Controls on soil dissolved organic carbon along the 4000 km North-South forest transect in Eastern China
文献类型：期刊论文
| 作者 | Gu, Jie1,2; Bol, Roland2,4; Wang, Yang5; Zhang, Huanchao1 |
| 刊名 | CATENA
 |
| 出版日期 | 2023 |
| 卷号 | 220 |
| 关键词 | Soil dissolved organic carbon Temperature and precipitation Forest type North -South transect of eastern China Climate change |
| ISSN号 | 0341-8162 |
| DOI | 10.1016/j.catena.2022.106691 |
| 文献子类 | Article |
| 英文摘要 | Dissolved organic carbon (DOC) is both a potential source and stability indicator of soil organic carbon (SOC), and plays a pivotal role in global C cycling and sequestration. However, at a large scale, still not enough in-formation is known about relations between DOC in soils and various controlling factors in natural forest eco-systems. We sampled 252 soil samples (6 replicates and 3 depths for each site) from four long-term forest ecosystem stations in Changbaishan, Beijng Donglingshan, Shennongjia and Dinghushan along a 4000 km North -South transect in Eastern China. We found that higher soil DOC concentrations were observed in subtropical forests over the North-South transect. The highest and lowest DOC concentrations in the upper 60 cm soil layer were found in monsoon evergreen broadleaved forest (DIII, 113.8 +/- 1.4 mg C/L) and Yue spruce-fir forest (CIII, 57.6 +/- 3.0 mg C/L), respectively. The Haplic ferralsol (DII-DIV, 89.7 mg C/L) and Haplic Andosol (CIII, 57.6 mg C/L) showed the highest and the lowest DOC concentrations in the upper 60 cm soil layer, respectively. The soil DOC concentrations generally decreased from surface soil to subsoil in the forests with mean annual precipitation (MAP) >= 1500 mm. The lower proportion of DOC accounting for SOC in the upper 20 cm soil layer in temperate forests, among which Yue spruce-fir forest (CIII, 3.2 %) presented the lowest ratio, indicated a larger long-term soil C sequestration potential. The DOC concentrations in the upper 60 cm soil layer significantly correlated with mean annual temperature (MAT) (R2 = 0.50) and MAP (R2 = 0.46). However, in the upper 20 cm soil layer, forest type (R2 = 0.48) was the most significant correlation factor to DOC concentration. We concluded that in the North-South transect of Eastern China, MAT, MAP and forest type are the most significant large-scale factors controlling soil DOC, with temperate forests (especially Yue spruce-fir forest) possessing the highest long-term soil C sequestration potential. |
| 学科主题 | Geosciences, Multidisciplinary ; Soil Science ; Water Resources |
| 出版地 | AMSTERDAM |
| 电子版国际标准刊号 | 1872-6887 |
| WOS关键词 | COARSE WOODY DEBRIS ; NITROGEN DON ; LITTER DECOMPOSITION ; MINERAL SURFACES ; NORWAY SPRUCE ; LAND-USE ; MATTER ; DYNAMICS ; TEMPERATURE ; FLUXES |
| WOS研究方向 | Science Citation Index Expanded (SCI-EXPANDED) |
| 语种 | 英语 |
| WOS记录号 | WOS:000877327800001 |
| 出版者 | ELSEVIER |
| 资助机构 | Chinese Academy of Science ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; [164010595] |
| 源URL | [http://ir.ibcas.ac.cn/handle/2S10CLM1/29134]  |
| 专题 | 植被与环境变化国家重点实验室 |
| 作者单位 | 1.Nanjing Forestry Univ, Coll Forestry, Nanjing, Peoples R China 2.Nanjing Forestry Univ, Coinnovat Ctr Sustainable Forestry Southern China, Nanjing, Peoples R China 3.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing, Peoples R China 4.Forschungszentrum Julich, Inst Bio & Geosci Agrosphere IBG 3, Julich, Germany 5.Bangor Univ, Sch Environm Nat Resources & Geog, Bangor, Wales |
| 推荐引用方式 GB/T 7714 | Gu, Jie,Bol, Roland,Wang, Yang,et al. Controls on soil dissolved organic carbon along the 4000 km North-South forest transect in Eastern China[J]. CATENA,2023,220. |
| APA | Gu, Jie,Bol, Roland,Wang, Yang,&Zhang, Huanchao.(2023).Controls on soil dissolved organic carbon along the 4000 km North-South forest transect in Eastern China.CATENA,220. |
| MLA | Gu, Jie,et al."Controls on soil dissolved organic carbon along the 4000 km North-South forest transect in Eastern China".CATENA 220(2023). |
入库方式： OAI收割
来源：植物研究所
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