img

官方微信

高级检索

中国沙漠 ›› 2026, Vol. 46 ›› Issue (4): 59-65.DOI: 10.7522/j.issn.1000-694X.2025.00198

• • 上一篇    下一篇

生物质灰渣砖沙障与土壤改良剂协同使用的荒漠化治理效应——以阿拉善光伏基地为例

庄会永1,2(), 冯益明3(), 杨岩岩3, 刘永萍4, 宁虎森4   

  1. 1.国能生物发电集团有限公司,北京 100000
    2.清华大学,北京 100084
    3.中国林业科学研究院 生态保护与修复研究所,北京 100091
    4.新疆林业科学院 造林治沙研究所,新疆 乌鲁木齐 830063
  • 收稿日期:2025-11-04 修回日期:2025-12-08 出版日期:2026-07-20 发布日期:2026-08-27
  • 通讯作者: 冯益明
  • 作者简介:庄会永(1971—),男,山东莒南人,教授级高工,主要从事生物能源研究。E-mail: hyzhuang@163.com
  • 基金资助:
    国能生物发电集团有限公司科技项目(KY-C-2025-GX01);新疆重点研发项目(2024B0302)

Desertification control effect of synergistic utilization of biomass ash brick sand barriers and soil amendmentstaking the Alxa photovoltaic base as an example

Huiyong Zhuang1,2(), Yiming Feng3(), Yanyan Yang3, Yongping Liu4, Husen Ning4   

  1. 1.National Energy Biomass Power Generation Group Co. ,Ltd. ,Beijing 100000,China
    2.Tsinghua University,Beijing 100084,China
    3.Institute of Ecological Protection and Restoration,Chinese Academy of Forestry,Beijing 100091,China
    4.Institute of Afforestation and Desertification Control,Xinjiang Academy of Forestry,Urumqi 830063,China
  • Received:2025-11-04 Revised:2025-12-08 Online:2026-07-20 Published:2026-08-27
  • Contact: Yiming Feng

摘要:

以阿拉善盟乌兰布和100 MW光伏项目流动沙地为对象,设置处理组(光伏板间布设生物质灰渣砖沙障+施用自制土壤改良剂+种植杨柴、花棒等4种灌木)与对照组样方,通过监测风沙指标、土壤理化性质与植被特征,系统量化生物质灰渣砖沙障与土壤改良剂的协同治沙效应。结果表明:(1)处理组综合覆盖度、灌木存活率、总生物量均显著优于对照组,板间花棒表现最佳,而板间四翅滨藜存活率仅8.00%,不适宜该区域种植。(2)防风固沙方面,处理组输沙量、单宽输沙率、风沙通量较对照组显著降低,其中板间花棒、板间杨柴、板间沙拐枣输沙量均小于18 g。(3)0~20 cm土层砂粒占比从对照组的99.19%~99.23%降至处理组97.61%~98.90%,粉粒占比从0.77%~0.81%升至1.10%~1.80%,部分模式出现黏粒,且土壤有机质、总碳含量显著高于对照组,其中板间花棒碳库累积效应最突出,土壤pH值、电导率、速效氮、速效磷、速效钾等其他土壤理化性质较对照组也均有明显改善。综上,生物质灰渣砖沙障与土壤改良剂协同作用可实现防风固沙、土壤改良与生态修复的综合效益,达成废弃物资源化-荒漠化治理-生态修复的协同效应,且该技术成本较低、市场应用潜力大。

关键词: 生物质灰渣砖, 沙障, 土壤改良剂, 荒漠化治理效应, 阿拉善光伏基地

Abstract:

Taking the mobile sand dunes of the 100 MW photovoltaic project in Wulan Buh of Alxa League as the research object, a treatment group T (arranging biomass ash brick sand barriers between photovoltaic panels + applying self-made soil amendment + planting 4 shrub species including Hedysarum mongolicumHedysarum scoparium, etc.) and a control group CK were set up. By monitoring aeolian sand indicators, soil physical and chemical properties, and vegetation characteristics, the synergistic desertification control effect of biomass ash brick sand barriers and soil amendment was systematically quantified. The results showed that: (1) In terms of vegetation restoration, the comprehensive coverage, shrub survival rate, and total biomass, the treatment group T were significantly better than those of the CK group, with the “Hedysarum scoparium between panels” configuration performing the best, while the survival rate of “Atriplex canescens between panels” was only 8.00%, which is not suitable for planting in this area. (2) In terms of windbreak and sand fixation, the sand transport amount, sand transport rate per unit width, and aeolian sand flux, the treatment group was significantly lower than those in the CK group, among which the sand transport amounts of the configurations “Hedysarum scoparium between panels”, “Hedysarum mongolicum between panels”, and “Calligonum mongolicum between panels” were all less than 18 g. (3) In terms of soil improvement, the sand particle content in the 0-20 cm soil layer of the treatment group T decreased from 99.19%-99.23% in the CK group to 97.61%-98.90%, the silt particle content increased from 0.77%-0.81% to 1.10%-1.80%, clay particles appeared in some configurations, and the soil organic matter and total carbon content were significantly higher than those in the CK group, among which the “Hedysarum scoparium between panels” configuration had the most prominent carbon pool accumulation effect. Moreover, other soil physical and chemical properties such as soil pH value, electrical conductivity (EC), available nitrogen, available phosphorus, and available potassium have all been significantly improved compared with those in the CK group. In summary, the synergistic effect of biomass ash brick sand barriers and soil amendment can achieve the comprehensive benefits of windbreak and sand fixation, soil improvement, and ecological restoration, realizing the synergistic effect of waste resource utilization-desertification control-ecological restoration. Moreover, this technology has low cost and great market application potential, providing a low-cost and high-ecological-benefit ecological governance technical paradigm for photovoltaic areas in desert and gobi regions.

Key words: biomass ash brick, sand barrier, soil amendment, desertification control effect, Alxa photovoltaic base

中图分类号: