Arid
DOI10.1016/j.agee.2023.108483
Soil amelioration induced by nurse shrubs in coal mines reclaimed to pastures and their synergistic effects with grazing
Munoz-Cerro, Elena; Garcia-Duro, Juan; Matinez-Ruiz, Carolina; Lopez-Marcos, Daphne
通讯作者Munoz-Cerro, E
来源期刊AGRICULTURE ECOSYSTEMS & ENVIRONMENT
ISSN0167-8809
EISSN1873-2305
出版年2023
卷号350
英文摘要Native shrubs facilitate the establishment of oak seedlings in the opencast coal mines rehabilitated to pastures in Northern Spain, under a Mediterranean sub-humid climate. We evaluate soil changes as one of the possible facilitative effects of nurse shrubs. We hypothesize that nurse shrubs on mining soils can improve edaphic properties directly and indirectly by reducing the negative effects of trampling and grazing by ungulates. Thus, we assessed the combined effects of nurse shrubs (plots with vs without shrubs) and grazing (plots with vs without a fence for preventing browsing and trampling) upon soil properties in a reclaimed coal mine. Chemical properties such as electrical conductivity, K+, cation exchange capacity, and C/N ratio reached higher values beneath shrubs' canopies, so did total organic matter, total N, total organic C, total P, available P, and Mg2+ under shrubs but only with grazing. In contrast, pH was higher outside the shrubs; also Ca2+, though only in the absence of grazing. With grazing, Na+ decreased under shrubs. Among physical properties, bulk density increased and porosity decreased only in grazed plots, whereas sand content increased under shrubs in the grazed plots, and clay decreased in such locations. Water holding capacity and available water were the highest in ungrazed areas. Overall, we found that shrubs have a positive direct effect on soil fertility, especially relevant in grazed areas because nurse shrubs and grazing have synergistic effects, and a positive indirect effect on physical properties because they attenuate negative effects of grazing, particularly soil compaction, by reducing livestock and wild ungulates trampling. Therefore, these results demonstrate how nurse shrubs contribute to soil amelioration, helping to facilitate plant establishment in reclaimed mines, which has relevant restoration im-plications for pasture and forest recovery.
英文关键词Nurse shrubs Grazing Soil physicochemical properties Mine reclamation Soil development
类型Article
语种英语
开放获取类型hybrid, Green Published
收录类别SCI-E
WOS记录号WOS:001055289300001
WOS关键词PLANT-PLANT INTERACTIONS ; ORGANIC-MATTER ; NATIVE SHRUBS ; POSITIVE INTERACTIONS ; RETAMA SPHAEROCARPA ; LEGUMINOUS SHRUB ; CARBON STORAGE ; IMPACTS ; FACILITATION ; DESERTIFICATION
WOS类目Agriculture, Multidisciplinary ; Ecology ; Environmental Sciences
WOS研究方向Agriculture ; Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/395115
推荐引用方式
GB/T 7714
Munoz-Cerro, Elena,Garcia-Duro, Juan,Matinez-Ruiz, Carolina,et al. Soil amelioration induced by nurse shrubs in coal mines reclaimed to pastures and their synergistic effects with grazing[J],2023,350.
APA Munoz-Cerro, Elena,Garcia-Duro, Juan,Matinez-Ruiz, Carolina,&Lopez-Marcos, Daphne.(2023).Soil amelioration induced by nurse shrubs in coal mines reclaimed to pastures and their synergistic effects with grazing.AGRICULTURE ECOSYSTEMS & ENVIRONMENT,350.
MLA Munoz-Cerro, Elena,et al."Soil amelioration induced by nurse shrubs in coal mines reclaimed to pastures and their synergistic effects with grazing".AGRICULTURE ECOSYSTEMS & ENVIRONMENT 350(2023).
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