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bu tong di mao lei xing qu zi ran cun luo sheng tai xi tong de bi jiao fen xi
Author(s): 
Pages: 11-15+66
Year: Issue:  2
Journal: Rural Eco-Environment

Keyword:  village ecosystemcourtyard areacourtyard e- conomicspopulation densityfarmland productivityculti- vation radium.;
Abstract: In this paper,the changes of index represt-ing the structure and function of village ecosystem in different geomorphologic regions (mountainous and hilly re- gion,piedmont plain, low plain and coastal plain) are quantitatively analyzed through investigation. The results show that courtyard area of plain belt is larger than that of mountains, which is mainly resulted from topography and land utilization policyi(2)courtyard economic income is depended on courtyard area and management hevel t (3) the changes of village scale and density is consistent with farmland productivity; (4)properly increasing village density and conrolling village scale are favourable to. shorten cultivation radium and raise labour productivity.
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