Combining Economic and Ecological Indicators to Prioritize Salt Marsh Restoration Actions Marisa&Mazzo)a& Presented&at&Waquoit&Bay&Saltmarsh&Symposium& January&24,&2013 & & NSF/EPA(STAR(Grant(study( Marisa(Mazzo8a,(Jim(Opaluch,(Rob(Johnston,(Gisele(Magnusson,(( Frank(Golet,(Pete(August,(University(of(Rhode(Island ( & Prioritizing salt marsh restoration QuesAon:&How&should&we&spend&limited& restoraAon&budgets&to&maximize&ecosystem& services&and&benefits?& & & photo:&Save&the&Bay& 2"
What do we need to know? 1. How&do&restoraAon&acAons& change&wetland&services?& 2. How&do&changes&in&services& Photo:&Save&the&Bay,&RI& affect&people’s&values?& Photo:&&John&Repoza& 3" Question 1: How do restoration actions change wetland services? Specific&RestoraAon&AcAons&–&remove& Adal&restricAons,&change&elevaAons,& change&vegetaAon,&add&buffers& Δ Marsh&CondiAon:&Tidal&flow,& vegetaAon,&marsh&size,&salinity,&water& depth,&etc.& Δ &Bird&and&fish&habitat&quality:&fish& passage&and&spawning,&bird&nesAng&and& foraging,&food&sources,&shellfish&beds,& etc.& Photos&from&Save&the&Bay,&RI& 4"
Expert survey objective EsAmate&ecological&producAon&funcAon&& habitat&quality& species& =&f(site&and&loca5on&features)& & &using&readily&available&data& & & & 5" Expert survey 6"
Question 2: How do changes in services affect people’s values? Δ &Bird&and&fish&habitat&quality:&fish& passage&and&spawning,&bird&nesAng&and& foraging,&food&sources,&shellfish&beds,& etc.& Δ PopulaAons&of&birds&and&fish& Δ Catch&rates,&viewing&opportuniAes,& and&nonuse&services&& Δ &Social&Benefits&from&fishing,&bird& watching,&and&nonuse&values& 7" Public survey 1.##O N#THIS#PAGE,#CO MPARE#RESTO RATIO N#PLANS#1#AND#2#AND#VO TE# BELO W#FO R#THE#PLAN#YO U#PREFER: X Check#one#box: ! ! ! ! ! ! I"choose" I"choose" I"choose" I"choose" I"choose" I"choose" NEITHER"PLAN NEITHER"PLAN RESTO RATIO N"PLAN"1 RESTO RATIO N"PLAN"1 RESTO RATIO N"PLAN"2 RESTO RATIO N"PLAN"2 ($0"per"year) ($0"per"year) ($ 20"per"year) ($ 20"per"year) ($ 20"per"year) ($ 20"per"year) Restoration"Plan"# 1 Restoration"Plan"# 2 Improvement:"gains"from"restoration* Improvement:"gains"from"restoration* (0= no"improvement,"10= highest): (0= no"improvement,"10= highest): Ecological#Improvement#to#RI# Ecological#Improvement#to#RI# 1 Bird" Populations* Bird" Populations* 1 Ecological#Improvement#to#RI# Ecological#Improvement#to#RI# 2 2 Fish" Populations* Fish" Populations* Ecological#Improvement#to#RI# Ecological#Improvement#to#RI# 2 4 Shellfish" Populations* Shellfish" Populations* Potential#to#Control# Mosquito" Potential#to#Control# Mosquito" 7 Nuisance* Nuisance* 2 Viewing#platforms no#access Access#for# Recreation &#no#trails Size" of#Salt#Marsh 3#Acres 9#Acres $ $20#PER#YEAR#IN $20#PER#YEAR#IN Annual# Cost" of#the#Plan#to Annual# Cost" of#the#Plan#to HIGHER#STATE HIGHER#STATE YO UR#HO USEHO LD YO UR#HO USEHO LD TAXES TAXES *#As#judged#by#wetland#experts,#compared#to#all#other#potential#salt#marsh# *#As#judged#by#wetland#experts,#compared#to#all#other#potential#salt#marsh# restoration#projects#in#Rhode#Island. restoration#projects#in#Rhode#Island. 8"
Combining expert and public survey results to evaluate restoration projects Restora2on"Site"1" Restora2on"Site"2" widen&Adal&inlet;&restore&creeks;&remove&dredge& create&new&connector&channel&to&exisAng&Adal& spoils;&restore&vegetaAon& channel& Habitat"Index:" Before" A@er" Habitat"Index:" Before" A@er" Birds& 2.1& 3.1& Birds& 2.7& 3.1& Fish& 2.0& 3.1& Fish& 1.6& 2.8& Shellfish& 2.5& 2.9& Shellfish& 2.3& 2.8& Change"in"Value"Index" 1.4" Change"in"Value"Index" 0.75" 9" 9& Photos(from(Save(the(Bay,(RI( Ways to use this type of model EsAmate&greatest&social&benefit&from&a& restoraAon&budget&(economists’& preferred&approach)& & JusAfy&funding&for& • selected&sites& • Return&on&investment& Discoursecbased& • decisions& (real&world&approaches)& & & 10"
Thank you! mazzo)a.marisa@epa.gov& 11"
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