鳥群集結 的英文怎麼說
中文拼音 [niǎoqúnjíjiē]
鳥群集結
英文
bird concentration-
5. there exists resource partition in nest - site selection among grassland birds, there are three guilds : nesting in higher and denser grass birds guild ; nesting in lower and more sparser grass birds guild ; middle type birds guild
5 .通過草原鳥類在巢位選擇時對巢址資源分割的研究,揭示了草原鳥類群落的集團結構,共分為三個集團,即:高密度、高草營巢鳥類集團;低密度、低草營巢鳥類集團;中間類型營巢的鳥類集團。By studying the birds composition, quantity, species diversity and evenness, consumer biomass of community ; feeding niche, gathering and encountering probability of birds, we illustrate the characteristics of mountainous secondary forests wintering birds community in temperate zone in northeast china, and the changing trends and the relation with environments of birds community for 12 years fore - and - aft
通過對群落內鳥類組成及數量、種的多樣性和均勻性及消費生物量、鳥類的取食生態位,鳥類的集群及種間相遇幾率等方面的研究,基本闡明了溫帶環境中我國北方山地次生闊葉林冬季鳥類群落結構的特點,以及12年前後其鳥類群落結構的變化趨勢、與環境變化的關系等。
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