The key threats to this species are most likely deforestation, habitat fragmentation and seedling intense intraspecific competition under the condition of canopy closing.
导致种群下降的主要原因可能是人为采伐、生境破碎化和在郁闭条件下幼苗种内竞争激烈等。
There was high degree of individual spatial relatedness, sharp intraspecific competition and powerfully occupy space.
种内竞争强烈,对空间有较强的占据能力。
The result showed that the intraspecific competition was more intensive than the interspecific competition. Especially the competition between larch and ash was the least relative.
结果表明,落叶松的种内竞争大于种间竞争,且落叶松与水曲柳之间的竞争相对最小。
The findings show that the intraspecific competition intensity in Shima superba decreases gradually with the increase in tree diameter.
结果表明:木荷所受到的竞争强度随着林木径级的增大而逐渐减小。
This critical threshold of differentiation in resource utilization is termed the limiting similarity, Ii is determined by the balance between intraspecific competition and interspecific competition.
在资源利用分化上的临界阈值叫做极限相似性。极限相似性决定于种内竞争强度和种间竞争强度之间的平衡。
The results showed that the intraspecific competition intensity in C. concinna decreased gradually with increasing tree diameter.