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Operational List EPA Report: Verified Source: Pestlink Operational Report for Possum, Ship rat, Stoat Control in the Cascade/Hope/Gorge 13 May 2014 - 26 Aug 2014 29/09/2014 Department of Conservation Weheka / Fox Glacier Office Contents 1. Operation Summary ........................................................................................................................................................ 2 2. Introduction .......................................................................................................................................................................... 3 2.1 TREATMENT AREA ............................................................................................................................................... 3 2.2 MANAGEMENT HISTORY .............................................................................................................................. 5 3 Outcomes and Targets ................................................................................................................................................... 5 3.1 CONSERVATION OUTCOMES ................................................................................................................... 5 3.2 TARGETS ....................................................................................................................................................................... 5 3.2.1 Result Targets ..................................................................................................................................................... 5 3.2.2 Outcome Targets ............................................................................................................................................. 5 4 Consultation, Consents & Notifications ............................................................................................................. 5 4.1 CONSULTATION .................................................................................................................................................... 5 4.2 CONSENTS .................................................................................................................................................................. 5 4.3 NOTIFICATION ....................................................................................................................................................... 6 5 Methods .................................................................................................................................................................................... 6 5.1 TARGET SPECIES.................................................................................................................................................... 6 5.2 ENVIRONMENTAL EFFECTS ....................................................................................................................... 9 5.2.1 Effects on Non-Target Species ................................................................................................................ 9 5.2.2 Effects on Soil and Water Quality ........................................................................................................ 9 5.2.3 Effects on Ecosystems .................................................................................................................................. 9 5.2.4 Effects on Human Health ........................................................................................................................... 9 6 Monitoring Results and Outcomes ..................................................................................................................... 10 6.1 RESULT MONITORING - TARGET SPECIES ................................................................................. 10 6.2 RESULT MONITORING - ENVIRONMENTAL EFFECTS .................................................... 10 6.3 OUTCOME MONITORING ........................................................................................................................... 11 1. Operation Summary Operation Name Possum, Ship rat, Stoat Control in Cascade/Hope/Gorge Operation Date 13 May 2014 - 26 Aug 2014 Office Weheka / Fox Glacier Region: Northern and Western South Island Pestlink Reference 1314SWS07 Treatment Area Size (ha) Cascade/Hope/Gorge 25795.00 Conservation Unit Name(s) GA Id(s) Arawata Conservation Area 2792983 Treatment Block Details Treatment Blocks Size (ha) Cascade ground 698.00 Cascade/Hope/Gorge 25079.00 Contractor Name Central South Island Helicopters Ltd(CSI) Treatment Dates Start Completion Cascade ground 24 Jul 2014 26 Aug 2014 Cascade/Hope/Gorge 13 May 2014 30 May 2014 Target Pest Details Target Treatment Blocks Control Method Name Pests Cascade ground Possum, Pesticide