Variation of the treefall gap regime in a bottomland hardwood forest: relationships with microtopography
Forest Ecology and Management(2002)
摘要
Treefall gaps, formed as a result of small-scale disturbances, allow seedling recruitment and growth in forests where large-scale disturbances are infrequent. Many factors contribute to gap regime heterogeneity within and among forest stands, including wind and fire patterns, stand age, stand composition, and site hydrology. While there is evidence suggesting that topography can also affect gap formation, most studies have examined gaps in steep terrain rather than in relatively level terrain such as bottomland hardwood forests. This study examined the treefall gap regime among three microtopographical classes—ridge, slope, and bowl—in a bottomland hardwood stand in the Big Thicket region of east Texas.
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关键词
Canopy gaps,Floodplain forest,Light availability,Forest disturbance
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