9afc 望谟县特有竹种多毛箬竹种群现状及保护评价
望谟县特有竹种多毛箬竹种群现状及保护评价
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S795

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贵州省特色林业产业科研项目(特林研2020-17)


Population Status and Protection Evaluation of Endemic Bamboo Species Indocalamus hirsutissimus in Wangmo County
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    摘要:

    多毛箬竹目前仅贵州省望谟县有零星分布,是一种易危物种。为了解多毛箬竹的生存状况,对其进行了样地调查。研究结果发现从龄级结构来看,3个样地中最多的是1年生竹,占比34.78%,而4年生竹仅占8.70%,表明该竹种种群的年龄结构为增长型;地径级和竿高级主要集中在第Ⅲ级,分别为1 cm<D≤1.5 cm、2.5 m<H≤3 m,这符合竹类植物的径级结构及竿高级结构分布。调查发现,人为破坏和竞争作用是造成多毛箬竹种群缩小的主要因素,应采取相关措施对其进行保护和发展,扩大该竹种的种群数量。

    Abstract:

    Indocalamus hirsutissimus is a vulnerable species,which is only sporadically distributed in Wangmo County,Guizhou Province.In order to understand the living condition of I.hirsutissimus,a sample plot survey was carried out.The results showed that from the perspective of bamboo age class structure,1yearold bamboo accounting for 34.78% was the most bamboo in the three plots while 4yearold bamboo only accounted for 8.70%,indicating that the age structure of the bamboo population was growing.The ground diameter class and rod height class were mainly concentrated in the third grade,which were 1 cm<D≤1.5 cm and 2.5 m<H≤3 m,respectively,which were in line with the diameter class structure and rod height class structure distribution of bamboos.Our investigation found that manmade destruction and competition were the main factors leading to the population reduction of I.hirsutissimus.Relevant measures should be taken to protect and develop the bamboo species and expand the population of this bamboo species.

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  • 在线发布日期: 2022-07-29
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