Results 41 to 50 of about 1,201 (175)

Lista anotada y clave para las ranas (género Eleutherodactylus) chocoanas del Valle del Cauca, y apuntes sobre las especies de la Cordillera Occidental adyacente

open access: yesCaldasia, 1999
Twenty-three species of the genus Eleutherodactylus are reported fram 24 localities in the western lowlands of Valle del Cauca, Colombia, with notes on their identificacion and distributions. Up to 16 species have been taken from a single site. The cloud
Lynch John Douglas
doaj  

Environmental and geomorphological drivers of frog diversity on islands worldwide

open access: yesEcography, Volume 2026, Issue 4, April 2026.
Island biogeography models primarily rely on island physical features and isolation to explain their biodiversity patterns. While newer models have incorporated functional traits to understand plant distribution, few empirical studies have tried to disentangle geometric constraints from niche‐based processes to predict multiple diversity facets of ...
Raoni Rebouças   +5 more
wiley   +1 more source

Global impacts of agricultural and timber plantations on dung beetle biodiversity

open access: yesJournal of Applied Ecology, Volume 63, Issue 4, April 2026.
In vulnerable areas, protecting natural forests can help to reduce biodiversity loss. When economic and social contexts, such as in the Neotropical and Oriental regions, hinder conservation strategies, establishing small‐scale plantations of native, structurally diverse species connected to remaining forests may enhance dung beetle diversity, likely ...
Pablo A. López‐Bedoya   +5 more
wiley   +1 more source

Landscape change and conservation priorities: Mexican herpetofaunal perspectives at local and regional scales Cambios en el paisaje y prioridades de conservación: una perspectiva herpetofaunística mexicana a escalas local y regional

open access: yesRevista Mexicana de Biodiversidad, 2009
Few studies have demonstrated historical human impact on biodiversity at local and regional scales, largely due to lack of baseline information and long term monitoring for most taxa.
J. Jesús Sigala-Rodríguez   +1 more
doaj  

What Goes First? Effects of Starvation on the Body Condition of a Neotropical Dung Beetle

open access: yesEntomologia Experimentalis et Applicata, Volume 174, Issue 4, Page 321-328, April 2026.
We investigated how prolonged starvation affects key physiological traits in the dung beetle Dichotomius bos. Prolonged starvation leads to significant reductions in body dry mass and fat reserves, while muscle mass remains unchanged. These findings indicate that dung beetles prioritize the maintenance of locomotor muscles while mobilizing stored ...
Leonardo Vilas‐Bôas M. P. de Cerqueira   +5 more
wiley   +1 more source

Morphological and genetic differentiation among Chilean populations of Bufo spinulosus (Anura: Bufonidae) Diferenciación morfológica y genética entre poblaciones chilenas de Bufo spinulosus (Anura: Bufonidae)

open access: yesRevista Chilena de Historia Natural, 2004
Bufo spinulosus has a wide and fragmented range distribution in Chile (18° to 33° S) along altitudinal and latitudinal gradients. Genetic variation was estimated using RAPD (Random Amplified Polymorphic DNA) markers in 10 populations from ...
Marco A. Méndez   +6 more
doaj  

Simplified, Portable and Cost‐Efficient Airborne eDNA Metabarcoding to Expand Tropical Biodiversity Assessments

open access: yesEnvironmental DNA, Volume 8, Issue 2, March/April 2026.
This study introduces a liquid‐based sampling approach for airborne eDNA (A). Using a greenhouse mock‐community for optimization (B), we use the novel approach in the tropical Andes to demonstrate its versatility and the complementary nature of airborne and aquatic eDNA for molecular biodiversity assessments (C).
Christopher Heine   +6 more
wiley   +1 more source

DESCRIPCIÓN PRELIMINAR DE LA COMPOSICIÓN HERPETOFAUNÍSTICA EN LOCALIDADES PANAMEÑAS IMPACTADAS POR QUITRIDIOMICOSIS

open access: yesTecnociencia, 2017
Se presentan datos sobre la composición de comunidades de anfibios y reptiles en localidades del Parque Nacional Santa Fé (PNSF) y del Parque Nacional General de División Omar Torrijos Herrera (PNGDOTH).
Luis Elizondo
doaj  

Conservation evidence is biased but can support decision‐making for prevalent and severe threats in tetrapods

open access: yesJournal of Applied Ecology, Volume 63, Issue 3, March 2026.
Despite taxonomic and spatial biases, substantial conservation evidence is available to support decision‐making by practitioners, particularly for the most prevalent and severe threats. Given the current biodiversity crisis, it is critical that this information is more widely used and that coordination among academic and practitioner partners is ...
Manuela González‐Suárez   +11 more
wiley   +1 more source

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