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Declared Noxious Weeds. These plants have been declared noxious under the Catchment and Land
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Protection Act 1994. These plants have the potential to cause serious environmental harm and
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therefore must be managed. Ragwort (Senecio jacobaea), Spear Thistle (Cirsium vulgare) and Hawthorn
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(Crataegus monogyna) are all declared noxious weeds.
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Invasive pest animals can have detrimental effects on the park because they prey on native wildlife
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and can "out-compete and displace native animals by competing for their habitat, food and water
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resources". Red foxes (Vulpes vulpes) are an established pest animal in all of Victoria. When it
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comes to the Yarra Ranges National Park, mainly trapping methods are employed to manage the issue.
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In Victoria there is a program that rewards eligible Victorian hunters with a $10 bounty reward for
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each individual fox killed, subject to the Victorian Fox Bounty Terms and Conditions. Due to this,
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and the amount of foxes in the park, Parks Victoria opens up the park occasionally to allow hunters
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in to help manage the fox issue. Other pest animals within the park are European Rabbits
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(Oryctolagus cuniculus) and feral cats.
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Fires
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Fires are a natural part of Australian environment because they are needed for the renewal of
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ecosystems; however, in recent times these bushfires have been occurring outside normal
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frequencies, intensities, seasons and scale of what fauna and flora can tolerate. To reduce the
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potential impact of fire on the park, controlled burns are conducted throughout specific months of
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the year and are carefully managed by Parks Victoria and the Department of Environment, Land, Water
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and Planning (DELWP). The controlled burns are used to reduce the amount of fuel, such as dead
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wood, leaf litter, bark or shrubs that could easily catch alight during the summer months. A
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reduced amount of fuel decreases the impact of a bushfire because it lowers its intensity.
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Climate change
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Climate change is having a major impact on all ecosystems within Australia, and the Yarra Ranges
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National Park is no exception. As the temperature increases, the average rainfall decreases,
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meaning less water flowing in the waterways. Less water reduces water quality that is supplied to
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Melbourne and used by the fauna and flora within the park. The annual surface temperature is
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predicted to increase by 0.6-1C and wind speed is set to increase by 6%. All these changes will
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impact what makes up the park's ecosystem and how it functions.
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Heritage
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European colonists found it difficult to access the area. It was eventually settled in 1860 and was
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seen as a valuable area for timber. Soon after, the area was recognised as a good place for water
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catchments, so the Maroondah and Upper Yarra dams were built.
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Management
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Yarra Ranges National Park is managed by Parks Victoria, the Department of Environment, Land, Water
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and Planning (DELWP) and Melbourne Water. Parks Victoria released a Management Plan for the park in
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2002 in which they outlined the significant management directions for the Park, all of which are
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still used today.
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Parks Victoria aims to preserve significant conservation areas by;
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Preserving old-growth forests, as well as specific significant flora species. Parks will do this by
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improving knowledge of flora in the park by encouraging flora surveys and research on significant
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species to improve conservation management schemes for specific species. To provide special
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protection for significant plant species by actively managing threatening processes, such as weed
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invasion. To protect the parks native fauna species and maintain genetic diversity. This will be
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done by maintaining and enhancing fauna habitat through the control of potentially threatening
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processes, such as pest plant and animal control. To encourage surveys of fauna and faunal habitats
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in the park, giving priority to threatened species to ensure that the park continues to support
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viable populations of each endangered species. The last management strategy to protect fauna
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species is to communicate the policy of no feeding of wildlife in the park, and to prohibit the
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distribution and sale of birdseed within the park. When it comes to fire management, Parks Victoria
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allows open days for locals to come into the park and gather wood. This helps to get rid of fire
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fuel that is present in the understory of the forest.
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Protecting water resources in the water supply catchments. This will be done by maintaining the
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Restricted Access Policy for the Designated Water Supply Catchment Area (DWSCA), by continuing to
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prohibit domestic pets and control feral animals in the DWSCA to protect the water resources from
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any potential forms of contamination. The DWSCA will also be protected from wildfire in accordance
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with the Draft Yarra Ranges National Park Fire Protection Plan. The last management strategy to
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protect the water supply catchments is to monitor the effects of roads and traffic that transverse
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the DWSCA to ensure that there is minimal soil erosion that could affect the water supply.
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Are the management directions effective?
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The current management strategies outlined in the Yarra Ranges National Park Management Plan
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regarding the Restricted Access Policy, is efficient at maintaining the parks water resources. By
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limiting human access to the Designated Water Supply Catchment Area (DWSCA) it prevents some forms
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of contaminants from entering the supply catchments because the area remains clear of rubbish. If
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rubbish left behind in the park by people entered the water catchments, it could have a damaging
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effect on the purity of the water that is supplied to Melbourne. The restriction on people feeding
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wildlife has also benefited the native species within the park because it allows the ecosystem to
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function and evolve without human interference.
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One of the main reasons the park was established was to protect Mountain Ash trees, however, their
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numbers have declined due to climate change, bush fires and close-proximity logging to the park.
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Climate change cannot be prevented, but significant fire damage can be. To decrease the severity of
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fires within the Park, more planned burns to get rid of a majority of fire fuel could be
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implemented by Parks Victoria and DELWP. When it comes to close-proximity logging, the effect on
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Mountain Ash trees is detrimental. To help prevent the further loss of these endangered carbon-rich
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forests, a policy could be implement by the Victorian Government to prevent logging from occurring
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within a 20 kilometre area of the park.
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With the number of Mountain Ash trees decreasing, faunal habitat is also being lost. This is of
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great concern when it comes to Victoria's faunal emblem – the Leadbeater's Possum, as well as many
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other threatened species of fauna within the park. Parks Victoria and DELWP have management
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strategies in place that do protect these threatened species from pest species and human
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interaction, however there are no measures to combat the increased threat of climate change. When
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it comes to protecting threatened species of fauna, there are breeding programs implemented in
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Healesville Sanctuary to increase specific species population rates. Once these animals reach a
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certain age, Zoo's Victoria coordinates their efforts with the Parks Ranger, to release these
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animals into the park. In regards to faunal habitat being lost, the parks open wood days may be
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displacing animals if people do not stick to the restriction for wood collection in the park. This
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cannot be managed, so the only way to prevent this is to find a way to manage it, or to stop the
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open wood days altogether.
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To help better protect endangered fauna and flora within the area, there is a proposal for the
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creation of the Great Forest National Park. This proposed park will add 355,000 hectares to
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existing parks and reserves. The proposed park will supply over 4 million people with some of the
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highest quality drinking water, help to protect a greater portion of Mountain Ash forest and
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provide a greater area for protecting endangered and rare wildlife. Overall, the proposed park will
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protect approximately all of Victoria's Central Highlands.
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See also Mount Donna Buang Protected areas of Victoria Great Forest National Park References
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External links Parks Victoria: Yarra Ranges National Park
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National parks of Victoria (Australia) Protected areas established in 1995
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Forests of Victoria (Australia) 1995 establishments in Australia Yarra Valley
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is a Japanese television drama which aired on Fuji TV at 10:00 pm every Thursday from April 10,
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2008, until June 17, 2008. It stars Masami Nagasawa, Juri Ueno, Eita, Asami Mizukawa and Ryo