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Research article - Peer-reviewed, 2002

Correction for slope in point and transect relascope sampling of downed coarse woody debris

Ståhl, Göran; Ringvall, Anna; Gove, Jeffrey H.; Ducey, Mark J.

Abstract

Two different possibilities to correct for bias due to slope are presented. The first one involves using a slightly modified relascope device and making a measurement of the angle of inclination of each sampled object. The second involves applying correction factors based on the steepness of the terrain in the area surveyed. However, it is shown that moderate slopes cause only limited bias and in such cases there is little need to adjust the measurement procedures or apply correction factors.

Keywords

angle gauge sampling; bias; Bitterlich sampling; correction factor; forest inventory; line intercept sampling

Published in

Forest Science
2002, volume: 48, number: 1, pages: 85-92
Publisher: SOC AMER FORESTERS

Authors' information

Swedish University of Agricultural Sciences, Department of Forest Resource Management and Geomatics
Ringvall, Anna (Ringvall, Anna)
Swedish University of Agricultural Sciences, Department of Forest Resource Management and Geomatics
Gove, Jeffrey H.
United States Department of Agriculture (USDA)
Ducey, Mark J.
University of New Hampshire

UKÄ Subject classification

Forest Science

URI (permanent link to this page)

https://res.slu.se/id/publ/41901