Browsing Tag 'Issues in Ecology'

Caught in action by a motion-sensitive camera, a grizzly passes over the Trans-Canada highway on an overpass in Banff National Park.

The latest installment in ESA’s  Issues in Ecology series takes on models and methods for reconnecting wildlife habitat in restoration and conservation planning and management. By Liza Lester, ESA communications officer WE live in a human-dominated world. For many of our fellow creatures, this means a fragmented world, as human conduits to friends, family, and [...]

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manure tractor

Overabundance of an essential nutrient is not always a good thing. – by Liza Lester, ESA communications officer. A tractor spreads manure. Excess fertilizer seeping out of fields has a host of consequences for ecological systems and human health. Credit, flickr user eutrophication&hypoxia, 2010.   NITROGEN is both an essential nutrient and a pollutant, a [...]

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