Bait Bag Pesticide - Bait Bag in Cascade Ship rat ground-(1) Cascade/Hope/Gorge Possum, Pesticide Aerial Pesticide - Aerial in Ship rat, Cascade/Hope/Gorge-(1) Stoat Conservation Outcome(s) The structure and composition of the forest in the Hope river valley is maintained in its current state. Result Target(s) Treatment Area/Block What we got • 1% or less (ground) Cascade/Hope/Gorge Not monitored residual trap-catch index of possums within four months of the operation occurring Pestlink Ref: 1314SWS07 Page 2 of 11 Date Printed: 30 Sep 2014 Outcome Targets What we got • The mean foliar cover score for monitored No monitoring done mistletoe, wineberry and fuchsia does not decline below 50% during a three year period after the operation. 2. Introduction 2.1 TREATMENT AREA Non-target species Common Name Scientific Name Red deer Cervus elaphus scoticus Target benefit species Common Name Scientific Name Bellbird Anthornis melanura melanura Blue duck, Whio, mountain duck, blue Hymenolaimus malacorhynchos mountain duck Brown Creeper, Pipipi Mohoua novaeseelandiae Piwakawaka, South Island Fantail Rhipidura fuliginosa fuliginosa Bowdleria punctata Grey Warbler, Riroriro Gerygone igata Kea Nestor meridionalis New Zealand pigeon, Kereru Hemiphaga novaeseelandiae Long-tailed Cuckoo, Koekoea, koekoea, Eudynamys taitensis kohoperoa, long-tailed koel, longtailed cuckoo, long tailed cuckoo Morepork, Ruru Ninox novaeseelandiae novaeseelandiae Bush falcon, Karearea Falco novaeseelandiae "bush" - Acanthisitta chloris Shining Cuckoo, Pipiwharauroa Chrysococcyx lucidus lucidus Silvereye, waxeye, tauhou Zosterops lateralis lateralis Tomtit Petroica macrocephala Tui Prosthemadera novaeseelandiae novaeseelandiae Snail Powelliphanta "vittatus" Tree fuchsia Fuchsia excorticata Red mistletoe, pikirangi, pirirangi, Peraxilla tetrapetala pikiraki, pirita Scarlet mistletoe Peraxilla colensoi Threatened species Common Name Scientific Name Pestlink Ref: 1314SWS07 Page 3 of 11 Date Printed: 30 Sep 2014 Geographical location The Cascade/Hope/Gorge is situated 51 km NE of Haast. TREATMENT BLOCK DETAILS: Treatment block Cascade ground Vegetation type Mixed podocarp, tree fern and some areas of Manuka scrub Bioclimatic zone lowland Climate characteristics: Rainfall 4000 mm Temperature: Average Summer 15.0 Average Winter 5.0 Snow level 1500 m Altitude 20-200 m Community and This treatment area is part of the Haast Roar block ballot Iwi interests system. The area is lightly used for hunting throughout the year. The upper Cascade river is sometimes used for fishing and Jet Boating. The Cascade - Barn Bay 4x4 track is used to access baches at Barn Bay and the Hope River. This track is also used by trampers to access the coast. Whitebaiters frequent the Cascade river during the season and some possum trappers venture into the area. Historic sites N/A Treatment block Cascade/Hope/Gorge Vegetation type Mixed Beech and lowland coastal Podocarp Bioclimatic zone lowland sub-montane montane sub-alpine Climate characteristics: Rainfall 4000 mm Temperature: Average Summer 15.0 Average Winter 5.0 Snow level 1500 m Altitude 20-1161 m Community and This treatment area is part of the Haast Roar block ballot Iwi interests system. The area is lightly used for hunting throughout the year. The upper Cascade river is sometimes used for fishing and Jet Boating. The Cascade - Barn Bay 4x4 track is used to access baches at Barn Bay and the Hope River. This track is also used by trampers to access the coast. Whitebaiters frequent the Cascade river during the season and some possum trappers venture into the area. A family live near the southern boundary on the true left of the Gorge River. Pestlink Ref: 1314SWS07 Page 4 of 11 Date Printed: 30 Sep 2014 Historic sites N/A 2.2 MANAGEMENT HISTORY Management history was not chosen to be shown in this operational report. This history is, however, available via Pestlink. 3 Outcomes and Targets 3.1 CONSERVATION OUTCOMES The structure and composition of the forest in the Hope river valley is maintained in its current state. 3.2 TARGETS 3.2.1 Result Targets The result targets for the treatment area were: • 1% or less (ground) residual trap-catch index of possums within four months of the operation occurring. 3.2.2 Outcome Targets The outcome targets for the treatment area were: • The mean foliar cover score for monitored mistletoe, wineberry and fuchsia does not decline below 50% during a three year period after the operation 4 Consultation, Consents & Notifications 4.1 CONSULTATION Parties including but not limited to, Iwi, land owners, concessionaires and other interested parties were consulted during the period February to April 2014 as per the requirements set out in the 'Consultation and Notification of Pest Operations Standard Operating
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