Forest edge effects on Quercus reproduction within naturally regenerated mixed broadleaf stands

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14 Scopus citations

Abstract

This paper explores the influence of forest edge on the development of tree reproduction and the use of edge as a silvicultural tool for manipulating regeneration outcomes. Oak (Quercus spp.) reproduction was sampled 9 years following edge establishment along transects extending from8minto clearcut openings to 40minto the adjacent intact forest. Trends showed that oak reproduction height in the intact forest was inversely related to distance from edge up to 20 m into the intact forest. Observed oak reproduction densities were greater within 20 m of edge than in distance intervals further into the intact forest. Tree-ring analysis of 106 seedlings was used to evaluate temporal responses associated with edge development. Cross-sectional analysis indicated a mean age of 13 years, 3 years prior to edge establishment. Increased growth was associated with edge establishment, and 10-year radial growth following edge creation showed a similar spatial pattern as height with oak seedlings within 20 m of the edge exhibiting significantly greater growth than those occurring furthest into the intact forest. This study suggests that forest edge can be used to provide environments useful in building reproductive capacity for species like oaks that require advance reproduction.

Original languageEnglish
Pages (from-to)911-918
Number of pages8
JournalCanadian Journal of Forest Research
Volume43
Issue number10
DOIs
StatePublished - Jul 2013

ASJC Scopus subject areas

  • Global and Planetary Change
  • Forestry
  • Ecology

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