© Scientific Certification Systems | 1CARBONSEQUESTRATIONINAGRO-ECOLOGICALSYSTEMSCarbonProject

CarbonProject

CarbonSequestrationinAgro-EcologicalSystems

© Scientific Certification Systems | 2CARBONSEQUESTRATIONINAGRO-ECOLOGICALSYSTEMSCarbonProject

ProjectPartners

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Marin Carbon Project 2008

Results:

• Increased Soil C sequestration for 7 years

• Increased forage productivity (40%-70%)

• Increased soil water holding capacity (25%).

© Scientific Certification Systems | 4CARBONSEQUESTRATIONINAGRO-ECOLOGICALSYSTEMSCarbonProject

ProjectGoalsandOverview

Potentialforatmosphericcarbonsequestrationinrangelandsoilsasaviableclimatemitigationandgreen-housegas(GHG)reductionmethodusingACRprotocol:

• Effectsofcompostapplicationongrazedgrasslands

• Carboncredits

• Economiccostsandbenefits

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ACRGrazedGrasslandProtocol

“ACRoverseestheregistrationandverificationofcarbonoffsetprojectsfollowingapprovedcarbonaccountingmethodologiesorprotocolsandissuesoffsetsonatransparentregistrysystem.Eachoffsetrepresentsthereductionorremovalfromtheatmosphereequivalenttoonemetrictonne ofcarbondioxide.TheoffsetsproductsarespecifictoACR'sdistinctoperationsintheCaliforniacompliancemarketandtheglobalvoluntarycarbonmarket.”

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Outcomes• Afullaccountingofcarboncycledynamics,carbonstorageand

associatedecologicalbenefitsprovidedbycompostadditiontorangelands.Potentialbenefitswillbeassessedinthecontextofpotentialpositiveandnegativeimpactstothenaturalenvironment

• Acompleteeconomiccostbenefitanalysisofprojectimplementation,includingassociatedecosystemservicesbenefits

• Facilitateknowledgetransfer/lessonslearnedtoabroadaudienceincludinglocalproducers,regionaldecisionmakers,stateandfederalagencies,andelectedofficials.

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PracticeAverageAnnual

CO2eSequestration

20yrCO2eSequestration

CO2eSequestrationatMaturity

RangelandCompost

638Mg

98,847Mg

162,619Mg(30years)

CroplandCompost(590)

2,060Mg. 23,200Mg43,374Mgat5%SOM

Shelterbelts(380)

98Mg

1,960Mg

7,840-19,260Mgat80years.

Hedgerows(422)

6Mg

120Mg

120Mg

PrescribedGrazing(528)

1,460Mg 29,200 29,200

RiparianRestoration

410to1,725Mg6,144-25,867Mgat15years

18,431-77,613Mgat45years.

NoTill(329) 39Mg 780Mg 780Mg

Minimum-Tillage(345)

100Mg 2,000Mg 2,000Mg

Silvopasture

(381)660Mg 13,200Mg 214,000Mg

NutrientManagement

(590)610Mg 12,200Mg 48,800

Totals 6,081-7,396Mg187,651-207,374Mg

527,164-597,766Mg

Context: Carbon Farm Plan

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Compost

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