安徽林业科技
安徽林業科技
안휘임업과기
ANHUI FORESTRY SCIENCE AND TECHNOLOGY
2015年
1期
41-43,65
,共4页
杭州市%森林城市%涵养水源%保土防淤%经济效益
杭州市%森林城市%涵養水源%保土防淤%經濟效益
항주시%삼림성시%함양수원%보토방어%경제효익
Hangzhou City%Urban forests%Water conservation%Soil conservation and silt prevention%Economic benefits
本文阐述了杭州市“森林城市”在涵养水源、保土以及防淤功能方面的作用，并对其经济价值进行评价。结果表明：杭州城市森林生态系统每年蓄水15.39亿 m<sup>3</sup>，蓄水经济效益为46.18万元；每年调节径流、滞洪蓄洪能力约为7.18亿 m<sup>3</sup>，防洪经济效益达21.57亿元；每年有效减少土壤流失1541万 t，保持土壤效益约为5.50亿元；每年减少河流、湖泊淤积770.5万 t，防淤价值为1.93亿元。
本文闡述瞭杭州市“森林城市”在涵養水源、保土以及防淤功能方麵的作用，併對其經濟價值進行評價。結果錶明：杭州城市森林生態繫統每年蓄水15.39億 m<sup>3</sup>，蓄水經濟效益為46.18萬元；每年調節徑流、滯洪蓄洪能力約為7.18億 m<sup>3</sup>，防洪經濟效益達21.57億元；每年有效減少土壤流失1541萬 t，保持土壤效益約為5.50億元；每年減少河流、湖泊淤積770.5萬 t，防淤價值為1.93億元。
본문천술료항주시“삼림성시”재함양수원、보토이급방어공능방면적작용，병대기경제개치진행평개。결과표명：항주성시삼림생태계통매년축수15.39억 m<sup>3</sup>，축수경제효익위46.18만원；매년조절경류、체홍축홍능력약위7.18억 m<sup>3</sup>，방홍경제효익체21.57억원；매년유효감소토양류실1541만 t，보지토양효익약위5.50억원；매년감소하류、호박어적770.5만 t，방어개치위1.93억원。
In this paper the functions of Hangzhou urban forests in water and soil conservation and silt prevention were elaborated and their economic values were evaluated. The results showed that Hangzhou urban forest ecosystem has an annual water storage of 1.539 billion m<sup>3</sup> with a water storage economic benefit of 461 800 Chinese yuan, an annual runoff regulation, flood detention and flood storage capacity of 718 million m<sup>3</sup> with a flood control economic benefit of 2.157 billion Chinese yuan, an annual effective decrease of soil erosion of 15.41 million t with a soil conservation effect of 550 million Chinese yuan and an annual silt reduction in rivers and lakes of 7.705 million t with a value of 193 million Chinese yuan.
