F. Petrozzi, E. Hema, G. Segniagbeto, N. Amadi, G. Akani, R. Burke, L. Chirio, L. Luiselli
Abstract To better understand the habitat preferences of the African spurred tortoise (Centrochelys sulcata), we tested possible associations between their distribution and land use, vegetation cov...
{"title":"Correlates of African Spurred Tortoise, Centrochelys sulcata, Occurrence in the West African Sahel","authors":"F. Petrozzi, E. Hema, G. Segniagbeto, N. Amadi, G. Akani, R. Burke, L. Chirio, L. Luiselli","doi":"10.2744/CCB-1302.1","DOIUrl":"https://doi.org/10.2744/CCB-1302.1","url":null,"abstract":"Abstract To better understand the habitat preferences of the African spurred tortoise (Centrochelys sulcata), we tested possible associations between their distribution and land use, vegetation cov...","PeriodicalId":50703,"journal":{"name":"Chelonian Conservation and Biology","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2019-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48052428","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The Asian giant softshell turtle, Pelochelys cantorii (Trionychidae), is endangered and was designated as a First Grade Protected Animal in China in 1989 and listed as Endangered on the International Union for Conservation of Nature Red List in 2000; the species has suffered a gradual reduction in its range, its total population has decreased, and the need to protect this species has been ignored. We investigated 13 nature reserves with P. cantorii as the main object of protection and 5 captive-breeding centers; we also present the results from a questionnaire sent to one nature reserve. We summarize the distribution and habitat characteristics, evaluate the species' conservation status in each nature reserve, analyze the causes of extinction, and put forward our proposal for the protection of P. cantorii.
{"title":"Conservation Status of the Asian Giant Softshell Turtle (Pelochelys cantorii) in China","authors":"X. Hong, Xiaodan Cai, Chen Chen, Xiaoli Liu, Zhao Jian, Quanbo Qiu, Xinping Zhu","doi":"10.2744/CCB-1365.1","DOIUrl":"https://doi.org/10.2744/CCB-1365.1","url":null,"abstract":"The Asian giant softshell turtle, Pelochelys cantorii (Trionychidae), is endangered and was designated as a First Grade Protected Animal in China in 1989 and listed as Endangered on the International Union for Conservation of Nature Red List in 2000; the species has suffered a gradual reduction in its range, its total population has decreased, and the need to protect this species has been ignored. We investigated 13 nature reserves with P. cantorii as the main object of protection and 5 captive-breeding centers; we also present the results from a questionnaire sent to one nature reserve. We summarize the distribution and habitat characteristics, evaluate the species' conservation status in each nature reserve, analyze the causes of extinction, and put forward our proposal for the protection of P. cantorii.","PeriodicalId":50703,"journal":{"name":"Chelonian Conservation and Biology","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2019-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44696650","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Armando J. B. Santos, Cláudio Bellini, Luis F.W. Bortolon, Barb Outerbridge, Darren C. Browne, Alexsandro Santos, A. Meylan, P. Meylan, Berenice M.G. Silva, Juçara Wanderlinde, E. H. Lima, C. Baptistotte, M. Marcovaldi
The understanding of developmental and reproductive migrations of sea turtles is essential for effective protection and conservation efforts. Flipper tags remain a valuable method for detecting movements and migrations because they are cost-effective and conspicuous, allowing the detection of a tagged animal by any person worldwide. Here we report 13 flipper-tag recoveries for Brazilian hawksbill (Eretmochelys imbricata) turtles that augment the body ofinformation on the migratory nature of this species and provide new growth-rate data.
