ecology

The Ecological Value of Snags

May 10, 2011
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Energy and matter are what make the world go ‘round. As plants and animals live their lives, they capture, use, store, and transform both energy and matter. Organisms, as well as the ecosystems they belong to, make the most of these resources. Very little goes to waste. And this is certainly true for dead bodies…

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The Importance of Being Flooded

April 18, 2011
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Spring is officially here (although here in the Pacific Northwest that fact is not yet apparent). As the days get longer and the air gets warmer, snow that fell in the mountains throughout winter will start to melt. Much of the resulting water will find its way into the Pacific Northwest’s many streams and rivers. As the water rises…

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Mixed-Species Bird Flocks

January 31, 2011
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A particular flock of birds has been making regular visits to my backyard birdfeeder this winter. I say ‘particular’ because I’m pretty sure this is the same gang of birds that show up day after day. All will be quiet at the feeder for hours, then suddenly dozens of birds will converge upon the suet cake. After a few lively minutes of pecking and flitting, they all leave just as suddenly…

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Budding in Plants

December 27, 2010
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Where broad-leaved, deciduous trees dominate the landscape, winter woodlands can seem like pretty bleak places. After their leaves have fallen and lie decaying on the forest floor, naked trees are like dark skeletons. They seem dead. But they are very much alive. If you look closely at the branches and twigs of winter trees you will discover subtle signs of life that can be quite beautiful…

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