Nature-based solutions for nutrient removal in tourism wastewater: pilot bio-gardens with red mangrove (Rhizophora mangle) and water hyacinth (Eichhornia crassipes) at Iberostar Bávaro, Dominican Republic
観光廃水の栄養塩除去のための自然を基盤とした解決策：ドミニカ共和国イベロスター・ババロにおける赤マングローブ(Rhizophora mangle)とホテイアオイ(Eichhornia crassipes)を用いたパイロットバイオガーデン (AI 翻訳)
Johanna Calle‐Triviño, Luz Valentina Lantigua, Ricardo Navarro, Macarena Blanco‐Pimentel
🤖 gxceed AI 要約
日本語
本論文では、ドミニカ共和国のリゾートホテルに設置したパイロットバイオガーデンにおいて、マングローブとホテイアオイの栄養塩除去能力を評価した。ホテイアオイはリンの除去に高い効果を示し、マングローブは植栽初期では限定的だった。自然を基盤とした排水処理の可能性を示す。
English
This paper evaluates nutrient removal by Rhizophora mangle and Eichhornia crassipes in pilot bio-gardens installed at a resort hotel in the Dominican Republic. Water hyacinth showed high phosphorus removal, while mangrove had limited effect during early establishment. The study supports nature-based solutions for tertiary wastewater treatment in tourism infrastructure.
Unofficial AI-generated summary based on the public title and abstract. Not an official translation.
📝 gxceed 編集解説 — Why this matters
日本のGX文脈において
本論文はドミニカ共和国の事例であるが、日本でも沿岸部のリゾート地や観光施設において、低コストで生態系に配慮した排水処理技術として応用可能性がある。ただし、気候や生態系の違いに注意が必要。
In the global GX context
This paper provides empirical evidence for nature-based solutions as tertiary wastewater treatment in coastal tourism settings, relevant to global sustainable tourism and blue economy initiatives. It demonstrates functional complementarity between plant species, useful for designing bio-gardens in similar contexts.
👥 読者別の含意
🔬研究者:Researchers can build on the experimental design and species performance data for further NbS optimization.
🏢実務担当者:Hotel operators and wastewater managers can consider bio-gardens as a low-cost polishing step to reduce nutrient discharge.
🏛政策担当者:Policymakers in tourism-dependent regions may find support for integrating NbS into wastewater regulations.
📄 Abstract（原文）
Introduction: Wastewater from coastal tourism operations often retains residual nitrogen and phosphorus after conventional secondary treatment, contributing to nutrient enrichment in adjacent marine ecosystems. Nature-Based Solutions (NbS) have been proposed as low-cost polishing strategies that integrate ecological processes into wastewater management. Objective: To evaluate the short-term nutrient attenuation potential of Rhizophora mangle and Eichhornia crassipes in constructed bio-gardens installed downstream of hotel wastewater treatment systems under operational conditions. Methods: Four concrete bio-gardens (3.0 × 1.2 × 0.6 m) were installed downstream of an on-site wastewater-treatment facility in the Dominican Republic. Three units were planted (replicated treatments units) and one was left unplanted (control). Phase 1 evaluated R. mangle under continuous flow using treated effluent. Phase 2 evaluated E. crassipes under similar hydraulic conditions using enriched influent to simulate elevated nutrient loads. Water samples were analyzed for phosphate, total phosphorus, nitrate–nitrogen, and total nitrogen over a 48-hour hydraulic retention period. Results: During Phase 1, R. mangle exhibited limited short-term nutrient attenuation consistent with early-stage system stabilization. In Phase 2, E. crassipes demonstrated substantial short-term phosphorus removal and moderate nitrogen attenuation under enriched conditions, whereas the unplanted control showed minimal change. Conclusions: Plant-based bio-gardens can be physically integrated into hotel wastewater systems and may contribute to nutrient-load reduction when appropriately designed and managed. The contrasting short-term dynamics observed between species highlight functional complementarity under different loading scenarios rather than direct species superiority. These findings support further investigation of NbS as tertiary polishing modules within sustainable tourism infrastructure.
🔗 Provenance — このレコードを発見したソース
- openalex https://doi.org/10.15517/d13esm54first seen 2026-07-02 05:39:47
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