B.C. Ministry of Forests Forest Science Program
			Abstract of FRDA Report 122

		Hydrologic and Geomorphic Considerations for Silvicultural Investments on the Lower Skeena River Floodplain
		Author(s) or Ministry Contact(s): Pierre G. Beaudry, Daniel L. Hogan, James W. Schwab
		Branch: Research
		Subject: Hydrology
		Series: FRDA Report
		Other details:  Published 1990.

Abstract

This report evaluates four inter-related components essential for silvicultural planning on the lower Skeena River floodplain: biophysical information, erosion potential, flooding characteristics and environment fate of herbicides. These components are detailed so the approach can be applied in other floodplain areas.

Detailed biophysical data of direct relevance to forest management on the Skeena River floodplain are presented. These data include: 1) the annual groundwater régime and its driving forces; 2) the stratigraphy of the alluvial deposits; 3) the physical characteristics of the soil; and 4) the climatic régime of both the air and soil.

The survival and growth of Sitka spruce (Picea sitchensis) are related to frequency, duration and depth of flooding. Certain topographical and morphological features of floodplains are associated with these flooding characteristics and are used to identify sites that will be unfavourable for establishment and growth of Sitka spruce.

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Updated August 05, 2003

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