Results 61 to 70 of about 8,745 (216)

La conservación de mamíferos medianos en dos reservas ecológicas privadas de Veracruz, México

open access: yesRevista Mexicana de Biodiversidad, 2018
La fauna es un elemento particularmente distintivo y carismático de la biodiversidad tropical que está siendo sometido a una amenaza sin precedentes por la cacería furtiva y la pérdida de su hábitat.
Sonia Gallina, Alberto González-Romero
doaj   +1 more source

Mamiferos da Fazenda Nhumirim, sub-região de Nhecolándia, Pantanal do Mato Grosso do Sul : I - levantamento preliminar de espécies [PDF]

open access: yes, 1987
Trabalho conduzido na Fazenda Nhumirim, Centro de Pesquisa Agropecuária do Pantanal, EMBRAPA, com auxílio da OEA - Organização dos Estados Americanos, através do CNPq, fornecido ao Dr. Cleber J.R.
Alho, Cleber José Rodrigues   +3 more
core   +1 more source

Animal–Plant Interactions Under Defaunation: Consequences for Amazonian Trees of Commercial Interest

open access: yesBiotropica, Volume 58, Issue 2, March 2026.
We experimentally investigated the effects of medium‐ and large‐sized mammal defaunation on the removal and fate of seeds from economically important forest species in Amazonian forests. Our results show that mammal exclusion significantly reduced seed removal, although the magnitude of this effect varied among plant species.
Arlison Castro   +5 more
wiley   +1 more source

Tasa de registros fotográficos con cámaras trampa en caminos vs. fuera de ellos: la ubicación es importante [PDF]

open access: yes, 2014
Tasa de registros fotográficos con cámaras trampa en caminos vs. fuera de ellos: la ubicación es importante. Presentamos los resultados de muestreos con cámaras trampa que realizamos en el Parque Nacional Iguazú, Misiones, Argentina, en 2008 para evaluar
de Angelo, Carlos Daniel   +2 more
core  

A 50‐year perspective on the use and potential of artiodactyl calcanei in bone adaptation studies

open access: yesBiological Reviews, Volume 101, Issue 1, Page 437-485, February 2026.
ABSTRACT Sheep and deer calcanei are important models for studying cortical (compact) and trabecular (cancellous) bone adaptation because they are amenable to direct strain measurement (due to lack of surrounding muscles), experience relatively simple/unidirectional bending, exhibit osteon remodelling, and have the most pronounced regional variations ...
John G. Skedros
wiley   +1 more source

Reservorios mamíferos del Trypanosoma cruzi en Paraguay

open access: yesMemorias del Instituto de Investigaciones en Ciencias de la Salud, 2013
La transmisión enzoótica del Trypanosoma cruzi en Paraguay aún no ha sido bien determinada. Por lo tanto, todavía se desconocen varios aspectos de la dinámica de transmisión de este parásito en el medio selvático, como ser especies de reservorios ...
N Acosta, E López
doaj  

El tipo scratch-digger en dos armadillos (Dasypodidae, Xenarthra): ontogenia esqueletaria de las manos y variaciones de dígitos

open access: yesRevista del Museo de La Plata, 2017
Los estudios comparativos y ontogenéticos referidos al esqueleto de las manos de los armadillos (Dasypodidae, Xenarthra), son escasos. En este trabajo se caracterizan los autopodios anteriores adultos en dos especies de armadillos actuales, Dasypus ...
Fernando C. Galliari
doaj   +1 more source

Padrão de atividade e segregação temporal entre mamíferos de médio e grande porte na Mata Atlântica [PDF]

open access: yes, 2016
Os organismos de uma comunidade diferem quanto ao seu nicho trófico, espacial ou temporal para coexistirem. A descrição do padrão de atividade é fundamental para compreensão do nicho temporal e nos auxilia no entendimento dos mecanismos que regulam a ...
NODARI, J. Z.
core  

Molecular evolution of the neurohypophysial hormone precursors in mammals: comparative genomics reveals novel mammalian oxytocin and vasopressin analogues [PDF]

open access: yes, 2012
Among vertebrates the neurohypophysial hormones show considerable variation. However, in eutherian mammals they have been considered rather conserved, with arginine vasopressin (AVP) and oxytocin (OT) in all species except pig and some relatives, where ...
Wallis, Michael
core   +1 more source

At the intersection of soundscapes and roads: Quantifying anthrophony's influence on wildlife crossing structure use

open access: yesEcological Applications, Volume 36, Issue 1, January 2026.
Abstract Anthropogenic noise (anthrophony) can have significant negative effects on wildlife, causing both physiological (i.e., increased stress hormone production) and behavioral (i.e., altered anti‐predator behaviors, space use, or diel activity) changes in individuals.
Thomas J. Yamashita   +6 more
wiley   +1 more source

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