A global overview of studies about land management, land-use change, and climate change effects on soil organic carbon

被引:115
作者
Beillouin, Damien [1 ,2 ]
Cardinael, Remi [3 ,4 ,5 ]
Berre, David [3 ,6 ,7 ]
Boyer, Annie [8 ]
Corbeels, Marc [3 ,9 ]
Fallot, Abigail [10 ,11 ]
Feder, Frederic [12 ,13 ]
Demenois, Julien [3 ,14 ]
机构
[1] UPR HortSys, CIRAD, F-34398 Montpellier, France
[2] Univ Montpellier, CIRAD, HortSys, Montpellier, France
[3] Univ Montpellier, CIRAD, AIDA, Montpellier, France
[4] UPR AIDA, CIRAD, Harare, Zimbabwe
[5] Univ Zimbabwe, Dept Plant Prod Sci & Technol, Harare, Zimbabwe
[6] UPR AIDA, CIRAD, Bobo Dioulasso, Burkina Faso
[7] USPAE, CIRDES, Bobo Dioulasso, Burkina Faso
[8] DIST, CIRAD, DGDRS, Montpellier, France
[9] Int Inst Trop Agr, Nairobi, Kenya
[10] UMR SENS, CIRAD, Montpellier, France
[11] Univ Montpellier, CIRAD, SENS, Montpellier, France
[12] UPR Recyclage & Risque, CIRAD, Montpellier, France
[13] Univ Montpellier, CIRAD, Recyciage & Risque, Montpellier, France
[14] UPR AIDA, CIRAD, Montpellier, France
关键词
best management practices; Climate change mitigation; land-use and land-cover change; meta-analysis; systematic review; SEQUESTRATION; METAANALYSIS; STORAGE; MATTER; IRRIGATION; RESPONSES; WETLANDS; REVIEWS; SCIENCE; IMPACT;
D O I
10.1111/gcb.15998
中图分类号
X176 [生物多样性保护];
学科分类号
090705 ;
摘要
Major drivers of gains or losses in soil organic carbon (SOC) include land management, land-use change, and climate change. Thousands of original studies have focused on these drivers of SOC change and are now compiled in a growing number of meta-analyses. To critically assess the research efforts in this domain, we retrieved and characterized 192 meta-analyses of SOC stocks or concentrations. These meta-analyses comprise more than 13,200 original studies conducted from 1910 to 2020 in 150 countries. First, we show that, despite a growing number of studies over time, the geographical coverage of studies is limited. For example, the effect of land management, land-use change, and climate change on SOC has been only occasionally studied in North and Central Africa, and in the Middle East and Central Asia. Second, the meta-analyses investigated a limited number of land management practices, mostly mineral fertilization, organic amendments, and tillage. Third, the meta-analyses demonstrated relatively low quality and transparency. Lastly, we discuss the mismatch between the increasing number of studies and the need for more local, reusable, and diversified knowledge on how to preserve high SOC stocks or restore depleted SOC stocks.
引用
收藏
页码:1690 / 1702
页数:13
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