{"title":"Long-Range Movements and Growth Rates of Brazilian Hawksbill Turtles: Insights from a Flipper-Tagging Program","authors":"Armando J. B. Santos, Cláudio Bellini, Luis F.W. Bortolon, Barb Outerbridge, Darren C. Browne, Alexsandro Santos, A. Meylan, P. Meylan, Berenice M.G. Silva, Juçara Wanderlinde, E. H. Lima, C. Baptistotte, M. Marcovaldi","doi":"10.2744/CCB-1343.1","DOIUrl":"https://doi.org/10.2744/CCB-1343.1","url":null,"abstract":"The understanding of developmental and reproductive migrations of sea turtles is essential for effective protection and conservation efforts. Flipper tags remain a valuable method for detecting movements and migrations because they are cost-effective and conspicuous, allowing the detection of a tagged animal by any person worldwide. Here we report 13 flipper-tag recoveries for Brazilian hawksbill (Eretmochelys imbricata) turtles that augment the body ofinformation on the migratory nature of this species and provide new growth-rate data.","PeriodicalId":50703,"journal":{"name":"Chelonian Conservation and Biology","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2019-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42094466","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
D. Farias, Ana Emília Barboza Alencar, Aline da Costa Bomfim, A. Fragoso, S. Rossi, S. Rossi, G. J. Moura, Simone Almeida Gavilan, F. Silva
Abstract We described aspects of spatial distribution, composition, and seasonality of sea turtle species stranded in the Rio Grande do Norte and Ceara States Basin (“Potiguar Basin”), northeastern...
{"title":"Marine Turtles Stranded in Northeastern Brazil: Composition, Spatio-Temporal Distribution, and Anthropogenic Interactions","authors":"D. Farias, Ana Emília Barboza Alencar, Aline da Costa Bomfim, A. Fragoso, S. Rossi, S. Rossi, G. J. Moura, Simone Almeida Gavilan, F. Silva","doi":"10.2744/CCB-1309.1","DOIUrl":"https://doi.org/10.2744/CCB-1309.1","url":null,"abstract":"Abstract We described aspects of spatial distribution, composition, and seasonality of sea turtle species stranded in the Rio Grande do Norte and Ceara States Basin (“Potiguar Basin”), northeastern...","PeriodicalId":50703,"journal":{"name":"Chelonian Conservation and Biology","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2019-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42903797","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
M. Semeñiuk, R. Sánchez, M. Cassano, E. Palumbo, Leandro Alcalde
Abstract The present study characterizes a population of Hydromedusa tectifera in a human-disturbed stream in Buenos Aires province, Argentina. We analyzed the variation of abundance, sex ratio, bo...
{"title":"Abundance and Population Structure of Hydromedusa tectifera Cope 1869 in a Highly Anthropogenic Environment in Argentina","authors":"M. Semeñiuk, R. Sánchez, M. Cassano, E. Palumbo, Leandro Alcalde","doi":"10.2744/CCB-1318.1","DOIUrl":"https://doi.org/10.2744/CCB-1318.1","url":null,"abstract":"Abstract The present study characterizes a population of Hydromedusa tectifera in a human-disturbed stream in Buenos Aires province, Argentina. We analyzed the variation of abundance, sex ratio, bo...","PeriodicalId":50703,"journal":{"name":"Chelonian Conservation and Biology","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2019-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46566943","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Gift Simon Demaya, John Sebit Benansio, T. Lado, Tomas Diagne, D. Dendi, L. Luiselli
Abstract The Nubian flapshell turtle, Cyclanorbis elegans, is one of the rarest turtle species in the world and has even been considered as possibly extinct because no free-ranging individuals have...
{"title":"Rediscovery of the Nubian Flapshell Turtle (Cyclanorbis elegans) in South Sudan","authors":"Gift Simon Demaya, John Sebit Benansio, T. Lado, Tomas Diagne, D. Dendi, L. Luiselli","doi":"10.2744/18.1.62","DOIUrl":"https://doi.org/10.2744/18.1.62","url":null,"abstract":"Abstract The Nubian flapshell turtle, Cyclanorbis elegans, is one of the rarest turtle species in the world and has even been considered as possibly extinct because no free-ranging individuals have...","PeriodicalId":50703,"journal":{"name":"Chelonian Conservation and Biology","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2019-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47866073","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Abstract In a previous study it was shown that loggerhead (Caretta caretta) eggs exposed during embryonic development to a distorted magnetic field produced hatchlings incapable of using magnetic i...
