Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1016/j.jaridenv.2006.10.017 |
The influence of Artemsia tridentata ssp wyomingensis on microsite and herbaceous vegetation heterogeneity | |
Davies, K. W.; Bates, J. D.; Miller, R. F. | |
通讯作者 | Davies, K. W. |
来源期刊 | JOURNAL OF ARID ENVIRONMENTS
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ISSN | 0140-1963 |
出版年 | 2007 |
卷号 | 69期号:3页码:441-457 |
英文摘要 | The spatial distribution of Artemisia tridentata ssp. wyomingensis (Beetle & A. Young) S.L. Welsh within plant communities creates two distinct zones; underneath (subcanopy) and between shrub canopies (interspace). The purpose the study was to determine the influence of subcanopy and interspace zones on microsite characteristics and herbaceous vegetation. Study sites were located at the Northern Great Basin Experimental Range (NGBER) (56 km west of Burns, OR) and Baker Pass (80 km southeast of Burns, OR). At the NGBER, microsite and vegetation differences existed between subcanopy and interspace zones. Compared to the interspace, subcanopy zones were characterized by lower fluctuations in soil temperature, higher levels of soil organic matter, nitrogen, carbon, and water, and greater herbaceous biomass, cover, and density. A. tridentata ssp. wyomingensis appears to strongly influence the spatial arrangement of herbaceous vegetation at the NGBER. Zonal vegetation differences measured at the NGBER were not found at Baker Pass, a location with a more north-facing aspect than the NBGER. Our results suggest that the influence of A. tridentata ssp. wyomingensis on herbaceous spatial heterogeneity may be greater as sites become warmer and drier. Our study demonstrated the potential of A. tridentata ssp. wyomingensis to create herbaceous spatial heterogeneity, elucidated that the relationships between A. tridentata ssp. wyomingensis and herbaceous species are complex, and can be site specific. Published by Elsevier Ltd. |
英文关键词 | wyoming big sagebrush micro-environment subcanopy interspace plant interactions |
类型 | Article |
语种 | 英语 |
国家 | USA |
收录类别 | SCI-E |
WOS记录号 | WOS:000245349300008 |
WOS关键词 | GREAT-BASIN PERENNIALS ; SAGEBRUSH-GRASS RANGE ; BIG SAGEBRUSH ; EASTERN OREGON ; ARTEMISIA-TRIDENTATA ; ISOTOPE COMPOSITION ; COMPETITION ; PATTERNS ; DESERT ; PLANTS |
WOS类目 | Ecology ; Environmental Sciences |
WOS研究方向 | Environmental Sciences & Ecology |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/154772 |
作者单位 | (1)USDA ARS, Eastern Oregon Agr Res Ctr, Burns, OR 97720 USA |
推荐引用方式 GB/T 7714 | Davies, K. W.,Bates, J. D.,Miller, R. F.. The influence of Artemsia tridentata ssp wyomingensis on microsite and herbaceous vegetation heterogeneity[J],2007,69(3):441-457. |
APA | Davies, K. W.,Bates, J. D.,&Miller, R. F..(2007).The influence of Artemsia tridentata ssp wyomingensis on microsite and herbaceous vegetation heterogeneity.JOURNAL OF ARID ENVIRONMENTS,69(3),441-457. |
MLA | Davies, K. W.,et al."The influence of Artemsia tridentata ssp wyomingensis on microsite and herbaceous vegetation heterogeneity".JOURNAL OF ARID ENVIRONMENTS 69.3(2007):441-457. |
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