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Barmah National Park

Barmah National Park
Victoria
River red gums along the Murray River, adjacent to the national park
Barmah National Park is located in Victoria
Barmah National Park
Barmah National Park
Map
Nearest town or cityBarmah
Coordinates35°52′00″S 145°07′05″E / 35.86667°S 145.11806°E / -35.86667; 145.11806
Established2010
Area285.21 km2 (110.1 sq mi)[1]
Managing authoritiesParks Victoria
WebsiteBarmah National Park
See alsoProtected areas of Victoria

The Barmah National Park, formerly Barmah State Park, is a national park located in the Hume region of the Australian state of Victoria.[2] The park is located adjacent to the Murray River near the town of Barmah, approximately 225 kilometres (140 mi) north of Melbourne.[3] The park consists of river red gum floodplain forest, interspersed with treeless freshwater marshes.[4] The area is subject to seasonal flooding from natural and irrigation water flows.

The 60,000 hectares (150,000 acres) Barmah-Millewa Forest, consisting of the Barmah Forest (Victoria) and the Millewa group of forests (New South Wales), forms the largest river red gum forest in the world.[5] The Barmah Forest Ramsar site is an internationally recognised wetland, listed under the Ramsar Convention,[6] and a number of bird species that utilise the Barmah National Park are part of the Japan-Australia Migratory Bird Agreement and the China-Australia Migratory Bird Agreement.[7][8] Note that the areas of the Barmah National Park and the Barmah Forest Ramsar site mostly overlap, but are not identical, Barmah National Park site includes the western part of Ulupna Island in the north east, but not the Murray River Park to the south east.[1] The Barmah Forest Ramsar site boundary does not include Ulupna Island, but does include the Murray River Park to the south east.[3] The overall area of the red gum forest on the Victorian side is colloquially defined as the Barmah Forest.

Barmah National Park is a popular camping, walking, fishing, boating and canoeing and swimming destination.[1]

Climate

The Barmah National Park is known as a temperate semi-arid region, with low rainfall and high evaporation.[8] Average temperature maximums for the year are around 30 °C (86 °F) in January and February, with average minimum temperatures down to 4 °C (39 °F) in July. Average rainfall for the year is 400 millimetres (16 in), with the most rain falling in winter with an average monthly rainfall of 40 millimetres (1.6 in).[9]

History

The Barmah Forest was originally utilised by Indigenous Australians, including the Yorta Yorta and Bangerang people, to find food, shelter and materials. Following the settlement of Europeans into the area, Barmah Forest became an important fishing and logging area, with surrounding land cleared for agriculture and grazing. Rabbits, foxes, sheep, cattle and horses were introduced into the area.[10][11] Hardwood timber was harvested from the Barmah region from around 1870,[11] and logging of river red gum and seasonal cattle grazing were important local industries until recently, ceasing when the national park was created.[12][13] The Barmah muster yards, located in the southern end of the park, and used for management of cattle grazed in the surrounding river red gum forests, were heritage listed in 2009.[14] Cattle grazing was banned in all river red gum national parks in 2015.[15] The park contains a large population of wild horses, which mainly originate from free roaming horses that either escaped or were purposely released for breeding stock in the mid 1800s. Stock released by a local trotting horse breeder after 1952 bolstered their population after the last great roundup of 1949, when approximately 70 wild horses remained in the Barmah Forest.[16]

Barmah State Park was established in 1987,[13] and was legislated as Barmah National Park in 2010.[13] The park is one of four river red gum national parks[15] established by the Victorian Government in 2010[13] to protect remnant river red gum forest.[12] The other river red gum national parks are the Gunbower National Park (created 2009), Hattah-Kulkyne National Park (1978), Lower Goulburn National Park (2009), Murray-Sunset National Park (1991) and the Warby-Ovens National Park (2009).[13]

In July 2010, the Government of New South Wales declared the Millewa Forest, on the northern banks of the Murray River, as a national park.[17] The 41,601-hectare (102,800-acre) forest was renamed as the Murray Valley National Park, making the combined reserves a 70,000-hectare (170,000-acre) cross–border national park, managed by both governments and the traditional owners.[18][1]The combined parks are the largest continuous red gum forest in the world.[19][7][20]

Changes to flooding

See also: Cadell Fault
See also: Murray River § Cadell Fault and formation of the Barmah Red Gum Forests
alt text
Flooded Barmah forest river red gums

