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African
Penguin numbers now at all time low - Alarming decline in breeding
colonies continues
Report
from 2nd International African Penguin Conference sponsored by Dyer
Island Conservation Trust
Gansbaai,
Western Cape, South Africa 15th-18th April
2009
African
Penguin numbers have fallen to a historic low point and urgent
action is required to halt the alarming decline in the breeding
colonies of the Western Cape of South Africa.
New research
presented at this international congress attended by scientists from
South Africa, Europe and the USA revealed
that:
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Last
year there were only about 26,000 pairs of African Penguins
left in southern Africa (this represents their global
population)- a decline of about 121000 breeding pairs since
1956. |
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The
decline in penguin numbers is increasing with studies
suggesting that the fall of 1.44% p.a. up to 2006 has now
increased to 2.34% a year |
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Over
the last three generations there was a 50% overall decrease in
penguin breeding pairs. |
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The
annual survival rate of adult penguins in the key breeding
colonies of Robben Island and Dassen Island has fallen by
about half since
2000 |
WHAT IS
CAUSING THE CRISIS?
Delegates
to the conference, held in Gansbaai, Western Cape, said further,
research is urgently needed to establish the concerns in the decline
in numbers of breeding pairs and the lifespan of adult penguins.
Currently, concern is focussing on the shortage of sardines
and anchovies - the penguins' major food source. Commercial fishing
and migration of sardine shoals due to changes in sea temperatures
mean that adults have to swim increasing distances from their
breeding colonies to feed. As a result, the survival of chicks is
threatened.
The keynote speaker at the conference, Professor
Peter Barham of Bristol University, UK summarised the views of
researchers. He said: "In common with all those who have been
working with African penguins in the last few years, I have noticed
the steep decline in numbers with much concern and even some alarm.
We need to understand the underlying causes; of course, food supply
must be a major factor. But we do not know for sure whether this is
caused by overfishing, by fish stocks moving with changing ocean
currents due to effects of global warming, or even whether the
penguins are less able to find fish than previously (they may be
weaker due to, for example, build up of pollutants over the years).
Other issues affecting penguins include increased predation by fur
seals around some colonies, the continuing risk of oil spills, and
as the climate warms up the lack of suitable, cool, places to breed
within the traditional colonies."
"We can address some of
these issues head on. We can provide suitable nesting sites (the
Dyer Island Conservation Trust nest boxes are a prime example of how
this can be done); we already do request that rogue seals found
taking large numbers of penguins are culled; and we can argue for
reductions in the fishing quotas around the main colonies. But we
also need to continue research to understand better the underlying
causes of the decline. If we are to be able to correlate penguin
population decline with, for example, the amount of fish taken by
the purse seine fisheries around the main colonies; we need
accurately to establish the population numbers and how they are
changing; to have reliable estimates of annual breeding success at
all the colonies as well as good data on where the penguins are
foraging and how long they spend at sea to find the food they need
to feed themselves and their chicks. It is only with such reliable
data that we are likely to be able to persuade the fishermen to
change their behaviour."
"However, this may not be enough, if
we find that the problems arise from movement of fish, rather then
reduction in the number of fish, we need to learn how we can
persuade penguins to form new colonies closer to the fish stocks.
Again this requires some basic research so that we can understand
what factors influence young birds to form new colonies rather than
simply returning to their natal colony. This is something we are
starting to do in the chick bolstering project with the hand reared
orphaned chicks taken each year from Dyer Island."
"I do
believe that if we continue with all the current efforts there is a
good chance that we can understand well enough what the problems are
before they become insurmountable that we will be able to take
appropriate actions to prevent the species becoming extinct." To
read a full report of Professor Barham's speech click
here...
To read
more about the 2nd International African Penguin Conference click
here...

HOW CAN
YOU HELP?
The
Dyer Island Conservation Trust's Faces of Need campaign is a major
sponsor of research and the conservation of the African
Penguin.
We rely on your support. Please purchase a penguin
nest or make a donation to our research by clicking on the link
below.
Dyer
Island Conservation Trust P.O. Box 78 Gansbaai 7220 Western Cape,
South Africa Ph: +27 (0) 28 384 0406 | Fax: +27 (0) 28 384
1266 Email: info@dict.org.za
© 2009
Dyer Island Conservation Trust |
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 Delegates
to the 2nd International African Penguin
Conference
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 Wilfred
Chivell, Chairman of the Dyer Island Conservation Trustee's
(left) introduces Professor Peter Barham, Bristol University,
UK
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 Deon
Geldenhuys (left), Conservation Manager of Dyer Island (Cape
Nature) welcomes delegates to Dyer
Island
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 Delegates
visiting the island on 'Whale Whisperer' as guests of Dyer
Island Cruises
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Photographic
competition winners
During
the conference a photographic competition entitled "Seabirds"
took place. Here are the winners:
 Winner:
Tertius Gous (SANCCOB) Cape
Cormorants Phalacrocorax capensis taken at Dyer
Island
 Runner
up: Ross Wanless (BirdLife South Africa) King
Penguins Aptenodytes patagonicus taken at Marion
Island
 Runner
up: Lloyd Edwards (Raggy Charters) Cape
Gannets Morus capensis taken at Bird Island, Nelson
Mandela Bay
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Unique
commemorative poster available
 To
mark the 2nd International African Penguin Conference the
Trust offers this limited edition poster by well-known artist,
Wendy Robinson. Limited to 500 copies are available at ZAR
50.00; EUROS 5; US$ 6 each plus post and packing. To order
your copy @ CLICK
HERE. | |