Gnaraloo Turtle Conservation Program
   HOME

TheInfoList



OR:

The Gnaraloo Turtle Conservation Program (GTCP) is an
environmental organisation An environmental organization is an organization coming out of the conservation or environmental movements that seeks to protect, analyse or monitor the environment against misuse or degradation from human forces. In this sense the environment ...
based at the Gnaraloo pastoral station and run by the
Gnaraloo Wilderness Foundation The Gnaraloo Wilderness Foundation (GWF) is a non-profit organization aimed at protecting and preserving the native flora and fauna at Gnaraloo with the mission to ''Keep Gnaraloo Wild''. The goal of the GWF is to maintain these pristine habitats ...
, a not-for-profit organisation. The aim of the GTCP is to identify, monitor and protect the nesting beaches of
loggerhead sea turtle The loggerhead sea turtle (''Caretta caretta'') is a species of oceanic turtle distributed throughout the world. It is a marine reptile, belonging to the family Cheloniidae. The average loggerhead measures around in carapace length when fully ...
s (''Caretta caretta'') found at two locations on the Gnaraloo coastline. These two rookeries contribute to the South-East Indian Ocean subpopulation of loggerhead turtles, with other major nesting sites for this sub-population at
Dirk Hartog Dirk Hartog (; baptised 30 October 1580 – buried 11 October 1621) was a 17th-century Dutch sailor and explorer. Dirk Hartog's expedition was the second European group to land in Australia and the first to leave behind an artefact to record his ...
island (within
Shark Bay Shark Bay (Malgana: ''Gathaagudu'', "two waters") is a World Heritage Site in the Gascoyne region of Western Australia. The http://www.environment.gov.au/heritage/places/world/shark-bay area is located approximately north of Perth, on the ...
) and
Exmouth Exmouth is a harbor, port town, civil parishes in England, civil parish and seaside resort, sited on the east bank of the mouth of the River Exe and southeast of Exeter. In 2011 it had a population of 34,432, making Exmouth the List of town ...
. This is within the southern boundaries of the Ningaloo Coast marine area, a
UNESCO World Heritage Site A World Heritage Site is a landmark or area with legal protection by an international convention administered by the United Nations Educational, Scientific and Cultural Organization (UNESCO). World Heritage Sites are designated by UNESCO for h ...
.


