Natures Benefits: Getting more for restoration dollars Anne Guerry, - - PowerPoint PPT Presentation

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Natures Benefits: Getting more for restoration dollars Anne Guerry, - - PowerPoint PPT Presentation

Jun 06, 2023 364 likes •802 views

Natures Benefits: Getting more for restoration dollars Anne Guerry, Lead Scientist If we were running a business with the biosphere as our major asset, we would not allow it to depreciate. We would ensure that all necessary repairs and

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Nature’s Benefits: Getting more for restoration dollars

Anne Guerry, Lead Scientist

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“If we were running a business with the biosphere as our major asset, we would not allow it to depreciate. We would ensure that all necessary repairs and maintenance were carried out on a regular basis.”

  • Alan Malcolm
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Natural Capital Built Capital Financial Capital Human Capital Social Capital

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Developing science in support of decisions

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  • 1. Oceans and coasts provide many diverse benefits to

people

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  • 2. Degraded systems provide fewer benefits

Photo: VIMS

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  • 3. Restoration can bring back lost benefits

Summary of 89 restoration assessments:

  • Restoration increased

biodiversity by 44%

  • Restoration increased

ecosystem services by 25%

Rey Benayas 2009

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  • 4. We can value nature’s benefits
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Harvested Biomass Landed Biomass Visitation Rates Avoided Area Flooded/Erod ed Energy Captured Recreation Fisheries Aquaculture Coastal Protection Renewable Energy

ECOSYSTEM SERVICES

Model Outputs (ecosystem services & values) Marine InVEST Models

VALUATION

Aesthetic Quality Carbon Carbon Sequestered

2 6 1 8 9 3 7 4 5

Value of carbon sequestered Value of captured wave energy Expenditures due to recreation activity Net present value of finfish and shellfish Value of avoided damages/# people affected Habitat Risk Water Quality

e.g. Guerry et al 2012

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Where do habitats reduce the vulnerability of coastal communities to sea level rise?

Population metrics

  • total population
  • elderly population
  • population below poverty line

National Climate Assessment

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Arkema et al in prep

Action: restore 10 ha of Scenario: major

For every $1 spent in restoration, get $1.83 back

seagrass hurricane

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  • 5. Restoration is expensive

TEEB 2009

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Arkema et al in prep

Action: restore 10 ha of Scenario: major

For every $1 spent in restoration, get $1.83 back

seagrass hurricane

For every $1 spent in conservation, get $833 back

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Bullock et al 2011 (from Blignaut et al. 2010)

  • 6. Economic benefits of restoration across sectors can
  • utweigh costs
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habitat value ($) of reefs > oyster harvest value ($)

Peterson et al 2003

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Oyster Reefs at Risk

85% loss of oyster reef ecosystems in bays and ecoregions; mangrove and saltmarsh (~50%) and coral reef (~20%) Beck et al BioScience 2011

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Oyster harvest Habitat for commercially important finfish Protection of the shoreline from coastal hazards Water quality

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Rebuild Reef Natural Capital

long-term sustainable harvests of oysters increased resilience to storms full spectrum of benefits

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The American Recovery and Reinvestment Act and NOAA helped TNC build oyster reefs and create marshes in Mobile Bay

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  • Used habitat suitability in

design

  • Poised to put shells in the

water

  • Expected shoreline

protection benefits

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Practical guidance for design & Expected shoreline change

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Smart use of science helped get more for the restoration $

Mechanistic modeling of coastal processes avoided unintended consequences

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Full Time Employees FTE at Height of the Project: 31 FTE = 83 positions Average FTE for the Project (20 months): 17 FTE = 44 positions

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ARRA job creation

$1M in coastal restoration 17-30 jobs Over 2x the job creation of oil, gas & transportation sectors combined

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$3 billion

Appetite for restoration

$680 million

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  • Restoration provides diverse

benefits

  • Smart restoration projects

maximize diverse benefits

  • A focus on nature’s benefits can

shift incentives & help redirect existing funds

  • Rebuild capital. Don’t keep

spending what’s left of the principal

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Gulf of Mexico Restoration Decision Support

A project to inform the identification of restoration projects with maximum socio-economic and ecological benefits

www.Gulfmex.CoastalResilience.org

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InVEST

Its free! and open source! anne.guerry@standford.edu www.naturalcapitalproject.org

Accounting for nature’s benefits

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Model Results