Results 81 to 90 of about 1,948,036 (198)

FUNDAMENTAL CRITERIA IN A MANAGEMENT PLAN OF A PROTECTED AREA [PDF]

open access: yes
The protected areas are considered among the most effective means for conservation of biological diversity, which is highlighted in the article 8 of the Convention on Biological Diversity.
Carmen-Lenuþa TRICA   +2 more
core  

腹腔镜技术在野生动物中的应用

open access: yesWildlife Letters
Sex identification, reproductive management, and the diagnosis and treatment of disease are the foci of wildlife conservation. The application of scientifically sound techniques is an important means to protect both wildlife and the natural environment ...
Jiachen Li   +4 more
doaj   +1 more source

New Hybrid Protected Lands Layer for Vermont Conservation Design Analysis (February 2019) [PDF]

open access: yes, 2019
This shapefile (.shp) is a hybrid of the March 2017 Edition of the Vermont Center for Geographic Information\u27s (VCGI) Vermont Protected Lands Database (VPLD), the Vermont Land Trust\u27s February 2019 Protected Lands database, and The Nature ...
D\u27Amato, Anthony W, Loeb, Carolyn D
core   +1 more source

Eco-epidemiological mechanisms of avian influenza and Newcastle virus co-infection: Spatial convergence and compatibility

open access: yesPoultry Science
Understanding the mechanisms of viral co-infection in natural host populations is crucial for predicting pathogen dynamics and cross-species transmission risks.
Sipei Zhang   +14 more
doaj   +1 more source

Classification and Protection Status of Remnant Natural Plant Communities in Arkansas [PDF]

open access: yes, 1981
A classification and inventory of Arkansas\u27s remaining tracts of relatively undisturbed vegetation was initiated in 1979. Based on extensive literature surveys and field work, the classification includes five physiognomic classes, 17 cover classes ...
Pell, William F.
core   +2 more sources

Comparing Durations of Different Countermeasure Efficacies Against Wild Boar (Sus scrofa) in Cornfields of Hunchun, Jilin Province, China

open access: yesAnimals
Wildlife behavior can be influenced by the deployment of sensory cues in a landscape, but different cues vary in the strength and duration of their effectiveness.
Ke Li   +7 more
doaj   +1 more source

Cycle tourism development in the Peak District National Park, United Kingdom [PDF]

open access: yes, 2015
Protected areas are at the centre of nature-based tourism, which is increasingly popular across the world. As visitor numbers increase, so does awareness of the harmful effects that large crowds may have on both natural resources and individuals ...
Davies, Nicholas James   +2 more
core  

Wide Area Voltage Protection

open access: yesIET Generation, Transmission & Distribution, 2010
Two very promising wide-area voltage protection (V-WAP) solutions, able to face stability and security problems in the transmission grid, are presented. Both require real-time effective risk indicators whose timely computing is a crucial issue. The first method makes use of a voltage instability index based on real-time computing of the Thevenin ...
openaire   +1 more source

Status of coral reef fish communities within the Mombasa Marine Protected Area, Kenya, more than a decade after establishment [PDF]

open access: yes, 2012
The abundance, trophic composition and diversity of fish were investigated in the Mombasa Marine Protected Area (MPA) on the Kenya coast over a period of four years (2004-2007) sixteen years after its establishment to determine its effectiveness.
Amiyo, N.   +5 more
core  

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