Arid
DOI10.1007/s00442-016-3655-9
Plant species effects on soil nutrients and chemistry in arid ecological zones
Johnson, Brittany G.1,2,3; Verburg, Paul S. J.2; Arnone, John A., III1,3
通讯作者Johnson, Brittany G.
来源期刊OECOLOGIA
ISSN0029-8549
EISSN1432-1939
出版年2016
卷号182期号:1页码:299-317
英文摘要

The presence of vegetation strongly influences ecosystem function by controlling the distribution and transformation of nutrients across the landscape. The magnitude of vegetation effects on soil chemistry is largely dependent on the plant species and the background soil chemical properties of the site, but has not been well quantified along vegetation transects in the Great Basin. We studied the effects of plant canopy cover on soil chemistry within five different ecological zones, subalpine, montane, pinyon-juniper, sage/Mojave transition, and desert shrub, in the Great Basin of Nevada all with similar underlying geology. Although plant species differed in their effects on soil chemistry, the desert shrubs Sarcobatus vermiculatus, Atriplex spp., Coleogyne ramosissima, and Larrea tridentata typically exerted the most influence on soil chemistry, especially amounts of K+ and total nitrogen, beneath their canopies. However, the extent to which vegetation affected soil nutrient status in any given location was not only highly dependent on the species present, and presumably the nutrient requirements and cycling patterns of the plant species, but also on the background soil characteristics (e.g., parent material, weathering rates, leaching) where plant species occurred. The results of this study indicate that the presence or absence of a plant species, especially desert shrubs, could significantly alter soil chemistry and subsequently ecosystem biogeochemistry and function.


英文关键词Plant canopy Nevada Climate-ecohydrological Assessment Network (NevCAN) Soil chemistry Great Basin Overstory effects on soil
类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000383670000025
WOS关键词TRIDENTATA DC COV ; BRISTLECONE-PINE ; LARREA-TRIDENTATA ; DESERT ECOSYSTEMS ; CHEMICAL-PATTERNS ; MOJAVE DESERT ; TREE ISLANDS ; SHRUB ; UTAH ; COMMUNITIES
WOS类目Ecology
WOS研究方向Environmental Sciences & Ecology
来源机构Desert Research Institute
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/195245
作者单位1.Desert Res Inst, Div Earth & Ecosyst Sci, 2215 Raggio Pkwy, Reno, NV 89512 USA;
2.Univ Nevada, Dept Nat Resources & Environm Sci, 1664 North Virginia St, Reno, NV 89557 USA;
3.Univ Nevada, Grad Program Hydrol Sci, 1664 North Virginia St, Reno, NV 89557 USA
推荐引用方式
GB/T 7714
Johnson, Brittany G.,Verburg, Paul S. J.,Arnone, John A., III. Plant species effects on soil nutrients and chemistry in arid ecological zones[J]. Desert Research Institute,2016,182(1):299-317.
APA Johnson, Brittany G.,Verburg, Paul S. J.,&Arnone, John A., III.(2016).Plant species effects on soil nutrients and chemistry in arid ecological zones.OECOLOGIA,182(1),299-317.
MLA Johnson, Brittany G.,et al."Plant species effects on soil nutrients and chemistry in arid ecological zones".OECOLOGIA 182.1(2016):299-317.
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