The Unexpected Role of an Urban Basin in a River Ecosystem: Gapcheon and Daejeon, Republic of Korea

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Updated: 15/12/2025
The Unexpected Role of an Urban Basin in a River Ecosystem: Gapcheon and Daejeon, Republic of Korea

Project Overview

Conserve Process NO
Enhance Process YES
Apply Complementary NO

Ecosystem Services

Provisioning

  • Provisioning Services are ecosystem services that describe the material or energy outputs from ecosystems. They include food, water and other resources.

Regulating

  • Regulating Services are the services that ecosystems provide by acting as regulators eg. regulating the quality of air and soil or by providing flood and disease control.

Habitat / Supporting

  • Ecosystem services "that are necessary for the production of all other ecosystem services". These include services such as nutrient recycling, primary production and soil formation.

Cultural

  • Cultural Services corresponds nonmaterial benefits people obtain from ecosystems through spiritual enrichment, cognitive development, reflection, recreation, and aesthetic experiences.

Major Issues

No issues provided.

EH Engineering Solutions

Daejeon City has been selected as “Water

Daejeon City has been selected as “Water Cycle Leading City” by the Korean government and has been financially supported approx. 25 milo. USD to install LID (Low Impact Development) facilities from 2016. However, the effectiveness and the feasibility of the installation of the ecohydrological structure is yet to be proved or monitored.

In order to manage the endemic plants

In order to manage the endemic plants of Gapcheon, a project to remove ecosystem-disturbing plants (thorn gourd, maple leaf ragweed, ragweed, etc.) is being promoted, and Tamnipdolbo provides a variety of spaces to not only citizens but also to wildlife such as habitat for migratory birds

Gapcheon Wetland is home to 448 species

Gapcheon Wetland is home to 448 species of animals and plants, including 29 species of birds and 23 species of fish. Its biological conservation value was recognized and it was designated as a national wetland protection area in June 2023. Gapcheon has a wide stream and high flow, and has a wide distribution of riverside grasslands and river vegetation, providing a habitat as well as a feeding ground for otters. There is also a group habitat for Maengkkongi (Kaloula borealis).

In the case of urban stream, maintenance

In the case of urban stream, maintenance of environmental flow is fairly difficult due to interruption of groundwater movement by building and decrease in infiltration due to increased pavement. Rainwater treatment and reuse can be a good alternative to manage this problem.

Project Activities

  • - (Annually) Continuous management of the river through the budget for maintenance expenses supported by the Ministry of Environment (facility maintenance, garbage collection, mowing)
  • - (until 2032) Creating a luxury flower complex in spring and autumn (flower poppy, mistweed, etc.)
  • - (2029-2030) Creation of a waterfront space in connection with Norubeol Garden (A=18,000㎡)
  • - (until 2032) Implementation of three major river cultural trips in connection with the Korea Water Resources Corporation (K-water)’s storytelling project ‘Ban-gap-dae-yu (Nice to meet you)’

Expected Outcomes

The publicity effect of Daejeon, the tourism effect of Norubeol Garden (in progress), and national interest in Gapcheon is expected to be increased. In addition, it is expected that the conservation value as an important place for academic and research activities as well as the effect as a tourist attraction will increase due to the improvement of ecological value along with the demand for experiencing wetlands in the city.

Latest Results

No results provided yet.

Social-Ecological System

Integrated view of principles, objectives, stakeholders and methodology.

Ecohydrology Principles and Solutions

Hydrological Quantification
  • Quantification of the hydrological processes at catchment scale and mapping the impacts | Ecological engineering (integration, dual regulation and biotechnologies in catchment scale for enhancement of ecological potential)
Ecological Identification
Ecological Engineering & Nature-based Solutions
  • Daejeon City has been selected as “Water Cycle Leading City” by the Korean government and has been financially supported approx. 25 milo. USD to install LID (Low Impact Development) facilities from 2016. However, the effectiveness and the feasibility of the installation of the ecohydrological structure is yet to be proved or monitored. | In order to manage the endemic plants of Gapcheon, a project to remove ecosystem-disturbing plants (thorn gourd, maple leaf ragweed, ragweed, etc.) is being promoted, and Tamnipdolbo provides a variety of spaces to not only citizens but also to wildlife such as habitat for migratory birds | Gapcheon Wetland is home to 448 species of animals and plants, including 29 species of birds and 23 species of fish. Its biological conservation value was recognized and it was designated as a national wetland protection area in June 2023. Gapcheon has a wide stream and high flow, and has a wide distribution of riverside grasslands and river vegetation, providing a habitat as well as a feeding ground for otters. There is also a group habitat for Maengkkongi (Kaloula borealis). | In the case of urban stream, maintenance of environmental flow is fairly difficult due to interruption of groundwater movement by building and decrease in infiltration due to increased pavement. Rainwater treatment and reuse can be a good alternative to manage this problem.

Objectives

EH Objectives
Water 5/5
Biodiversity 4/5
Services 4/5
Resilience 4/5
Cultural Heritage 0/5
Project Objectives
  • Culture, Three sections of Gapcheon are applying for the designation as UNESCO Ecohydrology Demonstration site, (a) Norubeol in Heukseok-dong, Seo-gu, (b) National Wetland Reserve (Taebongbo-Dosoldaegyo Bridge), as well as (c) Maengkkongi (Kaloula borealis) habitat at the confluence of the Geumgang River. There areas are not only planned to be significantly improved water-wise, but also in that ecosystem surveys are conducted periodically, it is a place with high environmental and ecological conservation values. Education, Daejeon is the city of Education, it hosts number of competitive universities including Chungam National University and KAIST. Daejeon is also home of National Research Institute including Basin Science Research Institutes supported by Korean government Law, The City has organized its ordinances to support ecosystem health of the basin and the Gapcheon. Policy, In January 2018, Daejeon City has enacted a municipal ordinance on ‘Water cycle improvement’ in line with the ‘Water Cycle Leading City’ project. In December 2018, the City has established a master plan for ‘Water cycle improvement’ as well.

Key Stakeholders

Chungnam National University Daejeon Metropolitan City (Ecological Stream Division)

Methodology