Results 71 to 80 of about 907 (172)

Digestive proteases of Morelet’s crocodile (Crocodylus moreletii) in three life stages

open access: yesRevista de Biología Tropical
Introduction: Morelet’s crocodile (Crocodylus moreletii) is a species distributed in the Mexican southeast and threatened due to multiple pressures. Objective: To characterize the digestive proteases in the acid phase (stomach) and alkaline phase (intestine) of three life stages of C. moreletii in captivity (hatchling, juvenile, and adult).
Manuel Alejandro Castillo-Rodríguez   +5 more
openaire   +2 more sources

Testing the Utility of Gaussian Mixture Models in Parataxonomic Classification of Fossil Eggs [PDF]

open access: yes, 2021
Fossil eggs and eggshells are very seldom associated with skeletal or dermal remains and can rarely be assigned taxonomically. This has resulted in oologists creating an alternative classification system for fossil eggs and eggshells: the parataxonomy of
Baddeley, Roland J   +2 more
core   +3 more sources

Community engagement and human perception in crocodile conservation: preliminary steps in Sian Ka’an Biosphere Reserve

open access: yesFrontiers in Conservation Science
IntroductionWildlife tourism is important for the conservation of protected areas, endangered species, and to empower local communities. Nevertheless, when guidelines and practices are not clear and correctly executed, tourism may have a negative impact ...
Javier Arturo Benítez-Moreno   +2 more
doaj   +1 more source

Variación genética y conservación de una población de Crocodylus moreletii en cautiverio [PDF]

open access: yes, 2011
Inbreeding is a frequent problem in isolated or captive populations, therefore it is necessary to implement strategies to minimize its incidence. Morelet´s crocodile, Crocodylus moreletii, is exploited in captivity and conservation of genetic variation ...
Díaz-Rivera, Pablo   +1 more
core   +2 more sources

Variabilidad genética de poblaciones en cautiverio de Crocodylus moreletii (Crocodylia: Crocodylidae) mediante el uso de marcadores microsatelitales

open access: yesRevista de Biología Tropical, 2012
Crocodylus moreletii representa un emblema para los ecosistemas tropicales de México pero actualmente está amenazada por extinción. Sorprendentemente, hay una falta de información de su constitución genética, que debe ser evaluada para un manejo ...
Ricardo Serna-Lagunes   +2 more
doaj  

Environmental education for basic education students and perception of the adult rural population about Crocodylus acutus (Cuvier, 1807) (Crocodylia: Crocodylidae) in Sinaloa, Mexico [PDF]

open access: yes
Debido a presiones antropogénicas, la vida silvestre enfrenta retos al compartir recursos y hábitat con los humanos, lo que lleva a generar conflictos entre ellos.
Castañeda de los Santos, Gustavo   +10 more
core   +2 more sources

Body size as a driver of scavenging in theropod dinosaurs [PDF]

open access: yes, 2016
This work was funded by the Earth and Natural Sciences Doctoral Studies Programme and the Higher Education Authority through the Programme for Research at Third Level Institutions, Cycle 5 (PRTLI‐5), and cofunded by the European Regional Development Fund
Healy, Kevin   +3 more
core   +1 more source

Tick Infection of Caiman crocodilus fuscus at the Hidroprado Hydroelectric Dam in Colombia: New Records, Parasite Prevalence, and Blood Loss Rate [PDF]

open access: yes, 2020
The main goal of this research was to identify the hard ticks (Acari: Ixodidae) found in 10 individuals of spectacled caiman (Caiman crocodilus fuscus) from 349 individuals captured at the Hidroprado hydroelectric dam in the Department of Tolima ...
Mora Rivera, Nohora Cristina   +4 more
core   +1 more source

A review of ectoparasites (Acari and Hirudinea) associated with herpetofauna in the Mexican Yucatan Peninsula [PDF]

open access: yes
Ectoparasites are common on herpetofauna and can cause skin lesions, thermoregulatory complications,and hinder growth. Herein we present records from the literature and new data from the Calakmul Biosphere Reserveon ectoparasites of herpetofauna in the ...
Barão-Nóbrega, José António L.   +5 more
core   +2 more sources

Multiple Paternity in a Reintroduced Population of the Orinoco Crocodile (Crocodylus intermedius) at the El Frío Biological Station, Venezuela [PDF]

open access: yes, 2016
The success of a reintroduction program is determined by the ability of individuals to reproduce and thrive. Hence, an understanding of the mating system and breeding strategies of reintroduced species can be critical to the success, evaluation and ...
Alda, Fernando   +11 more
core   +4 more sources

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