Nurse role and mechanism of Coriaria nepalensis in abandoned land of Pb-Zn mining area
Mining activities, while providing a huge material base for human society, have also caused great damage to the ecosystem. A large amount of mine waste is in urgent need of treatment and remediation. Phytoremediation, as a green and low-cost way of mine site restoration, has been researched by a lar...
| Main Authors: | , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Frontiers Media S.A.
2023-11-01
|
| Series: | Frontiers in Ecology and Evolution |
| Subjects: | |
| Online Access: | https://www.frontiersin.org/articles/10.3389/fevo.2023.1246822/full |
| _version_ | 1797463648458768384 |
|---|---|
| author | Jie Yang Jie Yang Hong Tang Hong Tang Chang-qun Duan Chang-qun Duan Si-chen Wang Si-chen Wang Xin-qi Yuan Xin-qi Yuan Lv Huang Lv Huang Lin-yang Li Lin-yang Li |
| author_facet | Jie Yang Jie Yang Hong Tang Hong Tang Chang-qun Duan Chang-qun Duan Si-chen Wang Si-chen Wang Xin-qi Yuan Xin-qi Yuan Lv Huang Lv Huang Lin-yang Li Lin-yang Li |
| author_sort | Jie Yang |
| collection | DOAJ |
| description | Mining activities, while providing a huge material base for human society, have also caused great damage to the ecosystem. A large amount of mine waste is in urgent need of treatment and remediation. Phytoremediation, as a green and low-cost way of mine site restoration, has been researched by a large number of scholars. Ecological restoration, as a suitable alternative to phytoremediation, has also received extensive attention from scholars too. Field survey revealed that a native plant, Coriaria nepalensis, adapted to the abandoned sites of Pb-Zn mines for its adaptability to pollution and extreme habitats and its improvement of the surrounding microenvironment, with its formation of plant communities may contribute to the natural recovery of the abandoned sites of mines. For this reason, the present study was conducted on the nurse plant, C. nepalensis, which was naturally colonized in the abandoned land of the Pb-Zn mine in Mine Town, Huize County. The specific results of the study are as follows: Coriaria nepalensis promotes the stabilization of the soil structure under the canopy, and the local resources of the soil increase and the “fertilizer island” effect appears: (1) Improvement of physical properties: Compared with the herbaceous sample, the soil bulk density of the Coriaria nepalensis is significantly lower than that of the herbaceous sample. (2) Improve soil nutrition: the organic matter, total nitrogen and total phosphorus contents of the inter-root soil of the Coriaria nepalensis in large multi-diversity sites were higher than those of the herbaceous sample sites. (3) Reducing the toxicity of soil heavy metals to plants: although the total amount of heavy metals and the effective state of the Coriaria nepalensis were significantly higher than that of the herbaceous samples, the diversity and biomass of the plants under the Coriaria nepalensis were not affected, but were higher instead, which indicated that the Coriaria nepalensis mitigated the stress and toxicity of the heavy metals to the plants under the canopy, and allowed the plants to colonize and grow under the canopy. (4) Coriaria nepalensis in Pb-Zn mine abandoned sites can regulating soil microbial community structure, thus enabling plant community succession in degraded environments. Ascomycetes, Mycobacteriophages, Ascomycetes, and Stramenophages with higher abundance. (5) Coriaria nepalensis microbial community structure and increases the abundance of functions associated with nitrogen cycling and stress tolerance. There were higher abundances of bacterial functions related to nitrogen fixation, nitrate reduction, nitrogen respiration, nitrate respiration; and higher abundances of stress-tolerant, parthenogenetic anaerobic, biofilm-forming, aerobic, mobile protozoa-containing, and Gram-negative bacteria in the Coriaria nepalensis. In sum: C. nepalensis can have a nurse effect on its sub-canopy plants by improving microhabitat soil properties and regulating soil microbial community structure in abandoned sites of Pb-Zn mines, thus enabling plant community succession in degraded environments. |
| first_indexed | 2024-03-09T17:53:44Z |
| format | Article |
