Results 51 to 60 of about 853 (184)

Filogeografia del cocodrilo aguja (Crocodylus acutus) en Colombia basado en secuencias de ADN mitocondrial [PDF]

open access: yes, 2016
El cocodrilo americano (Crocodylus acutus), fue un habitante natural de hábitats acuáticos de gran parte del neotrópico. Sin embargo, actividades humanas han impactado severamente sus poblaciones en todo el rango distribucional.
Viloria-Lagares, Thomas
core  

EL “COCODRILO DE TUMBES” (Crocodylus acutus Cuvier 1807): ESTUDIO PRELIMINAR DE SU ESTADO ACTUAL EN EL NORTE DE PERÚ. [PDF]

open access: yes, 2016
De Junio del 2002 a Febrero del 2003, se han realizado recorridos en la zona norte de Perú, específicamente en la región de Tumbes, para conocer el estado actual de Crocodylus acutus, mediante recorridos diurnos y nocturnos, estimando una densidad de 0 ...
Escobedo Galván, Armando H.   +1 more
core   +1 more source

Density Estimates of Endangered Endemic Rodents Suggest Broader Impacts of Invasive Burmese Pythons Following a Category 4 Hurricane in the Florida Keys

open access: yesBiological Diversity, Volume 3, Issue 2, Page 88-98, June 2026.
Density estimates of two endangered rodent subspecies, endemic to Key Largo, Florida, USA. These findings illustrate the contrasting dynamics of two native species associated with the prevalence of invasive Burmese pythons and global change. The woodrats' decline emphasizes its potential risk of extinction as global change continues to impact island ...
Shauna M. Sayers   +5 more
wiley   +1 more source

Cocodrilos en Costa Rica: ¿poblaciones o metapoblación?

open access: yesCiencias Ambientales, 2007
Dado el conocimiento que existe sobre la capacidad de movilización de Crocodylus acutus, se llevó a cabo una investigación a nivel genético para determinar si entre las poblaciones de cocodrilos de tres ríos del Pacífico central de Costa Rica se presenta
Laura Porras
doaj   +1 more source

Estado poblacional de Crocodylus acutus Cuvier y Caiman crocodilus fuscus (Cope) en Puerto Badel y Correa, Bolívar, Colombia [PDF]

open access: yes, 2020
Se evaluaron la distribución espacial, la abundancia relativa y la estructura de tallas de Crocodylus acutus y Caiman crocodilus fuscus en Puerto Badel y Correa, Bolívar, mediante conteos mensuales nocturnos con lámparas en cuatro rutas de muestreo entre
Bermúdez, Adriana   +3 more
core   +1 more source

Climatic Niche Modelling Reveals Limited Phylogenetic Niche Conservatism in New World Crocodylians

open access: yesJournal of Biogeography, Volume 53, Issue 6, June 2026.
ABSTRACT Aim Phylogenetic niche conservatism, the tendency of closely related species to retain ancestral ecological traits, has gained considerable interest, yet the lack of integration across independent evaluation methods has hindered our understanding of whether niches are conserved or dynamic.
Andrés L. Rodriguez‐Cordero   +9 more
wiley   +1 more source

Distribución y estado de conservación del cocodrilo americano (Crocodylidae: Crocodylus acutus) en El Salvador

open access: yesCuadernos de investigación UNED, 2022
Introducción: El cocodrilo americano (Crocodylus acutus) es un depredador de alto nivel y puede ser considerado una especie clave en sus ecosistemas. Aunque la especie se ha estudiado a menudo en otros lugares, hay poca información sobre su distribución
Vladlen Henríquez   +2 more
doaj   +1 more source

The Case of the Missing Green Iguana Predators: Reviews of Ecological Literature Should Go Beyond Google Scholar

open access: yesThe Bulletin of the Ecological Society of America, Volume 107, Issue 2, April 2026.
Abstract Knowing about species interactions is essential for ecological research, conservation efforts, resource management, and maintaining healthy ecosystems, but many of these, such as reports of predation, may not always be published in easily located resources—if they are published at all.
Matthijs P. van den Burg, Hinrich Kaiser
wiley   +1 more source

Contributions to the nutrition of the American crocodile Crocodylus acutus (Cuvier, 1807) in captivity

open access: yesLatin American Journal of Aquatic Research, 2018
In this work we evaluated the essential amino acid profile of muscle Crocodylus acutus and calculated their chemical score of main proteins used in their diet in captivity. The separation and identification of amino acids was carried out by high performance liquid chromatography coupled to a fluorescence detector.
Hernández-Hurtado, Pablo S.   +7 more
openaire   +2 more sources

Exploring the morphological variation of the hybrids between Crocodylus acutus and Crocodylus moreletii in the Mexican Caribbean through a 2D geometrics morphometric approach [PDF]

open access: yes, 2023
Hybridization between species has been a controversial topic and it has attracted the attention of different areas in evolutionary biology. In México, this process is present in two crocodile species, Crocodylus acutus and Crocodylus moreletii.
Seculi Pereyra, Enzo Emanuel   +1 more
core  

Home - About - Disclaimer - Privacy