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Puketi forest enviroMate100 possum control

Cause page created in the Environment category by eco-land Ltd

$1,425 donated

Given by 10 generous donors in around 7 months


Your funds directly enabling a demonstration of enviroMate100 alternative to aerial 1080 whilst reducing possums in Puketi forest.

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EnviroMate100 (a automated bait station) is being used in the centre of Puketi Forest to provide data "of scale" displaying that new generation possum control can be partially self funding through fur recovery whilst maintain forests with very low declining possum populations .

We will provide continuous control of possums within approximately 1200ha using enviroMate100 bait stations, cyanide toxin and traps. It is expected the impact of this possum control will filter outwards to reduce possum population over approximately 3000ha.

This operation initially requires 1 single visit every 14 days to each individual enviroMate100 to reload it with lure and toxin. At this time possum fur can be recovered.

Smaller scale operations suggest each externally placed bait station site will maintain catching 1 possum on average every 14 days whilst the internal area will become possum absent. It is hoped at the larger scale the internal areas will also eventually become depleted of possum residents.

A independent possum control contractor using enviroMate100 was successful in gaining 6% 5.3% and 4.7% BMI monitor solely with lure to pull possums over extended distances to be caught in leg hold traps, this was a TB free control funded operation. 15% BMI is what DOC target to enable biodiversity gains.

Our hope is to provide the validation and operation model for working in dense forest needed to update outdated trapping information of which suggest that trapping and ground control work is more costly and less effective than aerial delivery for the sustainable maintenance of conservation values. The promotion that fur recovery can now meet environmental requirements currently set by DOC whilst creating jobs in rural environments.

We wish to show case a different method of control and management system to achieve the desired outcome with no non target deaths.

Please note the resident possum population in this forest is presently uneconomic for a living wage to be made from fur collection using conventional trapping or poison application. DoC have declined development assistance since 2014. It was suggested we need to validate enviroMate100 technology at landscape scale, this has now been done by an independent contractor being successfully monitored in three separate contracts.

We seek partnerships with those who participate in fur recovery as they have the skilled, self motivated hardened workers to conduct large scale self directed predator control. We wish to maintain a living wage for these people.

Aerial application of toxin (once only application) currently costs around $38 - $56 per ha. We are offering to maintain a similar level of possum control but across the entire"year" for $40-50 per ha and ask you to contribute directly to provide this control.

It is expected fur recovered will finance the initial deployment of enviroMate100 into the forest but not the continued protection against reinvasion. We could also target rats and stoats as they are drawn to enviroMate100 activity. At present we are not enabled by DoC to use rat baits and would need take traps to site.

Another way to look at the cost structure is it costs $10 to carry each enviroMate100 onto site and $10.00 to remove again. It works for 14 days delivers toxins on the last day killing those possums that are visiting.

Every additional visit to reload at the same site costs $5.00- $10 per visit dependant on what goes in to it.

We wish to deploy and maintain 250-300 enviroMate100 in this operation. To do this with your help we require $1250.00 -$1900 every 14 days to maintain each site ($1-2 per ha per visit approx.)

Every additional $5 we receive we can return to service 1 enviroMate100 for another 14 day cycle of control against reinvasion. Sporadic fur recovery around the boundary will help fund the rest.

Eco-land will supply enviroMate100 and implement the work. Eco-land will recover fur to cover enviromate100 deployment and removal costs

We note Govt funding aimed at "alternative tools" to aerial control is not currently filtering to implementation efforts in the field. We have a proven successful system ready to operate but have not been enabled. We need your help to make this happen!

Use of funds

$130 maintains one enviroMate100 automated bait station onsite in Puketi for 1 year. This includes labour, lures, battery, travel and toxin. One single enviroMate100 controls 4ha for possums.

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Latest update

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what to do in "lock down".......... catch up on those important things  28 March 2020

Posted by: eco-land Ltd

Regardless humidity caked the top of the flour the pests still chewed it all up as they had been trained already. Low density area with 9 possums 4 rats caught previously from 34 traps on 17 trap sites at 200m centres along the line, after 7 days onsite pre feeding with enviroMate100. When poison was included next another 11 possums were dispatched at the end of a 7 day pre feed delivery. After this we changed to 21 day delivery pre feed with toxin at the end of the cycle. Now enviroMate100 are loaded with flour base cyanara in each dish with fera feed (leaf) top to preserve flour and cyanara. This will deliver a new food dish every 3rd day having 1 poison per dish. Our boundary control is now in place. Eco-land will now target the 700ha core area first for fur recovery, 7 or 14 days pre feed with cyanara on last delivery enabling the collection of fur and reloading of enviroMate100, then complete knock down to reach DoC desired conservation targets. This using fera feed and feratox with new dish delivered every 3rd day. It is a shame rat bait can not be used instead of fera feed.......due DoC declining rat bait use. But first all is on hold due "Lock Down" at least the boundary is working at present!

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Latest donations

  • Guest Donor

    Guest Donor on 31 Oct 2019


    good work! Heard you on Jesse Mulligan


    • eco-land Ltd

      Thanks we will put your donation to good use. I heard today that bird song recorders have been placed with in the zone we are working to listen for kokako that may have extended their habitat range from the puketi forest trusts protection zone.......

  • peter

    peter on 31 Oct 2019


    Congratulations on your device, and best of luck. Enjoyed your interview on RNZ today. Cheers to your forest restuarant!


    • eco-land Ltd

      Hi Thanks for listening to RNZ and supporting efforts in Puketi will keep you and others updated with news from the forest.

  • Melissa

    Melissa on 31 Oct 2019


    Just heard you on Radio NZ. Good luck!


    • eco-land Ltd

      Hi That was really fast! Thanks for your support in making positive change in Puketi

  • kathy

    kathy on 14 Oct 2019


    keep at it


    • eco-land Ltd

      Excellent THANKS!. Another effort will be made next Monday. A further 8 enviroMate100 units will be taken into the forest to complete the first loop. I await the required poison warning signs to be made, these will cost of around $250 for the four signs.

  • Andreas

    Andreas on 23 Sep 2019


    From Switzerland - 3 more enviroMates to help you prove your bait station is a winner and to help a New Zealand forest .


    • eco-land Ltd

      Thanks kindly, that is a nice surprise. Doc have issued the cyanide poison consent so the operation will now gain some speed. Enjoy knowing 12 ha of forest will shortly be controlled and maintained for possums by your donation until consent expires in September 2020.

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This page was created on 5 Sep 2019 and closes on 13 May 2020.
$1,425 donated

Given by 10 generous donors in around 7 months

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