american samoa - University of Hawaii at Manoa Botany Department

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American Samoa Wetland/Stream Restoration and Enhancement PlanTABLE OF CONTENTS (continued)ChapterNo.TitlePage No.Seven PAPA STREAMLocationStream HydrologyVegetationAquatic Fish and InvertebratesLand Uses Adjacent to Papa StreamRiparian Restoration and Enhancement OpportunitiesEight SAUINO STREAMLocationStream HydrologyVegetationAquatic Fish and InvertebratesLand Uses Adjacent to Lower Sauino StreamRiparian Restoration and Enhancement OpportunitiesNine LEAFU STREAMLocationStream HydrologyVegetationAquatic Fish and InvertebratesLand Uses Adjacent to Vaipito StreamRiparian Restoration and Enhancement OpportunitiesTen ASILI STREAMLocationStream HydrologyVegetationAquatic Fish and InvertebratesLand Uses Adjacent to Asili StreamRiparian Restoration and Enhancement OpportunitiesEleven FUSI WETLANDLocationWetland HydrologyWetland VegetationAquatic Fish and InvertebratesLand Uses in the Vicinity of Fusi WetlandWetland Restoration and Enhancement StrategiesTwelve FUTURE PROGRAM MANAGEMENTRecommended Program ParticipantsIndividual Project AssignmentsSelected Agency AssignmentsPotential Participation from Other Community OrganizationsAPPENDIX A – Summary of Plants, November 1999APPENDIX B – Summary of Aquatic Macrofaunal Organisms, November 1999APPENDIX C – Summary of Aquatic Macrofaunal Organisms, July 1981REFERENCES- ii -7-17-17-17-77-87-97-98-18-18-18-58-68-78-79-19-19-19-59-79-99-910-110-110-110-610-710-910-1011-111-111-111-411-511-611-712-112-112-112-312-3
American Samoa Wetland/Stream Restoration and Enhancement PlanLIST OF FIGURESFigure No. Title Page No.1-1 Location MapPotential Wetlands and Streams Enhancement Opportunities2-1 Location Map, Tula Wetland2-2 Existing Conditions, Tula Wetland2-3 Option 2: Detention of Stormwater Within Tula Wetland2-4 Option 3: Expansion of Taro Production Within Tula Wetland2-5 Resource Monitoring Stations and Areas, Tula Wetland3-13-23-33-44-14-24-34-45-15-25-36-16-26-36-47-17-27-38-18-28-38-49-19-29-39-49-510-110-210-311-111-211-3Location Map, Alao Village WetlandExisting Conditions, Taufusi MarshFEMA 100-Year Flood Plain, Alao VillageOption 2: Restore Taro ProductionLocation Map, Aoa Village WetlandExisting Conditions, Aoa WetlandOption 4: Clear Puna Stream Culvert, Plant TreesResource Monitoring AreasLocation Map, Southeast Wetland in VatiaExisting Conditions, Vatia WetlandOption 1:Restore Mangrove Forest Upstream of Faatafe Stream MouthLocation Map, Vaipito Stream DrainageExisting Conditions, Vaipito StreamFish and Invertebrate Survey LocationsOption 1:Restore Mangrove Forest Along Lower Vaipito StreamLocation Map, Leele-Papa-Tauese Stream DrainageExisting Conditions, Papa Stream SegmentOption 2: Clean Stream, Improve Stream Hydrology, andReduce Bank ErosionLocation Map, Sauino Stream DrainageExisting Conditions, Sauino StreamOption 1: Construct Detention PondOption 2: Plant Native Riparian Trees Along Stream BankLocation Map, Leafu StreamExisting Conditions, Leafu StreamOption 1: Restore Stream Bank in Vicinity of L2Option 2: Construct Basaltic Wall, Stabilize Stream Bank, and EnhanceRiparian VegetationOption 3: Stabilize East Stream Bank and Enhance Riparian VegetationLocation Map, Asili StreamExisting Conditions, Asili StreamOption 1: Clean Asili Stream and Enhance Riparian VegetationLocation Map, Fusi WetlandExisting Conditions, Fusi WetlandOption 1: Remove Solid Waste Material and Plant Wetland MarshVegetation1-22-22-32-92-112-203-23-33-53-104-24-34-124-185-25-35-106-26-36-86-117-27-37-128-28-38-88-109-29-39-109-129-1310-210-310-1111-211-311-8- iii -
Page 1 and 2: Asili StreamAMERICAN SAMOAWETLAND/S
Page 3: American SamoaWetland/Stream Restor
Page 7 and 8: American Samoa Wetland/Stream Resto
Page 9 and 10: American Samoa Wetland/Stream Resto
Page 11 and 12: Figure 1-1Location of Potential Wet
Page 13 and 14: Onsite InvestigationsNovember 1999G
Page 15 and 16: Where appropriate, stream cross sec
Page 17 and 18: Chapter TwoTULA WETLANDLOCATIONTula
Page 19 and 20: Figure 2-2Tula WetlandExisting Cond
Page 21 and 22: Improved channelization of stormwat
Page 23 and 24: LAND USES IN THE VICINITY OF TULA W
Page 25 and 26: Figure 2-3Option 2: Detention of St
Page 27 and 28: Figure 2-4Option 3: Expansion of Ta
Page 29 and 30: Comparative Benefits and ImpactsPPC
Page 31 and 32: TABLE 2-4PRELIMINARY COST ESTIMATEP
Page 33 and 34: TABLE 2-5LONG-TERM RESOURCE MONITOR
Page 35 and 36: TABLE 2-6 (CONTINUED)FIELD MONITORI
Page 37 and 38: Chapter ThreeALAO WETLANDLOCATIONAl
Page 39 and 40: Figure 3-2Taufusi MarchExisting Con
Page 41 and 42: Figure 3-3FEMA 100-Year Flood Plain
Page 43 and 44: East Portion of the MarshThe impact
Page 45 and 46: WETLAND RESTORATION AND ENHANCEMENT
Page 47 and 48: The availability of new, blight-res
Page 49 and 50: Long-Term Monitoring and Site Maint
Page 51 and 52: TABLE 3-7FIELD MONITORING WORKSHEET
Page 53 and 54: Recommended monitoring stations or
Page 55 and 56:
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
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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 6-9LONG-TERM RESOURCE MONITOR
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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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TABLE 8-8 (Continued)FIELD MONITORI
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LOCATIONChapter NineLEAFU STREAMLea
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Figure 9-2Leone Pala and 300-Foot L
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However, during and following heavi
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Vegetation TrendsThe lower Leafu St
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LAND USES ADJACENT TOLOWER LEAFU ST
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Option 2: Construct Basaltic Wall,
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Figure 9-5:Stabilize East Stream Ba
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TABLE 9-7PRELIMINARY COST ESTIMATEP
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TABLE 9-9 (Continued)FIELD MONITORI
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Chapter TenASILI STREAMLOCATIONAsil
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Figure 10-2Asili Stream SegmentExis
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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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