2025 biology talkshow :自然界生命組織與變動-族群與群集

介紹了生態學中關於生命組織的兩個重要層級：族群和群集。定義了族群是一群在特定時間地點生活的同種生物，並說明了影響族群大小變化的因素，如出生、死亡和遷移。探討估算族群數量的幾種方法，包括捉放法、畫區法和直接計數法。進一步解釋了群集的概念，指涉在同一區域內不同物種族群的集合，強調物種間的互動關係如食物鏈和食物網。生態演替是群集隨時間發生的結構變化，展現了自然生態的動態性。 Powered by Firstory Hosting

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2025 biology talkshow :自然界生命組織與變動-族群與群集

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