摘要
以河南省民权县农区林业为对象，全面系统地分析了民权县农区林业的生态、经济和社会效益。据１９９１年调查，全县立木总资产７１５６．８１万元，立木年增值１９１１．５３万元；１９９１年全县林业总产值９９７６．８４万元；林业商品率５７．８％；林业直接为１．２３万人提供了就业机会。农区林业可以改善农田小气候；农林间作生物量比单纯农地提高５％～２０％，光能利用率提高了５％～２０％。直接为农用积肥提供了基质１．７６１万ｔ；和１９４９年相比，扩大耕地１５１２０ｈｍ２；生态条件改善使农业产值增加３４２４．４万元。民权林木为畜牧提供粗饲料１．３８５１万ｔ，为整个牧用粗饲料的２１．９５％，对畜牧业收入的贡献率为３２．６７％，可增加畜牧业产值３１２８万元；全县养蜂产值２９９万元；对畜牧业贡献率为３５．０８％。村社林可以改善人畜的生态环境；减少医药费开支６２６．８９万元。
The aim of this paper
was to show a comprehensive picture of the ecologicaleconomicsocial function of farm forestry
in Minquan County of Henan Province.In Minquan County in 1992,the total stumpage valued 71.
57 million Yuan or 100.24 Yuan per person;the annual increment values 19.12 million Yuan;the
total forest income was 99.77 million Yuan,or 150.8 Yuan per capital accounting for 27.59% of
the total rural income;forestry and related industry provided 12 300 job opportunity directly and
13 100 labor opportunity indirectly.Farm forestry could improve the microclimate of
farmland;forestry provided 108 963.98 tons of organic materials for fertilizer for agricultural
purpose;compared with that in 1949,the farmland was enlarged by 15 120 hm2;the average
wind speed decreased,strong wind and sandstorm times were decreased;the soil fertility was
improved obviously.1 385.5 tons or 21.95% of the total raw fodder provided by the
forestry.Villiage forest could improve the living condition of the people and anim al
there,including the reduction of medical expenditure,which estimated to value 6 268 900
Yuan.The natural resource utilization rate was increased.
出处
《林业科学研究》
CSCD
北大核心
1999年第2期165-171,共7页
Forest Research
关键词
农区
林业经济效益
综合评价
farm forestry
economic
impacts
ecological impacts
social impacts
Integrated evaluation
