Simulating Multiaged Coast Redwood Stand Development: Interactions between Regeneration, Structure, and Productivity
نویسندگان
چکیده
منابع مشابه
Second-Log Branching in Multiaged Redwood and Douglas-Fir: Influence of Stand, Site, and Silviculture
We studied branching in Sequoia sempervirens (Lamb. ex D. Don) Endl. (coast redwood) and Pseudotsuga menziesii (Mirb.) Franco var. menziesii (coast Douglas-fir) because of their commercial value to coastal northern California. We focused on branching in the second log, which constitutes an important part of a tree’s wood volume and potential value. We quantified branch size and branch growth of...
متن کاملStand Dynamics of Coast Redwood/Tanoak Forests Following Tanoak Decline
Current threats to North American forests increasingly include exotic tree pathogens that cause extensive mortality. In California, tanoak (Lithocarpus densiflorus) mortality has increased rapidly since 1995, due to Phytophthora ramorum, believed to be an introduced pathogen. Tanoak frequently grows as a major component of redwood forests along the northern California coast. This research exami...
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A large-scale pruning study was established in the winter of 1999 to2000 at seven different sites on Green Diamond Resource Company forestlands in Humboldt County. The objective of this study was to determine the effects of pruning on increment, epicormic sprouting, stem taper, heartwood formation, and bear damage on these young trees. Pruning treatments varied pruning severity and were usually...
متن کاملSudden Oak Death-Induced Tanoak Mortality in Coast Redwood Forests: Current and Predicted Impacts to Stand Structure
Tanoak (Notholithocarpus densiflorus syn. Lithocarpus densiflorus) is one of the most widespread and abundant associates of coast redwood (Sequoia sempervirens), but little is known about the structural relationships between these two species. Knowledge of such relationships is essential for a thorough understanding of the impacts of sudden oak death (caused by the exotic pathogen Phytophthora ...
متن کاملSimulating Ozone Effects on Forest Productivity: Interactions among Leaf-, Canopy-, and Stand-level Processes
Ozone pollution in the lower atmosphere is known to have adverse effects on forest vegetation, but the degree to which mature forests are impacted has been very difficult to assess directly. In this study, we combined leaf-level ozone response data from independent ozone fumigation studies with a forest ecosystem model in order simulate the effects of ambient ozone on mature hardwood forests. R...
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ژورنال
عنوان ژورنال: Western Journal of Applied Forestry
سال: 2009
ISSN: 0885-6095,1938-3770
DOI: 10.1093/wjaf/24.1.24