黄淮海平原豫北地区农林业系统的能量研究

应用生态学报 ›› 1994, Vol. 5 ›› Issue (4): 355-359.

黄淮海平原豫北地区农林业系统的能量研究

吴刚, 冯宗炜

中国科学院生态环境研究中心, 北京 100085

收稿日期:1992-07-07 修回日期:1993-09-13 出版日期:1994-10-24 发布日期:1994-10-24
基金资助:
中国科学院封丘农业生态实验站基金

Energy study on agroforestry systems in northern Hennan Huanghuaihai plain

Wu Gang, Feng Zongwei

Research Canter for Eco-environmental Science, Academia Sinica, Beijing 100085

Received:1992-07-07 Revised:1993-09-13 Online:1994-10-24 Published:1994-10-24

摘要/Abstract

摘要： 对黄淮海平原豫北地区农林业系统3种群落类型(沙兰杨-小麦·玉米(POTZ)、泡桐-小麦·玉米(PATZ)和苹果-小麦·花生(MTA))进行了研究,结果表明,POTZ类型的年群落净固定能量为43.6235×10¹⁰J·ha^-1,PATZ为45.6426×10¹⁰J·ha^-1,MTA为49.6000×10¹⁰J·ha^-1.年群落现存能量分别为55.2174×10¹⁰,57.7595×10¹⁰和78.4699×10¹⁰J·ha^-1;群落的光能利用率分别为1.000,1.047和1.138%.群落的能量效率分别比传统的农田系统增加11.83、14.45和28.25%.在农业林业系统中,苹果-小麦·花生群落类型为最佳群落类型。

关键词: 农林业系统, 群落类型, 能量, 氧同位素, 水分来源, 土石山区, 退耕还林

Abstract: Energy study on three agroforestry systems in northern Henan Huanghuaihai plain shows that the annual net energy fixed by Populus×euramericana-Triticum and Zea mays(POTZ) system is 43.6235×10¹⁰·ha^-1, that by Paulownia-Triticum and Zea mays(PATZ) system is 45.6426×10¹⁰·ha^-1, and that by Mains pumila-Triticum and Arachis hypogaea(MTA) system is 49.6000 ×10¹⁰J·ha^-1. The existing energy is respectively 55.2174×10¹⁰, 57.7595×10¹⁰ and 78.4699×10¹⁰J·ha^-1, and the utilization efficiency of light energy is respectively 1.000, 1.047 and 1.138%. In comparing with farmland system(FLS), the energy efficiency of thes, three agroforestry systems increases by 11.88,14.45 and 28.25%, respectively. From the viewpoint of energy, MTA system is the optimal one.

Key words: Agroforestry system, Community type, Energy, water source., rocky mountainous area, oxygen isotope, returning cropland to forestland

吴刚, 冯宗炜. 黄淮海平原豫北地区农林业系统的能量研究[J]. 应用生态学报, 1994, 5(4): 355-359.

Wu Gang, Feng Zongwei. Energy study on agroforestry systems in northern Hennan Huanghuaihai plain[J]. Chinese Journal of Applied Ecology, 1994, 5(4): 355-359.

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