1) Falling problem of seeds
落种性
3) Community species diversity
群落物种多样性
1.
A conservation priority evaluation system of the secondary natural units within a nature reserve based on community species diversity;
自然保护区次级自然单元群落物种多样性优先保护评价体系构建
4) larch(Larix)species
落叶松种
1.
Three-years phenological variation after afforestation and annual growth of 7 larch(Larix)species,7 hybrid(intra-species or inter-species)families were observed and measured in Dagujia forestry station in Qingyuan County,Liaoning Province.
对造林后1~3年生7种(变种)落叶松和7个种内和种间杂种家系的9个物候期进行连续定株观察及生长量调查,利用方差分析方法研究落叶松种间、家系间物候期的变异,利用主成分分析方法划分落叶松种(家系)的物候群,利用典型相关分析方法确定物候期与幼林生长量之间的关系。
补充资料：种落
1.种族部落。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条