23 Multi-Benefit Resources

Nature-Based Solutions Evidence Tool

Author: University of Oxford (2019)
Geography: Global
Level of Detail: Economic valuation, Quantitative benefits

Availability: Publicly Available

Water Management Strategies: Agricultural flooding, Agricultural land management, Conservation design, Floodplain connectivity and rehabilitation, Forest thinning, Infiltration or filtration, Land Management, Living shorelines, Low impact landscaping, Recharge area protection, Reforestation and forest conservation, Riparian buffers, Runoff conveyance, Runoff storage, Stream protection and restoration, Wetland protection and restoration

Specific Benefits or Trade-offs: Agricultural, Air quality, Ambient water quality, Carbon sequestration, Community resilience, Extreme events, Flooding, GHG emissions, Habitat and biodiversity, Health and safety, In stream flows, Land and environment, Local economy, Peak flood volume, People and Community, Resource recovery, Risk and Resilience, Soil health, Supply augmentation, System resilience, Total flood volume, Water quality, Water Supply, Water supply reliability

The Nature-Based Solutions Evidence Tool is primarily an online catalog of peer-reviewed research that provides evidence of the impacts of nature-based solutions (NbS) on a wide variety of benefit categories. The tool allows the user to filter results in a variety of ways, including by intervention type, habitat type, climate change impact, effect of Nbs on ecosystem service, geography, and more. Results are displayed in a variety of formats, helping the user to understand the landscape of quantitative and economic research related to a variety of NbSs.

The Napa River Basin, California

Author: Naturally Resilient Communities (2016)
Geography: Western U.S.
Level of Detail: Case study, Qualitative description

Availability: Publicly Available

Water Management Strategies: Agricultural flooding, Centralized Stormwater Infrastructure, Embankment and horizontal levees, Flood bypass systems, Flood Control, Floodplain connectivity and rehabilitation, Land Management, Recharge area protection, Riparian buffers, Storm drains and pipes, Wetland protection and restoration

Specific Benefits or Trade-offs: Aesthetics, Ambient water quality, Flooding, Habitat and biodiversity, Land and environment, Local economy, Peak flood volume, People and Community, Recreation, Total flood volume, Water quality

The Napa River Basin, California provides a short overview of the multi-benefit approach taken by the Napa River communities to mitigate flood risk. The chosen approach deliberately sought not only to reduce the risk and impact of flooding from the Napa River, but also to preserve and restore habitat, reconnect the floodplain, and improve community livability.

COMET-Planner

Author: USDA, Colorado State (2019)
Geography: U.S.
Level of Detail: Decision support tool, Quantitative benefits

Availability: Publicly Available

Water Management Strategies: Agricultural land management, Land Management, Reforestation and forest conservation, Riparian buffers

Specific Benefits or Trade-offs: GHG emissions, Land and environment

The COMET-Planner provides estimates of greenhouse gas emissions for specific agricultural conservation practices. The tool allows for farmers and managers to select potential strategies and quantify the emissions based on the number of acres adopting the practice.

The Economic Value of Riparian Buffers

Author: Young, American Rivers (2016)
Geography: U.S.
Level of Detail: Economic valuation

Availability: Publicly Available

Water Management Strategies: Land Management, Riparian buffers

Specific Benefits or Trade-offs: Aesthetics, Land and environment, Local economy, People and Community

The Economic Value of Riparian Buffers provides analyses of current valuation of riparian buffers. The report discusses valuation from impact on residential property values and community value with a multiple benefit perspective. Benefits to community, air quality, flooding, habitat, and water quality are considered and further valuation research is suggested to better include those values.

