Ask biologists how many species live in a pond, a grassland, a mountain range or on the entire planet, and the answers get increasingly vague. Hence the wide range of estimates for the planet's biodiversity, predicted to ...
Ecology
Jul 9, 2009
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(PhysOrg.com) -- New research shows that when two species of stickleback fish evolved and lost their pelvises and body armor, the changes were caused by different genes in each species. That surprised researchers, who expected ...
Evolution
Jun 4, 2009
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On a muggy July evening, Delaware state biologist Jason Davis is doing what kids have done for ages: Trying to catch a firefly. It's nowhere near as easy as the summer evenings of his own childhood, with only a few in this ...
Ecology
Jul 24, 2024
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Giant pandas reclining in cloudy hills eating bamboo, European bison picking their way through gloomy and lichen-draped forests and Cape mountain zebra roaming arid mountains. Ideas of how and where these species live are ...
Plants & Animals
Jul 22, 2024
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Biodiversity loss is one of the most alarming threads the planet faces. Degraded habitats, overexploited resources, climate crisis and invasive species are some of the factors that threaten the richness and variety of living ...
Ecology
Jul 18, 2024
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Protected areas, like nature reserves, can conserve biodiversity without harming local economic growth, countering a common belief that conservation restricts development. A new study outlines what is needed for conservation ...
Ecology
Jun 22, 2024
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Following decades of decline, even fewer birds will darken North American skies by the end of the century, according to a new analysis by scientists at the University of Illinois Urbana-Champaign. Their study is the first ...
Plants & Animals
Jun 11, 2024
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With legs like a velociraptor and a striking neon blue neck, the southern cassowary cuts a fearsome figure in the rainforests of northeast Australia.
Plants & Animals
Jun 5, 2024
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The North China leopard (Panthera pardus japonensis), one of the world's nine subspecies of leopards, is endemic to China and mainly distributed in the northern parts of the nation. Due to human activities, the species has ...
Plants & Animals
May 20, 2024
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Nitrogen deposition is one of the four main pressures on nature in Europe. Many of the Natura 2000 sites suffer from an excessive input of ammonium and nitrate from farming, industry, traffic and households, leading to the ...
Ecology
Apr 30, 2024
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