资讯

Figure 1: Variation with height in physiological and structural features of redwood trees at Humboldt Redwoods State Park, California. We accessed tree crowns by shooting arrows trailing filament ...
The size structure of trees in crowded, even-aged Abies (fir) stands of 'Shimagare' or 'wave-regenerated' sub-alpine forests is analyzed. Tree-height distributions show consistently smaller variation ...
Six Inch Tall Tree: Genetic Modification Used To Control Height Of Trees Date: June 19, 2007 Source: Oregon State University Summary: Forest scientists have used genetic modification to ...
A new map shows forest height around the globe and will improve estimates of how much carbon is stored in trees.