نتایج جستجو برای: iucn

تعداد نتایج: 1889  

2014
Anderson F. P. Machado Jorge Fontella Pereira J. Pedro P. Carauta

A new species of Moraceae is described, illustrated and compared to its close morphological relatives. Dorstenia triseriata presents similarities with Dorstenia turnerifolia but distinguished by size of peduncle, diameter of receptacle, number of bract rows, color of marginal bracts, and by an indistinct fringe on inflorescence. A conservation assessment based on IUCN criteria determines the ne...

Journal: :Biological Journal of the Linnean Society 2015

2017
Ye Lwin Aung Xiaohua Jin André Schuiteman

Coelogyne putaoensis, a new species of section Ocellatae from Putao, Kachin State, Myanmar, is described and illustrated. It is morphologically similar to C. taronensis and C. weixiensis, presumably its nearest relatives. An identification key and colour photographs are provided. A preliminary risk-of-extinction assessment according to the IUCN Red List categories and criteria is given for the ...

Journal: :Conservation biology : the journal of the Society for Conservation Biology 2006
Stuart H M Butchart H Resit Akcakaya Elizabeth Kennedy Craig Hilton-Taylor

STUART H. M. BUTCHART,∗ H. RESIT AKCAKAYA,‡ ELIZABETH KENNEDY,§ AND CRAIG HILTON-TAYLOR∗∗ ∗BirdLife International, Wellbrook Court, Girton Road, Cambridge, CB3 0NA, United Kingdom, email [email protected] ‡Applied Biomathematics, 100 North Country Road, Setauket, New York 11733, U.S.A. §Conservation International, 1919 M Street, NW Street 600, Washington, D.C. 20036, U.S.A. ∗∗IUCN Sp...

2011
HAIDER ABBAS MUHAMMAD QAISER

The conservation status of Convolvulus scindicus Stocks in Pakistan, was assessed according to IUCN red data categories and criteria. After three years (2006-2008) of extensive field studies based on population size, distribution range, nature of habitat and anthropogenic activities, the conservation status of Convolvulus scindicus has been classified as an endangered (EN) species. Conservation...

2011
Kristofer M. Helgen William H. Thomas

We undertook a survey of mammal diversity and indigenous knowledge of mammals in Hewa country, in the vicinity of Wanakipa village, Southern Highlands Province, during July 2008. Specimens collected during this survey document the occurrence of 22 mammal species in the immediate area, including one monotreme, 6 marsupials, 7 rodents, and 8 bats. Two species of conservation concern, the Eastern ...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2012
Ana D Davidson Alison G Boyer Hwahwan Kim Sandra Pompa-Mansilla Marcus J Hamilton Daniel P Costa Gerardo Ceballos James H Brown

The world's oceans are undergoing profound changes as a result of human activities. However, the consequences of escalating human impacts on marine mammal biodiversity remain poorly understood. The International Union for the Conservation of Nature (IUCN) identifies 25% of marine mammals as at risk of extinction, but the conservation status of nearly 40% of marine mammals remains unknown due to...

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