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14 July 2003 Community stability of wilderness vegetation zone at Fukang oasis
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Abstract
This article is about wilderness vegetation zone at Fukang oasis. We studied the time and space stability of vegetation community of wilderness vegetation zone at Fukang oasis, by regular researching materials of vegetation in the sample zone, inspecting the succession process and spatial distribution law of plant in the wilderness vegetation zone and using the improved method of contribution law, which was discovered and led into ecology study in the industry manufacture by French ecologist M. Godron, and in the process spread this method to the study of the spatial stability of community of vegetation. Firstly, we calculated all kinds of numbers and these kinds of cover degree on the vegetation community, and corresponded every kind of percentage on the vegetation accumulation and every accumulated relative cover degree, and drew scatter diagram on graph paper, and connected every spot by smooth curve. We connected a straight line between the two points on the coordinate axis,(all coordinate value equal 100) and the node of straight line, and curve is the point we calculated. According to this method, the kind of percentage accumulation and accumulated relative cover degree will be more stability when the ratio is trend to 20/80, which is the stability ratio of community. The researching result verified that stability of different plant community is different at wilderness vegetation zone of Oasis from the space. The community stability of wilderness vegetation of plant at Fukang Oasis is influenced by three factors such as species contest, environmental pressure and interference activity, even if the stability of the same edificator appears bigger difference.
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Guanghui Lu, Xiaoling Pan, Qingdong Shi, Yu Chu, and Fengxue Gu "Community stability of wilderness vegetation zone at Fukang oasis", Proc. SPIE 4890, Ecosystems Dynamics, Ecosystem-Society Interactions, and Remote Sensing Applications for Semi-Arid and Arid Land, (14 July 2003); https://doi.org/10.1117/12.466510
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