Journal
FORESTRY CHRONICLE
Volume 87, Issue 1, Pages 23-32Publisher
CANADIAN INST FORESTRY
DOI: 10.5558/tfc87023-1
Keywords
forest site classification; site index; site productivity; Ecological Land Classification (ELC); ecosites; forest biomass; bioproducts
Categories
Funding
- Ontario Ministry of Research and Innovation
- Northern Ontario Heritage Fund Corporation (NOHFC)
- FedNor
- Tembec
- Forestry Research Partnership
- Nipissing University
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Forest site classification is a prerequisite to successful integrated forest resources planning and management. Traditionally, site classification has emphasized a phytocentric approach, with tools such as the site index having a rich and long history in forest site evaluation. The concept of site index was primarily devised to assess site productivity of an even-aged, single-species stand. Site index has been the primary method of forest site evaluation in support of management for traditional forest products. However, this method of site classification has been criticized as the needs, perspectives and social values of the public regarding forest management have changed the emphasis from timber production to multiple-value forestry practices. There are alternative approaches to forest site classification that have the potential to meet the growing demands placed on forest information for inventory and modeling purposes. Ecological Land Classification (ELC), is a phytogeocentric approach that stratifies the landscape into ecologically meaningful units (ecosites) based on substrate characteristics, moisture regime and canopy composition. This approach offers a more holistic view of site productivity evaluation; however, until recently it has been difficult to acquire data to support widespread mapping of ecosites. Remote sensing technology along with predictive modeling and interpretive mapping techniques make the application of an ecosite-based approach at the forest landscape level possible. As forest management moves towards the consideration of a broader set of resources (e.g., woody biomass), there is an opportunity to develop new tools for linking forest productivity to the sustainable production of forest bioproducts with forest ecosites as a solid foundation for segmenting the landscape.
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