نتایج جستجو برای: iucn
تعداد نتایج: 1889 فیلتر نتایج به سال:
In this contribution, the conservation status assessment of three vascular plants are presented according to IUCN categories and criteria. It includes Oryza rhizomatis D.A.Vaughan Saxifraga facchinii W.D.J.Koch at a global level Helianthemum caput-felis Boiss. regional level.
Trophy fishing occurs when anglers target the largest members of a species with the goal of obtaining an award with perceived prestige. The largest members of many species are also the most fecund, raising alarms about the disproportionate impact of removing the largest individuals of species of conservation concern. Presented here is the first systematic analysis of the conservation status of ...
The identification of species at risk of extinction is a central goal of conservation. As the use of data compiled for IUCN Red List assessments expands, a number of misconceptions regarding the purpose, application and use of the IUCN Red List categories and criteria have arisen. We outline five such classes of misconception; the most consequential drive proposals for adapted versions of the c...
This paper reviews the distribution of seabird species with the WCPFC Area. From a review of the distributions of 99 species of albatross and petrel, 16 species of albatross and 60 species of petrel occur within the area of the WCPFC, and are potentially vulnerable to fisheries bycatch. These include species with IUCN classification of Critically Endangered (n = 1), Endangered (n = 7), Vulnerab...
1 Wildlife Conservation Society, Bronx, New York, United States of America, 2 IUCN/SSC Cat Specialist Group, University of Bern, Bern, Switzerland, 3 Global Environment Facility, Washington, D.C., United States of America, 4 Wildlife Conservation Society, Kuching, Sarawak, Malaysia, 5 Panthera, New York, New York, United States of America, 6 Wildlife Conservation Society, Vientiane, Lao People’...
Introduced marine species can have a large impact upon small countries that are reliant on marine tourism. Non-governmental organisations, such as the World Conservation Union (IUCN), are working with technical experts to implement capacity building and awareness programs that transfers introduced marine species knowledge to countries in need of aid. The Republic of Palau is reliant on tourism ...
زیستگاه کوسالان، رشته کوهی است با توپوگرافی شدید در امتداد شمال غربی- جنوب شرقی، مشرف بر شهرستان سروآباد در غرب کردستان. این زیستگاه مجموعهای از کارکردهای اکولوژیکی بینظیر اکوسیستمهای کوهستانی (جنگلهای بلوط و مراتع غنی) و سه رودخانه دائمی با چشمه سارهای فراوان را دارا میباشد. در این مطالعه، زیستگاه منحصر به فرد کوسالان برای اولین بار از لحاظ توان زیست محیطی با نگرش حفاظت مبتنی بر معیارهای iu...
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