The stability and volume characteristics of large organic debris in undisturbed and logged reaches of Carnation Creek were studied by comparing large scale maps prepared annually for four years before logging and two years following logging. The report presents preliminary data which indicates that coho fry populations initially increase as a result of the fine debris added immediately following logging but decrease with time. Streamside logging recommendations are presented that are directed towards maintaining the prelogging distribution and stability of organic debris.
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Updated December 16, 2008