Water Funds Toolbox

Author: The Nature Conservancy (N/A)
Geography: Global
Level of Detail: Case study, Decision support tool, Qualitative description

Availability: Publicly Available

Water Management Strategies: Agricultural land management, Conservation design, Distributed Stormwater Infrastructure, Floodplain connectivity and rehabilitation, Infiltration or filtration, Land Management, Low impact landscaping, Recharge area protection, Reforestation and forest conservation, Riparian buffers, Stream protection and restoration, Water Conservation and Efficiency, Wetland protection and restoration

Specific Benefits or Trade-offs: Land and environment, People and Community, Risk and Resilience, Water Supply

The Water Fund Toolbox provides a wide variety of resources, case studies, tools, etc. for groups seeking to create or advance the work of a Water Fund. A Water Fund is an organization that designs and enhances financial and governance mechanisms which unite public, private, and civil society stakeholders around a common goal to contribute to water security through nature-based solutions and sustainable water management.

San Francisco Bay Shoreline Adaptation Atlas

Author: San Francisco Estuary Institute, SPUR (2019)
Geography: Western U.S.
Level of Detail: Case study, Decision support tool, Qualitative description

Availability: Publicly Available

Water Management Strategies: Centralized Stormwater Infrastructure, Conservation design, Constructed stormwater wetlands, Detention basins, Distributed Stormwater Infrastructure, Embankment and horizontal levees, Flood Control, Floodplain connectivity and rehabilitation, Infiltration basins, Infiltration or filtration, Land Management, Living shorelines, Retention basins, Riparian buffers, Stream and channel modifications, Stream protection and restoration, Wetland protection and restoration

Specific Benefits or Trade-offs: Flooding, Land and environment, People and Community, Water quality

The San Francisco Bay Shoreline Adaptation Atlas offers practitioners and decision makers in the region a comprehensive, science-based framework for assessing, planning, and designing sea level rise adaptation strategies. The framework organizes adaptation strategies around geographically connected areas, called Operational Landscape Units (OLUs); these OLUs are explained in depth with specific strategies considered for each within the Atlas’ mapping tool.

NatCap Checker

Author: Natural Capital Coalition (2019)
Geography: Global
Level of Detail: Decision support tool, Economic valuation, Quantitative benefits

Availability: Publicly Available

Water Management Strategies: Agricultural land management, Centralized Stormwater Infrastructure, Constructed stormwater wetlands, Distributed Stormwater Infrastructure, Flood Control, Floodplain connectivity and rehabilitation, Infiltration or filtration, Land Management, Living shorelines, Low impact landscaping, Recharge area protection, Reforestation and conservation, Riparian buffers, Stream protection and restoration, Wetland protection and restoration

Specific Benefits or Trade-offs: Energy, Flooding, Land and environment, People and Community, Risk and Resilience, Water quality, Water Supply

The NatCap Checker is a tool by the Natural Capital Coalition, created to help organizations make more informed decisions that help conserve and enhance the natural capital that we all depend upon. It is a self-assessment tool that enables practitioners to assess, communicate, and improve the level of confidence in their natural capital assessments.

Natural Infrastructure in the Nexus

Author: Ozment, DiFrancesco, & Gartner, IUCN, International Water Association, World Resources Institute (2015)
Geography: Global
Level of Detail: Decision support tool, Qualitative description

Availability: Publicly Available

Specific Benefits or Trade-offs: Flooding, Water quality, Water Supply

This paper discusses how natural infrastructure, the networks of land and water that provide services to people, can help decision makers and infrastructure managers address interconnected challenges facing water, energy, and food systems, often referred to as the “nexus.” The paper examines reasons and ways to include natural infrastructure in this nexus, challenges that have prevented increased investment in natural infrastructure, and recommendations for moving forward.

Nature and Health

Author: Hartig et al., (2014)
Geography: Global
Level of Detail: Qualitative description, Quantitative benefits

Availability: Publicly Available

Water Management Strategies: Centralized Stormwater Infrastructure, Constructed stormwater wetlands, Distributed Stormwater Infrastructure, Flood Control, Floodplain connectivity and rehabilitation, Infiltration or filtration, Land Management, Living shorelines, Low impact landscaping, Recharge area protection, Reforestation and conservation, Riparian buffers, Stream protection and restoration, Wetland protection and restoration

Specific Benefits or Trade-offs: Air quality, Community resilience, Health and safety, Land and environment, People and Community, Recreation

This article presents the state of knowledge with regards to human health and well-being from contact with nature. The article includes a discussion of the term “nature,” a review of relevant research including linkages between nature and benefits, and the gaps, challenges, methodological approaches that could be used for future research.

