Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1016/j.geoderma.2016.01.030 |
Controls on ecohydrologic properties in desert ecosystems: Differences in soil age and volcanic morphology | |
Beal, Lakin K.1; Huber, David P.2; Godsey, Sarah E.1; Nawotniak, Shannon K.1; Lohse, Kathleen A.1,2 | |
通讯作者 | Lohse, Kathleen A. |
来源期刊 | GEODERMA
![]() |
ISSN | 0016-7061 |
EISSN | 1872-6259 |
出版年 | 2016 |
卷号 | 271页码:32-41 |
英文摘要 | Research examining the influence of parent material on soil and landscape development is limited in dryland environments. In volcanic soils, most studies examining soil development and succession have been conducted in humid environments, where weathering occurs rapidly. This study was conducted in a semi-arid environment to examine the influence of volcanic parent material morphology on soil development and ecohydrologic properties that may regulate primary succession. Four study sites were selected across young (similar to 2.0 ka) and old (similar to 12.1 ka) end members of two different parent materials (cinder cones and pahoehoe lava flows). We hypothesized that soils and associated hydraulic properties would evolve more rapidly on the cinder cones compared to the pahoehoe flows owing to greater surface area on the cinder. For each site, we quantified plant cover, soil organic matter, bulk density, texture, soil water retention, and hydraulic conductivity. The old cinder cone soils accumulated approximately 9% soil organic matter and increased in silt plus clay fraction by 23% relative to the young soil. This increased water retention and decreased hydraulic conductivity. Similarly, plant cover increased by 47%. The old pahoehoe site remained dominated by unweathered basalt, where silty eolian material accumulated preferentially in crevices. Soil organic matter and silt plus clay fraction increased by 18% and 49% respectively in old pahoehoe soils, resulting in increased water retention but little change in hydraulic conductivity. Plants were restricted to crevices and cover increased by only 34%. We observed the cinder cone sites had extensive soil and plant community development from the young to old sites. The pahoehoe soils and plant communities established earlier than on cinder cones, but showed only modest functional changes between young and old sites. The combined characterization of soil development, hydraulic properties, and plant community dynamics highlights potential ecohydrologic mechanisms controlling successional processes in young semi-arid landscapes. (C) 2016 Elsevier B.V. All rights reserved. |
英文关键词 | Semiarid Succession Landscape and ecosystem co-evolution Soil moisture retention Ecohydrology Soil development |
类型 | Article |
语种 | 英语 |
国家 | USA |
收录类别 | SCI-E |
WOS记录号 | WOS:000373541800005 |
WOS关键词 | MOJAVE DESERT ; HYDROLOGIC CHARACTERIZATION ; HYDRAULIC-PROPERTIES ; SEMIARID ECOSYSTEMS ; VARYING DEGREES ; LAVA FLOWS ; CHRONOSEQUENCE ; NITROGEN ; DUST ; COMMUNITIES |
WOS类目 | Soil Science |
WOS研究方向 | Agriculture |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/193190 |
作者单位 | 1.Idaho State Univ, Dept Geosci, 921 S 8th Ave,STOP 8072, Pocatello, ID 83209 USA; 2.Idaho State Univ, Dept Biol Sci, 921 S 8th Ave,STOP 8072, Pocatello, ID 83209 USA |
推荐引用方式 GB/T 7714 | Beal, Lakin K.,Huber, David P.,Godsey, Sarah E.,et al. Controls on ecohydrologic properties in desert ecosystems: Differences in soil age and volcanic morphology[J],2016,271:32-41. |
APA | Beal, Lakin K.,Huber, David P.,Godsey, Sarah E.,Nawotniak, Shannon K.,&Lohse, Kathleen A..(2016).Controls on ecohydrologic properties in desert ecosystems: Differences in soil age and volcanic morphology.GEODERMA,271,32-41. |
MLA | Beal, Lakin K.,et al."Controls on ecohydrologic properties in desert ecosystems: Differences in soil age and volcanic morphology".GEODERMA 271(2016):32-41. |
条目包含的文件 | 条目无相关文件。 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。