1) Pollen representation
花粉代表性
3) Surface pollen
表土花粉
1.
Surface Pollen and Its Climatical Significance of Vertical Zone in Beitai,Xiaowutai Mountain;
小五台山北台北坡植被垂直带的表土花粉及其气候意义研究
2.
Surface pollen analysis has been an important tool for refining vegetation history and palaeoclimatic interpretations.
文章主要研究云南丽江-大理地区不同海拔高度表土花粉。
3.
A study of pollen influx and surface pollen assemblages from peak meadow, birch forest, Ostryopsis shrub, artificial pine forest and weeds grassland in Manhan and Daqing Mountains in the east part of Yinshan mountains found that the diversities are obvious of pollen influx and pollen content among different vegetation types, even among different sample sites in the same vegetation type.
阴山山脉东段蛮汉山和大青山山顶草甸、桦木林、虎榛子灌丛、人工油松林及杂草草原5个植被类型花粉通量与表土花粉对比研究发现,不同植被类型及同一植被类型不同样点花粉通量和花粉浓度差异明显,捕捉器样品花粉源区面积小于表土样品,能较好地反映样品点周围植被组成,但受虫媒植物和局地植物花粉影响,与表土样品花粉组合差异明显;表土样品中松属、桦属、蒿属及藜科花粉含量多高于捕捉器样品,表明这些花粉不仅易于传播,而且在表土中具有较强的保存能力;禾本科花粉具低代表性,花粉保存能力较低。
4) substitute for pollen
花粉代用品
5) modern pollen precipitation
现代花粉雨
6) pollen fertility
花粉育性
1.
Cytogenetic characteristics and pollen fertility of the interspecific hybrid F_1 and the amphidiploid from Cucumis hystrixChakr.×C.sativus L.;
Cucumis hystrix Chakr.×黄瓜种间杂种F_1及其双二倍体细胞遗传学特性及花粉育性研究
2.
The flower traits and pollen fertility of Citrus interspecific somatic hybrid;
柑橘种间体细胞杂种花器官特性及花粉育性
3.
Compared with diploid control,the pollen fertility and seed set of autotetraploid declined dramatically,especially in preliminary generations,and they were only 59.
与二倍体对照相比,同源四倍体材料的花粉育性、结实率均不同程度下降,尤其低代材料的花粉育性(59。
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参考词条