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Role of soil disturbances in determining post-harvest plant biodiversity and invasive weed distributionsAuthor(s): Daniel G. Neary; Will H. Moir; Steven T. Overby
Source: In: Frochot, H., Collet, C., and Balandier, P., comps. Popular summaries from the fourth International Conference on Forest Vegetation Management, Nancy, France, 17-21 June 2002. Champenoux, France: Institut National de la Recherche Agronomique: 52-54
Publication Series: Paper (invited, offered, keynote)
Station: Rocky Mountain Research Station
PDF: View PDF (150.84 KB)
DescriptionHarvesting for conventional forestry products, bioenergy, or fuels reduction creates varying levels of soil disturbance depending upon the felling and extraction systems used. Site preparation before replanting imposes additional soil disturbances depending on the mix of mechanical, chemical, and fire techniques used These inter-rotation disturbances usually affect subsequent plant diversity in different ways. Although the common assumption is that these impacts are negative, they can be highly positive depending on the type and level of disturbance. The level and direction of impact (negative or positive) of management-related disturbances depend on a number of factors including the severity of the disturbance. One new aspect of environmental concern regarding plant diversity is the potential for harvesting and site preparation soil disturbance to accelerate invasions by noxious weeds. This paper examines how soil disturbances due to harvesting, mechanical site preparation, prescribed fire, and chemical additions as fertilizers or herbicides affect post-harvest plant diversity and noxious weed invasions.
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CitationNeary, Daniel G.; Moir, Will H.; Overby, Steven T. 2002. Role of soil disturbances in determining post-harvest plant biodiversity and invasive weed distributions. In: Frochot, H., Collet, C., and Balandier, P., comps. Popular summaries from the fourth International Conference on Forest Vegetation Management, Nancy, France, 17-21 June 2002. Champenoux, France: Institut National de la Recherche Agronomique: 52-54
Keywordsbiodiversity, soil disturbance, site preparation, harvesting, invasive weeds
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