 11 threat categories (indicators), along with two additional indicators relating to country legislation and national action plans. As part of this scientific and technical analysis, surveys were sent to SPAW Contracting Party focal points and individual interviews were conducted with key regional organizations and experts. For every SPAW Contracting Party, each indicator was assigned a relative level of its current intensity (Low, Moderate, High, or Unknown). A similar scheme was utilized to represent each country’s response to that threat. The results highlighted those threats that were of concern for several countries and hence may be considered a management priority at the regional scale. In terms of threat mitigation, these priorities are: interaction between marine mammals and fisheries, pollution, and acoustic disturbance. Regarding needs, the development of national marine mammal action plans, as well as the implementation of research and monitoring programmes dedicated to marine mammals, should be considered a priority. Finally, two threats were found to be of high priority for knowledge enhancement: acoustic disturbance and vessel strikes. It is important to note that this review was not intended to single out insufficient country effort, but rather assist Wider Caribbean countries to identify threats and/or issue areas which would benefit from attention.","PeriodicalId":17967,"journal":{"name":"Latin American Journal of Aquatic Mammals","volume":"12 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82331525","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Accomplishments and challenges of the research on Antillean manatee: A bibliometric analysis","authors":"Nataly Castelblanco-Martínez, D. Gonzalez-Socoloske, Leslie Cabrias, Natalia Garcés‐Cuartas, Gloria Katerin Arévalo-González, João Carlos Gomes Borges, M. Marmontel","doi":"10.5597/lajam00297","DOIUrl":"https://doi.org/10.5597/lajam00297","url":null,"abstract":"The Antillean manatee (Trichechus manatus manatus) is an endangered subspecies of the West Indian manatee inhabiting countries of South America, Meso America and the Caribbean. Basic and applied research is necessary to inform management plans for the effective recovery of this subspecies. The purpose of this study was to systematically review literature regarding Antillean manatees, without restriction of the research topic. Article selection and screening process are described. Our final database consisted of 456 publications, of which peer-reviewed literature (articles, reviews, and notes in research journals) represent the most important type (63.4%), followed by BSc, MSc, and PhD theses (28.1%). Most of the research (70%) was conducted on wild manatees, 21,5% under human care conditions, and the rest a combination of both; the most common topics of study were ‘ecology’, ‘conservation’, ‘morphology, anatomy and physiology’, and ‘behavior’. The literature on Antillean manatee has expanded significantly over the last two decades across the region, with most of the research published in just the last five (25.4%) to 10 (44.6%) years. Most of the published work has been by Brazilian, Mexican, and Colombian researchers. However, an important amount of research remains as theses in Portuguese or Spanish limiting the dissemination of results. Relevant limitations for research and publication in Latin American countries may have an impact on the published literature on Antillean manatees, including scarce funding, poor facilities, language-related difficulties, and lack of a culture of publication. Avenues to melt scientific barriers may include increasing governmental investment on research, strengthening international networks, and improving the support to publish in high-impact journals.","PeriodicalId":17967,"journal":{"name":"Latin American Journal of Aquatic Mammals","volume":"31 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86029704","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The Amazon River dolphin, Inia geoffrensis: What have we learned in the last two decades of research?","authors":"V. D. da Silva, S. Brum, Daniela Magalhães Drummond de Mello, Rodrigo de Souza Amaral, W. Gravena, Elizabeth Campbell, Rayane Da S. Gonçalves, Vanessa J. Mintzer","doi":"10.5597/lajam00298","DOIUrl":"https://doi.org/10.5597/lajam00298","url":null,"abstract":"In the last decades, knowledge about the biology of the Amazon river dolphin Inia geoffrensis has increased considerably. Accordingly, we present a review of the published literature on this river dolphin, with a focus on topics with the most advancements and those that are important to the species conservation. We also present new information, including emerging knowledge on the other species of Inia. We summarize the current knowledge of the biology of Inia, covering aspects of taxonomy, distribution, life history and reproduction, genetics, anatomy and physiology, health, behavior, ecology, demographic parameters, and population trends. We also highlight the main anthropogenic threats affecting the species and the resulting conservation efforts.","PeriodicalId":17967,"journal":{"name":"Latin American Journal of Aquatic Mammals","volume":"71 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81673542","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Hunting and hunters of the Amazonian manatee in a Brazilian protected area","authors":"J. Calvimontes, M. Marmontel","doi":"10.5597/lajam00291","DOIUrl":"https://doi.org/10.5597/lajam00291","url":null,"abstract":"The Amazonian manatee has been hunted since antiquity and is part of local culture and tradition. Although protected by law, manatees continue to be hunted for food