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Filtering by: Subject Forests and forestry -- Computer programs Resource Type Dissertation

A computer simulation study of the relative efficiency of several forest sampling techniques as influenced by the spatial distribution of trees found in five major forest types of the Pacific Northwest

Creator:

Payandeh, Bijan

Abstract:

This study was initiated to determine the relative efficiency of systematic, stratified and simple random sampling for crown area and tree frequency estimation of five of the major forest types found in the Pacific Northwest. Several of the more common methods of estimating spatial distribution coefficients were evaluated. Finally the...

Resource Type:

Dissertation
Using soil data to enhance modeling of forest responses to climate change

Creator:

Peterman, Wendy L.

Abstract:

The over-arching theme of this work is that soil data affect the performance and realism of vegetation models with particular focus on their ability to predict or explain disturbances such as fire or disease. We tested the sensitivity of the Excel version of the 3-PG model to soil properties and...

Resource Type:

Dissertation

Full Text:

soil factors to map and include in models of forest productivity. Chapter 2 shows how soil available