农田防护林人工生态系统物质循环与能量流动研究

›› 1991, Vol. 27 ›› Issue (4): 393-400.

• 论文及研究报告 • 下一篇

农田防护林人工生态系统物质循环与能量流动研究

樊巍王广钦宋兆民

河南省林业科学研究所；中国林业科学研究院林业研究所

收稿日期:1990-08-23 修回日期:1900-01-01 出版日期:1991-07-25 发布日期:1991-07-25

STUDY ON THE MATTER CIRCULATION AND ENERGY FLOW OF AN ARTIFICIAL ECOSYSTEM OF THE FARMLAND SHELTERBELT

Fan Wei,Wang Guangqin,Song Zhaomin

Henan Research Institute of Forestry;Research Institute of Forestry,Chinese Academy of Forestry

Received:1990-08-23 Revised:1900-01-01 Online:1991-07-25 Published:1991-07-25

摘要/Abstract

摘要： 本文通过大量观测资料,分析了毛白杨林网人工生态系统的物质循环与能量流动过程,结果表明:该系统的生物量可达42.0334t/ha,生产力达24.3950t/ha,年枯落物量为0.5545t/ha,归还率为35.72%。氮、磷、钾、钙、镁、锰6种元素的平均循环率为15.28%,比单一农作物群落提高了9.53%;太阳能转化率为2.14%,比农作物群落提高了3.19%。

关键词: 农田防护林, 人工生态系统, 物质循环, 能量流动

Abstract: Depend on the data obtained from a lot of field experiments, the paper deals with the circulation of matter ials and energy in a farmland shelterbelt network ecosystem for Populus tomontosa Carr. The results show that the biomass of the system was 42.0334t/ha, productivity was 24.3950 t/ha, annual litterfall was 0.5545t/ha. Return rate was 35.72% and average circulation rate of 6 nutrient elements (N. P. K, Ca. Mg. Mn) was 15.28%, which was 9.53% more than that in crop system.The results also show that the energy transformer efficiency of PHAR in the system was 2.14%,which was 3.19% more than that in crop community.

Key words: Farmland shelterbelt, Artificial ecosystem, Matter circulation, Energy flow

樊巍王广钦宋兆民. 农田防护林人工生态系统物质循环与能量流动研究[J]. , 1991, 27(4): 393-400.

Fan Wei;Wang Guangqin;Song Zhaomin. STUDY ON THE MATTER CIRCULATION AND ENERGY FLOW OF AN ARTIFICIAL ECOSYSTEM OF THE FARMLAND SHELTERBELT[J]. , 1991, 27(4): 393-400.

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农田防护林人工生态系统物质循环与能量流动研究

STUDY ON THE MATTER CIRCULATION AND ENERGY FLOW OF AN ARTIFICIAL ECOSYSTEM OF THE FARMLAND SHELTERBELT

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