petraitis 中文意思是什麼
petraitis
解釋
佩特雷蒂斯-
68 quadrats were divided into 8 types of communities by twinspan, which can be treated as one - dimension resource states. the niche breadths and overlaps of main dominant species were measured using a series of indices proposed by levins, shannon - wiener and petraitis
在該地區植被的優勢種生態位的研究方面，仍然運用twinspan把樣方分為8個群落類型，用levins 、 shannon - wiener生態位寬度公式和petraitis生態位特定重疊指數公式測定群落中主要種群生態位寬度和生態位重疊，並分析各種群生態位的生態學意義。
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