伴生树种

  • 网络associated tree species;associated species
伴生树种伴生树种
  1. 集对分析在伴生树种选择上的应用

    The Application of Set Pair Analysis for Selection of Associated Tree Species

  2. 主要伴生树种对云杉幼苗生长影响的研究

    Study on the influence of main associated tree species on growth of Picea koraiensis seedlings

  3. 伴生树种占相对优势发育阶段和稳定群落阶段的林木则趋于随机分布。

    Otherwise , the companion trees shaped random distribution pattern . community .

  4. 杉木及其伴生树种化感物质的分离与生物测定

    Isolation and Bioassay of Active Allelochemicals from Chinese fir and it 's Associated Tree Species

  5. 死、活地被物对红松伴生树种天然更新影响的实验研究林木耗水性研究述评

    Effect of litter layer on natural regeneration of companion tree species in Korean pine forest

  6. 不同立地类型组杉木适宜伴生树种的模糊选择

    A Fuzzy Selection of Optimal Accompanying Tree Species for Chinese Fir under Groups of Site Type

  7. 为皖南丘岗地区火炬松人工林提出可供选择的主要伴生树种。

    Main associated tree species are listed for Loblolly pine plantation in hillock areas of Southern Anhui Province .

  8. 分布区主要为黄壤类酸性土,伴生树种主要为马尾松。

    The distribution area is mainly the acid yellow soil , and associated species is mainly masson 's pine .

  9. 总体伴生树种的比例(面积)以20%左右为宜。

    The proportion of the tatal accompanying tree species is advisable at about 20 % in terms of area .

  10. 海拔资源空间天然杉木与主要伴生树种的生态位及种间竞争

    Niche and Interspecies Competition Between Chinese fir and its Main Associated Species in Altitude Resource Space in the Natural Mixed Stand

  11. 该树种能改良土壤,是良好的伴生树种,具有很好的商业价值。

    This species is desired for soil nutrient enhancement , good associated species , and the major commercial hardwood tree species .

  12. 放线菌根瘤植物是自然界中一类重要的固氮资源,作为先锋树种和伴生树种在造林中有重要的应用价值。

    Actinorhizal Plants are a kind of important natural nitrogen-fixing resources , and they have high value in reforestation as pioneer and accompanying species .

  13. 可以根据不同树种在不同资源维度不同资源位中的功能地位,选择杉木适宜的伴生树种。

    The adaptive associated species for Chinese fir can be selected according to the functional position of different species in different resource states of different resource dimensionalities .

  14. 因此,在杉木伴生树种选择时,要考虑到不同树种对地形、地貌的要求不一样。

    So selecting Chinese-fir associated tree species , it should be taken into consideration that when the requirements on topography , physiognomy of different tree species are different .

  15. 刺槐自毒作用及与主要伴生树种化感作用研究刺槐蜜中3种酚酸的高效液相色谱法测定

    Study of Robinia Pseudoacacia Autointoxication and Interspecific Allelopathy between Robinia Pseudoacacia and Its Associated Tree Species Determination of Three Phenolic Components in Acacia Honey by High Performance Liquid Chromatography

  16. 采用立木级存活数据、存活曲线以及数量动态等方法对闽西北天然杉阀混交林杉木及其伴生树种木荷和丝栗栲的种群动态进行研究。

    Survivorship data of tree class , size-survivorship curves and quantitative dynamics are used to analyze population dynamics of Cunninghamia lanceolata , Schima superba and Castanopsis fargesii in natural Chinese fir-and-broad-leaved mixed forest .

  17. 结果表明,甜槠及其伴生树种的相对优势度分别为59.79%和40.21%,说明未来甜槠林仍由甜槠及其伴生树种共优组成,甜槠将支配整个群落。

    The result shows that when reaching balance , the relative dominance of the Castanopsis eyrei ( Champ . ) Tutch . and its associated species are 59.79 % and 40.21 % respectively .

  18. 表明生态习性相似、对环境要求相似、亲缘关系较近的植物种相伴随出现的几率较大。另外,光皮桦在与其它主要伴生树种的竞争中,目前处于优势地位。

    It indicates that the probability of the presence of accompanying species will be high , if the species have similar ecological habits , have similar environmental requirements , and are closely evolutionarily related .

  19. 结果表明珙桐受到的竞争强度随着林木径级的增大而逐渐减小,珙桐种内竞争较之与其伴生树种间的竞争剧烈;

    The results showed that the competition intensity in Davidia involucrata decreased gradually with the increasing of forest tree diameter class and the intraspecific competition in Davidia involucrata was more intensive than interspecific competition .

  20. 群落的结构是较复杂的,其中混有13个伴生树种,16个下木种,50多个活地被物种。

    Composition of this secondary forest is rather complex , it is a mixed forest of 13 tree species with 16 woody species as undergrowth and about 50 species of different plants as living growth cover .

  21. 综合聚集强度各指标的结果表明:不同立木级杉木及其伴生树种的种群空间分布基本呈聚集分布,随着立木级的增大,各种群扩散趋势越来越明显。

    The result showed that spatial distribution pattern of different tree class of Chinese fir and its associated tree species were aggregation distribution basically , the more large of tree class , the more apparent the dispersion of different populations .

  22. 乔木层以栓皮栎占绝对优势,其重要值最高,是群落的建群种和优势种,主要伴生树种有槲栎、油松、鸡桑;

    Oriental Oak was absolutely dominant in the tree stratum , its importance value was the highest , it was the dominant and preponderant species in the community , main concomitant species were Oriental White Oak , Tabularformed Pine and Japanese Mulberry .

  23. 集对分析是对系统作同异反定量分析研究时的一种方法,将该方法用于伴生树种选择,实例表明应用该方法分析所得的结论与生产实践是基本吻合的

    Set pair analysis is a systematic analysis method , which makes study on same different opposite quantity analysis In this paper , the method is applied for the selection of associated tree species The conclusion from the example shows the method suits for practical production

  24. 不同伴生树种与杉木的竞争结局是不一样的,从现阶段杉木与伴生树种的最终竞争结局来看,可认为该群落中杉木与伴生树种的种间关系离稳定阶段尚有一定距离。

    Seen from the final results of the competition between Chinese fir and its associated species in the current stage , it could be concluded that there was a distance from a steady state of the interspecies relationship between Chinese fir and its associated species in the communities .

  25. 伴生树种的配置,不提倡株间、行间混交的形式,以带状、小快状混交的形式引入为宜,同时按照适地适树的原则严格管理;

    The disposition of accompanying tree species is advisable not in the form of the mixture of plant spacing and row spacing but of the mixture of strips and small patches under strict management and on the principle of applying different approaches to different land and different trees .