Wairarapa Key Native Ecosystem Management Areas - Greater ...

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Linkwood Bush is situated between the entrance to Lagoon Hills Station and the Tuturumuri settlement alongside White Rock Road. Several years back quite a few small mistletoe plants (Illeostylus micranthas) were discovered growing on a decaying coprosma. Unfortunately this was broken off at ground level by cattle pushing into the block due to substandard fencing. Hopefully other mistletoe plants exist within the block. 28. History The Linkwood Bush site was assessed in January 1997and received a regional priority score of 4. At this stage the mistletoe plants had not been discovered. If this site were to be reassessed now, it would probably score much higher. It would have to be assumed there are other plants within this bush remnant. 29. Operational procedures Kilmore and Sentry bait stations have been the only form of possum control within this site. This work has been carried out by the YMCA Conservation Corp using 50p and 20pp waxed brodifacoum possum pellets. Predator control within this site has been carried out by Greater Wellington staff as the young adults with the Conservation Corp have difficulty setting the type of predator traps Greater Wellington uses. Possum numbers should be down to low numbers as control work in the surrounding areas has been carried out by possum contractors. 30. Operational results No pre-initial monitoring data is available for Linkwood Bush. Post initial monitoring carried out during May 2001 gave an RTC of 2.2% (95% + /- CI 13-8). This sort of result was to be expected considering there was no refilling of bait stations for a period of three months. A post initial monitor carried out during 1998 gave an RTC of 6.8%. This result was due to constant maintenance of the bait stations. A pre-maintenance possum monitoring line laid in May 2005 alongside the Linkwood Bush site resulted in no possums being trapped. This would have indicated possum numbers even then were at low levels. Species trapped and results for 2007/08: Cats 5 Ferrets 2 Rats 4 Hedgehogs 9 Magpie 1 Rabbits 3 PAGE 16 OF 44 WGN_DOCS-#609098-V1
31. Discussion 31.1 Endangered plants With stock now completely excluded from the Linkwood Bush site, regeneration of many native species is now evident. Cattle had previously damaged much of the understory and destroyed the host species of the mistletoe plants. 31.2 Possum reinvasion With the continuing possum control being carried out on the adjacent farmland, reinvasion of possums into the Linkwood Bush site should be minimised. 31.3 Predator control It was initially envisaged that the YMCA Conservation Corp students would carry out this work. However, due to the difficulty with the setting of the Fenn traps and a possible health and safety issue, Greater Wellington staff have completed the work. Permanent sites consisting of a Sentry bait station, a Timms trap and a No. 4 Fenn trap in conjunction with a Philproof tunnel have been set up around the boundary fence for ease of access. The preferred bait for the predator traps is beef fat. 31.4 Legal protection As Linkwood Bush is fenced and stock proof, it now has a QEII covenant in place ensuring this has the necessary protection vital for its future. 32. Costs Set out below is a breakdown of costs from Greater Wellington’s SAP financial system up until the end of the financial year 30 June 2008. Vehicle/plant 233.02 Labour 883.50 Material/supplies 122.37 Total: 1,238.89 WGN_DOCS-#609098-V1 PAGE 17 OF 44 $
Page 1 and 2: Wairarapa Key Native Ecosystem Mana
Page 3 and 4: Linkwood Bush 15 24. Executive summ
Page 5 and 6: Tauherenikau Bush 27 69. Executive
Page 7 and 8: Fensham Reserve 1. Executive summar
Page 9 and 10: 4. History An assessment of this si
Page 11 and 12: Lake Nganoke 9. Executive summary T
Page 13 and 14: Lake Pounui 16. Executive summary T
Page 15: Linkwood Bush 24. Executive summary
Page 19 and 20: change in the type of crops grown h
Page 21 and 22: Pikes Lagoon 44. Executive summary
Page 23 and 24: Solway Park Bush 53. Executive summ
Page 25 and 26: Sulphur Wells 60. Executive summary
Page 27 and 28: Tauherenikau Bush 69. Executive sum
Page 29 and 30: Enhancement planting of native tree
Page 31 and 32: 76. Costs Set out below is a breakd
Page 33 and 34: predator control. It also forms par
Page 35 and 36: Tora Coast Bush 87. Executive summa
Page 37 and 38: Not a lot to show for our predator
Page 39 and 40: Waihora 96. Executive summary This
Page 41 and 42: 103. Discussion 103.1 Waihora Watch
Page 43 and 44: There has been little evidence of p

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