نتایج جستجو برای: population change
تعداد نتایج: 1241284 فیلتر نتایج به سال:
Political realities and institutional structures are often ignored when gathering evidence to influence population health policies. If these policies are to be successful, social science literature on policy change should be integrated into the population health approach. In this contribution, drawing on the work of John W. Kingdon and related scholarship, we set out to examine how key componen...
Many economic sectors, like housing or transportation, are exposed to climate and likely to suffer efficiency losses when climate changes. The global economy is far from being sheltered from climate, these sectors represent a significant fraction of the existing capital stock. Using an optimal growth model with perfect knowledge, we examine the balance between efficiency losses and investment i...
Early climate change ideas warned of widespread species extinctions. As scientists have probed more deeply into species responses, a more nuanced perspective emerged indicating that some species may persist in microrefugia (refugia), including in mountainous terrain. Refugia are habitats that buffer climate changes and allow species to persist in—and to potentially expand under—changing environ...
Self-organising systems adapt to environmental change, and this ability modulates the relationship between specific exposures and outcomes. Vulnerability can be thought of as the sensitivity of the system to multiple exposures, taking into account the system’s ability to adapt. This paper describes 5 causes of vulnerability to climate change in the Asia Pacific region: destructive growth, pover...
Global change is altering species distributions and thus interactions among organisms. Organisms live in concert with thousands of other species, some beneficial, some pathogenic, some which have little to no effect in complex communities. Since natural communities are composed of organisms with very different life history traits and dispersal ability it is unlikely they will all respond to cli...
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