1. General information
Location and description of the intervention
City or FUA
Yiwu
Region
Asia
Short description of the intervention
The municipal government of the Yiwu city in China has launched the Green Lungs of the City Project (GLCP) in 2019. The overarching goal was to build a green lung, which will create more green spaces for residents in Yiwu, mitigate environmental pressures and improve the city's resilience to climate change. Under the project, a green corridor was created to reconnect the roads, rivers, ponds and lakes where different tree species were planted. Additionally, wetlands were constructed and restored to improve resilience against climate change disasters. The project is still in the ongoing phase, and a forest-wetland ecological park is under development in the city's central area. The GLCP aims to use different types of NBS elements to promote sustainable urban development and to provide multiple ecosystem services to the citizens in a highly urbanised area. [1]
Address

Yiwu
China

Total area
8400000.00m²
NBS area
8400000.00m²
Type of area before implementation of the NBS
Timeline of intervention
Start date of the intervention (planning process)
2006
Start date of intervention (implementation process)
2019
End date of the intervention
ongoing
Present stage of the intervention
Goals of the intervention
1. To create more green spaces in the city to reduce the environmental pressure and increase city resilience in fighting climate change.
2. To promote sustainable urban development by ecosystem services provided by Blue-Green-Infrastructure.
3. To improve the green and blue landscape connectivity for biodiversity conservation and water purification.
4. To provide health and wellbeing benefits gained through the Blue-Green-Infrastructure.
5. Creation and restoration of wetlands to improve resilience against climate change disasters.
6. Reconnect roads, rivers, ponds and lakes [1, 2].
Quantitative targets
Creation of 1 botanical garden, 1 forest-wetland park, 1 agricultural park. [1, 2]
Monitoring indicators defined
Unknown
Climate change adaptation: What were the goals of the NBS?
Habitats and biodiversity conservation: What types of conservation goals are / were defined for the NBS intervention?
Implementation activities
Trees, including native species, were planted in the areas where no to very few trees existed. In some areas, trees were planted to create urban forests (dense plantations with selective species). Existed wetlands or ponds were restored. A few new wetlands were constructed. These were done in a way that the BGI elements create a green corridor and habitats for different species. Conservation and protection plans were made for existed and newly planted trees. Water plants near the wetlands were of special attention as they help water purification. Empty and not in use grey infrastructures were demolished and reforested. Furthermore, pathways for bicycling were also built for citizens to promote green transport. The project is ongoing and more tree plantations and wetland conservation are under development. [1, 2, 3]
NBS domain and interventions
Ecological domain(s) where the NBS intervention(s) is/are implemented
Blue infrastructure
Lakes/ponds
In-land wetlands, peatlands, swamps, and moors
Community gardens and allotments
Allotments
Green areas for water management
Swales and filter strips
Parks and urban forests
Large urban parks or forests
Botanical gardens
Please specify the number of plots or allotment gardens
Unknown
What is the level of innovation / development of the NBS related to water management?
Please specify how many trees were planted
Unknown
Services
Expected ecosystem services delivered
Provisioning services
Food for human consumption (crops, vegetables)
Water (surface and ground water for drinking and non-drinking purposes)
Regulating services
Air quality regulation
Carbon storage/sequestration
Flood regulation
Habitat and supporting services
Habitats for species
Cultural services
Intellectual interactions (scientific and / or educational)
Social and community interactions
Scale
Spatial scale
Meso-scale: Regional, metropolitan and urban level
Beneficiaries
Governance
Non-government actors
Public sector institution (e.g. school or hospital)
Non-governmental organisation (NGO) / Civil society / Churches
Citizens or community groups
Coalition with multiple of the above
Please specify the roles of the specific government and non-government actor groups involved in the initiative
The GLCP was led by the Metropolitan City of Yiwu and Yiwu Natural Resources and Planning Bureau and was planned and implemented at the municipal (with the master plan of Yiwu City) and sub-district levels by means of public-private participation (PPP). A variety of stakeholders participated in its realisation; these include governing and park planning authorities; Yiwu Bureau of Culture and Tourism; Beijing Beilin Landscape Architecture institute co. Ltd.; Yiwu City Investment and Construction Group Co., Ltd.; researchers, urban planners, ecologists, park wardens and associated members; municipalities of the sub-districts (Futian, Houzhai). [1, 2]
Key actors - Other stakeholders involved (besides initiating actors)
Regional government
Local government/municipality
Public sector institution
Non-government organisation/civil society
Citizens or community group
Researchers/university
Private foundation/trust
Social enterprise
Policy drivers
NBS intervention implemented in response to an Regional Directive/Strategy
No
NBS intervention implemented in response to a national regulations/strategy/plan
Yes
Please specify the national regulations/strategy/plan
Urban and Rural Planning Law of the People’s Republic of China, Forestry Law of the People's Republic of China [2]
NBS intervention implemented in response to a local regulation/strategy/plan
Yes
Please specify the "local regulation/strategy/plan"
Master Plan of Yiwu City (2013-2030) [2]
Mandatory or voluntary intervention
Mandatory (based on policy)
Intervention is mandatory
Enablers
Presence of specific city-level GI/NBS vision/strategy/plan - mentioned in connection to the project
Unknown
Presence of specific city-level GI/NBS section/part in a more general plan - mentioned in connection to the project
Yes
Please specify the general plan with GI/NBS section
Plan for Yiwu New town based on the high-speed train system (2017-2035), Master Plan of Yiwu Information Photoelectric Hightech Zone (2017-2035). [2]
If there is a relevant strategy or plan, please specify the theme / type of the plan.
