Effects of forest gap disturbance on forest ecosystem

doi:10.13287/j.1001-9332.202102.029

Abstract

Abstract: Forest gap disturbance has important consequences on plant species assemblage, stand structure and ecosystem functions of forests via changing micro-scale heterogeneity and community succession. Here, we reviwed research progress in the effects of forest gap disturbance on forest ecosystem. The effects of forest gap disturbance on plant species assemblage was analyzed based on the intrinsic biological characteristics and external environmental factors. The effects of forest gap disturbance on stand structure was discussed from the perspectives of texture and architecture of plant community. Forest gap disturbance effect on forest ecosystem functions was reviewed. After analyzing the theoretical shortcomings and the key bottleneck of forest ecosystem management practices, the following research directions were proposed, including the methods of determining threshold of forest gap, the mechanism of canopy closure, the effect of forest gap disturbance on forest ecosystem processes, and the relationship between forest gap disturbance and forest productivity. The advantage of forest gap disturbance in accelerating plant species regeneration and structure complexities could provide scientific evidence for enhancing the quality of low yield and low function plantations in China.

Key words: forest gap, species composition, forest ecosystem, forest regeneration

CHEN Long-bin, SUN Kun, ZHANG Xu, SUN Hong-gang, JIANG Jing-min. Effects of forest gap disturbance on forest ecosystem[J]. Chinese Journal of Applied Ecology, 2021, 32(2): 701-710.

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