The Barmah Choke and the Narrows, a section of the Murray River where flow is restricted by a geological fault (the Cadell Fault), naturally cause the overflow of water into the Barmah Forest when the river flow is high.[21]

Historically, the Barmah National Park and surrounding river red gum forests would flood naturally in winter and spring in most years, and river flows were very low in late-summer and autumn.[19] Since clearing for agriculture and the subsequent dam construction took place, the Murray River has undergone extensive flow regulation.[19][22] The construction of dams upstream from the Barmah National Park, from the 1920s onwards, has had a vast impact on the water flowing in the Murray River and instances of flooding, the flow of water is now highly regulated.[19][22] The Hume Dam was operational from 1936, the Yarrawonga Weir in 1939, and the Dartmouth Dam from 1979.[19][22]

As a consequence of flow regulation, the winter and spring floods are now reduced, and of shorter duration than previously, with more low level flooding occurring in summer and autumn.[19][23] The increased incidents of smaller summer and autumn floods, which affect low-lying areas of Barmah National Park, are sometimes caused by heavy rains.[19] More often, they occur because there is sufficient rainfall for irrigated farmland between the Hume Dam and the Barmah Forest, consequently river diverters do not choose to take allocated water, Lake Mulwala (Yarrawonga Weir) also has inadequate storage,[19] resulting in high level river flows referred to as "rainfall rejections".[19]

These unseasonal high level river flows result in unseasonal flooding[23][24] in the Barmah-Millewa Forest, which has a significant effect on forest and wetland ecology, degrading wetlands by interfering with the natural drying-out phase and by disrupting nutrient cycling processes.[23] In recent years, unseasonal flooding is being controlled, and "environmental water" is being released to offset some of the detrimental effects of river regulation on the ecosystems along the lower reaches of the Murray River. Management of environmental water supplied through the Murray-Darling basin to the Barmah–Millewa Forest is complex, and mainly under the control of the Murray-Darling Basin Authority. In Victoria the Victorian Environmental Water Holder also manages environmental water allocations.[25][26]

The supply of environmental water to Barmah Forest aims to:[25][27]

  • Enhance the health of river red gum communities and aquatic vegetation in the wetlands and watercourses and on the floodplain, and promote the growth of floodplain marsh vegetation communities, particularly the extent of Moira grass
  • Maintain or increase available habitat for frogs and turtles
  • Provide feeding and nesting habitat for colonial nesting waterbirds
  • Provide native fish with access to a range of floodplain, riverine and refuge habitats including by delivering variable flows that promote spawning
  • Enable nutrient cycling (particularly carbon) between the floodplain and river through connectivity Provide early-season flushing of the lower floodplain to cycle nutrients during cooler conditions and reduce the risk of poor water quality events in summer

Ecology

The Barmah National Park is a river red gum forest, consisting of an upper storey of red gums, no shrub layer or middle storey, and a ground storey of native grasses, sedges and rushes.[10][11][19] The edges of the forest merge into a eucalypt-box woodland.

The park is a large flood plain and wetland area, with flooding of the Murray River occurring sporadically, both naturally and due to flow regulation of the river.[28]

Threatened species of flora found in Barmah National Park[4] may be listed under the DELWP Advisory List of Rare or Threatened Plants in Victoria,[29] the Flora and Fauna Guarantee Act 1988 (FFG), or the Environment Protection and Biodiversity Conservation Act 1999 (EBPC). Many listed plant species do not have Wik.ipedia.Pro pages, more information can be found on the Vicflora database

