DOI: 10.1016/j.gloplacha.2015.08.004
论文题名: Glomalin accumulated in seagrass sediments reveals past alterations in soil quality due to land-use change
作者: López-Merino L. ; Serrano O. ; Adame M.F. ; Mateo M.A. ; Martínez Cortizas A.
刊名: Global and Planetary Change
ISSN: 0921-8181
出版年: 2015
卷: 133 起始页码: 87
结束页码: 95
语种: 英语
英文关键词: Glomalin-related soil protein
; Land-use change
; Palaeoecological proxy
; Posidonia mat
; Soil quality
Scopus关键词: Anoxic sediments
; Ecology
; Fungi
; Land use
; Plants (botany)
; Proteins
; Sediments
; Soils
; Glomalin-related soil protein
; Land-use change
; Palaeoecological proxy
; Posidonia
; Soil quality
; Soil testing
; agrarian change
; agricultural intensification
; arbuscular mycorrhiza
; core analysis
; ecosystem health
; environmental indicator
; environmental stress
; geoaccumulation
; human activity
; land use change
; long-term change
; nature-society relations
; nearshore environment
; paleoecology
; plant community
; pollen
; protein
; seagrass
; soil ecosystem
; soil quality
; soil structure
; Mediterranean Coast [Spain]
; Spain
; Fungi
; Posidonia
; Posidonia oceanica
英文摘要: Arbuscular mycorrhizal fungi (AMF), symbionts with most terrestrial plants, produce glomalin-related soil protein (GRSP), which plays a major role in soil structure and quality. Both fungi hyphae and protein production in soils are affected by perturbations related to land-use changes, implying that GRSP is a sensitive indicator of soil quality. Unfortunately, GRSP degrades within years to decades in oxic environments, preventing its use as palaeoecological proxy. However, GRSP is transported to marine, near-shore anoxic sediments, where it accumulates and remains non-degraded, enabling the assessment of its potential as a palaeoecological proxy for soil ecosystem's health. Exploiting this fact, we have obtained for the first time a long-term record (c. 1250. years) of GRSP content using a Posidonia oceanica seagrass mat sediment core from the Western Mediterranean (Portlligat Bay, Spain). The trends in GRSP content matched well with land-use changes related to agrarian activities reconstructed by pollen analysis. In periods of cultivation, GRSP accumulation in the mat decreased. Given the role played by GRSP, the results suggest that agrarian intensification may have resulted in perturbations to soil quality. Thus, GRSP in seagrass mat sediments can be used to assess long-term trends in continental soil quality induced by human activities. These findings open new possibilities in long-term ecology research, as other anoxic environments could be potentially valid too. Testing them would open the possibility to identify long-term patterns in soil quality and other environmental stressors that could also affect AMF and GRSP production in soils. © 2015. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84939495942&doi=10.1016%2fj.gloplacha.2015.08.004&partnerID=40&md5=f73dc45e952920c47f0589f06ec4e1ff
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/11471
Appears in Collections: 全球变化的国际研究计划 气候变化与战略
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作者单位: Institute of Environment, Health and Societies, Brunel University London, Uxbridge, United Kingdom
Recommended Citation:
López-Merino L.,Serrano O.,Adame M.F.,et al. Glomalin accumulated in seagrass sediments reveals past alterations in soil quality due to land-use change[J]. Global and Planetary Change,2015-01-01,133.