Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 4 of 4 for “"improvement treatments"”.
-
Transformation of degraded forests into semi-natural production forests in northern Thailand
… and stand conditions and to propose and assess improvement treatments to transform these forests into semi-natural production forests. <br>As a consequence of extensive exploitation and dramatic loss of forest cover, Thailand declared a nationwide logging ban in 1989. To halt ongoing forest …
-
Rehabilitation and sustainable use of degraded community forests in the Bale Mountains of Ethiopia
… planning and the implementation of silvicultural improvement treatments. Therefore, the overall objective of this study is to contribute to the rehabilitation and sustainable management of degraded community forests in Ethiopia by providing locally adapted silvicultural tools and recommendations. …
-
Silvicultural Methods for Improving Hardwood Management on Non-Industrial Private Forest land in Virginia
… long rotations, low stumpage values, expensive treatments, and an undependable market (Bechtold and Phillips 1983). Knowledge gaps on how various biological factors affect hardwood growth also exist. Stand improvement methods attempt to shift growth to desirable stems. Three different hardwood …
-
Patrones de diversidad de especies leñosas en los bosques españoles a diferentes escalas espaciales: efectos de las perturbaciones selvícolas y otros factores ambientales y de paisaje
… on the assessment of the role of silvicultural treatments as a potential factor explaining those patterns. The spatial scale is a key transversal element throughout the work, since different processes operate at different scales and potentially influence each other. Intermediate and local grain …