List of threatened native flora occurring in Barmah National Park
Image Scientific Name Common Name DELWP FFG EPBC Group
Allocasuarina luehmannii buloke e - endangered in Victoria Listed as threatened in Victoria tree
Alternanthera nodiflora common joyweed k - poorly known in Victoria forb
Alternanthera sp. 1 plains joyweed k - poorly known in Victoria forb
Amyema linophylla subsp. orientale buloke mistletoe v - vulnerable in Victoria hemiparasitic shrub
Ammannia multiflora jerry-jerry v - vulnerable in Victoria forb
Amphibromus fluitans river swamp wallaby-grass v - vulnerable in Victoria VU - vulnerable in Australia grass
Atriplex spinibractea spiny-fruit saltbush e - endangered in Victoria forb
Brachyscome chrysoglossa yellow-tongue daisy v - vulnerable in Victoria Listed as threatened in Victoria forb
Brachyscome muelleroides Mueller daisy e - endangered in Victoria Listed as threatened in Victoria VU - vulnerable in Australia forb
Brachyscome readeri (listed as Brachyscome sp. aff. readeri) Riverina daisy v - vulnerable in Victoria forb
Calotis cuneifolia blue burr-daisy r - rare in Victoria forb
Cardamine moirensis Riverina bitter-cress r - rare in Victoria forb
Cardamine tenuifolia slender bitter-cress k - poorly known in Victoria forb
Centipeda nidiformis cotton sneezeweed r - rare in Victoria forb
Coronidium gunnianum (listed as Coronidium scorpioides aff. rutidolepis (Lowland Swamps)) pale swamp everlasting v - vulnerable in Victoria forb
Cullen parvum small scurf-pea e - endangered in Victoria Listed as threatened in Victoria forb
Cymbonotus lawsonianus bear's-ear r - rare in Victoria forb
Cynodon dactylon var. pulchellus native couch k - poorly known in Victoria grass
Cyperus bifax downs nutgrass v - vulnerable in Victoria sedge
Cyperus flaccidus lax flat-sedge v - vulnerable in Victoria sedge
Cyperus victoriensis yelka k - poorly known in Victoria sedge
Desmodium varians slender tick-trefoil k - poorly known in Victoria forb
Dianella longifolia var. grandis (listed as Dianella sp. aff. longifolia (Riverina) pale flax-lily v - vulnerable in Victoria forb
Digitaria ammophila silky umbrella-grass v - vulnerable in Victoria grass
Eleocharis pallens pale spike-sedge k - poorly known in Victoria sedge
Eragrostis exigua slender love-grass e - endangered in Victoria grass
Fimbristylis aestivalis summer fringe-sedge k - poorly known in Victoria sedge
Gratiola pumilo dwarf brooklime r - rare in Victoria forb
Haloragis glauca f. glauca bluish raspwort k - poorly known in Victoria forb
Hypsela tridens hypsela k - poorly known in Victoria forb
Lepidium monoplocoides winged peppercress e - endangered in Victoria Listed as threatened in Victoria EN - endangered in Australia forb
Lepidium pseudohyssopifolium native peppercress k - poorly known in Victoria forb
Lipocarpha microcephala button rush v - vulnerable in Victoria rush
Lotus australis var. australis austral trefoil k - poorly known in Victoria forb
Minuria integerrima smooth minuria r - rare in Victoria forb
Myoporum montanum waterbush r - rare in Victoria shrub
Nymphoides crenata wavy marshwort v - vulnerable in Victoria Listed as threatened in Victoria forb
Picris squarrosa squat picris r - rare in Victoria forb
Ranunculus pumilio var. politus ferny small-flower buttercup k - poorly known in Victoria forb
Rhodanthe stricta slender sunray e - endangered in Victoria Listed as threatened in Victoria forb
Rorippa eustylis dwarf bitter-cress r - rare in Victoria forb
Sclerolaena muricata var. semiglabra dark roly-poly k - poorly known in Victoria shrub
Sida intricata twiggy sida v - vulnerable in Victoria forb
Swainsona adenophylla violet swainson-pea e - endangered in Victoria Listed as threatened in Victoria forb
Tripogonella loliiformis (listed as syn. Tripogon loliiformis) rye beetle-grass r - rare in Victoria grass
Wahlenbergia tumidifructa mallee annual-bluebell r - rare in Victoria forb

Fauna

Threatened species of native fauna occurring in Barmah National Park[30][31][4] may be listed under the DELWP Advisory List of Threatened Vertebrate Fauna,[32] the Flora and Fauna Guarantee Act 1988 (FFG), or the Environment Protection and Biodiversity Conservation Act 1999 (EBPC).