{"title":"A Brief Exposure to Magnetic Distortions During Embryonic Development May Compromise the Migration of Loggerhead Hatchlings","authors":"M. Salmon","doi":"10.2744/CCB-1369.1","DOIUrl":"https://doi.org/10.2744/CCB-1369.1","url":null,"abstract":"Abstract In a previous study it was shown that loggerhead (Caretta caretta) eggs exposed during embryonic development to a distorted magnetic field produced hatchlings incapable of using magnetic i...","PeriodicalId":50703,"journal":{"name":"Chelonian Conservation and Biology","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2019-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44983643","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
D. Booth, J. Oñate-Casado, Mohd Uzair Rusli, T. Stewart
Swimming behavior and speed of green turtle (Chelonia mydas) and hawksbill turtle (Eretmochelys imbricata) hatchlings swimming offshore were compared between individuals that were free swimming and the same individuals towing a float. Towing a float did not influence swimming behavior in either species, but decreased swimming speed by 20% in green turtles and 50% in hawksbill turtles.
{"title":"Towing a Float Decreases Swim Speed but Does Not Affect Swimming Behavior During Offshore Swimming in Sea Turtle Hatchlings","authors":"D. Booth, J. Oñate-Casado, Mohd Uzair Rusli, T. Stewart","doi":"10.2744/CCB-1350.1","DOIUrl":"https://doi.org/10.2744/CCB-1350.1","url":null,"abstract":"Swimming behavior and speed of green turtle (Chelonia mydas) and hawksbill turtle (Eretmochelys imbricata) hatchlings swimming offshore were compared between individuals that were free swimming and the same individuals towing a float. Towing a float did not influence swimming behavior in either species, but decreased swimming speed by 20% in green turtles and 50% in hawksbill turtles.","PeriodicalId":50703,"journal":{"name":"Chelonian Conservation and Biology","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2019-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48230197","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
K. Oki, T. Hamabata, T. Arata, D. Parker, C. Ng, G. Balazs
Abstract During late June and July in 2015, we tracked the postnesting migrations of 5 loggerhead turtles (Caretta caretta) and 5 green turtles (Chelonia mydas) from a beach on Amami-Oshima Island ...
{"title":"Inferred Adult Foraging Grounds of Two Marine Turtle Species Nesting at Amami-Oshima, Japan","authors":"K. Oki, T. Hamabata, T. Arata, D. Parker, C. Ng, G. Balazs","doi":"10.2744/CCB-1337.1","DOIUrl":"https://doi.org/10.2744/CCB-1337.1","url":null,"abstract":"Abstract During late June and July in 2015, we tracked the postnesting migrations of 5 loggerhead turtles (Caretta caretta) and 5 green turtles (Chelonia mydas) from a beach on Amami-Oshima Island ...","PeriodicalId":50703,"journal":{"name":"Chelonian Conservation and Biology","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2019-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43442275","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Abstract Mohave Desert Tortoises (Gopherus agassizii) actively consume calcium-rich soil, bones, and stones, but this “mining” behavior is not well described for Sonoran Desert Tortoises (Gopherus ...
{"title":"Seasonal Timing of Consumption of Calcium-Rich Caliche in the Sonoran Desert Tortoise (Gopherus morafkai) in Central Arizona","authors":"B. Sullivan, T. Cahill","doi":"10.2744/CCB-1339.1","DOIUrl":"https://doi.org/10.2744/CCB-1339.1","url":null,"abstract":"Abstract Mohave Desert Tortoises (Gopherus agassizii) actively consume calcium-rich soil, bones, and stones, but this “mining” behavior is not well described for Sonoran Desert Tortoises (Gopherus ...","PeriodicalId":50703,"journal":{"name":"Chelonian Conservation and Biology","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2019-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43290925","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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