Synthesis
Description:... Of decision makers -- Finding 1: ecosystem change in the 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 -- How have ecosystems changed? -- How have ecosystems services and their uses changed? -- How have ecosystem changes affected human well-being and poverty alleviation? -- What are the most critical factors causing ecosystem changes? -- How might ecosystems and their services change in the future under various plausible scenarios? -- What can be learned about the consequences of ecosystem change for human well-being at sub-global scales? -- What is known about time scales, inertia, and the risk of nonlinear changes in ecosystems? -- What options exist to manage ecosystems sustainably? -- What are the most important uncertainties hindering decision-making concerning ecosystems?
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شماره کارت : 6104337650971516 شماره حساب : 8228146163 شناسه شبا (انتقال پایا) : IR410120020000008228146163 بانک ملت به نام مهدی تاج دینی