1. General information
Location and description of the intervention
City or FUA
Cagliari (FUA)
Region
Europe
Native title of the NBS intervention
Tutela dello Stagno di Santa Gilla
Short description of the intervention
The Santa Gilla lagoon, a crucial wetland in the Cagliari metropolitan area of Sardinia, has been the focus of several interventions aimed at restoring and preserving its natural and socio-economic functions. The overarching goal of these projects is to rehabilitate the lagoon's ecosystems, improve public accessibility, and promote sustainable economic activities such as eco-tourism and fishing. One significant intervention is the restoration of pedestrian and cycling paths around the lagoon, managed by CACIP (Consorzio Industriale Provinciale di Cagliari) in collaboration with the Metropolitan City of Cagliari. With over two million euros in funding, this project aimed to recover the original profiles of the lagoon's embankments, while removing waste from the area and enhancing the paths for non-motorized mobility (2). Another crucial development was the legal action taken by the Corpo Forestale (Forestry Corps) in 2020 to address illegal constructions and pollution along the lagoon's eastern shores. This action included the sequestration of areas used for illegal fishing activities, where hazardous materials and waste were improperly disposed of, leading to environmental degradation​ (1). Furthermore, environmental groups have made continuous efforts to address illegal dumping near the lagoon, particularly along the SS 195 highway. These groups have actively sought the intervention of local authorities to initiate cleanup operations and enforce regulations against illegal waste disposal​ (4). The projects were implemented primarily to address the significant environmental hazards facing the Santa Gilla lagoon, including pollution from illegal dumping, habitat degradation due to unauthorized constructions, and the overall loss of biodiversity. These activities also aimed to mitigate the socio-economic risks posed by the deteriorating environmental conditions, such as the decline in tourism and sustainable fishing practices (1,2,4).
Implementation area characterization
Ecosystem
Address

Italy

Area boundary (map-based)
NBS area image
Source of NBS area image
https://www.google.com/maps/place/Stagno+di+Cagliari/@39.2433214,9.0627782,9358m/data=!3m1!1e3!4m6!3m5!1s0x12e7371ecb770125:0xcf13e814048fd2b9!8m2!3d39.2436854!4d9.0405249!16s%2Fm%2F03d8644?entry=ttu&g_ep=EgoyMDI0MDkxOC4xIKXMDSoASAFQAw%3D%3D
Area description
Type of area before implementation of the NBS
Timeline of intervention
Start date of the intervention (planning process)
1995
Start date of intervention (implementation process)
2013
End date of the intervention
ongoing
Present stage of the intervention
Objectives of the intervention
Goals of the intervention
To formally protect and manage the Santa Gilla lagoon system through a dedicated regional park structure (1).
To clean up illegal landfills, remove hazardous waste, and rehabilitate polluted habitats for long-term ecological integrity (1, 3).
To stop illegal fishing, squatting, dumping, and unregulated construction by seizing and securing affected areas (1).
To safeguard the lagoon’s unique ecosystems and the many protected species of birds, reptiles, and amphibians that inhabit it (1, 3).
To relaunch salt cultivation, develop eco-sustainable fishing, and foster nature-based tourism in harmony with conservation needs (1).
To restore pedestrian and cycle paths for nature observation, limit vehicle access, and encourage respectful, low-impact public enjoyment (2).
To return the lagoon’s banks to their original condition to preserve their function and aesthetic in line with landscape and environmental goals (2).
To engage the public through information campaigns, birdwatching centres to foster environmental stewardship (2).
To align local conservation and development efforts with Ramsar, EU Natura 2000, and national/regional laws and designs (1, 3).
What types of restoration goals are / were defined for the NBS intervention?
Implementation activities and NBS focus
Implementation activities
-Seizure of illegally occupied areas and 65 hazardous fishing shacks (Ref. 1)
-Relocation of indigent occupants with support from social and health services (Ref. 1)
-Environmental restoration entrusted to the Port Authority (Ref. 1)
-Use of a patrol boat for lagoon monitoring during the operation (Ref. 1)
-Reconstruction of pedestrian and cycling paths by the Metropolitan City (Ref. 2)
-Restoration of the lagoon bank profiles and cleanup of scattered waste (Ref. 2)
-Restriction of motor vehicle access to promote slow, nature-based mobility (Ref. 2)
-Provision of land and communication support by CACIP (Ref. 2)
- Advocacy for thorough environmental remediation and proper management (Ref. 3)
NBS domain and interventions
Ecological domain(s) where the NBS intervention(s) is/are implemented
Blue infrastructure
Rivers/streams/canals/estuaries
Coastal wetland, mangroves and salt marshes
Amenities offered by the NBS
Design elements for well-being
Services
Expected ecosystem services delivered
Provisioning services
Food for human consumption (crops, vegetables)
Water (surface and ground water for drinking and non-drinking purposes)
Genetic materials from all biota
Habitat and supporting services
Habitats for species
Cultural services
Tourism
Scale
Spatial scale
Micro-scale: District/neighbourhood level
Beneficiaries
Demographics in implementation area
The demographics around the Santa Gilla lagoon primarily include the population of the city of Cagliari and nearby towns such as Elmas and Assemini. Over time, industrialization and urban development have significantly impacted the lagoon and its surrounding areas. The city of Cagliari, alongside major industrial establishments like the ENEL power plant, the industrial area, and the airport, has contributed to the pollution of the lagoon. The industrial and urban waste from these areas, equivalent to the waste generated by a population of about two million people, has heavily polluted the lagoon. This pollution has caused significant ecological damage, including the dying off of fish and other aquatic life, which traditionally supported the local population that relied on fishing. The local population around the lagoon has historically been involved in fishing, but industrialization has altered the traditional way of life, leading to economic challenges for families dependent on the lagoon’s resources. As a result, the area has faced a decline in fishing activities and an increase in pollution-related health issues, contributing to the overall degradation of the lagoon and its surroundings ref 5.
