1) bark beetle population
小蠹种群
1.
Spatial niches of bark beetle population in Picea crassifolia natural forests;
青海云杉天然林内小蠹种群空间生态位的研究
2) bark beetle
小蠹
1.
This paper summarizes the recent progress in the study on chemical ecology of tritrophic interactions among host-plants, bark beetles and natural enemies.
综述了寄主植物、小蠹、天敌三重营养关系的化学生态学研究。
2.
An investigation carried out recently on the bark beetles of Pinusarmandi showed that36 species of them existed which harm P.
对华山松小蠹的近期调查表明 ,危害华山松的小蠹种类共有 36种 ,其中 5种为新记录种。
3) bark beetles
小蠹
1.
Species and control of bark beetles attacking Juglans regia;
危害核桃的小蠹种类及防治对策
2.
sp have been used to attract bark beetles of Pinus armandi and I.
应用南松大小蠹Ｄｅｎｄｒｏｃｔｏｎｕｓｆｒｏｎｔａｌｉｓ、西松大小蠹Ｄ。
4) small population
小种群
1.
Allee effect and its significance to small population management in nature reservation and biological invasions;
阿利效应及其对生物入侵和自然保护中小种群管理的启示
2.
Mating system and genetic diversity in a small population of perennial wild rice Oryza rufipogon;
普通野生稻小种群的交配系统与遗传多样性
3.
This would be lead to a series changes in biological factors and nonbiological factors and result in grave consequences,such as the species population divided into many small populations,the gene flow was impacted because of the immigrate and emigrate of species were affected,and the population would lose genetic variation.
由于人类活动造成的生境破碎,对生态系统的影响很大,使片断状生境中的生物因子和非生物因子都发生了一系列变化,生境片断化将物种种群分割为若干个小种群,影响物种的迁入和迁出,基因的流动受阻,遗传变异丧失,加之小种群易于灭绝,结果使种群遗传多样性减少,从而加速物种灭绝的进程。
5) Population size
种群大小
1.
Identification of effective pollinators of Primula merrilliana and effects of flower density and population size on pollination efficiency;
安徽羽叶报春的有效传粉昆虫及花朵密度和种群大小对传粉效果的影响
2.
Appropriate management of vulnerable or endangered populations requires reliable estimates of the population size.
对于易受伤害或濒危物种的有效管理需要准确评估种群大小。
6) minimum population
最小种群
补充资料：种群增长率(见种群出生率)
种群增长率(见种群出生率)
种群增长率见种群出生率。
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