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| DOI | 10.1002/eco.2642 |
| Valuation of forest-management and wildfire disturbance on water and carbon fluxes in mountain headwaters | |
| 发表日期 | 2024 |
| ISSN | 1936-0584 |
| EISSN | 1936-0592 |
| 起始页码 | 17 |
| 结束页码 | 3 |
| 卷号 | 17期号:3 |
| 英文摘要 | Recent drought, wildfires and rising temperatures in the western US highlight the urgency of increasing resiliency in overstocked forests. However, limited valuation information hinders the broader participation of beneficiaries in forest management. We assessed how historical disturbances in California's Central Sierra Nevada affected live biomass, forest water use and carbon uptake and estimated marginal values of these changes. On average, low-severity wildfire caused greater declines in forest evapotranspiration (ET), gross primary productivity (GPP) and live biomass than did commercial thinning. Low-severity wildfires represent proxies for prescribed burns and both function as biomass removal to alleviate overstocked conditions. Increases in potential runoff over 15 years post-disturbance were valued at $108,000/km2 for commercial thinning versus $234,000/km2 for low-severity wildfire, based on historical water prices. Respective declines in GPP were valued at -$305,000 and -$1,317,000/km2, based on an average social cost of carbon. Considering biomass levels created by commercial thinning and low-severity fire as more-sustainable management baselines for overstocked forests, carbon uptake over 15 years post-disturbance can be viewed as a benefit rather than loss. Realizing this benefit upon management re-entry may require sequestering thinned material. High-severity wildfire and clearcutting resulted in greater declines in ET and thus greater potential water benefits but also substantial declines in GPP and live carbon. These lessons from historical disturbances indicate what benefit ranges from fuels treatments can be expected from more-sustainable management of mixed-conifer forests and the importance of setting an appropriate baseline. |
| 英文关键词 | carbon stability; forest management; land ownership; nature-based solution; runoff; valuation; wildfire |
| 语种 | 英语 |
| WOS研究方向 | Environmental Sciences & Ecology ; Water Resources |
| WOS类目 | Ecology ; Environmental Sciences ; Water Resources |
| WOS记录号 | WOS:001193090600001 |
| 来源期刊 | ECOHYDROLOGY
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/300751 |
| 作者单位 | University of California System; University of California Merced; University of Colorado System; University of Colorado Boulder; University of California System; University of California Irvine; University of Virginia |
| 推荐引用方式 GB/T 7714 | . Valuation of forest-management and wildfire disturbance on water and carbon fluxes in mountain headwaters[J],2024,17(3). |
| APA | (2024).Valuation of forest-management and wildfire disturbance on water and carbon fluxes in mountain headwaters.ECOHYDROLOGY,17(3). |
| MLA | "Valuation of forest-management and wildfire disturbance on water and carbon fluxes in mountain headwaters".ECOHYDROLOGY 17.3(2024). |
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