长江中上游防护林体系森林植被碳贮量及固碳潜力估算

长江流域资源与环境 >> 2009, Vol. 18 >> Issue (2): 111-.

长江中上游防护林体系森林植被碳贮量及固碳潜力估算

张林¹| 王礼茂²| 王睿博^2|3

1.中国科学院青藏高原研究所|北京 100085； 2.中国科学院地理科学与资源研究所|北京 100101；
3.中国地质大学地球科学与资源学院|北京 100083

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2009-02-20

ESTIMATION OF FOREST CARBON STORAGE AND SEQUESTRATION OF SHELTERBELT IN UPPER AND MIDDLE REACHES OF THE YANGTZE RIVER

ZHANG Lin¹, WANG Limao², WANG Ruibo^2,3

1.Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing 100085, China； 2.Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China； 3.College of Earth Science and Resources| China University of Geosciences, Beijing 100083, China

Received:1900-01-01 Revised:1900-01-01 Online:2009-02-20

摘要/Abstract

摘要：

基于“八五”期间长江中上游流域各省的森林资源调查资料，结合经典的材积源生物量法估算了长江中上游防护林体系生物量碳密度和碳贮量，并根据不同树种生物量-生产力回归关系推算了该地区当前的固碳潜力。结果表明：长江中上游地区森林平均碳密度为2575 t/hm2；碳贮量为1 39459 Tg (1 Tg = 1012 g)，其中林分（包括经济林）碳贮量为1 20430 Tg，灌木林为13437 Tg，竹林为5592 Tg，三者分别占总碳贮量的8636%、963%和401%。整个防护林体系森林植被的固碳潜力为36856 Tg/a。位于本区西部的四川盆地嘉陵江流域和西部高山峡谷区，其森林碳密度、碳贮量和固碳潜力较高，而东部地区的川鄂山地长江干流、鄱阳湖水系以及洞庭湖水系相对较低，因此，长江中上游森林碳密度、碳贮量和固碳潜力总体上呈现自西向东逐渐降低的趋势。

关键词: 碳密度, 碳贮量, 固碳潜力, 长江中上游防护林

Abstract:

Based on inventory data investigated during the “Eighth Five Year”,forest biomass carbon density and storage were estimated by a classical method converting timber volume to total forest biomass.Also,potential carbon sequestration was estimated according to the regressions between forest biomass and net production of different tree species.Average carbon density and total carbon storage in upper and middle reaches of the Yangtze River is 2575 t/hm2 and 1 39459 Tg (1 Tg = 1 012 g),respectively.Carbon storage of stand (including nonwood),shrub and bamboo is 1 20430,13437 and 5592 Tg,accounting for 8636%，963% and 401% of the total carbon storage,respectively.Potential carbon sequestration was estimated as 36856 Tg/a.Forest carbon density,storage and potential sequestration were higher in Sichuan Basin Jialinjiang Valley and the West Region with Mountains and Gorges,and lower in Boyang and Dongting water systems,leading to a declining trend in forest carbon density,storage and sequestration from west to east in upper and middle reaches of the Yangtze River.

Key words: carbon density, carbon storage, potential carbon sequestration, upper and middle reaches of the Yangtze River

张林, 王礼茂, 王睿博,. 长江中上游防护林体系森林植被碳贮量及固碳潜力估算[J]. 长江流域资源与环境, 2009, 18(2): 111-.

ZHANG Lin,WANG Limao,WANG Ruibo,. ESTIMATION OF FOREST CARBON STORAGE AND SEQUESTRATION OF SHELTERBELT IN UPPER AND MIDDLE REACHES OF THE YANGTZE RIVER[J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2009, 18(2): 111-.

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