热带气候条件下大型人工湿地植物生物量生产

IF 4.1 2区环境科学与生态学 Q1 ECOLOGY

Ecological Engineering Pub Date : 2025-08-05 DOI:10.1016/j.ecoleng.2025.107760

Joaquin Sangabriel-Lomeli , Sergio Zamora Castro , Saúl Rivera , Brenda Suemy Trujillo-García , Gastón Ballut-Dajud , Luis Carlos Sandoval Herazo

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引用次数: 0

摘要

本文研究了位于墨西哥韦拉克鲁斯州Nautla的一个大型人工湿地（CW）系统中植物生物量的生产情况，该系统由垂直地下流（VSSF）、水平地下流（HSSF）和地面流（SF）湿地单元组成。考虑到本研究的性质，共使用了13种观赏植物。在12个月的监测期内，对植物生长参数、生物量产量和污染物去除效率进行了评估。其中，莎草的生长最为旺盛，前6个月最高可达244.36 cm，地上生物量增长3864.85%。土甘蓝和三叶草的生物量也显著增加，保持了地上和根系的平衡发展。到研究结束时，所有物种的总生物量为883.70 kg。整个系统对化学需氧量（COD）、总氮（TN）和总磷（TP）的平均去除率分别为93.37%、91.37%和91.45%。总生物量与污染物去除率呈正相关（r = 0.5460），表明植物生产力的提高提高了处理性能。除了垂直生长外，不同物种在茎粗、开花周期和叶片产量方面也存在差异。值得注意的是，Pontederia cordata和Heliconia psittacorum对生物多样性和传粉媒介的支持有贡献。研究结果表明，植物物种的策略性选择和组合可以改善大型化粪池在不同运行阶段的功能性能，增强系统对不同污染物负荷的适应能力，促进长期处理的可持续性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Plant biomass production in large-scale constructed wetlands under tropical climate conditions

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Plant biomass production in large-scale constructed wetlands under tropical climate conditions

This study focused on plant biomass production in a large-scale Constructed Wetland (CW) system integrating vertical subsurface flow (VSSF), horizontal subsurface flow (HSSF), and surface flow (SF) wetland units, located in Nautla, Veracruz, Mexico. Given the nature of the study, 13 ornamental plant species were utilized. Over a 12-month monitoring period, plant growth parameters, biomass yield, and pollutant removal efficiency were assessed. Cyperus papyrus demonstrated the most vigorous performance, reaching a height of up to 244.36 cm within the first six months and accumulating an aboveground biomass increase of 3864.85 %. Colocasia esculenta and Sansevieria trifasciata also showed substantial biomass gains, maintaining balanced development in both aerial and root systems. A total biomass of 883.70 kg was recorded across all species by the end of the study.

Average pollutant removal efficiencies across the system were 93.37 % for Chemical Oxygen Demand (COD), 91.37 % for Total Nitrogen (TN), and 91.45 % for Total Phosphorus (TP). A positive correlation (r = 0.5460) was found between total biomass and contaminant removal, suggesting that increased plant productivity enhances treatment performance.

In addition to vertical growth, species displayed variation in stem thickness, flowering cycles, and leaf production. Notably, Pontederia cordata and Heliconia psittacorum contributed to biodiversity and pollinator support.

The findings suggest that the strategic selection and combination of plant species can improve the functional performance of large-scale CWs across different operational stages, increasing system resilience to variable pollutant loads and promoting long-term treatment sustainability.

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来源期刊

Ecological Engineering 环境科学-工程：环境

CiteScore

8.00

自引率

5.30%

发文量

293

审稿时长

57 days

期刊介绍： Ecological engineering has been defined as the design of ecosystems for the mutual benefit of humans and nature. The journal is meant for ecologists who, because of their research interests or occupation, are involved in designing, monitoring, or restoring ecosystems, and can serve as a bridge between ecologists and engineers. Specific topics covered in the journal include: habitat reconstruction; ecotechnology; synthetic ecology; bioengineering; restoration ecology; ecology conservation; ecosystem rehabilitation; stream and river restoration; reclamation ecology; non-renewable resource conservation. Descriptions of specific applications of ecological engineering are acceptable only when situated within context of adding novelty to current research and emphasizing ecosystem restoration. We do not accept purely descriptive reports on ecosystem structures (such as vegetation surveys), purely physical assessment of materials that can be used for ecological restoration, small-model studies carried out in the laboratory or greenhouse with artificial (waste)water or crop studies, or case studies on conventional wastewater treatment and eutrophication that do not offer an ecosystem restoration approach within the paper.