草原群集 的英文怎麼說
中文拼音 [cǎoyuánqúnjí]
草原群集
英文
grassland community-
These are the signs of the coming arctic winter : the color of the tundra changes as the water grasses turn brilliant red. the migratory birds gather in flocks along the coast and gradually drift southward. most of the birds that have spent the brief summer on the tundra now disappear, leaving only the golden eagle, the gyrfalcon, the ptarmigan, and the snowy owl to brave the sunless northern winter
這些都是北極地區冬季即將來臨的徵候：隨著水草變成艷紅色，北極苔原的顏色也改變了候鳥沿著海岸成群聚集，並逐漸南移在苔原度過短暫夏天的大部分鳥類現已消失，只剩下金鷹白隼松雞和雪白色的貓頭鷹來迎接這沒有太陽的北極之冬。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。
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