Green Cities: Good Health

Author: University of Washington, U.S. Forest Service, and Urban and Community Forestry (N/A)
Geography: U.S.
Level of Detail: Case study, Economic valuation, Qualitative description, Quantitative benefits

Availability: Publicly Available

Specific Benefits or Trade-offs: Aesthetics, Affordability, Health and safety, Local economy, People and Community, Recreation, Urban heat island

Green Cities: Good Health is an online compilation and synthesis of research related to urban green spaces and human health and well-being. The website includes introductory material, summaries of current research into the numerous benefits of urban green space, future research, and a comprehensive list of references.

Opportunities for natural infrastructure to improve urban water security in Latin America

Author: Tellman et al., (2018)
Geography: Outside U.S.
Level of Detail: Case study, Quantitative benefits

Availability: Publicly Available

Water Management Strategies: Agricultural land management, Forest thinning, Land Management, Recharge area protection, Reforestation and forest conservation, Riparian buffers, Wetland protection and restoration

Specific Benefits or Trade-offs: Ambient water quality, Drinking water quality, Flooding, Peak flood volume, Total flood volume, Water quality

Opportunities for natural infrastructure to improve urban water security in Latin America offers a continent-scale analysis of ecosystem services provided by watershed conservation and other land management activities. The authors present a method for assessing the potential for watershed conservation activities to improve surface drinking water quality and mitigate flood risks.

Valuing investments in sustainable land management in the Upper Tana River basin, Kenya

Author: Vogl et al., (2017)
Geography: Outside U.S.
Level of Detail: Case study, Quantitative benefits

Availability: Paywall

Water Management Strategies: Agricultural land management, Land Management, Reforestation and forest conservation, Riparian buffers

Specific Benefits or Trade-offs: Agricultural benefits, Ambient water quality, Drinking water quality, Energy, Energy for water treatment, Energy production, Flooding, In stream flows, Land and environment, Risk and Resilience, Soil quality, Supply augmentation, Total peak volume, Water quality, Water Supply, Water supply reliability

Valuing investments in sustainable land management in the Upper Tana basin, Kenya provides a case study of valuing ecosystem services using the InVEST model (of the Natural Capital Project) to assess the multiple benefits of land management practices in a large, diverse watershed. This study provides detailed analysis of targeted interventions that take into account stakeholder preferences, local environmental and socio-economic conditions. The outputs of the model link biophysical outputs to monetary metrics, including reduced water treatment costs, increased hydropower production, and crop yield benefits.

Informing watershed planning and policy in the Truckee River basin through stakeholder engagement, scenario development, and impact evaluation

Author: Podolak et al., (2017)
Geography: Western U.S.
Level of Detail: Case study, Quantitative benefits

Availability: Publicly Available

Water Management Strategies: Forest thinning, Land Management, Riparian buffers, Stream protection and restoration, Wetland protection and restoration

Specific Benefits or Trade-offs: Ambient water quality, In stream flows, Land and environment, Regulatory compliance, Risk and Resilience, Water quality

In Informing watershed planning… Podolak et al. evaluate the water quality and water quantity impacts of stream andl and restoration activities in the Truckee River watershed, in the context of regulatory compliance goals. Using the InVEST model to compare stakeholder-determined scenarios of different restoration activities, locations, and investment levels, the results demonstrate how these differences impact water quality outcomes.

