american samoa - University of Hawaii at Manoa Botany Department

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Long-Term Monitoring and Site Maintenance RequirementsLong-term resource management activities associated with the enhancement and restoration ofthe Fusi wetland should include the seasonal monitoring of selected resource characteristics andperiodic site maintenance.Resource MonitoringThe process of resource monitoring will involve completion of the following steps by ASEPA,ASCMP, or other ASG agency staff:• Prepare a field map of restoration and enhancement site from available digital files inthe American Samoa GIS.• Go to the restoration and enhancement site and collect information summarized on fieldmonitoring worksheet.• Upon return to office from the field, incorporate new spatial data, topographic features,and resource conditions within the American Samoa GIS as points, lines, or polygons.• When desired, expand attribute tables for points, lines and polygons to enhance thedescription of resource characteristics and changes.• Make an annual evaluation of selected resource conditions that analyzes theeffectiveness of the overall restoration and enhancement project.Long term monitoring of the Fusi wetland restoration and enhancement project will requireperiodic examinations of, at least, the following:• the presence of surface or groundwater flow;• survival of planted, wetland vegetation;• changes in land uses immediately adjacent to the wetland; and,• point-source discharges, e.g., wastewater from piggeries.The types of information needed, monitoring frequency, monitoring locations, and evaluationparameters are summarized in Table 11-5. A field work sheet or checklist, which can be usedin the field, is provided in Table 11-6.Future resource monitoring can be effectively performed through bi-annual site visits to theFusi wetland. This approach will enable comparisons during wet (December through March)and dry (April through November) seasons of the year. Additional visits should also take placeduring and/or following significant stormwater events that may be generated from periods ofsignificant rainfall.The availability of the American Samoa geographical information system enables theincorporation of most all resource monitoring information within the GIS. Field data can besummarized in attribute tables or databases. Digital photos can be linked to digital maps of therestoration site.Vehicular and pedestrian access to the wetland is largely dependent upon the cooperation andauthorization of local residents in Fusi. If access is granted, the entire wetland should bemonitored via walk-through surveys.American Samoa Wetlands/Streams Restoration and Enhancement PlanFebruary 2001, Fusi Wetland, Page 11-11
TABLE 11-6FIELD MONITORING WORKSHEETAMERICAN SAMOA WETLAND RESTORATION AND ENHANCEMENT PLANFUSI WETLANDDate(s) of field monitoring:_______________Agency/Company Represented:Name(s) of observer(s):Fusi Wetland(Circle "yes" or "no".)STREAM AND WETLAND HYDROLOGY1 Is there evidence of a fresh water spring discharge? Yes No2 Are surface flows entering the wetland? Yes NoSURVIVAL OF NEW WETLAND PLANTS3 Count number of surviving new coastal marsh plants.CHANGES IN LAND USE4 a Document type and number of new land uses within 100 feet of the wetland perimeter.Number of facilities:Briefly describe each new facility:ResidentialCommercialIndustrialPublic FacilityCommunity FacilityAgriculturalb Map location of new land uses on field map. ___ Check, when field map is so marked5 a Do any existing land uses, within 100 feet of the wetland perimeter, appear to havesustained damage from past or recent stormwater events? Yes Nob If so, where? (Locate on field map.) ___ Check, when field map is so markedNON-POINT DISCHARGES INTO WETLAND6 Type of discharges: Briefly describe type of discharge:PiggeryStormwaterCesspoolIndustrialCommercial7 Locate discharge on field map ___ Check, when field map is so marked
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Asili StreamAMERICAN SAMOAWETLAND/S
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American SamoaWetland/Stream Restor
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American Samoa Wetland/Stream Resto
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Figure 1-1Location of Potential Wet
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Onsite InvestigationsNovember 1999G
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Where appropriate, stream cross sec
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Chapter TwoTULA WETLANDLOCATIONTula
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Figure 2-2Tula WetlandExisting Cond
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Improved channelization of stormwat
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LAND USES IN THE VICINITY OF TULA W
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Figure 2-3Option 2: Detention of St
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Figure 2-4Option 3: Expansion of Ta
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Comparative Benefits and ImpactsPPC
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TABLE 2-4PRELIMINARY COST ESTIMATEP
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TABLE 2-5LONG-TERM RESOURCE MONITOR
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TABLE 2-6 (CONTINUED)FIELD MONITORI
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Chapter ThreeALAO WETLANDLOCATIONAl
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Figure 3-2Taufusi MarchExisting Con
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Figure 3-3FEMA 100-Year Flood Plain
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East Portion of the MarshThe impact
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WETLAND RESTORATION AND ENHANCEMENT
