Titre : | Ecosystems and human well-being |
Auteurs : | Millennium Ecosystem Assessment, Auteur |
Type de document : | rapport |
Editeur : | Washington : World Resources Institute, 2005 |
ISBN/ISSN/EAN : | 978-1-59726-040-4 |
Format : | 1 vol. (137 p.) / couv. ill. en coul., ill. en coul., cartes |
Langues: | Anglais |
Catégories : |
[Ecoplanète] 0100 - ECOLOGIE/MILIEUX NATURELS > 0101 - ECOLOGIE > ECOLOGIE [Ecoplanète] 0100 - ECOLOGIE/MILIEUX NATURELS > 0101 - ECOLOGIE > ECOLOGIE > BIOSPHERE > ECOSYSTEME |
Résumé : |
Summary for Decision-makers
- Finding 1: Ecosystem Change in Last 50 Years - Finding 2: Gains and Losses from Ecosystem Change - Finding 3: Ecosystem Prospects for Next 50 Years - Finding 4: Reversing Ecosystem Degradation Key Questions in the Millennium Ecosystem Assessment - 1. How have ecosystems changed? - 2. How have ecosystem services and their uses changed? - 3. How have ecosystem changes affected human well-being and poverty alleviation? - 4. What are the most critical factors causing ecosystem changes? - 5. How might ecosystems and their services change in the future under various plausible scenarios? - 6. What can be learned about the consequences of ecosystem change for human well-being at sub-global scales? - 7. What is known about time scales, inertia, and the risk of nonlinear changes in ecosystems? - 8. What options exist to manage ecosystems sustainably? - 9. What are the most important uncertainties hindering decision-making concerning ecosystems? |