Case Study Fluvial and ecosystem restoration of the Arga-Aragón Rivers systems by combining measures

Author: Natural Water Retention Measures (NWRM) (2013)
Geography: Outside U.S.
Level of Detail: Case study, Economic valuation

Availability: Publicly Available

Water Management Strategies: Floodplain connectivity and rehabilitation, Land Management, Riparian buffers, Stream protection and restoration, Wetland protection and restoration

Specific Benefits or Trade-offs: Flooding, Habitat and biodiversity, Land and environment, Local economy, Peak flood volume, Total flood volume

Case Study: Fluvial and ecosystem restoration of the Arga-Aragon Rivers systems by combining measures details the process and implementation of watershed restoration along the Arga-Aragon Rivers systems with the goal of reducing flood impacts and restoring habitat functions. The report provides measures involving wetlands, floodplains, re-meandering, riverbeds, revitalization of flowing water, natural bank stabilization, elimination of riverbank protection, and riparian buffers. The costs of the project, including the amount of money required to reimburse farmers for lost land are included.

National Management Measures to Protect and Restore Wetlands and Riparian Areas for the Abatement of Nonpoint Source Pollution

Author: U.S. EPA (2005)
Geography: U.S.
Level of Detail: Decision support tool, Qualitative description

Availability: Publicly Available

Water Management Strategies: Floodplain connectivity and rehabilitation, Land Management, Riparian buffers, Stream protection and restoration, Wetland protection and restoration

Specific Benefits or Trade-offs: Ambient water quality, Flooding, Habitat and biodiversity, In stream flows, Land and environment, Local economy, Peak flood volume, People and Community, Supply augmentation, Total flood volume, Water quality, Water Supply

National Management Measures to Protect and Restore Wetlands and Riparian Areas for the Abatement of Nonpoint Source Pollution is a guidance document that is targeted at state level employees seeking management options for non-point source (NPS) pollution. The report provides guidance on reducing NPS pollution through wetland and riparian area restoration and protection and vegetated treatment systems. The report also includes further resources for NPS pollution management practices as well as relevant case studies organized by territory, state, and tribe.

Evaluating Ecological Restoration Success: A Review of the Literature

Author: Wortley, Hero, & Howes, (2013)
Geography: Global
Level of Detail: Qualitative description

Availability: Publicly Available

Water Management Strategies: Land Management, Reforestation and forest conservation, Riparian buffers

Specific Benefits or Trade-offs: Carbon sequestration, Community resilience, Educational opportunity, Habitat and biodiversity, Health and safety, Land and environment, Local economy, People and Community, Resource recovery, Soil health

Evaluating Ecological Restoration Success: A Review of the Literature synthesizes past trends in restoration project evaluations and identified major knowledge gaps. The review analyzes approximately 300 ecological restoration project evaluations that include measurements for impacts on the economy, society, and environment. The sources are organized by publication details, restoration project characteristics, and evaluation/monitoring methodology.

Green Infrastructure Guide for Water Management

Author: United Nations Environment Programme (UNEP), UNEP-DHI Partnership, International Union for Conservation of Nature (IUCN), The Nature Conservancy, World Resources Institute (2014)
Geography: U.S.
Level of Detail: Decision support tool, Economic valuation

Availability: Publicly Available

Water Management Strategies: Centralized Stormwater Infrastructure, Constructed stormwater wetlands, Distributed Stormwater Infrastructure, Flood Control, Floodplain connectivity and rehabilitation, Infiltration or filtration, Land Management, Living shorelines, Low impact landscaping, Reforestation and forest conservation, Riparian buffers, Runoff conveyance, Runoff storage, Wetland protection and restoration

Specific Benefits or Trade-offs: Aesthetics, Air quality, Ambient water quality, Carbon sequestration, Extreme events, Flooding, Habitat and biodiversity, Local economy, Recreation, Risk and Resilience, Supply augmentation, Urban heat island, Water quality, Water Supply

Green Infrastructure: Guide for Water Management examines case studies of green infrastructure projects throughout the United States. The report argues that a lack of awareness of the solutions and additional cost benefits that green infrastructure projects can provide is the major barrier to implementation of green infrastructure solutions. The case studies include green infrastructure projects such as green roofs, permeable pavement, levee setbacks, wetland conservation and construction, reforestation and afforestation, and flood bypasses and coastal protection. The case studies cite benefits from the ecosystem service categories (i.e., provisioning services, regulating services, cultural services, habitat or supporting services), providing a qualitative discussion of primary benefits and co-benefits for each case study.

