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| DOI | 10.1016/j.foreco.2020.118395 |
| Modeling evapotranspiration changes with managing Japanese cedar and cypress plantations | |
| Komatsu H. | |
| 发表日期 | 2020 |
| ISSN | 0378-1127 |
| 卷号 | 475 |
| 英文摘要 | Examining changes in evapotranspiration with forest management is one starting point for comprehensively understanding the impacts of forest management on water resources and forest resilience. This study builds on our previous work and develops a practical model that predicts changes in evapotranspiration with the management of Japanese cedar and cypress plantations. The model has distinct features that it requires only stem density, mean diameter at breast height, and basic meteorological data as inputs. This study first confirms that the model predicts annual evapotranspiration for cedar and cypress with relatively small errors (approximately 60 mm at the maximum). Next, this study shows that the model predicts changes in annual evapotranspiration with thinning and clearcutting of cedar and cypress with small errors (the mean absolute error of 86 mm). This study then demonstrates that coupling the model and yield tables enables prediction of annual evapotranspiration for different management scenarios and then the assessment of policy recommendations. Indeed, our model prediction suggests that the decrease in annual evapotranspiration with cedar and cypress aging is seemingly much smaller than that assumed in existing policy recommendations. Our model also suggests that the decrease in annual evapotranspiration with aging can more than triple by thinning at a rate of 50%, although this suggestion should be tested by future observation studies. The model is applicable only to Japanese cedar and cypress plantations under Japan's meteorological conditions, but similar models for other mono-specific plantations can be developed. This study will thus inspire forest scientists to develop models that assist policymaking for other species in other areas. © 2020 Elsevier B.V. |
| 英文关键词 | Ecosystem services; Forestry; Rainfall interception; Resilience; Transpiration; Water resources |
| 语种 | 英语 |
| scopus关键词 | Errors; Evapotranspiration; Meteorology; Annual evapotranspirations; Future observations; Management scenarios; Mean absolute error; Meteorological condition; Meteorological data; Model prediction; Policy recommendations; Forestry; clearcutting; climate conditions; coniferous tree; ecological modeling; evapotranspiration; forest management; forestry policy; mapping method; meteorology; policy making; thinning; Cryptomeria; Cupressus; Errors; Forest Management; Forestry; Meteorology; Plantations; Cryptomeria japonica; Cupressus |
| 来源期刊 | Forest Ecology and Management
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/155056 |
| 作者单位 | National Taiwan University, 1 Sec. 4, Roosevelt Road, Taipei, 10617, Taiwan |
| 推荐引用方式 GB/T 7714 | Komatsu H.. Modeling evapotranspiration changes with managing Japanese cedar and cypress plantations[J],2020,475. |
| APA | Komatsu H..(2020).Modeling evapotranspiration changes with managing Japanese cedar and cypress plantations.Forest Ecology and Management,475. |
| MLA | Komatsu H.."Modeling evapotranspiration changes with managing Japanese cedar and cypress plantations".Forest Ecology and Management 475(2020). |
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