and trade. In most regions where the species occurs there are no reliable data on current hunting pressure. In addition, difficulty in determining its abundance prevents the definition of the species’ conservation status. Through an interdisciplinary research approach bringing together quantitative and qualitative data in the context of a trusting relationship with our local community partners, we assess current hunter profiles and associated hunting data. Hunting manatees in this region is linked to strong family traditions. The belief that ‘manatees are not for everyone’ as well as the considerable value given to their meat, results in hunters being recognized and admired. The manatees of Amanã are vulnerable to hunting year-round, throughout their route of in-reserve seasonal migration, and probably throughout other migration routes in the region. We conclude that if conservation is to be effective, the professionals, policies, and practices involved must consider local traditions related to manatee consumption. Likewise, the difficulty for local communities to fully grasp the threat of extinction to the species poses a significant challenge to conservation efforts. The information on manatee hunting in the Amanã Sustainable Development Reserve generated by this work is unprecedented for the species and has served as the basis for monitoring and establishing conservation measures appropriate to the local reality.","PeriodicalId":17967,"journal":{"name":"Latin American Journal of Aquatic Mammals","volume":"22 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79847843","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Carcass non-recovery rate of franciscana dolphin (Pontoporia blainvillei), calibrated with a drift mark-recapture study at FMA Ia, Brazil","authors":"Hernani Gomes da Cunha Ramos, Adriana Castaldo Colosio, Milton César Calzavara Marcondes, Fábio Conceição Fontes, Cristiano Gil Dapper, Rodrigo De Oliveira Campos, Renato David Ghisolfi, R. Bovendorp, Júlio Ernesto Baumgarten","doi":"10.5597/lajam00288","DOIUrl":"https://doi.org/10.5597/lajam00288","url":null,"abstract":"The franciscana dolphin (Pontoporia blainvillei) is one of the smallest dolphins globally and the most threatened in the Southwest Atlantic Ocean. Beach monitoring helps to investigate cetacean strandings within their distributions and assess impacts that cause mortality. Using drifters in mark-recapture studies helps to estimate recovery rates when carcasses are unavailable. The study aims to estimate the non-recovery rate of franciscana carcasses from FMA Ia by comparing the spatial distribution between carcasses and drifters along the coast; correlating the influence of cold fronts with the recovery rate of drifters; estimating the non-recovery rate of carcasses according to the drifters’ results and the meteorological profile in the pre-stranding period; characterizing the death diagnostic with temporal distribution of franciscanas by considering the stranding index and the carcass non-recovery rates. We repeated the release of 54 drifters in two campaigns close to the coast within the range of franciscana dolphins, where beaches are monitored daily, in the north region of Espírito Santo state, Brazil. The carcass stranding hotspots (21%) and drifters (18%) were 10 km apart. Cold fronts significantly increase the number of strandings. Considering the incidence of cold fronts in the pre-stranding period and linear regression from drifters, the median carcass recovery rate is 0.26, 95% IC [0.22 - 0.29], which means that for each stranding, the carcass non-recovery rate varies from 0.78 to 0.71. The range between 265 to 350 estimates the total of carcasses from 77 strandings observed from 2003 to 2021. The record year of strandings was 2014 (n = 14). About 52% of records occurred in summer, and January is the month with the highest occurrence of strandings. Of the conclusive diagnoses (n = 43), around 77% (n = 33) were attributed to incidental capture in gillnets. Estimating the number of carcasses based on stranding records is essential for population viability analyses and conservation purposes, especially considering small and isolated populations as in the present study. To prevent local extinction, a solution to avoid incidental capture, especially along summers, must be addressed quickly.","PeriodicalId":17967,"journal":{"name":"Latin American Journal of Aquatic Mammals","volume":"123 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79393404","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Professor Júlio Ernesto Baumgarten","authors":"Hernani Gomes da Cunha Ramos, Adriana Castaldo Colosio, Milton César Calzavara Marcondes, Fábio Conceição Fontes, Cristiano Gil Dapper, Rodrigo De Oliveira Campos, Renato David Ghisolfi, Ricardo Siqueira Bovendorp","doi":"10.5597/lajam00290","DOIUrl":"https://doi.org/10.5597/lajam00290","url":null,"abstract":"This is an obituary for Professor Júlio Ernesto Baumgarten ","PeriodicalId":17967,"journal":{"name":"Latin American Journal of Aquatic Mammals","volume":"72 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87270377","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Guidelines to merge stranding databases: the case of franciscana (Pontoporia blainvillei) in the extreme South of Brazil","authors":"Ingrid Schommer Penha, Danielle S. Monteiro, Eduardo R. Secchi, Sergio C. Estima, Paul G. Kinas","doi":"10.5597/lajam00289","DOIUrl":"https://doi.org/10.5597/lajam00289","url":null,"abstract":"Strandings of several species of marine mammals have been monitored over the years off the south coast of Rio Grande do Sul State, southern Brazil. A long time series of records implies