Results 1 to 10 of about 5,012 (196)
Aclimatación en cautiverio del sargo Archosargus probatocephalus (Perciformes: Sparidae)
RESUMEN El sargo (Archosargus probatocephalus) es considerada especie prioritaria para el desarrollo de la maricultura en el sureste mexicano. El objetivo del estudio fue reproducir en cautiverio dos lotes de sargos, uno en cautiverio por 12 meses y ...
María de la Luz Merino Contreras
doaj +3 more sources
Ambystoma dumerilii, conocido como “achoque”, es una salamandra microendémica del lago de Pátzcuaro, considerada como en peligro crítico. Las principales amenazas son los altos niveles de contaminación del agua y de eutrofización, además de las ...
Berenice Ramírez-López +4 more
doaj +3 more sources
Extent of threats to marine fish from the online aquarium trade in the United States. [PDF]
The global marine aquarium hobby is a multibillion‐dollar industry, largely driven by demand from the United States. Much of this trade occurs online. We web scraped 4 major US‐based e‐commerce platforms selling marine aquarium fish to determine the retail price and source (wild capture, aquaculture, or both) of 13 families of ray‐finned marine fish ...
Lin B +6 more
europepmc +2 more sources
El objetivo del trabajo fue evaluar la variabilidad morfológica y el crecimiento corporal de 4 poblaciones del cocodrilo de pantano (Crocodylus moreletii) que se encuentran en la Unidad de Manejo para la Conservación de la Vida Silvestre Cacahuatal ...
Ricardo Serna-Lagunes +5 more
doaj +4 more sources
A Dominant Founder Lineage Has Possible Fitness Costs for the Endangered Mexican Grey Wolf. [PDF]
ABSTRACT The Mexican grey wolf (Canis lupus baileyi) is an endangered and genetically distinct subspecies of grey wolf adapted to the warm climates of the southwestern United States and Mexico. Following centuries of eradication efforts, Mexican grey wolves were protected under the Endangered Species Act in 1976, prompting an international ex situ ...
Loera Y +12 more
europepmc +2 more sources
Hobbyist preferences for pet freshwater turtles [PDF]
Abstract The burgeoning pet trade is a primary threat to wild freshwater turtles worldwide. Although the risks from commercial exploitation of turtles have been discussed widely, there is little empirical research on preferences for pet turtles from a hobbyists’ perspective.
Zhao J +7 more
europepmc +2 more sources
Incorporating citizen science into IUCN Red List assessments. [PDF]
Abstract Many citizen scientists are highly motivated to help address the current extinction crisis. Their work is making valuable contributions to protecting species by raising awareness, identifying species occurrences, assessing population trends, and informing direct management actions, such as captive breeding.
Gallagher R +10 more
europepmc +2 more sources
Como un cañón divide una cordillera en dos, mi infancia también tiene dos partes. Mejor dicho, hay dos maneras de verla. Una manera —la primera— es borrosa pero alegre. La otra es clara pero perturbadora. No sé cuál prefiero. Ambas oscurecen la verdad, pero a su modo. Sin duda, yo era un niño consentido, y lo sabía.
openaire +3 more sources
Los encierros son una situación extrema para los primates que usualmente habitan espacios amplios. Para estimar el efecto del encierro en el comportamiento, se observaron 6 monos en un exhibidor del Parque Histórico Guayaquil, de las siguientes ...
Gabriela Torres, Félix Man-Ging
doaj +1 more source
Factors affecting the recovery of Mexican wolves in the Southwest United States
Using management removal to reduce human–carnivore conflict can have negative population impacts if not used judiciously. Recovering and maintaining carnivore populations in shared landscapes may require greater tolerance of conflict and more emphasis on effective conflict prevention strategies and compensation programs for affected stakeholders ...
Stewart W. Breck +6 more
wiley +1 more source