List of threatened native fauna occurring in Barmah National Park
Image Scientific Name Common Name DELWP FFG EPBC Group
Anilios proximus (listed as syn. Ramphotyphlops proximus) proximus blind snake nt - near threatened in Victoria reptile
Anas rhynchotis australasian shoveler vu - vulnerable in Victoria bird
Ardea intermedia intermediate egret e - endangered in Victoria listed as threatened in Victoria bird
Ardea modesta eastern great egret vu - vulnerable in Victoria listed as threatened in Victoria bird
Aythya australis hardhead vu - vulnerable in Victoria bird
Bidyanus bidyanus silver perch vu - vulnerable in Victoria listed as threatened in Victoria fish
Biziura lobata musk duck vu - vulnerable in Victoria bird
Botaurus poiciloptilus Australasian bittern e - endangered in Victoria listed as threatened in Victoria EN - endangered in Australia bird
Ceyx azureus (listed as syn. Alcedo azurea) azure kingfisher nt - near threatened in Victoria bird
Chlidonias hybrida javanicus (listed as Chlidonias hybridus javanicus) whiskered tern nt - near threatened in Victoria bird
Circus assimilis (listed as Circus assimilus) spotted harrier nt - near threatened in Victoria bird
Climacteris picumnus victoriae brown treecreeper nt - near threatened in Victoria bird
Craterocephalus fluviatilis Murray hardyhead cr - critically endangered in Victoria listed as threatened in Victoria EN - endangered in Australia fish
Dromaius novaehollandiae emu nt - near threatened in Victoria bird
Egretta garzetta nigripes little egret e - endangered in Victoria listed as threatened in Victoria bird
Falco subniger black falcon vu - vulnerable in Victoria bird
Galaxias rostratus flat-headed galaxias vu - vulnerable in Victoria I - rejected for listing as threatened; taxon invalid or ineligible fish
Gallinago hardwickii Latham's snipe nt - near threatened in Victoria N - nominated for listing as threatened in Victoria bird
Geopelia cuneata diamond dove nt - near threatened in Victoria listed as threatened in Victoria bird
Grantiella picta painted honeyeater vu - vulnerable in Victoria listed as threatened in Victoria bird
Grus rubicunda brolga vu - vulnerable in Victoria listed as threatened in Victoria bird
Haliaeetus leucogaster white-bellied sea-eagle vu - vulnerable in Victoria listed as threatened in Victoria bird
Hirundapus caudacutus white-throated needletail vu - vulnerable in Victoria bird
Ixobrychus dubius Australian little bittern e - endangered in Victoria listed as threatened in Victoria bird
Limnodynastes interioris giant banjo frog cr - critically endangered in Victoria listed as threatened in Victoria amphibian
Lophochroa leadbeateri leadbeateri (listed as syn. Cacatua leadbeateri leadbeateri) Major Mitchell's cockatoo vu - vulnerable in Victoria listed as threatened in Victoria bird
Lophoictinia isura square-tailed kite vu - vulnerable in Victoria listed as threatened in Victoria bird
Maccullochella macquariensis trout cod cr - critically endangered in Victoria listed as threatened in Victoria EN - endangered in Australia fish
Maccullochella peelii Murray cod vu - vulnerable in Victoria listed as threatened in Victoria VU - vulnerable in Australia fish
Macquaria ambigua golden perch (natural populations) nt - near threatened in Victoria I - rejected for listing as threatened; taxon invalid fish
Macquaria australasica Macquarie perch e - endangered in Victoria listed as threatened in Victoria EN - endangered in Australia fish
Melanodryas cucullata cucullata hooded robin nt - near threatened in Victoria listed as threatened in Victoria bird
Melanotaenia fluviatilis Murray-River rainbowfish vu - vulnerable in Victoria listed as threatened in Victoria fish
Morelia spilota metcalfei carpet python e - endangered in Victoria listed as threatened in Victoria reptile
Myotis macropus large-footed myotis nt - near threatened in Victoria mammal
Nannoperca australis (Murray-Darling lineage) southern pygmy perch (upper Murray River to Avoca River) vu - vulnerable in Victoria fish
Ninox connivens connivens barking owl e - endangered in Victoria listed as threatened in Victoria bird
Nycticorax caledonicus australasiae (listed as syn. Nycticorax caledonicus hillii) nankeen night-heron nt - near threatened in Victoria bird
Oxyura australis blue-billed duck e - endangered in Victoria listed as threatened in Victoria bird
Petaurus norfolcensis squirrel glider e - endangered in Victoria listed as threatened in Victoria mammal
Phalacrocorax varius pied cormorant nt - near threatened in Victoria bird
Phascogale tapoatafa tapoatafa brush-tailed phascogale vu - vulnerable in Victoria listed as threatened in Victoria mammal
Platalea regia (listed as Platelea regia) royal spoonbill nt - near threatened in Victoria bird
Plegadis falcinellus glossy ibis nt - near threatened in Victoria bird
Pogona barbata bearded dragon vu - vulnerable in Victoria reptile
Polytelis swainsonii superb parrot e - endangered in Victoria listed as threatened in Victoria VU - vulnerable in Australia bird
Pomatostomus temporalis temporalis grey-crowned babbler e - endangered in Victoria listed as threatened in Victoria bird
Stagonopleura guttata diamond firetail nt - near threatened in Victoria listed as threatened in Victoria bird
Stictonetta naevosa freckled duck e - endangered in Victoria listed as threatened in Victoria bird
Tandanus tandanus freshwater catfish e - endangered in Victoria listed as threatened in Victoria fish
Tringa nebularia common greenshank vu - vulnerable in Victoria bird
Tyto novaehollandiae novaehollandiae masked owl e - endangered in Victoria listed as threatened in Victoria bird
Varanus varius lace monitor e - endangered in Victoria reptile
Vermicella annulata bandy-bandy vu - vulnerable in Victoria listed as threatened in Victoria reptile