History

The Western Australian coast is the site of a significant number of rookeries of loggerhead sea turtles (''
Caretta caretta The loggerhead sea turtle (''Caretta caretta'') is a species of oceanic turtle distributed throughout the world. It is a marine reptile, belonging to the family Cheloniidae. The average loggerhead measures around in carapace length when fully ...
''), green sea turtles (''
Chelonia mydas The green sea turtle (''Chelonia mydas''), also known as the green turtle, black (sea) turtle or Pacific green turtle, is a species of large sea turtle of the Family (biology), family Cheloniidae. It is the only species in the genus ''Chelonia' ...
''), and hawksbill sea turtles (''
Eretmochelys imbricata The hawksbill sea turtle (''Eretmochelys imbricata'') is a critically endangered sea turtle belonging to the family Cheloniidae. It is the only extant species in the genus ''Eretmochelys''. The species has a global distribution, that is large ...
''), all of which are classified vulnerable to critically endangered on the
IUCN Red List of Threatened Species The International Union for Conservation of Nature (IUCN) Red List of Threatened Species, also known as the IUCN Red List or Red Data Book, founded in 1964, is the world's most comprehensive inventory of the global conservation status of biologi ...
. The nesting sites are particularly numerous for loggerhead sea turtles, whose rookeries range from
Shark Bay Shark Bay (Malgana: ''Gathaagudu'', "two waters") is a World Heritage Site in the Gascoyne region of Western Australia. The http://www.environment.gov.au/heritage/places/world/shark-bay area is located approximately north of Perth, on the ...
to
Gnaraloo Bay Gnaraloo is a working pastoral Station (Australian agriculture), station and wilderness tourism business located in the Gnaraloo Bay in the Shire of Carnarvon, Western Australia. It is adjacent to the Ningaloo Marine Park (Commonwealth waters ...
in the south, and
Ningaloo Reef The Ningaloo Coast is a World Heritage Site located in the north west coastal region of Western Australia. The heritage-listed area is located approximately north of Perth, along the East Indian Ocean. The distinctive Ningaloo Reef that fring ...
to the
Cape Range National Park Cape Range National Park is a national park in the Gascoyne region of Western Australia, north of Perth. The park occupies the western side of the North West Cape peninsula over an area of . The nearest town is Exmouth. Directly off the coast i ...
in the north. In 2005, after purchasing the land at Gnaraloo, the Gnaraloo Station Trust became aware of the threatened population of sea turtles nesting along the coast and recognized the need for their protection and conservation. An on-ground monitoring and scientific research program was established with the help of the Department of Environment and Conservation (DEC) (now DPaW), following a similar protocol to the neighbouring Ningaloo Turtle Program in
Exmouth Exmouth is a harbor, port town, civil parishes in England, civil parish and seaside resort, sited on the east bank of the mouth of the River Exe and southeast of Exeter. In 2011 it had a population of 34,432, making Exmouth the List of town ...
. Full season surveys of sea turtle tracks and nests within the Gnaraloo Bay Rookery (1 November - 28 February) have taken place since 2008. Yearly, a successful and in depth community engagement program has been undertaken, visiting schools along the
Western Australia Western Australia (commonly abbreviated as WA) is a state of Australia occupying the western percent of the land area of Australia excluding external territories. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to th ...
n coast from Carnarvon to
Busselton Busselton is a city in the South West region of the state of Western Australia approximately south-west of Perth. Busselton has a long history as a popular holiday destination for Western Australians; however, the closure of the Busselton ...
. In late 2015, the Gnaraloo Wilderness Foundation was created in order to facilitate the environmental conservation efforts of Gnaraloo; it received its not-for-profit incorporated association status in Western Australia on 12 January 2016.


Gnaraloo Feral Animal Control Program

The Gnaraloo Turtle Conservation Program operates in conjunction with the Gnaraloo Feral Animal Control Program, which was implemented in 2009 with the aim of reducing the impact of feral animals, namely the introduced European red fox (''
Vulpes vulpes The red fox (''Vulpes vulpes'') is the largest of the true foxes and one of the most widely distributed members of the order Carnivora, being present across the entire Northern Hemisphere including most of North America, Europe and Asia, plus ...
''), as well as feral cats and wild dogs. Since the 2010/2011 season, feral predation has been successfully maintained at 0%, providing complete protection of sea turtle eggs and hatchlings from these feral predators.


Ghost crab predation

The
endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...
golden ghost crabs (''Ocypode convexa'') and, to a lesser extent, horned ghost crabs (''Ocypode ceratopthalmus'') are also significant as some of the main predators of
sea turtle Sea turtles (superfamily Chelonioidea), sometimes called marine turtles, are reptiles of the order Testudines and of the suborder Cryptodira. The seven existing species of sea turtles are the flatback, green, hawksbill, leatherback, loggerhead, ...
eggs and hatchlings in Western Australia. Some methods for protecting the nests against ghost crabs have been proposed for trial in Gnaraloo, including wire or plastic screens placed over the nests.


See also

*
Threats to sea turtles Threats to sea turtles are numerous and have caused many sea turtle species to be endangered. Of the seven extant species of sea turtles, six in the family Cheloniidae and one in the family Dermochelyidae, all are listed on the IUCN Red List of En ...


References

{{reflist, 40em


External links


Previous scientific reports
Environmental organisations based in Australia Nature conservation organisations based in Australia Organisations based in Western Australia Animal conservation organizations Sea turtles Ningaloo Coast Turtle conservation organizations