CAJ | 학술논문

以黄河三角洲退化湿地人工引水恢复区为研究对象,采用野外植被调查、土壤采样结合室内实验方法,对植被的种类、密度、盖度、频度和重要值以及土壤含水量、pH值、有机质、全氮以及全磷等指标进行分析,旨在探讨人工引水恢复工程对黄河三角洲退化湿地所产生的生态效应。结果表明：随着水分条件的改善,恢复区植被呈现出正向演替;恢复区土壤含水量明显高于未恢复区,pH值则明显降低,土壤有机质含量高于未恢复区,土壤全氮、全磷含量变化不大。可见,引水恢复工程已经使退化湿地的生态环境得到了一定程度的改善,淡水资源仍是制约退化湿地恢复的关键因素。
이황하삼각주퇴화습지인공인수회복구위연구대상,채용야외식피조사、토양채양결합실내실험방법,대식피적충류、밀도、개도、빈도화중요치이급토양함수량、pH치、유궤질、전담이급전린등지표진행분석,지재탐토인공인수회복공정대황하삼각주퇴화습지소산생적생태효응。결과표명：수착수분조건적개선,회복구식피정현출정향연체;회복구토양함수량명현고우미회복구,pH치칙명현강저,토양유궤질함량고우미회복구,토양전담、전린함량변화불대。가견,인수회복공정이경사퇴화습지적생태배경득도료일정정도적개선,담수자원잉시제약퇴화습지회복적관건인소。
In order to explore the ecological effects of the water diversion project to restore the degradated wetland in the Yellow River delta,the species composition,density,coverage,frequency and important values were investigated and the soil properties such as soil water contents,pH,organic matter,the total nitrogen and the total phosphor etc.were measured with experimental methods in restored areas and the unrestored areas respectively.The results show that the vegetation community has developed towards the positive succession with the improvement of the water condition.The soil water contents and the soil organic matter contents are higher in the restored areas than in the unrestored areas,while the soil pH is reduced.The soil total nitrogen content and the total phosphorus content are not changed significantly.The ecological environment of the degradated wetland is improved to some extent through the diversion project,and the fresh water resource is still the dominant factor to restore the degradated wetland.