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The availability of new, blight-res
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Long-Term Monitoring and Site Maint
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TABLE 3-7FIELD MONITORING WORKSHEET
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Recommended monitoring stations or
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Figure 4-1Location MapAoa Village W
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No stream flow estimates are availa
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Fresh-Water SwampThe fresh-water sw
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ecome dominant if there is a nearby
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Relative Abundance and Diversity of
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Option 4: Restore Mangrove Forest U
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TABLE 4-5COMPARATIVE EVALUATIONWETL
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Long-term resource management activ
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• begin at the Tapua Stream mouth
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Figure 5-1Location MapSoutheast Wet
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Tufu Stream and two stream branches
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Mr. Whistler was part of a three-pe
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InvertebratesCrustacean densities w
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FIGURE 5-3OPTION 1: RESTORE RIPARIA
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TABLE 5-4COMPARATIVE EVALUATIONWETL
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Long term monitoring of the Vatia w
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More specific monitoring of stream
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Figure 6-1Location MapVaipito Strea
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Stream FlowsHistorical Stream Flows
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California grass (Brachiaria mutica
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FIGURE 6-3FISH AND INVERTEBRATE SUR
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Most of lower Vaipito Stream segmen
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Red mangrove should be planted with
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TABLE 6-7PRELIMINARY COST ESTIMATEC
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TABLE 6-10 (Continued)FIELD MONITOR
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Vehicular and pedestrian access to
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Figure 7-1Location MapLeele-Papa-Ta
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Stream flow, in some cases, is cons
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Stormwater Discharges and Related F
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AQUATIC FISH AND INVERTEBRATESGener
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Opportunities and StrategiesOption
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Figure 7-3Option 2: Reduction of Er
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TABLE 7-8PRELIMINARY COST ESTIMATEP
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TABLE 7-10 (Continued)FIELD MONITOR
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More specific monitoring of stream
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Figure 8-1Location MapSauino Stream
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Stream FlowsHistorical Stream Flows
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AQUATIC FISH AND INVERTEBRATESGener
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Figure 8-3Option 1: Construction of
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FIGURE 8-5OPTION 2: PLANT NATIVE RI
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Long-Term Monitoring and Site Maint
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Page 147 and 148: TABLE 8-8 (Continued)FIELD MONITORI
Page 149 and 150: LOCATIONChapter NineLEAFU STREAMLea
Page 151 and 152: Figure 9-2Leone Pala and 300-Foot L
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Page 155 and 156: Vegetation TrendsThe lower Leafu St
Page 157 and 158: LAND USES ADJACENT TOLOWER LEAFU ST
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Page 161 and 162: Figure 9-5:Stabilize East Stream Ba
Page 163 and 164: TABLE 9-7PRELIMINARY COST ESTIMATEP
Page 165 and 166: TABLE 9-8LONG-TERM RESOURCE MONITOR
Page 167 and 168: TABLE 9-9 (Continued)FIELD MONITORI
Page 169 and 170: Chapter TenASILI STREAMLOCATIONAsil
Page 171 and 172: Figure 10-2Asili Stream SegmentExis
Page 173 and 174: Stormwater Discharges and Related F
Page 175 and 176: Further downstream, the stream chan
Page 177 and 178: TABLE 10-4SUMMARY OF MACROFAUNAL OR
Page 179 and 180: American Samoa Wetlands/Streams Res
Page 181 and 182: CLEAN-UP OF LOWER ASILI STREAMLABOR
Page 183 and 184: TABLE 10-9LONG-TERM RESOURCE MONITO
Page 185 and 186: TABLE 10-10 (Continued)FIELD MONITO
Page 187 and 188: Vehicular and pedestrian access to
Page 189 and 190: Figure 11-1Location MapFusi Wetland
Page 191 and 192: WETLAND VEGETATIONNovember 1999 Sur
Page 193 and 194: The lack of stream flow entering th
Page 195 and 196: Figure 11-3Option 1: Remove Solid W
Page 197: Recommended Option and Estimated Pr
Page 201 and 202: Any future monitoring stations or s
Page 203 and 204: Project ManagerRepresentatives of a
Page 205 and 206: REFERENCESBiosystems Analysis, Inc.
Page 207 and 208: APPENDIX ASUMMARY OFPLANTSOBSERVED
Page 209 and 210: Species Family EnglishNameSamoanNam
Page 213: APPENDIX CSUMMARY OFAQUATIC MACROFA
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