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Evaluation method for recovery function of species diversity of artificial forest

An evaluation method and restoration function technology, which is applied in the field of ecological plantation restoration detection, can solve problems such as ignoring spatial scales, and achieve good restoration effects

Inactive Publication Date: 2015-06-03
宿州学院
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Problems solved by technology

Therefore, the disagreement about the function of species diversity recovery in plantations may stem from the neglect of spatial scale in previous studies

Method used

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  • Evaluation method for recovery function of species diversity of artificial forest
  • Evaluation method for recovery function of species diversity of artificial forest
  • Evaluation method for recovery function of species diversity of artificial forest

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Embodiment Construction

[0018] The embodiments of the present invention are described in detail below. This embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present invention is not limited to the following implementation example.

[0019] In this example, the artificial Pinus tabulaeformis forest in the Wuling Forest Area of ​​the Loess Plateau is used as the evaluation object, and the natural Quercus liaotungen forest is used as the evaluation standard. The Quercus liaotungen forest was selected as the natural forest in this area as a reference, because the Quercus liaotungensis forest is the climatic climax community in this area and has experienced a long succession time. Using the nested sampling method, through the additive allocation approach, it is proposed to compare the multi-scale pattern of species diversity in the plantation pine ...

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Abstract

The invention discloses an evaluation method for a recovery function of species diversity of an artificial forest. Multi-scale sampling is carried out on a tested artificial forest; the species diversity is decomposed in multiple scales by a species diversity additive distribution method, and a contribution process of a species diversity component on each scale can be observed; a random species diversity pattern is constructed by boots trapping randomization, and an observation value and a predicated value are compared to disclose a construction process (a random or non-random process) of the species diversity of the artificial forest; the difference between the artificial forest and a natural forest is compared on each scale by taking a top-grade natural forest of an evaluation region as an evaluation standard; the recovery effect and recovery potential of the species diversity under the artificial forest can be effectively evaluated.

Description

technical field [0001] The invention relates to a restoration detection method of an ecological artificial forest, in particular to an evaluation method for the restoration function of species diversity of an artificial forest. Background technique [0002] In recent years, the sharp reduction of global biodiversity has aroused widespread concern, and deforestation is the main reason for the reduction of biodiversity. Planting forests has been widely promoted as an effective measure against this degradation. Indeed, planted forests have extremely important ecological functions in terms of providing high-quality timber, water conservation, and soil erosion mitigation. However, the restoration function of its species diversity, that is, whether the planted forest is a "green desert" or an effective habitat for native species has always been is a very important and controversial issue. Many studies have shown that understory species diversity in planted forests is generally l...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F19/00
Inventor 王世雄王孝安赵亮郭华高贵珍段仁燕
Owner 宿州学院
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