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Tag: predators
Top predators have sway over climate
2013-02-19 16:17:00| Climate Ark Climate Change & Global Warming Newsfeed
ScienceDaily: University of British Columbia researchers have found that when the animals at the top of the food chain are removed, freshwater ecosystems emit a lot more carbon dioxide into the atmosphere. "Predators are disappearing from our ecosystems at alarming rates because of hunting and fishing pressure and because of human induced changes to their habitats," says Trisha Atwood, a PhD candidate in the Department of Forest and Conservation Sciences in the Faculty of Forestry at UBC. For their study,...
Tags: top
climate
predators
sway
Wiping out top predators messes up the climate
2013-02-17 19:03:00| Climate Ark Climate Change & Global Warming Newsfeed
New Scientist: Wiping out top predators like lions, wolves and sharks is tragic, bad for ecosystems - and can make climate change worse. Mass extinctions of the big beasts of the jungles, grasslands and oceans could already be adding to greenhouse gases in the atmosphere. Trisha Atwood of the University of British Columbia in Vancouver, Canada, studied the effect of removing predator fish from ponds and rivers in Canada and Costa Rica. Across a range of ecosystems, climates and predators, she found a consistent...
Tags: top
climate
predators
wiping
Warning of pensions cash 'predators'
2013-02-14 01:06:25| BBC News | Business | UK Edition
Consumers are being warned against "predators" who entice them to cash in their pension fund before retirement, but charge high fees.
Tags: cash
warning
pensions
predators
Canada nixes online spying bill designed to stop child predators
2013-02-13 04:17:46| CNET News.com
Despite "Protecting Children from Internet Predators Act" sounding like a well-intentioned bill, it was opposed by civil liberty groups because it sanctioned warrantless wiretapping. [Read more]
Tags: online
canada
designed
stop