基于GIS和NFM的鄱阳湖地区经济林地的适宜性评价

doi:10.11707/j.1001-7488.20120326

Scientia Silvae Sinicae ›› 2012, Vol. 48 ›› Issue (3): 154-159.doi: 10.11707/j.1001-7488.20120326

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Niche-Fitness Model into Multi-Suitability Evaluation of Economic Forest Based on GIS in Poyang Lake Region

Li Jinming¹, Zhao Xiaomin^1,2, Le Lihong^1,3

1. Key Laboratory of Crop Physiology, Ecology and Crop Genetic Breeding of Jiangxi Province Jiangxi Agricultural University Nanchang 330045;2. Nanchang Teachers’ College Nanchang 330029;3. Yugan County Agricultural Bureau Yugan 335100

Received:2010-08-20 Revised:2010-11-15 Online:2012-03-25 Published:2012-03-25

Abstract

Abstract:

The paper took forest in Poyang Lake region for case to study the suitability evaluation by introducing the Niche-fitness theory and Kriging method. The weight average model was used to quantitative analysis the niche-fitness and restrictive factors for growth of Camellia oleifera and Cunninghamia lanceolata. The results show that the niche-fitness value in the region is in medium and the suitability for growth of economy forests is strong. The ratio of land suitability in grade 1 and 2 for Camellia oleifera planting to forest land is account for 79.51%, grade 2 and 3 for Cunninghamia lanceolata account for 70.07%. In terms of comprehensive suitability evaluation result, Camellia oleifera suitable area ranks first with the ratio amounting to 71.23%. Total phosphorus and organic matter content are the primary limited factors to restrict the economic forest growth in the region. The results can apply to guide economic forestry production, to promote the forest land reasonable utilization and management.

Key words: niche-fitness model, suitability evaluation, economic forest, GIS

CLC Number:

Li Jinming;Zhao Xiaomin;Le Lihong;. Niche-Fitness Model into Multi-Suitability Evaluation of Economic Forest Based on GIS in Poyang Lake Region[J]. Scientia Silvae Sinicae, 2012, 48(3): 154-159.

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Niche-Fitness Model into Multi-Suitability Evaluation of Economic Forest Based on GIS in Poyang Lake Region

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