extensive databases on strandings. In the region, these databases are maintained by two institutions: (i) Núcleo de Educação e Monitoramento Ambiental (NEMA) [Environmental Education and Monitoring Nucleus] and (ii) Laboratório de Ecologia e Conservação da Megafauna Marinha (ECOMEGA) [Ecology and Conservation of Marine Mefagauna Laboratory] at the Federal University of Rio Grande – FURG. In order to make the time series as complete as possible and to make it a reliable source for research related to a particular species and region, the present work proposes a methodology for unifying both databases for franciscana (Pontoporia blainvillei) for the period 2000 - 2020 (NEMA, n = 3,029; FURG, n = 4,629). To build the unified database, specific metrics were outlined for the species and region, in order to confirm a ‘match’ of a record. The ‘match’ variable is a subjective value that classifies the resighting of a stranded animal as excellent (1), good (2), or regular (3). With the implementation of guidelines to merge stranding databases 1,812 ‘excellent’ and 97 ‘good’ combinations were recorded. Sixty records classified as 30 ‘regular’ matches were kept in the database, as they are possibly not recounts due to large differences in our primary and secondary metrics. To characterize a reliable match between distinct databases, the general guidelines outlined here need to be adapted according to the species of interest and the specificities of each monitoring program. The methodology developed to unify the databases had as its main objective the identification of matches.","PeriodicalId":17967,"journal":{"name":"Latin American Journal of Aquatic Mammals","volume":"522 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76537511","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Abundance and spatial distribution of baleen and sperm whales in the Peruvian sea: a historical review","authors":"Sarai Cortez Casamayor, Chiara Guidino, A. Pacheco","doi":"10.5597/lajam00285","DOIUrl":"https://doi.org/10.5597/lajam00285","url":null,"abstract":"Historical accounts of large whales in Peruvian waters existed before modern commercial whaling. Research on baleen and sperm (Physeter macrocephalus) whales was intense during whaling, thus producing essential knowledge on these species. The populations of large whales have declined considerably with whaling pressure since 1925 in Peruvian waters. After the whaling moratorium in 1985, research on these species decreased, and a considerable gap in knowledge exists until nowadays. This review aims to conduct a historical analysis of the spatial distribution and abundance of baleen and sperm whales in the waters of Peru. During whaling, sperm whale distribution and abundance received most of the research effort as this species was the most important target of the whaling fleet. Also, blue (Balaenoptera musculus) and Bryde’s whale (B. edeni brydei) were considered abundant in Peru. Changes in their distribution and abundance were evaluated mainly based on captures or climatic events. Following the cessation of whaling, sightings of these species were restricted to occasional surveys, limiting the assessment of possible current changes in their distribution and abundance, as well as the updating of existing information. Humpback whales (Megaptera novaeangliae) were considered overexploited at the beginning of commercial whaling. After the moratorium, this species population started to grow, expanding its distribution along the northern coast. Currently, the humpback whale is the most studied species due to the onset of whale-watching activities in 2009. This allowed us to update and increase the knowledge about its distribution and abundance in northern Peru. The findings of this study point at a need to considerably increase the research effort on large whales, particularly surveys to estimate population sizes of the species inhabiting the waters of Peru.","PeriodicalId":17967,"journal":{"name":"Latin American Journal of Aquatic Mammals","volume":"17 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80468406","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Sperm whale, Physeter macrocephalus, harassment by killer whales, Orcinus orca, in the western South Atlantic Ocean","authors":"F. Sucunza, A. Andriolo, L. Dalla Rosa, Franciele Rezende de Castro, D. Danilewicz, Alexandre Novaes Zerbini","doi":"10.5597/lajam00286","DOIUrl":"https://doi.org/10.5597/lajam00286","url":null,"abstract":"Federico Sucunza1,2*, Artur Andriolo1,3, Luciano Dalla Rosa4 , Franciele Rezende de Castro1, Daniel Danilewicz1,2 and Alexandre Novaes Zerbini1,5,6 1Instituto Aqualie. R. José Lourenço Kelmer 1300, salas 110, 112, 114, 36036-330 Juiz de Fora, MG, Brazil 2Grupo de Estudos de Mamíferos Aquáticos do Rio Grande do Sul. R. Saldanha da Gama 937, 95560-000 Torres, RS, Brazil 3Laboratório de Ecologia Comportamental e Bioacústica, Departamento de Zoologia, Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora UFJF, 36036-900 Juiz de Fora, MG, Brazil 4Laboratório de Ecologia e Conservação da Megafauna Marinha, Instituto de Oceanografia, Universidade Federal do Rio Grande FURG, 96203-900 Rio Grande, RS, Brazil 5Cooperative Institute for Climate, Ocean and Ecosystem Studies, University of Washington & Marine Mammal Laboratory Alaska Fisheries Science Center/NOAA. 7600 Sand Point Way NE, Seattle, WA 98115, USA 6Marine Ecology and Telemetry Research. 2468 Camp McKenzie Tr NW, Seabeck WA 98380, USA","PeriodicalId":17967,"journal":{"name":"Latin American Journal of Aquatic Mammals","volume":"59 10 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82782504","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}