The Living Planet Index (IPV) is one Indicator used to have the state of global biodiversity. It includes the trends of the populations of wild and wild species all over the planet.
This index raises itself Data supplied by bases from various scientific centers worldwide And it is managed by the Zoological Society of London (ZSL), who have the cooperation of the World Fund for Nature (WWF)
Caring figures for fauna
Wild animal populations experienced a decrease of 28% in Catalonia between 2002 and 2023. The data corresponds to A New update of the VIU Planet Index for Catalan territory.
Worldwide, the index calculates that the recession in the fauna has been 73% for the past 50 years. It has been 35%in the European center in Asia. This edition includes data from 353 species, 32 more than in the edition of two years ago. The Populations of 164 species are declining, 70 grow and the remaining 119 do not show significant trends.
Butterflies and fish under pressure
The groups that They show a more general decline are butterflies and fishWhere about 70% of the species suffer a loss in the number of copies.
- Butterflies: Mediterranean open environments such as Mediterranean turquoise and ferrous check.
- Fish: the Sargo or the Ebro Pimple.
Among mammals are more increasing species than in decrease:
- De Beer (Ursus Arctos) or the Texon are mammals in increase.
- The Schreibers Cave bat and the forest mouse are in origin.
Per environments
Latest trends
Forest animal populations are a priority objective because the loss of these animals accelerates. There is one in agricultural and meadow environments Less negative trend in the past 10 years, despite the general loss context.