[1]曾新德,孙学刚,闫好原,等. 石羊河下游干旱荒漠区植物优先保护级别研究[J].西北林学院学报,2017,32(5):150-153.[doi:10.3969/j.issn.1001-7461.2017.05.26]
　ZENG Xin-de,SUN Xue-gang,YAN Hao-yuan,et al. Evaluation of Conservation Priority Classes of Plant Species in the Lower Reaches of Shiyang River[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2017,32(5):150-153.[doi:10.3969/j.issn.1001-7461.2017.05.26]
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 石羊河下游干旱荒漠区植物优先保护级别研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第32卷
期数:
2017年第5期
页码:
150-153
栏目:
出版日期:
2017-09-30

文章信息/Info

Title:
 Evaluation of Conservation Priority Classes of Plant Species in the Lower Reaches of Shiyang River
文章编号:
1001-7461(2017)05-0150-04
作者:
 曾新德1; 孙学刚2; 闫好原1; 张有佳1; 胡生新1; 王承勋1; 张杰1
 (1.甘肃民勤连古城国家级自然保护区管理局，甘肃 民勤 733300；2.甘肃农业大学 林学院，甘肃 兰州 730070）
Author(s):
 ZENG Xin-de1;  SUN Xue-gang2; YAN Hao-yuan1; ZHANG You-jia1; HU Sheng-xin1; WANG Cheng-xun1; ZHANG Jie1
 (1.Managing Bureau of Liangucheng National Reserve,Minqin,Gansu733300,China; 2.College of Forestry,Gansu Agriculture University,Lanzhou,Gansu 730070,China)
关键词:
 ; 民勤县; 濒临消失风险; 优先保护
Keywords:
 ; Minqin County;  extinction risk;  conservation priority
分类号:
S728.1
DOI:
10.3969/j.issn.1001-7461.2017.05.26
文献标志码:
A
摘要:
 在对石羊河下游干旱荒漠区实地调查的基础上，以2014-2016年野外调查数据为基础，结合文献研究资料，运用数量方法研究了石羊河下游干旱荒漠区野生植物的濒临消失风险和优先保护级别。以样线分布频度、样地分布频度、现存多度、分布方式和确限度5项指标，对该区域植物濒临消失程度进行定量评价。结果表明，石羊河下游干旱荒漠区有极易消失种7种，容易消失种9种，可能消失种10种，其余252种为安全种。利用濒临消失风险指数、遗传损失指数和利用价值指数3个指数，对该区域各植物物种的优先保护顺序进行综合评定，划分了保护级别，由此确定了石羊河下游干旱荒漠区一级优先保护植物有10种，二级优先保护植物有18种，非保护植物共250种。
Abstract:
 This paper mainly studied the extinction risk and the classes of conservation priority of wild plants in the lower reaches of Shiyang River by using quantitative methods,based on field investigation from 2014 to 2016,as well as literature consulting.The degree of endangerment was evaluated quantitatively by 5 indices: distribution frequency of line-transect,distribution frequency of sample plot,existent abundance,distribution mode,and exclusiveness.The results showed that there were 7 endangered species,9 vulnerable species,10 near threatened species and 252 safe species in the lower reaches of Shiyang River.A comprehensive evaluation was carried out on the order of priority for conservation of plant species by endangerment index,genetic loss index and utility value index.Ten species were the first rank for protection,18 were in the second rank,and 250 were non-protection species.

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备注/Memo

备注/Memo:
 收稿日期：2016-12-07修回日期：2017-03-03
基金项目：甘肃省科技支撑计划项目（1304FKCH100，144NKCH057）；“甘肃民勤连古城国家级自然保护区第二期综合科学考察”基金项目。
作者简介：曾新德，男，高级工程师，研究方向：荒漠化防治。E-mail:lgczxd@163.com
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