五道峡国家级自然保护区珍稀濒危保护植物优先保护定量研究
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摘要
采用样地法和样线法,对湖北省保康县五道峡国家级自然保护区的珍稀濒危保护植物的资源状况和分布特征进行了调查。运用濒危系数、遗传价值系数和物种价值系数3个组合指标和11个二级指标,计算出综合评价值,以此来确定保护区内珍稀濒危保护植物优化保护等级。结果表明,保护区内共有珍稀濒危保护植物43种,其中濒危物种16种,稀少物种23种,安全物种4种;属于一级优先保护物种有10种,二级19种,三级11种,四级3种,其结果与国家所确定的保护植物的保护等级并不完全相同。通过对珍稀濒危保护植物分布特征的分析发现,在800～1 600 m海拔段,珍稀濒危保护植物种类最多且特有性高,占保护区珍稀濒危保护植物总种数的72.09%,是保护区珍稀濒危保护植物分布的集中区域;高海拔段(1 600 m以上)分布有较多的珍稀濒危保护植物群落,原生性明显,具有非常重要的保护价值。
The resource status and distribution characteristics of the rare and endangered plants in Wudaoxia National Nature Reserve of Hubei Province were investigated based on sample plots and line transects.The comprehensive evaluation value was calculated by 3 combined indicators of threatened coefficient,genetic value coefficient and species value coefficient, and 11 secondary indicators to determine the optimal protection grade of rare and endangered protected plants in the reserve.The results showed that there were 43 species of rare and endangered plants in the reserve,including 16 species of endangered species,23 species of rare species and 4 species of safe species,among which,10 species were reranked as the first grade for conservation priority,19 species were re-ranked as the second grade,11 species were re-ranked as the third grade,and 3 species were re-ranked as the fourth grade,which were not identical with the grade of protected plants determined by the state. The analysis for the distribution characteristics of the rare and endangered plants found that the species were the most abundant and highly endemic at the altitude of 800 ～ 1600 m,accounting for 72. 09% of the total species in the reserve,which was the concentrated area for the distribution of rare and endangered plants. The distribution of rare and endangered plant communities were more in the high altitude section( above 1600 m),which had obvious primitiveness and important protection value.
The resource status and distribution characteristics of the rare and endangered plants in Wudaoxia National Nature Reserve of Hubei Province were investigated based on sample plots and line transects.The comprehensive evaluation value was calculated by 3 combined indicators of threatened coefficient,genetic value coefficient and species value coefficient, and 11 secondary indicators to determine the optimal protection grade of rare and endangered protected plants in the reserve.The results showed that there were 43 species of rare and endangered plants in the reserve,including 16 species of endangered species,23 species of rare species and 4 species of safe species,among which,10 species were reranked as the first grade for conservation priority,19 species were re-ranked as the second grade,11 species were re-ranked as the third grade,and 3 species were re-ranked as the fourth grade,which were not identical with the grade of protected plants determined by the state. The analysis for the distribution characteristics of the rare and endangered plants found that the species were the most abundant and highly endemic at the altitude of 800 ～ 1600 m,accounting for 72. 09% of the total species in the reserve,which was the concentrated area for the distribution of rare and endangered plants. The distribution of rare and endangered plant communities were more in the high altitude section( above 1600 m),which had obvious primitiveness and important protection value.
引文
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[17] 薛润光,杨少华.丽江玉龙雪山自然保护区珍稀濒危植物资源的初步研究[J].林业调查规划,2006,31(1):50-53.
[2] 吴小巧.江苏省木本珍稀濒危植物保护及其保障机制研究[D].南京:南京林业大学,2004.
[3] 李惠茹,汪远,马金双.上海濒危植物现状及保护对策[J].植物科学学报,2015,33(3):336-345.
[4] 中华人民共和国生态环境部,中国科学院.关于发布《中国生物多样性红色名录——高等植物卷》的公告[EB/OL].http://www.mee.gov.cn/gkml/hbb/bgg/201309/t20130912_260061.htm.
[5] 张娥,汪正祥,李泽,等.湖北崩尖子自然保护区珍稀濒危植物保护优先性评价[J].西部林业科学,2015,44(6):100-105.
[6] 蒋志刚,马克平.保护生物学原理[M].北京:科学出版社,2014.
[7] 国家环境保护局,中国科学院植物研究所.中国珍稀濒危保护植物名录(第一册)[M].北京:科学技术出版社,1987.
[8] 张玉山.国家珍贵树种名录(第一批)[J].大自然,1993(1):39-41.
[9] 中华人民共和国国务院.国家重点保护野生植物名录(第一批)[J].植物杂志,1999(5):4-11.
[10] 汪松,解炎.中国物种红色名录(第一卷)[M].北京:高等教育出版社,2004.
[11] 彭乾乾,汪正祥,汤艳,等.湖北野人谷自然保护区珍稀濒危植物优先保护定量研究[J].林业资源管理,2017(2):143-150.
[12] 夏峰.版纳河自然保护区珍稀濒危植物优先保护顺序[J].云南环境科学,1998,17(2):36-37.
[13] 汪正祥,蔡德军.湖北五道峡自然保护区生物多样性及其保护研究[M].北京:中国林业出版社,2013.
[14] 石道良,梅浩,张云,等.后河自然保护区野生保护植物优先保护定量研究[J].湖北林业科技,2011(2):12-18.
[15] 张娥,王业清,朱晓琴,等.湖北后河自然保护区珍稀濒危植物优先保护次序对比研究[J].湖北林业科技,2017,46(3):24-28.
[16] 彭乾乾,汪正祥,李亭亭,等.湖北万朝山自然保护区珍稀濒危植物优先保护定量研究[J].广西植物,2017,37(7):859-867.
[17] 薛润光,杨少华.丽江玉龙雪山自然保护区珍稀濒危植物资源的初步研究[J].林业调查规划,2006,31(1):50-53.
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