Environmental threats

Following European settlement of the area, land was extensively cleared to allow for farming and agriculture. Sheep and cattle grazing was a common sight around the Barmah region from the mid to late 1800s.[11][19][33] The periodic burning previously undertaken by Indigenous Australians was also halted.[10][19] Logging of the river red gum forests was an important part of the late 1800s and early 1900s.[11][19]

A significant decrease in breeding and occurrence of waterbirds, particular woodland bird species and species of migratory birds has been reported in the Barmah National Park.[34] This decrease has been attributed to the changes to the flood regimes occurring in the area.[34]

A number of marsupial species are also no longer found within the park, including the rufous bettong, bridled nailtail wallaby, western barred bandicoot, and lesser stick-nest rat.[10] Their absence has been attributed to the introduction of rabbits and foxes.[10]

Though the future impact of climate change on river red gum forests is unknown, there has already been a significant dieback of trees in the area due to ongoing evapotranspiration deficits.[35]

In the Murray-Darling Basin, prior to regulation of the Murray River, extensive Moira grass (Pseudoraphis spinescens) dominated floodplain marshes existed in areas that were typically seasonally flooded for 5–9 months duration in most years, to a minimum water depth of 0.5 m, and completely dry during late summer and autumn.[36][37] Floodplain areas previously dominated by aquatic species, such as Moira grass, common reed (Phragmites australis), and cumbungi (Typha spp.), are now covered with species adapted to lower levels of flooding, mainly river red gums and giant rush (Juncus ingens).[5][38][39]

The extent of the Moira grass-dominated plains has declined by 96 per cent over the last 80 years in the Barmah Forest, and they are predicted to be extinct in the Barmah Forest by 2026 without management intervention.[40] Reductions in duration and depth of natural flooding due to regulation of the Murray River, grazing and trampling pressure by introduced animals, particularly by feral horses (and previously cattle), and invasive plant species are the main causes of this decline.[4]

Management

The Barmah Forest was declared as a national park by the Victorian Government in 2010[13] under the National Parks Act 1975.[41] The park is managed as part of a collaboration between Parks Victoria and the traditional owners of the area, including the Yorta Yorta people.[1]

Flow regulation of the Murray River to benefit the surrounding agricultural land, has been undertaken for many years. However, more recently the importance of environmental flows is becoming increasingly acknowledged.[33] Scientific study has shown that river red gums rely on specific levels and durations of floods in order to survive and regenerate, similarly waterbird species also have very specific flood-related conditions in order to successfully breed and fledge chicks.[8][42] Flow regimes are also very important for native fish species populations.[43] Therefore, the alterations to the management of river red gum forests and regulation of water flows within the Murray River will be a very important area of study into the future.[33]

The timing and frequency of ecological burns will also need to be carefully monitored for future management of the park, as the increase in fire frequency predicted under climate change models may adversely impact bird habitat and may favour invasive plant and animal species.[44]

Parks Victoria's plan to reverse environmental degradation and definitively improve management of Barmah National Park prioritises timing of seasonal flooding to promote the growth of floodplain vegetation and provides habitat for breeding waterbirds, control of invasive plants, and the eradication of introduced grazing animals including horses, deer, pigs and goats. The aims of management plans are to protect the floodplain marshes, including increasing the extent of Moira grass plains, and to improve the quality of habitat for native flora and fauna in the Barmah National Park.[45][4]

