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Forest and Grassland Resources Research >

2016 , Vol. 0 >Issue 1: 118 - 125

DOI: https://doi.org/10.13466/j.cnki.lyzygl.2016.01.020

Scientific Research

Exploration of the Protective Effect on Endangered Plant Populations inside the Nature Reserve—a case study of Vatica mangachapoi in Changjiang,Hainan

  • LI Dan ,
  • ZHANG Xuanrong ,
  • YANG Xiaobo ,
  • LI Donghai ,
  • LI Yuanling
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  • 1. Key Laboratory of Protection and Development Utilization of Tropical Crop Germplasm Resources,Hainan University Haikou 570228,China;
    2. College of Horticulture and Landscape,Hainan University,Haikou 570228,China

Received date: 2015-10-19

  Revised date: 2015-11-24

  Online published: 2020-11-04

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Abstract

The plant populations were affected by many negative factors such as forest fragmentation,human felling,burning and other human disturbance which would affect the survival,growth and development of endangered plant populations outside the nature reserve.In order to quantitatively explore the protective effect on endangered plant populations inside the nature reserve,the endangered plant species Vatica mangachapoi was taken as an example.The method of sample was used to analyze the spatial distribution pattern of the Vatica mangachapoi populations inside the nature reserve and outside the nature reserve in Changjiang county,Hainan,with the population diameter structure,static life table and survival curve being used for research of the characteristics of Vatica mangachapoi.The results showed that the spatial distribution pattern of the Vatica mangachapoi population tended to be aggregated inside and outside the nature reserve,while the aggregation intensity was strong outside the nature reserve and not conducive to the spread of the population;The Vatica mangachapoi population was of declining type outsid the nature reserve because the seedlings and young trees of Vatica mangachapoi population were rare,while this population was of increasing type inside the nature reserve.The survival curve was similar to Deevey type Ⅰoutside the nature reserve,while the survival curve was similar to Deevey type Ⅲ inside the nature reserve in the beginning.The protection of endangered plants achieved good effects because of the setting up of the nature reserve.Ecological characteristics of most protected species,of which many belong to the endangered species,were similar to Vatica mangachapoi in Hainan.The endangered species needed continuous survival,growth and development environment with less human interference.Therefore,restoring and protecting the forest continuity is of growing significance to endangered species protection.

Key words： nature; Vatica mangachapoi; spatial distribution pattern; static life table; survival curve

Cite this article

LI Dan , ZHANG Xuanrong , YANG Xiaobo , LI Donghai , LI Yuanling . Exploration of the Protective Effect on Endangered Plant Populations inside the Nature Reserve—a case study of Vatica mangachapoi in Changjiang,Hainan[J]. Forest and Grassland Resources Research, 2016 , 0(1) : 118 -125 . DOI: 10.13466/j.cnki.lyzygl.2016.01.020

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