摘要
我国东北地区荒芜土地的主要问题是:①土地自然生产力得不到充分发挥;②土地退化。本文根据景观生态学关于人与自然共同创造的思想及生物控制共生与自然界等级组织理论,主张在东北区域的沙地上建立林、草、田复合生态系统,在沙垅间长洼地上节节修筑沙坝,控制7—8月暴雨径流,再按不同生境种植水稻、芦苇及红麻,既适应环境,又提高生产力。
There are two main problems of degraded land: (1) land degradation; (2) land capability being not rationally utilized.
This paper develops and applies three theories of landscape ecology in landscape ecological reconstruction in some degraded land. They are: (1) man should cooperate with nature; (2) the biocybernetic symbiosis; (3) the hierarchical organization of nature.
Biological production functions must be combined with ecological protection functions in landscape ecological reconstruction of degraded land. They may reconstruct the complex ecosystem of forest, grass and farm land of sandy degraded lands, and construct the sand dams in the longdepressed land between sandy dunce, and according to land types of site, plant some wet-suitable plants such as Hibiscus cannbinus, Eleusine sp. and Phragmitcs sp. etc.
出处
《地理学报》
EI
CSSCI
CSCD
北大核心
1991年第1期8-15,共8页
Acta Geographica Sinica
基金
国家自然科学基金资助项目。
关键词
荒芜土地
景观生态
建设
生物
Degraded land
Biocybernetic symbiosis
Feedback loops
Landscape ecological reconstruction