| id | doaj.art-dba5899cdc9545ceb09e0dda26b1b49b |
| institution | Directory Open Access Journal |
| issn | 2296-701X |
| language | English |
| last_indexed | 2024-03-09T17:53:44Z |
| publishDate | 2023-11-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Ecology and Evolution |
| spelling | doaj.art-dba5899cdc9545ceb09e0dda26b1b49b2023-11-24T10:32:31ZengFrontiers Media S.A.Frontiers in Ecology and Evolution2296-701X2023-11-011110.3389/fevo.2023.12468221246822Nurse role and mechanism of Coriaria nepalensis in abandoned land of Pb-Zn mining areaJie Yang0Jie Yang1Hong Tang2Hong Tang3Chang-qun Duan4Chang-qun Duan5Si-chen Wang6Si-chen Wang7Xin-qi Yuan8Xin-qi Yuan9Lv Huang10Lv Huang11Lin-yang Li12Lin-yang Li13Yunnan Key Laboratory for Plateau Mountain Ecology and Restoration of Degraded Environments, School of Ecology and Environmental Sciences, Yunnan University, Kunming, ChinaYunnan International Joint Research Center of Plateau Lake Ecological Restoration and Watershed Management, Yunnan University, Kunming, ChinaYunnan Key Laboratory for Plateau Mountain Ecology and Restoration of Degraded Environments, School of Ecology and Environmental Sciences, Yunnan University, Kunming, ChinaYunnan International Joint Research Center of Plateau Lake Ecological Restoration and Watershed Management, Yunnan University, Kunming, ChinaYunnan Key Laboratory for Plateau Mountain Ecology and Restoration of Degraded Environments, School of Ecology and Environmental Sciences, Yunnan University, Kunming, ChinaYunnan International Joint Research Center of Plateau Lake Ecological Restoration and Watershed Management, Yunnan University, Kunming, ChinaYunnan Key Laboratory for Plateau Mountain Ecology and Restoration of Degraded Environments, School of Ecology and Environmental Sciences, Yunnan University, Kunming, ChinaYunnan International Joint Research Center of Plateau Lake Ecological Restoration and Watershed Management, Yunnan University, Kunming, ChinaYunnan Key Laboratory for Plateau Mountain Ecology and Restoration of Degraded Environments, School of Ecology and Environmental Sciences, Yunnan University, Kunming, ChinaYunnan International Joint Research Center of Plateau Lake Ecological Restoration and Watershed Management, Yunnan University, Kunming, ChinaYunnan Key Laboratory for Plateau Mountain Ecology and Restoration of Degraded Environments, School of Ecology and Environmental Sciences, Yunnan University, Kunming, ChinaYunnan International Joint Research Center of Plateau Lake Ecological Restoration and Watershed Management, Yunnan University, Kunming, ChinaYunnan Key Laboratory for Plateau Mountain Ecology and Restoration of Degraded Environments, School of Ecology and Environmental Sciences, Yunnan University, Kunming, ChinaYunnan International Joint Research Center of Plateau Lake Ecological Restoration and Watershed Management, Yunnan University, Kunming, ChinaMining activities, while providing a huge material base for human society, have also caused great damage to the ecosystem. A large amount of mine waste is in urgent need of treatment and remediation. Phytoremediation, as a green and low-cost way of mine site restoration, has been researched by a large number of scholars. Ecological restoration, as a suitable alternative to phytoremediation, has also received extensive attention from scholars too. Field survey revealed that a native plant, Coriaria nepalensis, adapted to the abandoned sites of Pb-Zn mines for its adaptability to pollution and extreme habitats and its improvement of the surrounding microenvironment, with its formation of plant communities may contribute to the natural recovery of the abandoned sites of mines. For this reason, the present study was conducted on the nurse plant, C. nepalensis, which was naturally colonized in the abandoned land of the Pb-Zn mine in Mine Town, Huize County. The specific results of the study are as follows: Coriaria nepalensis promotes the stabilization of the soil structure under the canopy, and the local resources of the soil increase and the “fertilizer island” effect appears: (1) Improvement of physical properties: Compared with the herbaceous sample, the soil bulk density of the Coriaria nepalensis is significantly lower than that of the herbaceous