Global Review of Physical and Biological Effectiveness of Stream Habitat Rehabilitation

Author: Roni, Hanson, & Beechie, (2008)
Geography: Global
Level of Detail: Qualitative description

Availability: Paywall

Water Management Strategies: Dam removals, Floodplain connectivity and rehabilitation, Land Management, Riparian buffers, Sediment addition, Stream protection and restoration

Specific Benefits or Trade-offs: Ambient water quality, Habitat and biodiversity, Land and environment, Water quality

Global Review of Physical and Biological Effectiveness of Stream Habitat Rehabilitation is a literature review that assesses 345 studies of inland freshwater habitat restoration projects throughout the world. The case studies include projects such as road improvements, riparian restoration, floodplain connectivity restoration, instream habitat improvement, and nutrient addition, as well as many more. For each case study, an analysis was conducted on the techniques used, project outcomes, and overall effectiveness in improving habitat and water quality, and increasing fish production. The report concludes that reconnection of isolated habitats, instream habitat improvement, and floodplain restoration have been proven to be effective in improving habitats and increasing fish production.

Assessing the Return on Investment in Watershed Conservation: Best Practices Approach and Case Study for the Rio Camboriú PWS Program, Santa Catarina, Brazil

Author: Kroeger et al., The Nature Conservancy (2017)
Geography: Outside U.S.
Level of Detail: Case study, Economic valuation

Availability: Publicly Available

Water Management Strategies: Land Management, Reforestation and forest conservation, Riparian buffers

Specific Benefits or Trade-offs: Ambient water quality, Drinking water quality, Habitat and biodiversity, Land and environment, Risk and Resilience, Supply augmentation, Water quality, Water Supply, Water supply reliability

Assessing the Return on Investment in Watershed Conservation applies a return on investment (ROI) framework to a watershed conservation project in Santa Catarina, Brazil. The framework involves quantification of the relationships between 1) intervention, 2) ecosystem structure, 3) ecosystem function, 4) ecosystem service, 5) benefit, and 6) values and program cost. The report illustrates that restoring source watersheds is a cost-effective way to reduce drinking water treatment costs, improve water supply resilience, and protect biodiversity. The ecosystem services quantified in the study include sediment concentrations at water treatment intake, which when reduced can lead to avoided peak season water loss, avoided use of chemicals, avoided dry sludge landfilling, and avoided pumping. The report also includes costs for landowner engagement and interventions, as well as land rentals.

Quantifying Watershed Restoration Benefits in Community Water Partnership Projects

Author: LimnoTech, Global Environment & Technology Foundation (GETF) (2015)
Geography: Global
Level of Detail: Decision support tool, Quantitative benefits

Availability: Publicly Available

Water Management Strategies: Agricultural land management, Delivery system efficiency, Floodplain connectivity and rehabilitation, Land Management, On site nonpotable reuse, Reforestation and forest conservation, Riparian buffers, Stream protection and restoration, Urban and industrial nonpotable reuse, Water Conservation and Efficiency, Water Reuse, Wetland protection and restoration

Specific Benefits or Trade-offs: Ambient water quality, Carbon sequestration, Drinking water quality, Habitat and biodiversity, Land and environment, Supply augmentation, Water quality, Water Supply

Quantifying Watershed Restoration Benefits in Community Water Partnership Projects is a report that aims to quantify water-related benefits of Coca-Cola Company watershed protection, water for productive use, and water access projects. The report identifies nine categories of watershed restoration actions, including agricultural land practice changes, stormwater management, land use/land cover alterations, hydraulic/hydrologic waterbody alterations, recaptured leakage from water systems, wastewater treatment, biologic management, water reuse, and rainwater harvesting and aquifer recharge. The benefits quantified within this report include water quantity and water quality (i.e., sediment reduction), and the benefits not quantified include habitat improvement, biodiversity, and carbon sequestration.

