نتایج جستجو برای: mashhad climate change
تعداد نتایج: 684382 فیلتر نتایج به سال:
If habitat destruction or overexploitation of populations is severe, species loss can occur directly and abruptly. Yet the final descent to extinction is often driven by synergistic processes (amplifying feedbacks) that can be disconnected from the original cause of decline. We review recent observational, experimental and meta-analytic work which together show that owing to interacting and sel...
a Centro de Biologia Molecular e Ambiental, Universidade do Minho, 4710-057 Braga, Portugal b Departamento de Matemática e Aplicações, Universidade do Minho, 4710-057 Braga, Portugal c ATP-Group, CMAF, Instituto para a Investigação Interdisciplinar, 1649-003 Lisboa, Portugal d INESC-ID and Instituto Superior Técnico, Universidade de Lisboa, Taguspark, 2744-016 Porto Salvo, Portugal e Centro de ...
S U M M A R Y Opening of the Drake Passage gateway between the Pacific and Atlantic oceans has been linked in various ways to Cenozoic climate changes. From the oceanic floor of Drake Passage, the largest of the remaining uncertainties in understanding this opening is in the timing and process of the opening of the central Scotia Sea. All but one of the available constraints on the age of the c...
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