sample. (2) Improve soil nutrition: the organic matter, total nitrogen and total phosphorus contents of the inter-root soil of the Coriaria nepalensis in large multi-diversity sites were higher than those of the herbaceous sample sites. (3) Reducing the toxicity of soil heavy metals to plants: although the total amount of heavy metals and the effective state of the Coriaria nepalensis were significantly higher than that of the herbaceous samples, the diversity and biomass of the plants under the Coriaria nepalensis were not affected, but were higher instead, which indicated that the Coriaria nepalensis mitigated the stress and toxicity of the heavy metals to the plants under the canopy, and allowed the plants to colonize and grow under the canopy. (4) Coriaria nepalensis in Pb-Zn mine abandoned sites can regulating soil microbial community structure, thus enabling plant community succession in degraded environments. Ascomycetes, Mycobacteriophages, Ascomycetes, and Stramenophages with higher abundance. (5) Coriaria nepalensis microbial community structure and increases the abundance of functions associated with nitrogen cycling and stress tolerance. There were higher abundances of bacterial functions related to nitrogen fixation, nitrate reduction, nitrogen respiration, nitrate respiration; and higher abundances of stress-tolerant, parthenogenetic anaerobic, biofilm-forming, aerobic, mobile protozoa-containing, and Gram-negative bacteria in the Coriaria nepalensis. In sum: C. nepalensis can have a nurse effect on its sub-canopy plants by improving microhabitat soil properties and regulating soil microbial community structure in abandoned sites of Pb-Zn mines, thus enabling plant community succession in degraded environments.https://www.frontiersin.org/articles/10.3389/fevo.2023.1246822/fullnurse plantheavy metalPb-Zn mineCoriaria nepalensisecological restoration |
| spellingShingle | Jie Yang Jie Yang Hong Tang Hong Tang Chang-qun Duan Chang-qun Duan Si-chen Wang Si-chen Wang Xin-qi Yuan Xin-qi Yuan Lv Huang Lv Huang Lin-yang Li Lin-yang Li Nurse role and mechanism of Coriaria nepalensis in abandoned land of Pb-Zn mining area Frontiers in Ecology and Evolution nurse plant heavy metal Pb-Zn mine Coriaria nepalensis ecological restoration |
| title | Nurse role and mechanism of Coriaria nepalensis in abandoned land of Pb-Zn mining area |
| title_full | Nurse role and mechanism of Coriaria nepalensis in abandoned land of Pb-Zn mining area |
| title_fullStr | Nurse role and mechanism of Coriaria nepalensis in abandoned land of Pb-Zn mining area |
| title_full_unstemmed | Nurse role and mechanism of Coriaria nepalensis in abandoned land of Pb-Zn mining area |
| title_short | Nurse role and mechanism of Coriaria nepalensis in abandoned land of Pb-Zn mining area |
| title_sort | nurse role and mechanism of coriaria nepalensis in abandoned land of pb zn mining area |
| topic | nurse plant heavy metal Pb-Zn mine Coriaria nepalensis ecological restoration |
| url | https://www.frontiersin.org/articles/10.3389/fevo.2023.1246822/full |
| work_keys_str_mv | AT jieyang nurseroleandmechanismofcoriarianepalensisinabandonedlandofpbznminingarea AT jieyang nurseroleandmechanismofcoriarianepalensisinabandonedlandofpbznminingarea AT hongtang nurseroleandmechanismofcoriarianepalensisinabandonedlandofpbznminingarea AT hongtang nurseroleandmechanismofcoriarianepalensisinabandonedlandofpbznminingarea AT changqunduan nurseroleandmechanismofcoriarianepalensisinabandonedlandofpbznminingarea AT changqunduan nurseroleandmechanismofcoriarianepalensisinabandonedlandofpbznminingarea AT sichenwang nurseroleandmechanismofcoriarianepalensisinabandonedlandofpbznminingarea AT sichenwang nurseroleandmechanismofcoriarianepalensisinabandonedlandofpbznminingarea AT xinqiyuan nurseroleandmechanismofcoriarianepalensisinabandonedlandofpbznminingarea AT xinqiyuan nurseroleandmechanismofcoriarianepalensisinabandonedlandofpbznminingarea AT lvhuang nurseroleandmechanismofcoriarianepalensisinabandonedlandofpbznminingarea AT lvhuang nurseroleandmechanismofcoriarianepalensisinabandonedlandofpbznminingarea AT linyangli nurseroleandmechanismofcoriarianepalensisinabandonedlandofpbznminingarea AT linyangli nurseroleandmechanismofcoriarianepalensisinabandonedlandofpbznminingarea |