| 来源类型 | Article |
| 规范类型 | 其他 |
| DOI | 10.1111/gcb.13443 |
| Land management: data availability and process understanding for global change studies. | |
| Erb K-H; Luyssaert S; Meyfroidt P; Pongratz J; Don A; Kloster S; Kuemmerle T; Fetzel T | |
| 发表日期 | 2017 |
| 出处 | Global Change Biology 23 (2): 512-533 |
| 出版年 | 2017 |
| 语种 | 英语 |
| 摘要 | In light of daunting global sustainability challenges such as climate change, biodiversity loss and food security, improving our understanding of the complex dynamics of the Earth system is crucial. However, large knowledge gaps related to the effects of land management persist, in particular those human-induced changes in terrestrial ecosystems that do not result in land cover conversions. Here we review the current state of knowledge of ten common land management activities for their biogeochemical and biophysical impacts, the level of process-understanding and data availability. Our review shows that ca. one tenth of the ice free land surface is under intense human management, half under medium and one fifth under extensive management. Based on our review, we cluster these ten management activities into three groups: (1) management activities for which datasets are available, and for which a good knowledge base exists (cropland harvest and irrigation); (2) management activities for which sufficient knowledge on biogeochemical and biophysical effects exists but robust global datasets are lacking (forest harvest, tree species selection, grazing and mowing harvest, N-fertilization); and (3) land management practices with severe data gaps concomitant with an unsatisfactory level of process understanding (crop species selection, artificial wetland drainage, tillage and fire management and crop residue management, an element of crop harvest). Although we identify multiple impediments to progress, we conclude that the current status of process understanding and data availability is sufficient to advance with incorporating management in e.g. Earth System or Dynamic Vegetation models in order to provide a systematic assessment of their role in the Earth system. This review contributes to a strategic prioritization of research efforts across multiple disciplines, including land system research, ecological research and Earth system modelling. |
| 关键词 | Land management global land use datasets data availability land-cover modification process understanding Earth system models |
| URL | http://pure.iiasa.ac.at/id/eprint/13408/ |
| 来源智库 | International Institute for Applied Systems Analysis (Austria) |
| 引用统计 | |
| 资源类型 | 智库出版物 |
| 条目标识符 | http://119.78.100.153/handle/2XGU8XDN/130945 |
| 推荐引用方式 GB/T 7714 | Erb K-H,Luyssaert S,Meyfroidt P,et al. Land management: data availability and process understanding for global change studies.. 2017. |
| 条目包含的文件 | ||||||
| 文件名称/大小 | 资源类型 | 版本类型 | 开放类型 | 使用许可 | ||
| Land%20management.pd（673KB） | 智库出版物 | 限制开放 | CC BY-NC-SA | 浏览 | ||
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