american samoa - University of Hawaii at Manoa Botany Department

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Recommended Option and Estimated Project CostThe cleaning of the 1,200-foot segment of Papa Stream and the planting of additional riparianvegetation (Option 1) is recommended for implementation. This wetland restoration project isrecommended because the project can enhance wetland vegetation, as well as fish andinvertebrate habitat.The costs associated with this project would primarily be associated with the initial clearing,removal and disposal of solid waste material from the lower reach of Papa Stream. Thesubsequent collection and planting of ifi, fau, laufala, and falaga tree cuttings would be carriedout by the ASCC Land Grant Program.The estimated cost associated with the initial clearing of the 1,200-foot segment of Papa wouldbe $3,626 (Table 7-7). The planting of native riparian trees would cost an estimated $3,348(Table 7-8). Consequently, the total project is expected to cost approximately $6,974.TABLE 7-7PRELIMINARY COST ESTIMATECLEARING OF LOWER PAPA STREAM MOUTHLABORPersonnel Number Hours Hourly Rate ($) Cost ($)Supervisor 1 40 15 600Heavy Equip. Operator 1 40 13 520Laborer 4 40 6 960All Personnel 6 240 $2,080MATERIALSItem Quantity Unit Cost ($) Cost ($)Picks 3 15 45Sledge Hammers 3 25 75Shovel 3 22 66Weed-eaters 3 300 900Machetes 3 20 60Garbage Bags 50 boxes 5 250Wheel Barrows 3 50 150All Materials $1,546TOTAL LABOR AND MATERIALS $3,626Notes: Preliminary estimate assumes use of existing equipment owned by the ASG Department of Pubic WorksSource: Pedersen Planning Consultants, 2000American Samoa Wetland/Stream Restoration and Enhancement PlanFebruary 2001, Papa Stream, Page 7-13
TABLE 7-8PRELIMINARY COST ESTIMATEPROPAGATION AND PLANTING OF NATIVE RIPARIAN TREESLOWER PAPA STREAMLABORPersonnel Number Hours Hourly Rate ($) Cost ($)ASCC Plant Nursery Technician 1 104 10 1,040ASCC Field Crew Leader 1 24 8 192ASCC Field Crew Members 2 24 6 288All Personnel 4 176 $1,520MATERIALSItem Quantity Unit Cost ($) Cost ($)Native Riparian Trees 300 3 900Garbage Bags 40 boxes 5 200All Materials $1,100EQUIPMENTShovels 3 22 66Machetes 3 20 60Picks 3 15 45Wheel Barrows 2 50 100Weed-eater 1 300 300All Equipment $571TOTAL LABOR AND MATERIALS $3,191Notes: Preliminary estimate assumes use of existing equipment owned by the ASG Department of Public WorksSource: Pedersen Planning Consultants, 2000Long-Term Monitoring and Site Maintenance RequirementsLong-term resource management activities associated with the restoration of the lower reach ofPapa Stream 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.American Samoa Wetland/Stream Restoration and Enhancement PlanFebruary 2001, Papa Stream, Page 7-14
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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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TABLE 4-9FIELD MONITORING WORKSHEET
Page 73 and 74: • begin at the Tapua Stream mouth
Page 75 and 76: Figure 5-1Location MapSoutheast Wet
Page 77 and 78: Tufu Stream and two stream branches
Page 79 and 80: Mr. Whistler was part of a three-pe
Page 81 and 82: InvertebratesCrustacean densities w
Page 83 and 84: FIGURE 5-3OPTION 1: RESTORE RIPARIA
Page 85 and 86: TABLE 5-4COMPARATIVE EVALUATIONWETL
Page 87 and 88: Long term monitoring of the Vatia w
Page 89 and 90: TABLE 5-8FIELD MONITORING WORKSHEET
Page 91 and 92: More specific monitoring of stream
Page 93 and 94: Figure 6-1Location MapVaipito Strea
Page 95 and 96: Stream FlowsHistorical Stream Flows
Page 97 and 98: California grass (Brachiaria mutica
Page 99 and 100: FIGURE 6-3FISH AND INVERTEBRATE SUR
Page 101 and 102: Most of lower Vaipito Stream segmen
Page 103 and 104: Red mangrove should be planted with
Page 105 and 106: TABLE 6-7PRELIMINARY COST ESTIMATEC
Page 107 and 108: TABLE 6-9LONG-TERM RESOURCE MONITOR
Page 109 and 110: TABLE 6-10 (Continued)FIELD MONITOR
Page 111 and 112: Vehicular and pedestrian access to
Page 113 and 114: Figure 7-1Location MapLeele-Papa-Ta
Page 115 and 116: Stream flow, in some cases, is cons
Page 117 and 118: Stormwater Discharges and Related F
Page 119 and 120: AQUATIC FISH AND INVERTEBRATESGener
Page 121 and 122: Opportunities and StrategiesOption
Page 123: Figure 7-3Option 2: Reduction of Er
Page 129 and 130: TABLE 7-10 (Continued)FIELD MONITOR
Page 131 and 132: More specific monitoring of stream
Page 133 and 134: Figure 8-1Location MapSauino Stream
Page 135 and 136: Stream FlowsHistorical Stream Flows
Page 137 and 138: AQUATIC FISH AND INVERTEBRATESGener
Page 139 and 140: Figure 8-3Option 1: Construction of
Page 141 and 142: FIGURE 8-5OPTION 2: PLANT NATIVE RI
Page 143 and 144: Long-Term Monitoring and Site Maint
Page 145 and 146: TABLE 8-8FIELD MONITORING WORKSHEET
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
Page 153 and 154: However, during and following heavi
Page 155 and 156: Vegetation TrendsThe lower Leafu St
Page 157 and 158: LAND USES ADJACENT TOLOWER LEAFU ST
Page 159 and 160: Option 2: Construct Basaltic Wall,
Page 161 and 162: Figure 9-5:Stabilize East Stream Ba
Page 163 and 164: TABLE 9-7PRELIMINARY COST ESTIMATEP
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
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Further downstream, the stream chan
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TABLE 10-4SUMMARY OF MACROFAUNAL OR
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American Samoa Wetlands/Streams Res
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CLEAN-UP OF LOWER ASILI STREAMLABOR
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TABLE 10-9LONG-TERM RESOURCE MONITO
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TABLE 10-10 (Continued)FIELD MONITO
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Vehicular and pedestrian access to
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Figure 11-1Location MapFusi Wetland
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WETLAND VEGETATIONNovember 1999 Sur
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The lack of stream flow entering th
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Figure 11-3Option 1: Remove Solid W
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Recommended Option and Estimated Pr
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TABLE 11-6FIELD MONITORING WORKSHEE
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Any future monitoring stations or s
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Project ManagerRepresentatives of a
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REFERENCESBiosystems Analysis, Inc.
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APPENDIX ASUMMARY OFPLANTSOBSERVED
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Species Family EnglishNameSamoanNam
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APPENDIX CSUMMARY OFAQUATIC MACROFA
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