Zobrazeno 1 - 10
of 44
pro vyhledávání: '"Roldán A. Valverde"'
Autor:
Helen Pheasey, George Glen, Nicole L. Allison, Luis G. Fonseca, Didiher Chacón, Jaime Restrepo, Roldán A. Valverde
Publikováno v:
Frontiers in Conservation Science, Vol 2 (2021)
Estimates of illegal wildlife trade vary significantly and are often based on incomplete datasets, inferences from CITES permits or customs seizures. As a result, annual global estimates of illegal wildlife trade can vary by several billions of US do
Externí odkaz:
https://doaj.org/article/5fcfdf22e9984d0b9831102b04344281
Publikováno v:
Ecosphere, Vol 12, Iss 8, Pp n/a-n/a (2021)
Abstract Endangered leatherback sea turtles (Dermochelys coriacea) are wide‐ranging, long‐distance migrants whose movements are often associated with environmental cues. We examined the spatial distribution and habitat use for 33 satellite‐trac
Externí odkaz:
https://doaj.org/article/9e7a1813762c469c9fb6edd0be06e9bb
Autor:
Sergio Escobar-Lasso, Luis Fonseca, Wilbert N. Villachica, Hansel Herrera, Roldán A. Valverde, Wagner Quirós-Pereira, Marta Pesquero, Pamela T. Plotkin
Publikováno v:
Mammalogy Notes, Vol 3, Iss 1-2, Pp 20-23 (2016)
Jaguars have been recorded preying on adult female sea turtles on their nesting beaches in Costa Rica, Guyana, Mexico and Suriname (Fretey 1977, Autar 1994, Cuevas et al. 2014, Guildera et al. 2015). Jaguars prey on Green (Chelonia mydas), Olive Ridl
Externí odkaz:
https://doaj.org/article/456144b13055406da1c18f3967ad6aac
Publikováno v:
Journal of Marine Biology, Vol 2014 (2014)
Sea turtle hatching success at mass nesting beaches is typically lower than at solitary nesting beaches, presumably due in part to high rates of microbial metabolism resulting from the large input of organic matter from turtle eggs. Therefore, we tes
Externí odkaz:
https://doaj.org/article/23c16baeecee40569ad4010c1f516ce1
Publikováno v:
Ichthyology & Herpetology. 111
Publikováno v:
Global Change Biology. 27:4849-4859
Sea turtles are among several hundred species whose sex is determined by incubation conditions during critical developmental periods. Consequently, these marine reptiles may be vulnerable to global climate change, and under the assumption of continue
Publikováno v:
Journal of Herpetology. 56
Comprehensive health assessment of green turtles Chelonia mydas nesting in southeastern Florida, USA
Autor:
Ryan M. Chabot, Lawrence H. Herbst, Sydney Stewart, Justin R. Perrault, Christina M. Coppenrath, Nicole I. Stacy, Ashley S. Morgan, Charles A. Manire, Roldán A. Valverde, Annie Page-Karjian, Christopher R. Gregory, Branson W. Ritchie
Publikováno v:
Endangered Species Research, Vol 42, Pp 21-35 (2020)
Important indicators of population health needed for large-scale sea turtle population recovery efforts include demographics, disease and mortality trends, condition indices, and baseline blood data. With this comprehensive health assessment of adult
Autor:
Kenneth J. Lohmann, Wagner Quirós-Pereira, Roldán A. Valverde, Nathan F. Putman, James Umbanhowar, Luis G. Fonseca, Vanessa S. Bézy, Carlos M. Orrego
Publikováno v:
Animal Behaviour. 163:85-94
During the mass nesting of olive ridley sea turtles, Lepidochelys olivacea, thousands of adult females aggregate offshore, then emerge from the ocean together to lay their eggs along small, specific stretches of coastline. Little is known about the m
Autor:
Daniela Rojas-Cañizales, Carmen Mejías-Balsalobre, Nínive Espinoza-Rodríguez, Vanessa S. Bézy, Isabel Naranjo, Randall Arauz, Roldán A. Valverde
Publikováno v:
Marine biology. 169(5)
Costa Rica hosts two renowned olive ridley (