grass height 中文意思是什麼
grass height
解釋
莖長-
A brown spotted lady - bug climbed the dizzy height of a grass blade, and tom bent down close to it and said : " lady - bug, lady - bug, fly away home, your house is on fire, your children s alone,
一隻背上有棕色斑點的花大姐趴在一片草葉的葉尖，湯姆俯下身子，對它說： 「花大姐，花大姐，快回家，你的家裡著火啦，你的娃娃找媽媽。 」 -
The habitats for moving about of great bustard are hillocks on grassland. and they prefer to move about on the valleies of grassland during their breeding season. there are 4 main vegetation characteristic factors that determine the nest - site selection, the factors are the vegetation canopy, vegetation density, food and the height of plant. the great bustard selects the areas with higher vegetation canopy, vegetation density, plant species and insect quantity. most height of plants are below 20cm, but we also found they move about in tall grass occasionally
大鴇繁殖期活動棲息地為波狀起伏的草原漫崗地，多喜歡活動在海拔為170 300m左右，四周高、中間凹的漫崗凹地中。決定大鴇繁殖期棲息地選擇的主要植被特徵因子共有4個，分別為植被蓋度因子、植被密度因子、食物因子和植物高度因子。大鴇多選擇在植被蓋度和密度較大、植物種類和昆蟲數量較多及多數植物高度在20cm以下，但又不乏高草的地方活動。 -
Using the cluster analysis method and studying 16 sampling plots of shrub grassland where bothriochloa ischaemum is the dominant species, and the plots ' grass frequency, grass coverage, density, height, and biomass, we graded the plots into five grazing stages : light, proper, moderate, serious, and extreme
摘要在對放牧利用下的白羊草灌叢草地頻度、蓋度、密度、高度、生物量等數量特徵調查基礎上，運用系統聚類分析方法，可戒分為輕放、適牧、中牧、重牧和極牧五個階段。
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