Socio-economic profile of the area
Communities vulnerable to environmental hazards or climate change impacts
Unknown
Specify primary beneficiaries
Restoration projects that improve public access to the lagoon, such as the development of pedestrian and cycling paths, benefit tourists and eco-tourism operators. These interventions enhance the natural beauty and accessibility of the area, promoting sustainable tourism and providing economic opportunities​ ref 2.
The projects aimed at restoring the lagoon’s environment and water quality directly benefit the local communities, particularly those whose livelihoods depend on fishing. By improving the health of the lagoon, the projects support the revival of fishing activities, which are crucial for the economic well-being of families in the area ref 5. Environmental groups, such as Gruppo d'Intervento Giuridico and Amici della Terra, benefit from the successful implementation of environmental remediation and conservation efforts. These projects align with their goals of preserving natural habitats and promoting sustainable environmental practices​ ref 4.
Marginalized groups
Governance
Governance arrangements
Please specify the roles of the specific government and non-government actor groups involved in the initiative
Forestry Corps (Corpo Forestale): Led law enforcement actions, environmental investigations, and lagoon surveillance during the seizure. (Ref. 1)
Metropolitan City of Cagliari: Funded and coordinated infrastructure redevelopment (e.g., cycling paths, bank restoration). (Ref. 2)
Port Authority: Entrusted with environmental restoration and future management of the seized area. (Ref. 1)
Region of Sardinia: Supported the strategic framework, including the creation of the Regional Park and earlier pollution control initiatives. (Ref. 1, 3)

Other actors involved: Law Enforcement Agencies, Municipal Social Services & ATS (Health Authority), CACIP (Provincial Industrial Consortium of Cagliari), Amici della Terra & Gruppo d’Intervento Giuridico, Ministries of Environment and Cultural Heritage.
Key actors - initiating organization
Key actors - Other stakeholders involved (besides initiating actors)
Regional government
Public sector institution
Non-government organisation/civil society
Private sector/corporate actor/company
Participatory methods/forms of stakeholder involvement (all stakeholders)
Uncommon actors ("Missing actors")
Policy drivers
NBS intervention implemented in response to a Regional Directive/Strategy
Unknown
NBS intervention implemented in response to a national regulations/strategy/plan
Unknown
NBS intervention implemented in response to a local regulation/strategy/plan
Yes
Please specify the "local regulation/strategy/plan"
The Santa Gilla pond is of great interest from a vegetational, faunal and environmental point of view .
It is a wetland of international importance (international Ramsar Convention of 1971, Presidential Decree no. 448/1976, Ministerial Decree 30 September 1980), it is protected by a specific landscape constraint (legislative decree no. 42/2004 and subsequent amendments). It is also included in the regional nature reserve to be established “Stagno di Santa Gilla” ref 3
Relevant strategy or plan
Mandatory or voluntary intervention
Mandatory (based on policy)
Intervention is mandatory
Enablers & Barriers
Please provide details (e.g, name of the plan or strategy) for the selected policies or initiatives.
Public private partnerships: The Provincial Industrial Consortium of Cagliari initiatives continue in agreement with the Metropolitan City of Cagliari, which is implementing an important project to recover pedestrian and cycle paths near the Santa Gilla lagoon. ref 2
Arrangements for governance cooperation
Barriers
displacement: The operation was preceded by the intervention of the Municipal Department of Social Services and the ATS, in order to accommodate two indigents, the only ones who were actually staying overnight in the shacks. For one of them, the intervention of the ATS was necessary as he was in poor health. ref 1
Financing
Please specify total cost (EUR)
over two million euros ref 2
Source(s) of funding
Type of fund(s) used
Non-financial contribution
Unknown
Co-finance for NBS
Unknown
Entrepreneurship opportunities
Unknown
Business models
Business models
Which of the involved actors was motivated by this model?
Impacts, benefits
Description of environmental benefits
-Achieved improved waste management Removal of pollution sources from seized areas (1). Enforcement actions and land transfer to the Port Authority laid the groundwork for environmental restoration, curbing active misuse of the lagoon ecosystem.
