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Evidence is mounting that extinctions are altering key processes important to the productivity and sustainability of Earth’s ecosystems 1 , 2 , 3 , 4 .
By Jennifer Frazer
Increasing evidence suggests that loss of Earth’s biological diversity will compromise our planet’s ability to provide the goods and services societies need to prosper.
University of Copenhagen Researchers have produced a new biodiversity map divided into 11 large biogeographic realms. Tigers and pandas live in Asia, kangaroos and koalas in Australia and polar bears and snowy owls in the Arctic. The world can be divided into regions based upon the unique types of animals that live there.
Nikola Nikolovski / iStockphoto We'll start in a cornfield — we'll call it an Iowa cornfield in late summer — on a beautiful day. The corn is high.
Scientists in the journal Nature have released yet another study full of dire predictions. This study analyzed ecological data from protected reserves in 36 tropical countries,the British Independent reported on July 27, and found that half of the reserves are showing the effects of what is happening outside their borders. Moreover, one of the researchers told Bloomberg , the resulting changes are even more marked than those resulting from climate change.
The world's biodiversity is down 30 percent since the 1970s, according to a new report, with tropical species taking the biggest hit.
The term biodiversity refers to the variety of life on Earth at all its levels, from genes to ecosystems, and the ecological and evolutionary processes that sustain it. Biodiversity includes not only species we consider rare, threatened, or endangered, but every living thing—even organisms we still know little about, such as microbes, fungi, and invertegrates.
This should keep us awake at night.
They have entranced generations with the beauty of their songs and glimpses of their plumage.
Abstract Plant diversity generally promotes biomass production, but how the shape of the response curve changes with time remains unclear. This is a critical knowledge gap because the shape of this relationship indicates the extent to which loss of the first few species will influence biomass production.
Brief overview Dryland species must adapt to an environment known for its variation in climate, both in terms of temperature and water availability. Some areas have been identified as especially important to the survival of these uniquely adapted plants and animals: Centers of Plant Diversity; Endemic Bird Areas; Protected Areas; and Global 200 Ecoregions.
Among conservationists, policy-makers, and the public, there is great debate about whether the establishment of national parks and reserves in developing nations causes poverty or helps to alleviate it. While opponents claim that protected areas limit agricultural development and the harvesting of natural resources, supporters contend that protected areas generate tourism income and improve infrastructure in the surrounding areas.
An aerial image of the Amazon rainforest taken by tropical Greg Asner and his team. Photograph: Carnegie Department of Global Ecology/Stanford University Five thousand metres above the most biodiverse corner of the Amazon, tropical ecologist Greg Asner and his team see a kaleidoscope of colours among a mass of green.
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