不稳定群落
The age structure of most dominant species community is declining, and the community species composition unstable.
样地内多数优势种群的年龄结构为衰退型, 群落的种类组成不稳定.
Indicating that this community was an unstable low-incidence malarious area with tertian malaria dominating.
,脾肿率1.33%,AES为2.125,稳定性指数为0.43,表明该地是以间日疟为主的非稳定性低疟区。
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