herd number 中文意思是什麼
herd number
解釋
注冊號碼-
Hermes stole a number of the herd and drove them back to greece
赫密士偷走了數量相當的牧群,把它們趕回希臘。 -
Both the grazing frequency and different number of herd influence the species composition of bird community, the bird species increasing following the decreasing of grazing frequency ; and the biomass decreasing following the increasing of grazing frequency, the bird species increasing following the decreasing of the number of herd ; the biomass of bird community decreasing following the increasing of the number of herd the grazing disturbance influences bird community structure by two ways : one way is that grazing disturbance influences bird community directly ; the another way is that grazing disturbance influences bird community indirectly by changing vegetation structure and habitat structure
放牧頻次和不同數量的牧群影響鳥類群落種類組成,隨著放牧頻次的減少,鳥類群落組成的物種數增加;隨著放牧頻次的增加,鳥類群落的生物量呈現出顯著的遞減。隨牧群數量的減少鳥類群落組成的物種數減少;隨著牧群數量的增加,鳥類群落的生物量呈現出遞減的趨勢。放牧干擾對鳥類群落組成影響的原因有兩方面:一是牧群的直接干擾;另一個原因是放牧影響植被結構和生境結構的變化,間接對鳥類產生影響。
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