A5081445930- Wildlife Ecology and Conservation
- Species Distribution and Climate Change
- Amphibian and Reptile Biology
- Primate Behavior and Ecology
- Animal Behavior and Reproduction
- Water Resource Management and Quality
- Turtle Biology and Conservation
- Animal Ecology and Behavior Studies
- Scarabaeidae Beetle Taxonomy and Biogeography
- Marine animal studies overview
- Animal Law and Welfare
- Evolution and Paleontology Studies
- Cephalopods and Marine Biology
- Bat Biology and Ecology Studies
- Animal and Plant Science Education
- Coral and Marine Ecosystems Studies
- Ecology and Vegetation Dynamics Studies
- Plant and soil sciences
- Environmental and Cultural Studies in Latin America and Beyond
- Environmental and sustainability education
- Wildlife-Road Interactions and Conservation
- Avian ecology and behavior
Universidad Nacional de Colombia
2012-2024
Pontificia Universidad Javeriana
2020-2023
Corporación Universitaria del Meta
2020
Anolis lizards are one of the most diverse vertebrate genera and classic example adaptive radiation convergent evolution. Anoles exhibit great morphological diversity produced by ecological opportunity to exploit several arboreal niches. Anole in Caribbean islands is well studied, but mainland less understood. We used a large data set molecular phylogeny describe diversification anoles from northwestern South America, region with highest anole on mainland. as summarized ten morphotypes,...
Abstract Habitat fragmentation and loss affect population stability demographic processes, increasing the extinction risk of species. We studied A nolis heterodermus populations inhabiting large small ndean scrubland patches in three fragmented landscapes S abana de B ogotá ( C olombia) to determine effect habitat on dynamics. used capture‐mark‐recapture method multistate models estimate vital rates for each population. estimated growth rate most important processes that λ by elasticity...
Anolis heterodermus is a poorly known, high elevation anole lizard from northern Andes, currently under threat due to habitat destruction. Although it has been suggested that this taxon corresponds species complex, different evolutionary lineages have not identified. We examined phylogenetic relationships between individuals of A. the Eastern and Central Cordilleras Colombia other series using mitochondrial DNA (partial ND2 gene with adjacent tRNA genes partial COI gene) nuclear RAG1...
The Anolis heterodermus group comprises eight big-headed and short-legged lizard species from the highlands of northernmost South American Andes. Recent studies revealed unknown lineages within this that had previously been categorized as a complex. By widely sampling applying an integrative taxonomic framework, we (1) assessed diversity using molecular dataset (two mitochondrial one nuclear markers) along with inclusive morphological study (scalation, scale configuration ornamentation,...
Abstract The coexistence of several anoles in the same place is attributed to differential partitioning resources. Although mainland and island communities show a similar structure, differences life-history traits, absence niche complementarity, higher food supply numbers predators environments support idea that predation, rather than competition, more important structuring force anole communities. To analyse pattern ecological structure communities, we studied three tropical rain forests...
Abstract Background The Orinoco crocodile ( Crocodylus intermedius) is the largest and most threatened by extinction in Neotropics due to overexploitation for skin trade during early–middle twentieth century. Knowledge of their ecology poor Colombia because long-term armed conflict has restricted fieldwork. In 2015, we reintroduced four captive-reared adult crocodiles, each equipped with a Sirtrack KiwiSat 202 satellite transmitter monitored movements from 2015 2018. Results Seasonal were as...
<p>Se presenta una caracterización de la fauna reptiles del valle seco río Magdalena en el departamento Huila, así como comparación faunística entre unidades cobertura vegetal y épocas climáticas. Se registraron 31 especies pertenecientes a 30 géneros, 17 familias dos órdenes. En orden Squamata, familia más diversa fue Teiidae (lagartijas) con tres Colubridae (serpientes) nueve. Para Testudines se registró especie. Con base curvas acumulación los estimadores no paramétricos Jackknife 2...
An inventory of reptiles that occur below 1000 m was conduced in Yacopí, Cundinamarca, Colombia. We recorded 47 species (26 lizards, 19 snakes, one amphisbaenian and turtle). The richest family Colubridae the genus Norops. Fauna grouped according to its distribution as: trans-Andean (those western side Cordillera Oriental) widespread on both eastern sides mountain range). Lizards dominate first group snakes second. found 2000 is upper limit Colombia for reported herein.
In Venezuela, Antillean manatees (Trichechus manatus manatus) have declined mainly due to habitat loss and degradation, but other threats the species persist. The objective of this work was investigate manatee distribution conservation issues in Maracaibo Lake, Venezuela. Aiming collect evidence on presence, we conducted 404.14 hours boat-based surveys observations from shore during 2003, 2004, 2009, 2010. Environmental parameters were collected areas where observed including pH,...
Debido a las condiciones climáticas y ecológicas favorables de los ecosistemas colombianos, la población hipopótamos introducida en años 80 el país, se ha incrementado ahora distribuye desde valle medio del río Magdalena Antioquia hasta depresión momposina Bolívar. Recientemente, gobierno nacional declaró al hipopótamo como una especie invasora por efectos negativos que causa su presencia ecosistemas, medios subsistencia vida personas. Se hizo un extenso estudio demográfico para determinar...
Urbanization causes transformations in wildlife habitat, provoking alterations the population dynamics which results declines and local extinctions. However, some studies Andean gymnophthalmid lizards highlight occupation of highly transformed habitats, suggesting a possible urban tolerance species. Here we show case study using capture-mark-recapture sampling on two populations endemic Colombian lizard Riama striata, each facing different anthropic pressures. Despite urbanization, striata...
An amendment to this paper has been published and can be accessed via the original article.