Presence of city network or regional partnerships focused on NBS - mentioned in connection to the project
Yes
Please specify
Yiwu Park Wardens [1, 2]
Presence of GI / NBS research project - mentioned in connection to the project
Unknown
Subsidies/investment for GI / NBS in the city - mentioned in connection to the project
Unknown
Co-finance for NBS
Yes
Co-financing governance arrangements
Yes
Co-governance arrangement
Was this co-governance arrangement already in place, or was it set up specifically for this NBS?
Financing
What is/was the Cost/Budget (EUR) of the NBS or green infrastructure elements?
Unknown
What are the total amount of expected annual maintenance costs?
Unknown
What is the expected annual maintenance costs of the NBS or GI elements?
Unknown
Please specify cost savings
Unknown
Please specify total cost (EUR)
Total: 693 million euro. The first phase of construction: 428 million. The second phase of construction: 265 million. [2, 5]
Non-financial contribution
Unknown
Business models
Which of the involved actors was motivated by this model?
Please specify technological innovation
A green lung for the city of Yiwu was created with urban forest parks, tree rows, wooded riverbanks, ponds and lakes, natural and semi-natural water bodies and hydrographic networks (i.e., river corridor, lake banks, pond), ornamental trees, botanical garden, and bioswales with trees and constructed wetlands. These together created a green corridor that provided habitats for different species. [2, 3]
Novelty level of the innovation
Please specify novelty level of the innovation
Unknown
Please specify Replicability/Transferability
As it is an ongoing project, this project is expected to be a good field lab for Urban Forests as Nature-Based Solutions (UF-NBS) and serve as an example to be developed in other cities across the globe. [2]
Impacts, benefits
Description of environmental benefits
1. Selected tree species that could avoid plant source pollution (e.g. willow, pollen pollution) are expected to improve the air quality.
2. Natural and semi-natural waterbodies with constructed wetlands have reduced the pollutant load and purified the water.
3. The constructed wetlands work as a protection from flooding and help in stormwater management.
4. The project is creating a connection among the existed ponds, rivers, lakes and three reservoirs, which will develop a natural system of water purification cycle.
5. The botanic garden with ornamental and native trees is expected to improve the biodiversity of the city significantly. [1, 3]
Description of economic benefits
1. The project will create more green job opportunities for social society (e.g. more workers or staff to manage the new afforestation sites, develop eco-tourism).
2. The ecosystem services provided by the green corridors and the constructed wetlands are expected to reduce the financial burden of the city (e.g. stormwater management, water purification).
3. The agricultural park and organic farming have increased and engaged many stakeholders. [1, 3, 4]
Description of social and cultural benefits
1. A rich cultural heritage of Yiwu City is preserved in the Green Lungs of the City project, including wetlands ecological culture, farming cultures, folk cultures (e.g. farmer painting, Chinese paper cutting, pottery), traditional customs.
2. Several workshops on biodiversity conservation, butterfly and bees protection have engaged many interested citizens and improved the understanding of the NBS and its benefits among the locals. This also has increased the interaction between nature and citizens and people's connection to local nature.
3. The project also created space for recreation, social activities and environmental education [1, 3, 4]
Type of reported impacts
Indicators
Unknown
Analysis of specific impact categories
Job creation: The NBS created ...
Environmental justice: The implementation of the NBS project resulted in ...
Negative impacts: Did the project cause any problems or concerns?
No information was found regarding negative impacts of the project
COVID-19 pandemic
Unknown as of April 2022.
Methods of impact monitoring
Evidence for use of assessment
Presence of an assessment, evaluation and/or monitoring process
Unknown
Presence of indicators used in reporting
No evidence in public records
Presence of monitoring/evaluation reports
No evidence in public records
Availability of a web-based monitoring tool
No evidence in public records
Impact assessment mechanism
Name of any specific impact assessment tools
Unknown
Use of GIS in mapping impacts
No evidence in public records
Citizen involvement
Citizens involvement in assessment/evaluation
Unknown
Citizens involvement in the analysis of the assessment/evaluation
Unknown
Follow-up to the evaluation / assessment
Unknown
References
List of references
1. Clearing House Project Case Studies (n.d.). Blog, Nature-Based Solutions Urban Forests. URL: http://clearinghouseproject.eu. Accessed on 25th March, 2022.
2. NetworkNature (n.d.). Green Lungs of The City - Forest and Wetlands Park, Yiwu - Zhejiang Province, China. URL: https://networknature.eu/casestudy/22590. Accessed on 25th March, 2022.
3. City of Yiwu. (2022). Yiwu City Made Concerted Efforts to Strive for National Forest City. URL: http://www.yw.gov.cn/art/2022/3/21/art_1229436709_59301387.html. Accessed on 4th April, 2022.
4. Yiwu Natural Resources and Planning Bureau. URL: http://www.yw.gov.cn/col/col1229123254/index.html. Accessed on 4th April, 2022.
5. City of Yiwu (2022). Summary of Yiwu's Work in Ten Aspects. URL: http://www.yw.gov.cn/art/2022/3/21/art_1229436709_59299764.html. Accessed on 4th April, 2022.
Comments and notes
Public Images
Image
Yiwu Green Lung of the City
Yiwu Green Lung of the City
https://news.zgyww.cn/system/2019/12/06/010176489.shtml