- Expected enhanced protection and restoration of coastal and marine ecosystems & Expected improved water quality : Planned interventions aim to restore natural lagoon functions, improve water quality, and regenerate habitats for local flora and fauna (1,2).
-Expected reduced biodiversity loss & Expected increased number of species present: Restoration efforts are expected to benefit numerous protected species, including birds, amphibians, and reptiles listed under EU directives (Ref. 1, Ref. 3).
Description of economic benefits
-Expected more sustainable tourism: Infrastructure improvements (e.g., walking and cycling paths) are designed to attract tourist and recreational spending linked to birdwatching, nature trails, and environmental education, promoting local service economies (Ref. 2).
-Expected stimulate development in deprived areas: The project aims to revive traditional productive sectors, such as inland fishing and salt cultivation, with improved ecological conditions enabling safer and more sustainable practices (Ref. 1).
-Expected attraction of business and investment & Expected increased property prices: Environmental restoration and elimination of illegal land use are expected to enhance land value, improve the area's image, and attract future investment and sustainable development (Ref. 1, 2).
Description of social and cultural benefits
-Expected decreased crime rates: The investigations of the environmental judicial police have determined that 23 individuals have been charged with the following crimes: illegal occupation of the lagoon area of Santa Gilla, belonging to the maritime state property; deterioration of a habitat in the protected lagoon area of Santa Gilla, compromising its conservation; construction of an unauthorized landfill for various types of waste, including hazardous waste; defacement of the landscape-environment in the absence of a landscape authorization. ref 1
- Achieved improved community safety to climate-related hazards: The removal of hazardous and illegal settlements reduced fire risks, pollution, and the presence of dangerous animals, contributing to a safer and cleaner environment for nearby communities (Ref. 1).
-Achieved improved livability: Social services and health authorities intervened to relocate and assist indigent residents, demonstrating an effort to combine environmental enforcement with social care (Ref. 1).
-Expected increased knowledge of locals about local nature: The project includes communication initiatives and infrastructure (e.g., ornithological centers, conference spaces), expected to foster public understanding and appreciation of wetlands (Ref. 2).
-Expected protection of natural heritage: By supporting the revival of salt harvesting and eco-friendly fishing, the project aims to reconnect local communities with historical livelihoods and cultural heritage (Ref. 1).
-Expected improved access to urban green space & Expected gain in activities for recreation and exercise: Development of pedestrian and cycling paths encourages inclusive, non-motorized access to natural spaces, promoting well-being, leisure, and social cohesion through shared use (Ref. 2).
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
Name of any specific impact assessment tools
unknown
Use of GIS in mapping impacts
No evidence in public records
Cost-benefit analysis
Unknown
Transparency
Justice
Description of locals satisfaction with the project
The role of environmental groups in pushing for action, such as the Gruppo d'Intervento Giuridico and Amici della Terra, implies that the government did not take proactive measures initially. These groups had to actively campaign and submit requests to local authorities to initiate cleanup and restoration efforts, indicating a gap in government responsibility and oversight​ ref 4
Trade-offs & Negative impacts
Please specify Trade-offs & Negative impacts Selected
unknown
Emphasis of existing social inequalities or injustices
Measures to prevent gentrification or displacement
High-quality & Transformative NBS
Multiple impacts delivery (climate, biodiversity, just community)
No
Goal setting and impacts delivery
No, project goals were not set, and benefits were not delivered in all 3 key areas.
Reaching original project goals
Long-term perspective
Yes
Cost-effective solutions
Unknown
Equitable impacts
Application of lessons learned
Perception of Environmental Change
Yes
NBS Supports ecological or environmental anxiety
Unknown
References
1.
Regione Autonoma della Sardegna (2020). Tutela dello Stagno di Santa Gilla: il Corpo Forestale sequestra l’area della sponda EST. Accessed on September 20, 2024, [Source link] [Archive];
2.
Consorzio Industriale Provinciale di Cagliari (2021). A spasso nella laguna. Accessed on September 20, 2024, [Source link] [Archive];
3.
Gruppo d'Intervento Giuridico (GrIG) (2013). Chiesta la bonifica ambientale delle sponde di Santa Gilla (Cagliari).. Accessed on September 20, 2024, [Source link] [Archive];
4.
SKY TG24 (2021). Discarica su Ss 195 tra il mare e lo stagno di Santa Gilla. Accessed on September 20, 2024, [Source link] [Archive];
5.
Defendi; Daniele (1995). Reclamation and Restructuring of Santa Gilla Lagoon. Accessed on September 20, 2024, [Source link] [Archive];
Comments and notes
Public Images
Image
photo of the lagoon
photo of the lagoon
http://www.sardegnaambiente.it/index.php?xsl=612&s=414806&v=2&c=4577&idsito=19
Image
photo of the lagoon
photo of the lagoon
https://gruppodinterventogiuridicoweb.com/2013/05/06/chiesta-la-bonifica-ambientale-delle-sponde-di-santa-gilla-cagliari/
Image
photo of the lagoon
photo of the lagoon
https://cacip.it/a-spasso-nella-laguna/