Threatened Swallowtail Butterflies of the World (The IUCN Red Data Book) N. Mark Collins and Michael G. Morris IUCN, Gland, Switzerland, and Cambridge, UK, HB £18·00

The Iucn Red List of Threatened Speciestm

Polar Bears (Ursus maritimus) are facing a range of threats that might impact their future population status (see section Threats below). The IUCN Polar Bear Specialist Group (PBSG) regards loss of sea-ice habitat due to climate warming as the most serious threat to future Polar Bear survival. We therefore based our Red List assessment on this threat factor only, recognizing that sea-ice condit...

Establishing IUCN Red List Criteria for Threatened Ecosystems

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...

FRESHWATER BIODIVERSITY – A HIDDEN RESOURCE UNDER THREAT The IUCN Red List of Threatened SpeciesTM

Acknowledgements: This publication is part of The 2008 Review of The IUCN Red List of Threatened Species. The IUCN Red List is compiled and produced by the IUCN Species Programme based on contributions from a network of thousands of scientifi c experts around the world. These include members of the IUCN Species Survival Commission Specialist Groups, Red List Partners (currently Conservation Int...

Species Conservation Profiles compliant with the IUCN Red List of Threatened Species

The International Union for Conservation of Nature (IUCN; www.iucn.org) is the world ́s largest environmental network, with 1,300 member organizations and relying on the input of about 16,000 experts. It provides knowledge and tools that enable and promote the sustainable development at a global level. Among its many outputs, the Red List of Threatened Species (www.iucnredlist.org) is the most w...

Guidelines for Using the IUCN Red List Categories and Criteria