论文部分内容阅读
新中国成立后,特别是“七五”以来,天津市实施了“三北”防护林、平原防护林、沿海防护林、京津周围地区造林绿化、治沙工程等。 天津市现有森林124106公顷,全市林木覆盖率13.7％。全市活立木总蓄积量525万立方米,年果品总产25.14万吨。津北山区森林达到38634公顷,森林覆盖率67.31％;整个山区以油松、柏类、栎类、果类为主体构成的多林种多树种在绵延起伏的群山峻岭中显得郁郁葱葱,成为津沽大地独具特色的山地绿翡翠。
Since the founding of New China, especially since the Seventh Five-Year Plan, Tianjin has implemented “Three Norths” shelterbelts, plain shelterbelts, coastal shelterbelts, afforestation and desertification control projects in and around Beijing and Tianjin. The existing forest in Tianjin 124,106 hectares, the city’s forest coverage rate of 13.7%. The city’s total volume of standing trees 5.25 million cubic meters, the annual output of 251,400 tons of fruit products. The forest in Jinbei Mountain reaches 38634 hectares and the forest coverage rate is 67.31%. The multi-tree species with the main body of Pinus tabulaeformis, Cypress, Quercus and Fructification in the mountainous area appear lush in the rolling mountains and mountains, becoming Jingu unique green mountain jade emerald.