Component Communities Video

by Carl Strang

In the early days of this blog I shared some of my observations on component communities, groups of species centering around the various plants in an ecosystem, in this case local forests. A particular plant species is consumed by a group of more or less specialized insects, which in turn support more or less specialized parasites. This kind of partitioned structure is an important contributor to ecosystem stability, according to recent ecological research.

The Forest Preserve District of DuPage County, my employer, asked me to put together a slide show illustrating the component community concept. It was posted on the District’s web site this week, and you can find it here:

http://www.dupageforest.com/multimedia/videos.aspx?id=4294968841

One goal of the presentation is to explain how deer, in the absence of their predators, can threaten ecosystem integrity. An explanation of the District’s deer management program, which begins this time of year, is included.

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