Zobrazeno 1 - 10
of 80
pro vyhledávání: '"James A. Ketchum"'
Autor:
Floriaan Devloo‐Delva, Christopher P. Burridge, Peter M. Kyne, Juerg M. Brunnschweiler, Demian D. Chapman, Patricia Charvet, Xiao Chen, Geremy Cliff, Ryan Daly, J. Marcus Drymon, Mario Espinoza, Daniel Fernando, Laura Garcia Barcia, Kerstin Glaus, Blanca I. González‐Garza, Michael I. Grant, Rasanthi M. Gunasekera, Sebastian Hernandez, Susumu Hyodo, Rima W. Jabado, Sébastien Jaquemet, Grant Johnson, James T. Ketchum, Hélène Magalon, James R. Marthick, Frederik H. Mollen, Stefano Mona, Gavin J. P. Naylor, John E. G. Nevill, Nicole M. Phillips, Richard D. Pillans, Bautisse D. Postaire, Amy F. Smoothey, Katsunori Tachihara, Bree J. Tillet, Jorge A. Valerio‐Vargas, Pierre Feutry
Publikováno v:
Ecology and Evolution, Vol 13, Iss 2, Pp n/a-n/a (2023)
Abstract The Bull Shark (Carcharhinus leucas) faces varying levels of exploitation around the world due to its coastal distribution. Information regarding population connectivity is crucial to evaluate its conservation status and local fishing impact
Externí odkaz:
https://doaj.org/article/d26768b5f12c46e98505923f9185624e
Autor:
Marc Aquino‐Baleytó, Vianey Leos‐Barajas, Timo Adam, Mauricio Hoyos‐Padilla, Omar Santana‐Morales, Felipe Galván‐Magaña, Rogelio González‐Armas, Christopher G. Lowe, James T. Ketchum, Héctor Villalobos
Publikováno v:
Ecology and Evolution, Vol 11, Iss 21, Pp 14932-14949 (2021)
Abstract Fine‐scale movement patterns are driven by both biotic (hunting, physiological needs) and abiotic (environmental conditions) factors. The energy balance governs all movement‐related strategic decisions. Marine environments can be better
Externí odkaz:
https://doaj.org/article/cb24885db21d4d4e973b58aaf43c6534
Autor:
Marta D. Palacios, Edgar M. Hoyos-Padilla, Abel Trejo-Ramírez, Donald A. Croll, Felipe Galván-Magaña, Kelly M. Zilliacus, John B. O’Sullivan, James T. Ketchum, Rogelio González-Armas
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
Abstract Munk’s pygmy devil rays (Mobula munkiana) are medium-size, zooplanktivorous filter feeding, elasmobranchs characterized by aggregative behavior, low fecundity and delayed reproduction. These traits make them susceptible to targeted and by-
Externí odkaz:
https://doaj.org/article/4fd284cd1cb148a2869c06adeacbb2e8
Autor:
Miguel de Jesús Gómez-García, María del Carmen Blázquez-Moreno, Joshua David Stewart, Vianey Leos-Barajas, Iliana Araceli Fonseca-Ponce, Aldo Alfonso Zavala-Jiménez, Karen Fuentes, James T. Ketchum
Publikováno v:
Frontiers in Marine Science, Vol 8 (2021)
Manta rays (Mobula birostris, Mobula. cf. birostris, and Mobula alfredi), the largest mobulid rays, are subjected to exploitation and overfishing in certain parts of the world. Tourism has been supported as a sustainable alternative for the conservat
Externí odkaz:
https://doaj.org/article/36d8d6c4ab8f48359dcc17d196591768
Autor:
Marta Cambra, Frida Lara-Lizardi, César Peñaherrera-Palma, Alex Hearn, James T. Ketchum, Patricia Zarate, Carlos Chacón, Jenifer Suárez-Moncada, Esteban Herrera, Mario Espinoza
Publikováno v:
PLoS ONE, Vol 16, Iss 11 (2021)
Understanding the link between seamounts and large pelagic species (LPS) may provide important insights for the conservation of these species in open water ecosystems. The seamounts along the Cocos Ridge in the Eastern Tropical Pacific (ETP) ocean ar
Externí odkaz:
https://doaj.org/article/eb1939a362034f149220705053c1e155
Autor:
Brittany Tholan, Peter Carlson, JJ Adolfo Tortolero-Langarica, James T Ketchum, Abel Trejo-Ramírez, Erendira Aceves-Bueno, Jennifer E Caselle
Publikováno v:
Ciencias Marinas, Vol 46, Iss 4 (2020)
The Islas Marías Biosphere Reserve, made up of 4 islands in Pacific waters off central Mexico, supports a large diversity of marine life. However, scientific research was restricted for decades by the occupation of Isla María Madre by the Federal P
Externí odkaz:
https://doaj.org/article/54fc30641d9c45afbce5ab337a69150f
Autor:
Juan P. Rodriguez‐Arana Favela, Sebastián Hernández, Rogelio González‐Armas, Felipe Galván‐Magaña, Arturo Tripp‐Valdez, Mauricio Hoyos‐Padilla, James T. Ketchum
Publikováno v:
Journal of Fish Biology. 101:1623-1627
This study describes the genetic diversity and level of genetic differentiation of the scalloped hammerhead shark Sphyrna lewini from eight putative nursery areas in the Mexican Pacific Ocean, using the mtDNA control region. Genetic analyses revealed
Autor:
James T. Ketchum, Christina J. Slager, Michele L. Buckhorn, Andrew P. Nosal, A. Peter Klimley
Publikováno v:
Animal Biotelemetry, Vol 5, Iss 1, Pp 1-9 (2017)
Abstract Background Sevengill sharks are common inhabitants of estuaries and coastal areas and particularly abundant in San Francisco Bay (SFB). There is limited knowledge about the level of residency and migratory movements of this species. We descr
Externí odkaz:
https://doaj.org/article/2465f25fb8da412eb630213174fcf861
Autor:
Darren A. Whitehead, Joel H. Gayford, Edgar Mauricio Hoyos, Nikolai Madland Shorter, Felipe Galván-Magaña, James T. Ketchum
Publikováno v:
Environmental Biology of Fishes. 105:953-960
Autor:
Elena Nalesso, Alex Hearn, Oscar Sosa-Nishizaki, Todd Steiner, Alex Antoniou, Andrew Reid, Sandra Bessudo, Germán Soler, A Peter Klimley, Frida Lara, James T Ketchum, Randall Arauz
Publikováno v:
PLoS ONE, Vol 14, Iss 3, p e0213741 (2019)
Many species of sharks form aggregations around oceanic islands, yet their levels of residency and their site specificity around these islands may vary. In some cases, the waters around oceanic islands have been designated as marine protected areas,
Externí odkaz:
https://doaj.org/article/22708462d3f541cb9596bf6c1eac2f44