Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1093/forestry/cpw021 |
An ecohydrological approach to managing dryland forests: integration of leaf area metrics into assessment and management | |
Osem, Yagil1; O’Hara, K.2 | |
通讯作者 | Osem, Yagil |
来源期刊 | FORESTRY
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ISSN | 0015-752X |
EISSN | 1464-3626 |
出版年 | 2016 |
卷号 | 89期号:4页码:338-349 |
英文摘要 | We review the use of leaf area metrics (LAM) for assessing and managing dryland forests. We propose a framework integrating individual tree to whole-ecosystem metrics representing a variety of forest features and review theory, empirical evidence and knowledge gaps. Four basic concepts underlie the LAM framework: (1) Max-LAI - an ecosystem can be characterized by an upper potential leaf area index (LAI) dictated mainly by water availability, (2) Leaf area distribution - the distribution of leaf area is proportional to the distribution of resources among vegetation components, (3) Safe-LAI - maintaining Ecosystem-LAI below Max-LAI is a way to reduce drought stress and (4) tree leaf area (TLA) - the leaf area of an individual tree as a proportion of its potential TLA, represents its vigour. Implementation of the LAM strategy requires the following: (1) better understanding how edaphic conditions and vegetation characteristics interact with climate in determining Max-LAI, (2) better understanding how leaf area is related to water use across species, vegetation strata and light regimes, (3) better understanding the interaction between LAI development and stand dynamics, (4) better capability of measuring or estimating individual tree leaf area and (5) development of species-specific references for tree vigour based on leaf area. The LAM strategy is promising for managing dryland forests under increasing drought stress. |
英文关键词 | silviculture Arid-land climate change forest monitoring leaf area index silvopastoral system |
类型 | Review |
语种 | 英语 |
国家 | Israel ; USA |
收录类别 | SCI-E |
WOS记录号 | WOS:000383899000002 |
WOS关键词 | AGE-RELATED-CHANGES ; STAND DEVELOPMENT ; WATER-USE ; CROWN CONDITION ; EUROPEAN BEECH ; QUERCUS-RUBRA ; PINE FORESTS ; REAR-EDGE ; INDEX ; GROWTH |
WOS类目 | Forestry |
WOS研究方向 | Forestry |
来源机构 | University of California, Berkeley |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/193002 |
作者单位 | 1.Agr Res Org, Volcani Ctr, Dept Nat Resources, POB 6, IL-50250 Bet Dagan, Israel; 2.Univ Calif Berkeley, Dept Environm Sci Policy & Management, 130 Mulford Hall 3114, Berkeley, CA 94720 USA |
推荐引用方式 GB/T 7714 | Osem, Yagil,O’Hara, K.. An ecohydrological approach to managing dryland forests: integration of leaf area metrics into assessment and management[J]. University of California, Berkeley,2016,89(4):338-349. |
APA | Osem, Yagil,&O’Hara, K..(2016).An ecohydrological approach to managing dryland forests: integration of leaf area metrics into assessment and management.FORESTRY,89(4),338-349. |
MLA | Osem, Yagil,et al."An ecohydrological approach to managing dryland forests: integration of leaf area metrics into assessment and management".FORESTRY 89.4(2016):338-349. |
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