نتایج جستجو برای: iucn

تعداد نتایج: 1889  

Journal: :Current Biology 2010
Bernard Dixon

industry, posing an increasing threat to the unique and fearless wildlife studied by Darwin. While the island officially only had 17,000 inhabitants in 2000, many more arrived unrecorded, and some saw the national park as a nuisance and resorted to arson to clear land for their own use. The Galápagos Islands became Unesco's very first World Heritage Site in 1978, attracting yet more visitors. I...

2011
Jon Paul Rodríguez Kathryn M Rodríguez-Clark Jonathan E M Baillie Neville Ash John Benson Timothy Boucher Claire Brown Neil D Burgess Ben Collen Michael Jennings David A Keith Emily Nicholson Carmen Revenga Belinda Reyers Mathieu Rouget Tammy Smith Mark Spalding Andrew Taber Matt Walpole Irene Zager Tara Zamin

The potential for conservation of individual species has been greatly advanced by the International Union for Conservation of Nature's (IUCN) development of objective, repeatable, and transparent criteria for assessing extinction risk that explicitly separate risk assessment from priority setting. At the IV World Conservation Congress in 2008, the process began to develop and implement comparab...

Journal: :Conservation biology : the journal of the Society for Conservation Biology 2009
Matt W Hayward

Thorough evaluation has made the International Union for Conservation of Nature (IUCN) Red List the most widely used and accepted authority on the conservation status of biodiversity. Although the system used to determine risk of extinction is rigorously and objectively applied, the list of threatening processes affecting a species is far more subjectively determined and has not had adequate re...

1999
David L. Garshelis Anup R. Joshi James L. D. Smith Clifford G. Rice

IUCN Category: Vulnerable, A2cd CITES Listing: Appendix I Scientific Names: Melursus ursinus (occasionally Ursus ursinus); Melursus ursinus ursinus in India, Nepal, Bhutan, and Bangladesh; Melursus ursinus inornatus in Sri Lanka Common Names: sloth bear; Northern India and Nepal: bhalu; India: rinch, reech, richwa, asval, karadi, puni karadi, elugu bunti; Sri Lanka: walaha (male), waelahinna (f...

2016
Mehmet Fırat

Cirsium semzinanicumsp. nov. (Asteraceae) is described as a new species from Hakkâri, Turkey. The new species is a part of the sect. Epitrachys (Cardueae) and similar to Cirsium karduchorum, from which it differs in morphological characters such as leaves, involucre, phyllaries, corolla, achens and pollen morphology. Geographical distribution, habitat and IUCN conservation status of this specie...

2012
Arvin C. Diesmos sABine sChoppe mAe Lowe L. Diesmos

066.1 Conservation Biology of Freshwater Turtles and Tortoises: A Compilation Project of the IUCN/SSC Tortoise and Freshwater Turtle Specialist Group A.G.J. Rhodin, P.C.H. Pritchard, P.P. van Dijk, R.A. Saumure, K.A. Buhlmann, J.B. Iverson, and R.A. Mittermeier, Eds. Chelonian Research Monographs (ISSN 1088-7105) No. 5, doi:10.3854/crm.5.066.leytensis.v1.2012 © 2012 by Chelonian Research Founda...

Journal: :Zootaxa 2015
Mariana Borges Rodrigues Lidiane Maria Da Silva Bruno Do Bomfim Lopes Bruno Pereira Berto Hermes Ribeiro Luz Ildemar Ferreira Carlos Wilson Gomes Lopes

The New World tyrant-flycatcher (Tyrannidae) Attila rufus (Vieillot, 1819) is commonly known as grey-hooded attila or 'capitão-de-saíra' in Brazil (Sick 1997; CBRO 2014). This species has a wide distribution and their population trends appear to be stable; therefore, it is least concern according to IUCN (2015) criteria.

Journal: :Zootaxa 2014
Claudia Hemp Klaus-Gerhard Heller Elżbieta Warchałowska-Śliwa Andreas Hemp

The female of Tropidonotacris grandis is described and information on distribution, habitat, song, chromosomes and nymphal development of this species given. The populations of northern Tanzania all occur in deciduous dry forest, a habitat highly endangered by destruction and therefore T. grandis must be regarded at least as a vulnerable species according to the IUCN red list. 

2015
Charlotte L. Hawkins Sven Bacher Franz Essl Philip E. Hulme Jonathan M. Jeschke Ingolf Kühn Sabrina Kumschick Wolfgang Nentwig Jan Pergl Petr Pyšek Wolfgang Rabitsch David M. Richardson Montserrat Vilà Tim M. Blackburn

LETTER Framework and guidelines for implementing the proposed IUCN Environmental Impact Classification for Alien Taxa (EICAT) Charlotte L. Hawkins, Sven Bacher, Franz Essl, Philip E. Hulme, Jonathan M. Jeschke, Ingolf K€ uhn, Sabrina Kumschick, Wolfgang Nentwig, Jan Pergl, Petr Py sek, Wolfgang Rabitsch, David M. Richardson, Montserrat Vil a, John R. U. Wilson, Piero Genovesi and Tim M. Blackburn*

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