松嫩平原低湿沼泽地稻草鱼鹅立体开发模式的初报

The Preliminary Report of the Model for the Multi-level Explotitation of “Rice-herbage-fish-goose”System on the Low-wet Land and Marshland of Song-nen Plain

该文对中国北方低湿沼泽地，树立了开发方案并取得显著成效。农业生态经济系统不能用生态系统“十分之一”定律衡量，它有多级放大效应．

The schemes for exploiting the low-wet land and marshland in northChina was established in this paper and the significant results had been obtained in prac-tice。 The agricultural ecological-economical systems should not be evaluated with the“1/10”,law and there were multi-magnifying effects in them。