将哥伦比亚乔科生物地理区域热带雨林中废弃金矿的地形、土壤变化和早期演替植被联系起来

IF 2.8 3区 环境科学与生态学 Q2 ECOLOGY
Hamleth Valois‐Cuesta, Carolina Martínez‐Ruiz, Zulay Q. Valoyes
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引用次数: 0

摘要

土壤肥力异质性是影响早期恢复和植物向目标植物群落演替的主要因素之一。本研究探讨了地形对哥伦比亚乔科省露天采矿退化地区植物群落多样性和组成的影响。对废弃矿区的四种地形进行了土壤肥力和植物群落特征描述:平原 (PL)、斜坡 (SLP)、冲积平原 (FP) 以及砂石丘 (SGM)。地形并没有导致土壤特性的显著差异。然而,肥力和植被覆盖度却呈现出梯度:从土壤较不肥沃、植被较少的沙砾丘到土壤最肥沃、植被覆盖度和密度较大的PL、SLP和FP。PL、SLP 和 FP 的物种组成与 SGM 相似,但有所不同。这些结果表明,SGM 并不能促进矿区的早期植被重建。然而,有必要开展实验研究,以确定应如何管理采矿造成的地形地貌和土壤条件,从而促进植被的早期恢复和受采矿影响地区的生态恢复。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Linking topography, soil variability, and early successional vegetation in abandoned gold mines in the tropical rainforest of Colombia's Chocó Biogeographic region
Soil fertility heterogeneity is one of the main factors affecting early recovery and plant succession toward a target plant community. This study examined the influence of topography on the diversity and composition of plant communities established in areas degraded by opencast mining in Chocó, Colombia. Soil fertility and plant community were characterized in the four topographic formations identified in the abandoned mines: plains (PL), slopes (SLP), floodplains (FP), and sand and gravel mounds (SGM). Topographic formations did not result in significant differences in soil properties. However, a gradient of fertility and vegetation cover was observed: from the SGM, with less fertile soils and little vegetation, to the PL, SLP, and FP, with the most fertile soils and greater vegetation cover and density. The species composition found in PL, SLP, and FP was similar but differed from that of SGM. These results suggest that the SGM does not promote early revegetation in the mines. However, experimental studies are necessary to determine how topographic formations and soil conditions resulting from mining should be managed to facilitate the early recovery of vegetation and the ecological restoration of areas affected by mining.
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来源期刊
Restoration Ecology
Restoration Ecology 环境科学-生态学
CiteScore
6.50
自引率
15.60%
发文量
226
审稿时长
12-24 weeks
期刊介绍: Restoration Ecology fosters the exchange of ideas among the many disciplines involved with ecological restoration. Addressing global concerns and communicating them to the international research community and restoration practitioners, the journal is at the forefront of a vital new direction in science, ecology, and policy. Original papers describe experimental, observational, and theoretical studies on terrestrial, marine, and freshwater systems, and are considered without taxonomic bias. Contributions span the natural sciences, including ecological and biological aspects, as well as the restoration of soil, air and water when set in an ecological context; and the social sciences, including cultural, philosophical, political, educational, economic and historical aspects. Edited by a distinguished panel, the journal continues to be a major conduit for researchers to publish their findings in the fight to not only halt ecological damage, but also to ultimately reverse it.
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