Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1016/j.jaridenv.2011.03.007 |
Effects of simulated storm sizes and nitrogen on three Chihuahuan Desert perennial herbs and a grass | |
Whitford, W. G.1; Steinberger, Y.2 | |
通讯作者 | Whitford, W. G. |
来源期刊 | JOURNAL OF ARID ENVIRONMENTS |
ISSN | 0140-1963 |
出版年 | 2011 |
卷号 | 75期号:9页码:861-864 |
英文摘要 | Establishment and growth of three perennial herbs and a small tussock grass were studied in an experiment that provided simulated rainfall of 6 mm week(-1) or 25 mm once per month and nitrogen fertilization in combination with the different simulated rainfall regimes. Wild onion, Allium macropetalum, failed to establish in plots receiving 25 mm month(-1) simulated rainfall. The perennial composite, Bahia absinthifolia, occurred at higher densities in plots that were not irrigated but there were no differences in biomass in any of the irrigation or fertilization treatments. Desert holly, Perezia nana, failed to establish in nitrogen fertilized plots and developed higher abundance and biomass in plots receiving 25 mm month(-1). Nitrogen fertilization had either no effect or an adverse effect on the perennial herbs. The tussock grass. Dasychloa pulchella exhibited highest abundance and biomass with 6 mm week(-1) added water plus nitrogen. Since global climate change will affect both rain storm frequency and size and atmospheric nitrogen deposition, the results of this study are applicable to understanding vegetation responses climate change. (C) 2011 Elsevier Ltd. All rights reserved. |
英文关键词 | Abundance Biomass Fertilization Irrigation |
类型 | Article |
语种 | 英语 |
国家 | USA ; Israel |
收录类别 | SCI-E |
WOS记录号 | WOS:000292488200014 |
WOS关键词 | PRECIPITATION PULSES ; ECOSYSTEMS ; RESPONSES ; PATTERNS ; WATER |
WOS类目 | Ecology ; Environmental Sciences |
WOS研究方向 | Environmental Sciences & Ecology |
来源机构 | New Mexico State University |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/168898 |
作者单位 | 1.New Mexico State Univ, USDA ARS Jornada Expt Range, Las Cruces, NM 88003 USA; 2.Bar Ilan Univ, Mina & Everard Goodman Fac Life Sci, IL-52900 Ramat Gan, Israel |
推荐引用方式 GB/T 7714 | Whitford, W. G.,Steinberger, Y.. Effects of simulated storm sizes and nitrogen on three Chihuahuan Desert perennial herbs and a grass[J]. New Mexico State University,2011,75(9):861-864. |
APA | Whitford, W. G.,&Steinberger, Y..(2011).Effects of simulated storm sizes and nitrogen on three Chihuahuan Desert perennial herbs and a grass.JOURNAL OF ARID ENVIRONMENTS,75(9),861-864. |
MLA | Whitford, W. G.,et al."Effects of simulated storm sizes and nitrogen on three Chihuahuan Desert perennial herbs and a grass".JOURNAL OF ARID ENVIRONMENTS 75.9(2011):861-864. |
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