Brumbies

See also: Brumby shooting

In late 2018 and early 2019, during a nationwide drought, news reports began circulating about starving brumbies across Australia,[46][47][48][49][50][51][52] including in Kosciuszko National Park,[46][47][52] Guy Fawkes River National Park,[49] and Barmah National Park.[48][50] At Barmah, which at the time was flooded with environmental water, local activists the Barmah Brumby Preservation Group began feeding feral horses on properties adjacent to the national park.[48][50] Within Barmah National Park, Parks Victoria began euthanising feral horses in very poor condition, under strict protocols, by shooting.[48]

In April 2019, Parks Victoria announced a four year plan to cull an estimated more than 500 feral horses within the national park, along with controlling and eradicating other introduced plants and animals.[4][53][54] Removal of 100–250 feral horses per year from the national park is proposed, with passive trapping and rehoming of some feral horses if homes can be pre-arranged, and the remainder to be shot by contracted professional shooters.[4][54] After the fourth year, the plan will be reassessed, with the ultimate aim of removal of all feral horses from the national park.[4][54]

Parks Victoria has stated that horses are not allowed in the national park under the Victorian National Parks Act 1975 (Vic) and that they are obliged to remove them under the Environmental Protection and Biodiversity Conservation (EPBC) Act 1999 (Cth) and the Flora and Fauna Guarantee Act 1988 (Vic).[54] A spokesman stated that "difficult choices need to be made to reduce the severe degradation to the significant environmental values of Barmah National Park, and to address the animal welfare risks created by a burgeoning feral horse population that the park cannot sustain."[54]

The local activists have disputed Parks Victoria's estimations of large numbers of feral horses within the national park,[55] and opposed the rehoming or culling of any horses, stating that environmental flooding rather than overpopulation was responsible for the problems with the feral horses in the national park.[53][55]

