Tag

ecosystems

President Obama addresses seafood fraud and illegal fishing

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"Tuning" the silk: How spiders use vibrations to learn about their prey, mates, and web

The fine craftsmanship of a spider’s web helps these eight-legged arachnids catch their prey. But these silk-threaded designs can tell a spider a lot more than what they will be having for dinner. ADVERTISEMENT The spider that sits in the middle of its web monitors the silk thre
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Antarctic Icebergs battering shorelines

The Antarctic shore is a place of huge contrasts, as quiet, dark, and frozen winters give way to bright, clear waters, thick with algae and peppered with drifting icebergs in summer. But as the planet has warmed in the last two decades, massive losses of sea ice in winter have left ic
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How ocean acidification is affecting marine life

<!– –> A new study by researchers at the University of Bristol and Plymouth Marine Laboratory has shed light on how different species of marine organisms are reacting to ocean acidification. Since the Industrial Revolution, nearly 30 per cent of all the carbon dioxid
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How forest debris affects freshwater food chains

While one may think that forest and lake ecosystems are two separate networks, new research shows how forest debris is an important contributor to freshwater food chains. ADVERTISEMENT How? Debris in the form of organic carbon from trees washes into freshwater lakes, which consequentl
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Penguin populations may have benefited from historic climate warming

While penguins have adapted to extremely cold weather, harsh winters are still difficult for populations especially when it comes to breeding and finding food. So with warming climates on the horizon, are penguin populations going to be better off? Not necessarily. However, a new stud
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Saving bees with spider venom?

With Europe and the United States slow to ban the pesticides that science says is probably drastically harming our bee populations, could one of the world’s most venomous spiders hold one solution to saving our pollinators? ADVERTISEMENT Anyone keeping up with the plight of our
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Good news for rivers in Britain

<!– –> Scientists from Cardiff University have found that Britain’s urban rivers are the cleanest they’ve been in over two decades. The 21-year study of over 2,300 rivers measured the presence of clean-river invertebrates – a yardstick for river hea
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In cutting deforestation, Brazil leads world in reducing emissions

Brazil’s success in reducing deforestation in the world’s largest rainforest has been much heralded, but progress may stall unless farmers, ranchers and other land users in the region are provided incentives to further improve the environmental sustainability of their oper
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How herring populations are affected by commercial fisheries

Scientists analyzed almost half a million fish bones to shed light on the population history of Pacific herring (Clupea pallasii) in the North Pacific Ocean. Their paper, published in the journal Proceedings of the National Academy of Sciences (PNAS) reveals a decline of unprecedented
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