Monday, 22 January, 2018
Global Reshuffle Of Wildlife Will Have Huge Impacts On Humanity

Global Reshuffle Of Wildlife Will Have Huge Impacts On Humanity

Global Reshuffle Of Wildlife Will Have Huge Impacts On Humanity.

The success of human societies depends intimately on the living components of natural and managed systems. Although the geographical range limits of wildlife species are dynamic and fluctuate over time, climate change is impelling a universal redistribution of life on Earth. For marine, freshwater, and terrestrial species alike, the first response to changing climate is often a shift in location, to stay within preferred environmental conditions. At the cooler extremes of their distributions, species are moving poleward, whereas range limits are contracting at the warmer range edge, where temperatures are no longer tolerable. On land, species are also moving to cooler, higher elevations; in the ocean, they are moving to colder water at greater depths. Because different species respond at different rates and to varying degrees, key interactions among species are often disrupted, and new interactions develop. These idiosyncrasies can result in novel biotic communities and rapid changes in ecosystem functioning, with pervasive and sometimes unexpected consequences that propagate through and affect both biological and human communities. The authors of the research article on Biodiversity Redistribution Under Climate Change reviewed evidence that climate-driven species redistribution at regional to global scales affects ecosystem functioning, human well-being, and the dynamics of climate change itself. Production of natural resources required for food security, patterns of disease transmission, and processes of carbon sequestration are all altered by changes in species distribution. Consideration of these effects of biodiversity redistribution is critical yet lacking in most mitigation and adaptation strategies, including the United Nation’s Sustainable Development Goals. Credit: Biodiversity Redistribution Under Climate Change.

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