Trading water for carbon with biological sequestration

被引：919

作者：

Jackson, RB ^{[1
]}

Jobbágy, EG

Avissar, R

Roy, SB

Barrett, DJ

Cook, CW

Farley, KA

le Maitre, DC

McCarl, BA

Murray, BC

机构：

[1] Duke Univ, Nicholas Sch Environm & Earth Sci, Dept Biol, Durham, NC 27708 USA

[2] Duke Univ, Ctr Global Change, Durham, NC 27708 USA

[3] Univ Nacl San Luis, IMASL, Grp Estudios Ambientales, RA-5700 San Luis, Argentina

[4] Consejo Nacl Invest Cient & Tecn, RA-5700 San Luis, Argentina

[5] Duke Univ, Dept Civil & Environm Engn, Durham, NC 27708 USA

[6] CSIRO Land & Water, Canberra, ACT 2601, Australia

[7] CSIR, ZA-7599 Stellenbosch, South Africa

[8] Texas A&M Univ, Dept Agr Econ, College Stn, TX 77843 USA

[9] Res Triangle Inst, Ctr Regulatory Econ & Policy Res, Res Triangle Pk, NC 27709 USA

来源：

SCIENCE | 2005年 / 310卷 / 5756期

关键词：

D O I：

10.1126/science.1119282

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Carbon sequestration strategies highlight tree plantations without considering their full environmental consequences. We combined field research, synthesis of more than 600 observations, and climate and economic modeling to document substantial losses in stream flow, and increased soil salinization and acidification, with afforestation. Plantations decreased stream flow by 227 millimeters per year globally (52%), with 13% of streams drying completely for at least 1 year. Regional modeling of U.S. plantation scenarios suggests that climate feedbacks, are unlikely to offset such water losses and could exacerbate them. Plantations can help control groundwater recharge and upwelling but reduce stream flow and salinize and acidify some soils.

引用

页码：1944 / 1947

页数：4

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