Glenrock State Conservation Area is a protected conservation area located eight kilometres south of the central business district of Newcastle in the state of New South Wales, on the east coast of Australia. The park borders the coast and encompasses 534 hectares stretching from the residential suburbs of Merewether to Dudley within the Newcastle and Lake Macquarie Local Government Areas. Glenrock State Conservation Area is significant as it contains a large number of important remnant vegetation communities, contains a number of heritage sites, and is used by a wide variety of user groups. The park contains many cultural records, both Aboriginal and European, and is located within the Awabakal Local Aboriginal Land Council area.
Overview The park has many features including significant natural and landscape values, cultural heritage values (Aboriginal and European), recreational and tourism uses, and is important for research and education. Glenrock Lagoon, which is fed by Flaggy Creek, is located within the park and connects to Burwood Beach and the ocean through a small tidal channel. The park is legislated as a state conservation area under the NSW National Parks and Wildlife Act 1974 which provides protection to conserve biodiversity, maintain ecosystem functions, and conserve places and features of cultural value. This protection also allows certain uses to occur whilst having regard to the natural and cultural values of the park, and provide compatible visitor and tourist use. The park is used by a wide number of people and variety of interest groups. It contains a number of walking tracks of various grades, including tracks which are accessible by wheel chair. The Great North Walk traverses through the park. The park is well known for its mountain bike tracks which is allowed on designated tracks in the northern section of the park with horse riding also allowed in the northern section of the park or by permit. Other uses include hang gliding, fishing, surfing, orienteering and beach related activities. The park has an active Scouts Australia NSW campsite, Glenrock Scout Camp, adjacent to Glenrock Lagoon.
Flora The park contains remnant vegetation including many nationally significant vegetation communities, two endangered ecological communities, and five threatened flora species, and is recognised for its flora diversity. The park conserves native vegetation which has largely been removed or significantly degraded throughout the lower Hunter, and also includes a number of regionally significant vegetation communities. A total of twelve vegetation communities have been recorded in the park with eight considered poorly conserved at a national level, and two which are listed under the New South Wales Threatened Species Conservation Act as endangered ecological communities. Importantly the park includes some of the last areas containing Permian geology and sediments which are protected within conservation reserves, which explains why the park contains such a high flora diversity. Significant vegetation communities include littoral rainforest (national and state significance), Permian coastal clay grassland (national and state significance), Permian coastal gully rainforest (regional significance), Permian sheltered dry forest (national significance), Permian exposed coastal scrub (national significance), and Permian coastal clay Melaleuca scrub (national significance). The park contains five of the last seven known pockets of Littoral Rainforest in the lower Hunter, which is nationally listed as a critically endangered ecological community and as an endangered ecological community under the New South Wales Threatened Species Conservation Act 1995. Glenrock State Conservation Area provides important protection for the Littoral rainforest community which has been significantly reduced in area and is a highly fragmented endangered ecological community. Endangered plants protected inside the park include the rough double tail (Dirius praecox), magneta lilly pilly (Syzygium paniculatum), white-flowered wax plant (Cynanchum elegans), black-eyed susan (Tetratheca juncea) and heath wrinklewort (Rutidosis heterogama). These plants are all listed as threatened species under the NSW Threatened Species Conservation Act 1995 and listed as nationally threatened under the Commonwealth Environment Protection and Biodiversity Conservation Act 1999. The status of the park as a conservation area means these important species have some level of protection. This is especially important for some species such as Tetratheca juncea which is found in woodland and heath communities but now has a contracted north south range of 110 km, largely due to clearing for urban development, with historic southern populations around Sydney now extinct. The rainforest tree Syzygium paniculatum which is found in the park, is found only within the critically endangered littoral rainforests of NSW in disjunct populations often of less than 20 individuals. Despite pressures from clearing for urban development, low population numbers and low genetic diversity, Syzygium paniculatum has been found to be persisting and producing viable and dispersible seed thereby making protected areas where this species exist important for the preservation of this species.
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