Results 81 to 90 of about 319,757 (184)

Molecular sexing from stools in spectacled bear (Tremarctos ornatus)

open access: yes, 2016
El oso de anteojos (Tremarctos ornatus) se encuentra vulnerable debido a la caza y destrucción de su medio ambiente y es de difícil observación en vida libre, lo que obstaculiza su manejo e investigación, por lo que el uso de muestras no invasivas como heces se convierte en una gran herramienta.
Caselli S., Caselli S.   +1 more
openaire   +1 more source

Contrasting evidence of phylogenetic trophic niche conservatism in mammals worldwide [PDF]

open access: yes, 2017
Aim Phylogenetic niche conservatism (PNC), a pattern of closely related species retaining ancestral niche-related traits over evolutionary time, is well documented for abiotic (Grinellian) dimensions of the ecological niche.
Ackerly   +48 more
core   +1 more source

Evaluation and Planning Control of the Ecosystem Fragmentation Due to Urban Development [PDF]

open access: yes, 2003
Different kinds of urban sprawl on the territory cause the ecosystems fragmentation phenomena which the planning tools often are not able to control.
Biondi, Maurizio   +4 more
core  

From the Galalpagos to Tongariro: Recognizing and saving the most important places in the world [PDF]

open access: yes, 2009
Protected areas are one of the less glamorous areas of international environmental law. They are commonly overshadowed by what are perceived as much more dramatic topics, which capture the public attention to a much greater degree.1 This is a highly ...
Gillespie, Alexander
core   +1 more source

Uncovering the enigmatic evolution of bears in greater depth: The hybrid origin of the Asiatic black bear. [PDF]

open access: yesProc Natl Acad Sci U S A, 2022
Zou T   +7 more
europepmc   +1 more source

2018 State-of the Science of Dispersants and Dispersed Oil (DDO) in U.S. Arctic Waters: Eco-Toxicity and Sublethal Impacts [PDF]

open access: yes, 2018
Chemical dispersants were employed on an unprecedented scale during the Deepwater Horizon oil spill in the Gulf of Mexico, and could be a response option should a large spill occur in Arctic waters. The use of dispersants in response to that spill raised
Coastal Response Research Center (CRRC)
core   +1 more source

Elbow Joint Geometry in Bears (Ursidae, Carnivora): a Tool to Infer Paleobiology and Functional Adaptations of Quaternary Fossils [PDF]

open access: yes
Bears are currently represented by eight species among Carnivora. Being all particularly large and generally plantigrade limits to certain extent their functional morphology so that inferences about their past diversification are difficult to achieve. We
Marques De Oliveira, A, Meloro, C
core   +1 more source

A Forest of Blue - Canada's Boreal Forest, the World's Waterkeeper [PDF]

open access: yes, 2011
Describes how the lakes, rivers, and wetlands comprising the boreal forest preserve biodiversity, mitigate global climate change effects, and offer food and cultural benefits to rural communities.

core  

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