期刊
FOREST ECOLOGY AND MANAGEMENT
卷 551, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.foreco.2023.121502
关键词
Hurricanes; Tropical cyclone; Forest disturbance; Gap dynamics; Ecological forestry; Pinus palustris
类别
Modern forestry research highlights the importance of incorporating natural disturbance regimes into management practices. This study examines the characteristics of canopy gaps formed by Hurricane Michael in a longleaf pine woodland, and finds variations in gap characteristics and nuanced differences in their spatial distribution among different landscape types.
Modern forestry research emphasizes infusing management practices with an understanding of natural disturbance regimes-often called ecological forestry. Forestry practices that emulate aspects of natural disturbance regimes are considered an effective approach to balance silvicultural and ecological objectives. Silvicultural research is often available to guide successful regeneration in many forest types, but little information is available about gap patterns from common disturbances in the eastern U.S. like hurricanes. We examined the size, shape, and spatial distribution of canopy gaps formed in a longleaf pine woodland by Hurricane Michael across multiple landscape factors including stand size, composition, and soil types. We found high variation in many gap characteristics but no significant differences in gap size or shape among landscape factors. However, spatial distribution of gaps differed among landscape types in nuanced ways. We also found that stand size complexity may prevent the formation of very large gaps that can disrupt fire continuity in systems managed with frequent fire. The results highlight the ecological importance of hurricane events and provide insight into hurricane gap formation at the landscape scale. The implementation of silviculture practices that emulate a large, rapid, single disturbance event may be more practically applied than management based on disturbances such as lightning or insects which occur over longer timeframes.
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