2018 Abstract Volume

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System-wide tools for managing water and ecosystems Presenting Author: Co-Authors: Ms. Marisa Escobar, Stockholm Environment Institute, US Center Davis, California, United States Ms. Manon von Kaenel, Stockholm Environment Institute, United States Ms. Laura Forni, Stockholm Environment Institute, United States Mr. David Purkey, Stockholm Environment Institute, United States Keywords Ecosystems, fish, hydrology, operations, modeling Highlights Responding to declines in aquatic habitat availability and species viability, water managers need tools to consider ecosystem needs. Working in California rivers, SEI developed and deployed a generic simulation platform to evaluate options in terms for habitat supply potential and its capacity to meet other more water supply objectives. Introduction and objectives Water managers chiefly consider human development objectives paramount, including urban, industrial, energy and agricultural water demand satisfaction. A crucial element is often missing: ecosystems. Policymakers, recognizing the impacts of water development on aquatic ecosystems, are asking water managers to identify the best water management strategies to maintain species’ habitats in rivers where the watershed is highly intervened through infrastructure development, land use change, and urbanization. New tools are required to respond to this imperative. We present an approach that gives ecosystems a seat at the table, providing water managers the information needed to weigh trade-offs that include ecosystem needs. Methodology approach A complete understanding amongst water managers of how operations connect to aquatic ecosystem health is lacking. This gap is particularly important in urban settings where the design and operation of the infrastructure targets human needs. Working in water systems in California, this paper presents a simulation modeling platform that integrates hydro-ecological processes within an water operations model developed by a water district, with which the district evaluated the implications of various management scenarios on both water supply and fish species viability. Analysis and results This work focused on building and piloting a new tool that streamlines the inclusion of ecosystem needs in water planning. In the process of identifying the right tool, a team of scientists and practitioners came up with an innovative solution by incorporating different sources of data into a single platform. The model, originally constructed with the WEAP (Water Evaluation and Planning) system to inform water allocation and planning, was adapted to generate a complete aquatic habitat assessment at ecologically relevant points and creek reaches. This habitat analysis models daily hydraulic, substrate, and temperature conditions, weighs habitat conditions against life-stage suitability curves and thresholds, and composites the suitability of each criteria to answer questions like: how many acres of suitable habitat are available for spawning salmonids at any given moment? How frequently can juveniles successfully out migrate? How many cohorts of embryos will survive to hatching? What is the most upstream passage extent of migrating salmon? The model was linked to visualization tools that show that changes in reservoir releases can affect fish habitat for each lifestage. These visualizations were designed to help water managers and stakeholders evaluate potential modifications to existing reservoir operating rules. Seminar: Ecosystem based water management: From innovation to practice 80
Conclusions and recommendation The existence of habitat analysis within a water management model has the potential to simulate complex operations and competing allocations so water managers can explore the tradeoffs between water supply goals like municipal demand coverage or groundwater recharge and ecological goals like adequate habitat for anadromous fish. Working with local partners to identify the key ecosystem challenges, gather data, and generate estimates of available habitat is crucial to identify options to safeguard ecosystems. The presentation will focus on presenting the tool integration and recommendations for its applicability in a wide variety of settings. Seminar: Ecosystem based water management: From innovation to practice 81
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ABSTRACT VOLUME Photo: iStock World
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Seminar: Tapping into collective wi
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An alternative gender analytical ap
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Circular economy practices for exot
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Gendered approach in capitalising o
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‘Green Lady of Bihar’ and susta
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Human rights to water and sanitatio
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Integrating indigenous and scientif
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Monitoring SDGs 6, 5 and 14 through
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What gets measured (by women), gets
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Women, SDGs and climate related ada
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Seminar: IWRM and ecosystem based a
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Assessing the effectiveness of wate
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Assessing the interconnectedness of
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Page 95 and 96: Leveraging artificial intelligence
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Conclusions and recommendation •
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Natural and built infrastructure ca
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Promoting pathways to guide investm
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Smart web-based IT solution for pla
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Tracking sustainable infrastructure
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Water for the city: ‘Greening’
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Seminar: Is there such thing as inn
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Adaptive PES: Financing sustainable
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Economic and financial instruments
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Establishing a trans-provincial eco
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Financial sustainability of watersh
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How to upscale financing for ecosys
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miParamo, environmental financing m
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Strengthening enabling conditions f
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Seminar: Investing in freshwater ec
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Balancing built and natural infrast
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Conserving the Lake Tana ecosystem
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Integrating water and energy bills
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Investing in aquatic ecosystems and
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Investing in free-flowing rivers: A
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Making freshwater biodiversity in t
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Private sector engagement with supp
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Understanding freshwater biodiversi
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Water community providers, ecosyste
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Wetworking: A participatory network
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Willingness to accept: Enticing lan
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Seminar: Ecosystems in an urbanisin
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Conclusions and recommendation For
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Conclusions and recommendation Wate
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Integrated approach for blue/green
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Integrating green infrastructure in
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Integrating land use and water mana
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Is really ecosystem development han
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Let nature do the work in the Stock
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Conclusions and recommendation The
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Conclusions and recommendation Our
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The ecosystem in Gaza Strip between
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2018 Abstract Volume

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