Results 91 to 100 of about 551,845 (312)

The influence of rivers on seabird foraging ecology

open access: yesBiological Reviews, EarlyView.
ABSTRACT Rivers act as vital arteries to the world's oceans, delivering fresh water and nutrients that sustain marine ecosystems. Globally, river flow increasingly is being altered by climate change and anthropogenic pressures; yet the significance of rivers to predatory marine species, such as seabirds, and the extent to which river‐related changes ...
Julia B. Morais   +2 more
wiley   +1 more source

Observations of biennial reproduction in Caribbean reef sharks ‘Carcharhinus perezi’

open access: yesFrontiers in Marine Science
Effective management and conservation of threatened species biodiversity requires knowledge of reproductive biology, such as cyclicity, mode, and age at maturity.
Beckah A. Campbell   +4 more
doaj   +1 more source

Assessing the Viability of Reintroduction of Locally Extinct Migratory Fish Brycon orbignyanus: Successful Growth, Dispersal and Maturation

open access: yesFishes, 2018
The reintroduction of threatened fish species in areas where wild populations have been depleted due to anthropogenic impacts is an increasingly popular conservation tool and mitigation policy.
Juan R. Esquivel-Muelbert   +5 more
doaj   +1 more source

Extent, characteristics and policy applications of Key Biodiversity Areas

open access: yesBiological Reviews, EarlyView.
ABSTRACT A global standard for the identification of Key Biodiversity Areas (KBAs) was published 10 years ago to provide a unified set of criteria for identifying ‘sites of significance for the global persistence of biodiversity’. We review the initiative's origins, the KBA identification process, characteristics of the current network, threats, policy
Stuart H. M. Butchart   +57 more
wiley   +1 more source

Endangered songs and endangered languages.

open access: yes, 2003
It is widely reported in Australia and elsewhere that songs are considered by culture bearers to be the “crown jewels” of endangered cultural heritages whose knowledge systems have hitherto been maintained without the aid of writing. It is precisely these specialised repertoires of our intangible cultural heritage that are most endangered, even in a ...
Marett, Allan, Barwick, Linda
openaire   +1 more source

The extension of the taxon cycle model to island plants: insights from the Canarian vascular flora

open access: yesBiological Reviews, EarlyView.
ABSTRACT Taxon cycle models describe eco‐evolutionary patterns of lineage colonization, diversification, and decline across archipelagos, inferring an important role for competition amongst ecologically similar taxa in driving concurrent niche changes.
José María Fernández‐Palacios   +2 more
wiley   +1 more source

Advancements and Challenges in Artificial Insemination Techniques for Wild Ruminant Conservation: A review

open access: yesAustral Journal of Veterinary Sciences
Biodiversity is increasingly threatened by intensive agriculture, environmental pollution, climate change, and habitat loss, and many mammal species, including ruminants, have disappeared or are threatened with extinction.
Pía C. Rebolledo   +5 more
doaj   +1 more source

How wildlife respond to tropical cyclones: short‐term tactics and long‐term impacts

open access: yesBiological Reviews, EarlyView.
ABSTRACT From butterflies to lizards and from sharks to seabirds, wildlife exhibit tactics to survive the impacts of tropical cyclones, also known as hurricanes, cyclones, or typhoons depending on where they occur. Some species seek refuge during the storm by moving, some remain in place and ride it out, and others move longer distances, avoiding the ...
Erin L. Koen   +15 more
wiley   +1 more source

The evidence base for ranger patrol effectiveness in conservation and how to improve it

open access: yesBiological Reviews, EarlyView.
ABSTRACT Ranger patrols are a cornerstone of wildlife protection efforts around the world and occur across all ecological governance systems. Evidence that patrols reduce threats to wildlife and enable their recovery has not been systematically examined previously.
Trina Rytwinski   +19 more
wiley   +1 more source

Is Eighth District manufacturing endangered? [PDF]

open access: yes
Manufactures ; Federal Reserve District ...
Thomas B. Mandelbaum
core  

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