Abbott, Alex

O\u27Hanley, Jesse R.

Wright, Jed

English

ScholarWorks@UMass Amherst

University of Massachusetts AmherstScholarWorks@UMass AmherstInternational Conference on Engineering andEcohydrology for Fish PassageInternational Conference on Engineering andEcohydrology for Fish Passage 2016Jun 20th, 3:30 PM - 3:45 PMLandscape Approaches: Making Sense of 17,000StructuresJed WrightGulf of Maine Coastal ProgramAlex AbbottGulf of Maine Coastal ProgramJesse R. O'HanleyUniversity of KentFollow this and additional works at: https://scholarworks.umass.edu/fishpassage_conferenceThis Event is brought to you for free and open access by the Fish Passage Community at UMass Amherst at ScholarWorks@UMass Amherst. It hasbeen accepted for inclusion in International Conference on Engineering and Ecohydrology for Fish Passage by an authorized administrator ofScholarWorks@UMass Amherst. For more information, please contact scholarworks@library.umass.edu.Wright, Jed; Abbott, Alex; and O'Hanley, Jesse R., "Landscape Approaches: Making Sense of 17,000 Structures" (2016). InternationalConference on Engineering and Ecohydrology for Fish Passage. 12.https://scholarworks.umass.edu/fishpassage_conference/2016/June20/12Jed Wright1, Alex Abbott1, Jesse O’Hanley21Gulf of Maine Coastal Program USFWS22University of KentMaking Sense of 17,000 StructuresFish Passage 2016Stream Barriers: DamsWhat to do?OutlineTool 1 – Habitat and barrier data sharingTool 2 – Scoring and rankingTool 3 – Optimization with OptiPassMaine Stream Habitat ViewerTool 1• Access to habitat data• Access to crossing & dam data• Access for the public and professionalsUSFWSTom SeymourThe Viewer Displays Key Habitats…M.GallagherTool 1 …and Known BarriersTool 1 – Making information easily accessible• Commonly used approach• Biologists, restoration staff, landowners, public works staff can brainstorm approaches• Usually easy enough to figure out the initial set of barriers to repair/remove for small number of barriers Informal methods:• Static• Lack rigour – Often very subjective – no framework– Difficult to compare options– Unmanageable at large spatial scales– Looking at multiple watersheds simultaneously is generally too difficult• Don’t get at the problem of how to allocate funds efficientlyScoring and RankingTool 2Scoring and RankingTool 2Scoring and RankingTool 2Scoring and RankingTool 2Scoring and RankingTool 2Scoring and RankingScoring and RankingTool 2Scoring and RankingTool 2Scoring and RankingTool 2Scoring and ranking:• Widely accessible tools (spreadsheets, etc.)• Output readily understandable and provides summary information for funding opportunities• Simple scenario planning and comparisons possibleScoring and ranking:• Output is a list• Tends to focus on large-individual targets (difficult to assess cumulative impact of smaller barriers)• Usually ignores the spatial structure of barrier networks (i.e. downstream barriers)• Can model removal impacts on rankings across  only a fairly small set of barriersBarrier optimization in actionFBDA0.50.400.30.10.2CE$70K4.3 km$120K0.9 km$250K2.1 kmNA1.7 km$50K0.5 km$100K0.3 kmBudget Soln Gain$50K F 0.090$100K E 0.192$150K B 0.876$200K B, C 2.080$300K B, C, E 2.272$400K A, B 4.047Barriers removed given a certain budget amount may not be removed when the budget is increased***Tool 3Optimization Data Inputs:• Barrier ID• Watershed/Area• Immediate downstream barrier ID• Net upstream habitat (up to the next set of barriers or the limits of river network)• Current barrier passability• Number of mitigation projects that can be carried out (normally 0 for natural barriers)• Cost to repair/remove/mitigate a barrier• Barrier passability following mitigationTool 3Atlantic Salmon Habitat TargetPortfolio Cost:  $2 millionTool 3Atlantic Salmon Habitat TargetPortfolio Cost:  $4 millionTool 3Atlantic Salmon Habitat TargetPortfolio Cost:  $6 millionTool 3Atlantic Salmon Habitat TargetPortfolio Cost:  $8 millionTool 3Atlantic Salmon Habitat TargetPortfolio Cost:  $10 millionTool 3Atlantic Salmon Habitat Target: 30,000 units anywhere in drainagePortfolio Cost:  $12 millionTool 3Tool 3Letcher (2016)Atlantic Salmon Habitat Target: 30,000 units anywhere in drainagePortfolio Cost:  $12 millionTool 3Atlantic Salmon Habitat Target: 30,000 units with resiliencePortfolio Cost:  $66 millionTool 3Alewife Target:  Penobscot Habitat Blueprint Aquatic Barrier Prioritization ToolPortfolio:  212 structuresTool 3Alewife Optimization Target: 90% of pond habitat in drainagePortfolio:  38 structures $10 millionTool 3Optimization:• Rapidly identifies cost-efficient strategies to maximize the amount of accessible habitat above barriers• Can use multiple targets and multiple removal/replacement/repair options• Allows for watershed scale scenario planningOptimization:• Requires expertise – limits user base for approach• Current tools best suited to diadromous species (resident species models are computationally intensive)• Practical applications limited– Cost data difficult to acquire for large number of barriers – Passability hard to determine for large number of barriers– Budget required for implementing scenarios is rarely available• Favorable conditions determine much of what we implement (e.g ”opportunities”)MethodEasily accessible toolLarge number of barriersacross large scalesIncorporatesspatial networkcomponentGoal setting& scenario planningResident fishData Viewer     Scoring & Ranking     Optimization  +   ComparisonAll methods useful for “strategic opportunism”How do we move to more well articulated management scenarios and strategies?Thanks to all our partners for their commitment to improving aquatic organism passage

Landscape Approaches: Making Sense of 17,000 Structures

O'Hanley, Jesse R.

https://scholarworks.umass.edu/cgi/viewcontent.cgi?article=2084&context=fishpassage_conference

Landscape Approaches: Making Sense of 17,000 Structures

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