Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1016/j.jaridenv.2012.08.016 |
Seed removal patterns in burned and unburned desert habitats: Implications for ecological restoration | |
Suazo, A. A.1; Craig, D. J.1; Vanier, C. H.2; Abella, S. R.1 | |
通讯作者 | Suazo, A. A. |
来源期刊 | JOURNAL OF ARID ENVIRONMENTS
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ISSN | 0140-1963 |
出版年 | 2013 |
卷号 | 88页码:165-174 |
英文摘要 | In desert ecosystems, selective foraging by seed consumers affects distribution and composition of soil seed banks, influencing plant population dynamics. However, the roles of consumers in burned habitats where direct seeding is used during ecological restoration to replenish depleted seed banks have not been well established. We evaluated seed removal for nine seed species over 12 months in burned and unburned shrublands in the Mojave Desert, USA. Percentage of total seed removed was highest during spring (16% of offered seed) and summer (21%). Rodents removed much of the large-seeded Coleogyne ramosissima in both burned and unburned habitats, while seed removal of this species by ants was low in burned and moderate in unburned habitats. Ants removed the greatest amount of small-seeded species (Penstemon bicolor, Encelia farinosa, and Sphaeralcea ambigua) in unburned habitat, indicating that ants can exploit different seed masses. Seed removal imposes limitations on seed availability, particularly for large-seeded species, as both rodents and ants selected seeds of C. ramosissima. Successful restoration seeding projects in arid lands may require protecting seed from granivore pressure, and seed species selection and season of seeding warrant consideration to reduce seed loss. (c) 2012 Elsevier Ltd. All rights reserved. |
英文关键词 | Exotic grasses Granivory Plant establishment Recruitment Seeding Wildfire |
类型 | Article |
语种 | 英语 |
国家 | USA |
收录类别 | SCI-E |
WOS记录号 | WOS:000313392900022 |
WOS关键词 | CENTRAL MONTE DESERT ; MOJAVE DESERT ; HARVESTER ANTS ; SOUTHEASTERN AUSTRALIA ; SPECIES-DIVERSITY ; PREDATION LIMITS ; FIRE ; RECRUITMENT ; GRASSLAND ; SOIL |
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/2XILL650/177985 |
作者单位 | 1.Univ Nevada, Dept Environm & Occupat Hlth, Las Vegas, NV 89154 USA; 2.Univ Nevada, Div Educ Outreach, Las Vegas, NV 89154 USA |
推荐引用方式 GB/T 7714 | Suazo, A. A.,Craig, D. J.,Vanier, C. H.,et al. Seed removal patterns in burned and unburned desert habitats: Implications for ecological restoration[J],2013,88:165-174. |
APA | Suazo, A. A.,Craig, D. J.,Vanier, C. H.,&Abella, S. R..(2013).Seed removal patterns in burned and unburned desert habitats: Implications for ecological restoration.JOURNAL OF ARID ENVIRONMENTS,88,165-174. |
MLA | Suazo, A. A.,et al."Seed removal patterns in burned and unburned desert habitats: Implications for ecological restoration".JOURNAL OF ARID ENVIRONMENTS 88(2013):165-174. |
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