Putting Green to Work: Economic Recovery Investments for Clean and Reliable Water

Author: American Rivers (2010)
Geography: U.S.
Level of Detail: Qualitative description

Availability: Publicly Available

Water Management Strategies: Centralized Stormwater Infrastructure, Centralized wastewater treatment, Delivery system efficiency, Distributed Stormwater Infrastructure, Flood Control, Infiltration or filtration, Land Management, On site nonpotable reuse, Retention basin, Riparian buffers, Runoff conveyance, Runoff storage, Storm drains and pipes, Stream protection and restoration, Urban indoor efficiency, Urban outdoor efficiency, Wastewater Treatment, Water Conservation and Efficiency, Water Reuse, Water Transfer, Wetland protection and restoration

Specific Benefits or Trade-offs: Aesthetics, Ambient water quality, Demand reduction, Drinking water quality, Energy, Flooding, Habitat and biodiversity, In stream flows, Land and environment, People and Community, Risk and Resilience, Supply augmentation, System resilience, Urban heat island, Water quality, Water Supply, Water supply reliability

Putting Green to Work: Economic Recovery Investments for Clean and Reliable Water categorizes “green” and “bright green” projects that provide multiple environmental and economic benefits, including improved water quality and quantity, reduced runoff and flooding, groundwater recharge, improved habitats, reduced energy use, and overall water supply reliability. The report focuses primarily on green infrastructure and demand management projects, as well as leveraging natural capital for water management, including examples from specific states and cities with a focus on funding projects. The report provides a qualitative discussion of the multiple benefits.

Beyond the Source: The environmental, economic and community benefits of source water protection

Author: Abell et al., The Nature Conservancy (2017)
Geography: Global
Level of Detail: Decision support tool, Quantitative benefits

Availability: Publicly Available

Specific Benefits or Trade-offs: Aesthetics, Agriculture, Air quality, Ambient water quality, Carbon sequestration, Community resilience, Extreme events, Habitat and biodiversity, Health and safety, Land and environment, People and Community, Resource recovery, Risk and Resilience, Soil health, System resilience, Water quality, Water supply reliability

Beyond the Source is an in-depth, global study conducted by the Nature Conservancy on source water protection projects. In the report these projects are described as “nature-based solutions” that can improve water quality and quantity. Projects include targeted land protection, revegetation, riparian restoration, agricultural best management practices, ranching best management practices, fire risk management, wetland restoration and creation, and road management. The report provides a qualitative framework as well as quantitative guidance for calculating the multiple benefits.

California Water Plan, Update 2009, Volume 2: Resource Management Strategies

Author: California Department of Water Resources (2009)
Geography: Western U.S.
Level of Detail: Decision support tool, Qualitative description

Availability: Publicly Available

Water Management Strategies: Agricultural efficiency, Agricultural land management, Brackish desalination, Centralized Stormwater Infrastructure, Centralized wastewater treatment, Delivery system efficiency, Desalination, Direct potable reuse, Drywells, Groundwater extraction, Groundwater Management, Groundwater recharge, Groundwater storage, Indirect potable reuse, Land Management, Recharge area protection, Reforestation and forest conservation, Riparian buffers, Seawater desalination, Spreading basins, Storm drains and pipes, Stream protection and restoration, Surface Water Storage, Urban indoor efficiency, Urban outdoor efficiency, Wastewater Treatment, Water Conservation and Efficiency, Water Reuse, Water Transfer, Wetland protection and restoration

Specific Benefits or Trade-offs: Demand reduction, Extreme events, Flooding, Habitat and biodiversity, Land and environment, People and Community, Recreation, Risk and Resilience, Supply augmentation, System resilience, Water quality, Water Supply, Water supply reliability

The California Water Plan presents a guide on water management strategies that can provide multiple benefits both regionally and statewide in California. The management strategies are organized by goals, such as reducing water demand, improving operational efficiency, or improving water quality, and the benefits are categorized under water supply, drought preparedness, water quality, operational flexibility, flood impacts, environmental benefits, energy benefits, recreation, and groundwater overdraft risk. The report also includes guidance on the quantitative analysis of multiple benefits for policymakers and water resource managers.