Restoration by the community for the community.
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Co ordinators are Rex Bushell 854-0973 and Rod Lugton 855-9966 .
Mangaiti Gully Restoration Trust is an innovative,
progressive Trust that is pushing conventional boundaries in urban
restoration. This means enhancing the
environment within the gully system to take the negative pressure off the
native fauna (birds, invertebrates, reptiles and fish) which urbanisation
Selective and targeted planting is one way to achieve this.
An example is the Puriri Moth. An impressive native moth that is the largest
native in NZ with a wing span of 150mm. Their caterpillar bore into the trunks
of Grey Willow and Privet when native species are absent. If these are removed
during weed clearing our native moth is also removed. To manage this, extensive
planting of a native substitutes like Lace Bark is being done. This winter 62
Lace barks that we grew from seed have been planted in the latest cleared area.
These grow relatively fast giving good early canopy cover which helps to shade
out sun loving weeds.
Progress is being made to reintroduce Red Admiral butter
flies to the gully. We have propagated a number the nettle plants that they
require for breeding. We are fencing off an out-of-the way area for the nettle
and there will be signage on the fence to warning people that touching the
plants will cause an unpleasant irritation.
We have identified a river bank on the Hauraki plans that
has nettle and Red Admirable butterflies. This will be the source of stock once
our nettle plants are established. Yellow admirals are already present in the
gully so we are looking forward for their population to increase.
One of the things Paul Duffy from Hamilton City Council (now
works for Auckland Council) said when we first started this project was, "don’t
have the tracks going in a straight line. It is much more interesting to
meander through the bush". We have started to push through another track into a
new planting area and with Paul advice put curves in it. It does
There always seems to be some threat to our restoration
programme in an urban location. There is the perennial rat and possum invasion
to control. Now we have Rainbow skinks, an invasive species from Australia that
is common in some areas of Hamilton and is being easily spread. One of our team
members purchased to load of firewood and found one among the wood. The
Rainbows are prolific breeders out breeding our native Copper Skinks.
Giant Willow Apids
Then there is the Giant Willow aphid which arrived a couple
of years ago, which in its self does not attack our native trees but in our
gully produce so much honey dew that the understory of natives got covered in
black mould cutting off, or heavily
restricting, the understory plants ability to photosynthesise. We are poisoning
the willows but that is a big job that we cannot do all at once.
Now it looks as though we will have to contend with Myrtle
Rust in the near future.
Song of the Dodo Island
Biogeography in an Age of Extinction
By David Quammen
A Scribner 1996 publication
This brilliant, easy to read book is about the unravelling ecosystems, ecosystem decay and about evolution and extinction. David Quammen travels the earth visiting islands and reserves where science is being done on the environmental pressures, predominantly from humans, that is driving many species into extinction. While the ecosystem decay does dominate this book, running parallel is his investigation and documentation of how species evolved in the first place, with the main focus on the animal evolution on isolated islands – island biogeography. There is interesting discussion on the Wallace line that divides Indonesia into two separate evolutionary segments with Asian fauna on one side and the Australian fauna on the other. He follows Alfred Wallace’s adventures that led to this discovery in 1859 and the lead up to Darwin’s publication of the Origin of Species.
While the subject could be pretty heavy going to read, Quammen has scripted it is such a way that it flows well into a “hard to put down” book. All 625 pages of it. This book is brilliant. It’s so good it is the only book I have ever started to read a second time and still enormously enjoy reading.
David Quammen is a two-time National Magazine Award winner for his science essays and other work in Outside magazine. The author of three novels and several other books, he is the recipient of an Academy award in literature from the American Academy of Arts and Letters.
The advantage of being part of a team is that you get a variety of talents. The standard wheel barrow is not really that suitable for carting plants around so one of team members built a platform on a wheel barrow base specially designed to carry pants. It works a treat and carries three time more than a standard barrow.
One of the down sides to opening up an area to the public is
that it also opens it up to vandalism. Overall we get off pretty lightly with
things that are easy and cheap to repair. This was not the case with the latest
damage to one of our bridges. A number of people jumping on the bridge managed
to break it in half. We rebuilt the bridge to a more sturdy but costly design.
This replacement cost the Trust $205 for materials, money which would have been
used for plants or pest control.
All rebuilt and solid.
An opportunity to
If you feel inclined to contribute towards the cost of the
bridge rebuild you would be welcome to make a deposit (any amount would be
welcome) as a direct credit into our bank account 031557-0463402-00.
We are a registered charity so if you email our Treasurer firstname.lastname@example.org confirming your donation details we will
supply you with a receipt for your tax rebate.