红树林扩展林窗空间营养指数

Abstract

Abstract:

This article puts forward the research method of gap space volume instead of gap plane area to develop the survey of the forest gap space size's impact on the seedlings growth. This method was referenced to study the forest gap Kandelia candel seedlings of health Kandelia candel forest in Mangrove Nation Natural Reserve at Zhanjiang, Guangdong province.The result showed that the forest gap space size could significantly affect the growth of Kandelia candel seedlings. The best growth space for Kandelia candel seedlings in the forest gap space volume was 120-160 m³. Forest gap space volume is too large to inhibit the Kandelia candel seedlings growth. Based on the space characteristics of the seedling height and crown breadth influenced by the forest gap, and combined with the ecology meaning of coverage, this paper propose the new concept of mangrove forest gap space nutrition index, and gives it the definition and quantitative formula, and proceeds the calculation of case. The result indicates that the highest index is the IV gap space nutrition index.

Key words: mangrove, forest gap, Kandelia candel seedling, space volume, forest gap space nutrition index

CLC Number:

S718.54

Huang Jianjian, Li Jiping, Liu Suqing, Han Weidong. Expanded Gap Space Nutrition Index of Mangrove[J]. Scientia Silvae Sinicae, 2013, 49(9): 16-22.

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Expanded Gap Space Nutrition Index of Mangrove

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