News about conservation activities on the Chatham Islands.
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Written by Dept Conservation - Press Release
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Mar 27, 2009 at 11:01 AM |
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More
than 100 pilot whales have died after stranding on an isolated beach at
Mairangi, on the north eastern Chatham Islands
late yesterday evening.
Chatham
Islands Department of Conservation staff promptly visited the site as soon as
the stranding was reported to assess whether any of the estimated 104 whales
could be saved. Unfortunately most were already dead and staff had no choice
but to euthanase eight that were still alive, DOC Chathams Area manager, Ken
Hunt, said.
"There
was no chance of saving them because they'd been left high and dry by the
outgoing tide".
"As sad
as it is, whale strandings on the Chathams
are not uncommon. However strandings of this size are unusual and in cases such
as this, we're often unable to help the whales." |
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Read more...
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Written by Alex McKillop
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Mar 14, 2009 at 10:35 AM |
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The oldest wooden building on the Chatham Islands is close to being restored to its original state. Glory Cottage on Pitt Island (estimated to be built around the 1860s) was originally a shepherd's hut but was also known as a whaling cottage.
Four volunteers have just finished year three of the restoration plan which has included re-roofing, replacing weather boards, installing authentic windows and an old iron water tank as well as reinstating the internal staircase and constructing two porches that were originally a part of the building. The retired builders from Kapiti have stacked up an incredible 92 days work on the project and after spending four weeks on Pitt in February 2008, the same builders were very keen to return this February to complete the work.
Finishing tasks still to be done include rebuilding the chimney to the original specifications and moving the longboat within the fenced area of the cottage in order to protect from further damage. DOC has appreciated the support and enthusiasm of the Pitt community for this project. Bernie Mallinson of Flowerpot Adventures advises that visitors are extremely impressed when visiting the Glory area of the island and in particular the history surrounding the cottage. It is hoped that the cottage will be cherished by all visitors for generations to come.
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Written by Taiko Trust (Press release)
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Mar 14, 2009 at 09:43 AM |
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Tui have been re-introduced onto the main island of the Chatham Islands in an operation described as a world-first.
The operation, initiated by the Chatham Islands' Taiko Trust,
involved 14 young tui being transferred from Rangatira (South East
Island) to Awatotara on the main Chatham Island this week. The 14 birds
are currently being held in an aviary and will be released into the
wild on Saturday March 14 2009.
The Chatham Island tui (Prosthemadera novaeseelandiae chathamensis),
an endemic sub-species to the New Zealand tui, disappeared from the
main Chatham Island in the early 1980s. The birds currently only breed
on Rangatira and Pitt Islands in the Chatham Group. Research by Peter
Dilks from the late 1990s estimated the adult tui population on those
islands at about 350 birds.
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Tui release
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Read more...
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Written by Melanie Massaro & James Muir
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Feb 09, 2009 at 01:24 PM |
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Over 30 years
have passed since the remaining five black robins, including the last surviving
fertile female "Old Blue", were translocated from Little Mangere to Mangere Island, in the beginning of a dramatic, 22-year
long effort to rescue this endemic species from the brink of extinction. The
conservation measures that were taken to save this species were successful and
by 1998 two black robin populations had been restored including about 150 birds
on Rangatira and 50 birds on Mangere
Island. At this stage
conservation managers decided that it was time to scale back the intense
monitoring and management and to let the black robins recover unassisted.
While the
descendents of "Old Blue" continued to lay eggs and raise their nestlings over
the past 10 years, conservation biologists have become aware of another potential
problem facing the remaining black robins. When populations decline to critical
levels, individuals are forced to mate with close relatives and this can cause
increased inbreeding and reduced genetic diversity. This has been the case with
the black robin, which passed through a severe population bottleneck in the
late 1970s, when numbers were reduced to five individuals (including only one
fertile breeding pair). Of greatest concern is the loss of genetic variation,
which in turn can lead to increased levels of reproductive failure, decreased
resistance to diseases, and even a reduced ability to adapt to novel environmental
changes. |
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Read more...
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Written by Alex McKillop
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Feb 05, 2009 at 09:33 AM |
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The pair of Antipodean wandering albatross breeding on Hakepa, Pitt Island have fledged their second chick. The nest was spotted in April 2008 and this resulted in a chick that has been patiently waiting since then to be old enough to fly out to sea - and on the 6th January it successfully did just that!
Pitt Island ranger, Kenny Dix, diligently visited the summit of Hakepa each week to check that all was well, as pigs and cattle pose some threat to the ground nesting chick. Kenny said that thankfully cattle did not seem to bother the chick at all.
In December, visiting DOC rangers were able to band the chick and the Pitt Island School children and parents took the opportunity to get up close on the action.
It is hoped that the parents will return to the same area to breed, which is likely to be in two years time, however the young chick that has just left is unlikely to return to breed for at least seven years. |
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