See also

References

  1. ^ a b c d e Parks Victoria (2014). "Barmah National Park Visitor Guide" (PDF). Archived from the original (PDF) on 13 June 2018. Retrieved 2 May 2019.
  2. ^ "Barmah National Park". Parks Victoria. Government of Victoria. Archived from the original on 3 March 2013. Retrieved 15 April 2013.
  3. ^ a b DEPI (2013), Barmah Forest Ramsar Site Boundary Description: Technical report (PDF), Department of Environment and Primary Industries Melbourne
  4. ^ a b c d e f g h Parks Victoria (2019), Strategic Action Plan: Protection of Floodplain Marshes in Barmah National Park and Barmah Forest Ramsar Site: Draft (PDF), State Government of Victoria
  5. ^ a b Dexter, B. D. (1978). "Silviculture of the river red gum forests of the central Murray floodplain". Proceedings of the Royal Society of Victoria. 90 (1): 175–192.
  6. ^ Australian Wetlands Database (1982). "Australian Wetlands Database - Barmah Forest".
  7. ^ a b Chong, J; Ladson (2003). "Analysis and management of unseasonal flooding in the Barmah-Millewa Forest, Australia". River Research and Applications. 19 (2): 161–180. doi:10.1002/rra.705. S2CID 140163213.
  8. ^ a b c Leslie, D. J. (2001). "Effect of river management on colonially-nesting waterbirds in the Barmah-Millewa Forest, south-eastern Australia". Regulated Rivers: Research & Management. 17: 17–31. doi:10.1002/1099-1646(200101/02)17:1<21::aid-rrr589>3.0.co;2-v.
  9. ^ "Echuca aerodrome". Bureau of Meteorology. Retrieved 21 April 2013.
  10. ^ a b c d e Di Stefano, Julian (2002). "River red gum (Eucalyptus camaldulensis): a review of ecosystem processes, seedling regeneration and silvicultural practice". Australian Forestry. 65 (1): 14–22. doi:10.1080/00049158.2002.10674848. S2CID 55472352.
  11. ^ a b c d e Kenyon, C; Rutherford (1999). "Preliminary evidence for pollen as an indicator of recent floodplain accumulation rates and vegetation changes: the Barmah-Millewa Forest, SE Australia". Environmental Management. 55 (3): 359–367. doi:10.1007/s002679900239. PMID 10486046. S2CID 8149821.
  12. ^ a b Government of Victoria, Parks and Crown Land Legislation Amendment (River Red Gums) Act 2009 (PDF)
  13. ^ a b c d e f Parks Victoria (2014), Creation of Parks 1882-2014 (PDF), Parks Victoria, archived from the original (PDF) on 23 April 2015, retrieved 1 May 2019
  14. ^ Heritage Council of Victoria (2009). "Barmah Muster Yards".
  15. ^ a b Premier of Victoria (17 March 2015). "Cattle banned from the Alpine National Park". Premier of Victoria.
  16. ^ Context Pty Ltd (2014). "History of Wild Horses in the Barmah National Park" (PDF). Archived from the original (PDF) on 14 April 2019. Retrieved 14 April 2019.
  17. ^ Woods, Georgina; Narayan, Indira; La Nauze, Jonathan (2015). "Victorian red gum forests: A historic victory". Commons Social Change Library.
  18. ^ "River Red Gum forests and wetlands". Environment Victoria. Retrieved 21 April 2013.
  19. ^ a b c d e f g h i j k l m Bren, L. J. (1988). "Effects of river regulation on flooding of a riparian red gum forest on the River Murray, Australia". Regulated Rivers: Research & Management. 2 (2): 65–77. doi:10.1002/rrr.3450020202.
  20. ^ "Murray Valley National Park". NSW National Parks & Wildlife Service. Government of New South Wales. Retrieved 9 August 2014.
  21. ^ MDBC (2008), Barmah Choke study, Fact Sheet 1: Project Background (PDF), Murray–Darling Basin Authority
  22. ^ a b c Thoms, M C (1995). "The impact of catchment development on a semiarid wetland complex: the Barmah Forest, Australia" (PDF). IAHS Publications-Series of Proceedings and Reports-Intern Assoc Hydrological Sciences. 230: 121–130.
  23. ^ a b c Chong, Joanne; Ladson, Anthony R. (2003). "Analysis and management of unseasonal flooding in the Barmah-Millewa Forest, Australia". River Research and Applications. 19 (2): 161–180. doi:10.1002/rra.705. S2CID 140163213.
  24. ^ Ladson, Anthony R.; Chong, Joanne (2005). "Unseasonal flooding of the Barmah-Millewa forest". Proceedings of the Royal Society of Victoria. 117 (1): 127–137.
  25. ^ a b Victorian Environmental Water Holder (2019). "VEWH - Barmah Forest". Barmah Forest. Archived from the original on 12 June 2019. Retrieved 10 June 2019.
  26. ^ MDBA (2012), Barmah–Millewa Forest: Environmental Water Management Plan 2012 (PDF), Murray–Darling Basin Authority
  27. ^ Commonwealth of Australia (2018), Portfolio Management Plan: Mid-Murray Region 2018-19 (PDF), Commonwealth of Australia
  28. ^ Argent, R. M.; McMahon T. A; Bowler J. M; Finlayson B. L. (2004). "The dendroecological Potential of Eucalyptus camaldulensis Dehnhardt (River Red Gum) from the Barmah Forest, Victoria, Australia". Australian Geographical Studies. 42 (1): 89–102. doi:10.1111/j.1467-8470.2004.00245.x.
  29. ^ DELWP (2014), Advisory List of Rare or Threatened Plants in Victoria - 2014 (PDF), Department of Environment, Land, Water and Planning
  30. ^ Loyn, Richard H.; Lumsden, Linda F.; Ward, Keith A. (2002). "Vertebrate fauna of Barmah Forest, a large forest of river red gum Eucalyptus camaldulensis on the floodplain of the Murray River". The Victorian Naturalist. 119 (3): 114–132.
  31. ^ King, Alison J. (2005). "Fish and the Barmah-Millewa Forest: history, status and management challenges". Proceedings of the Royal Society of Victoria. 117 (1): 117–125.
  32. ^ DELWP (2013), Advisory List of Threatened Vertebrate Fauna in Victoria: 2013 (PDF), Department of Environment, Land, Water and Planning
  33. ^ a b c Bennett, J (2008). "Defining and managing environmental flows: inputs from society". Economic Papers. 27 (2): 167–183. doi:10.1111/j.1759-3441.2008.tb01035.x. hdl:1885/52887. S2CID 128680648.
  34. ^ a b McGinness, H. A.; Arthur A. D; Reid, J. R. W (2010). "Woodland bird declines in the Murray-Darling Basin: are there links with floodplain change?". The Rangeland Journal. 32 (3): 315–327. doi:10.1071/RJ10016.
  35. ^ Butt, Nathalie; Pollock, Laura J.; McAlpine, Clive A. (December 2013). "Eucalypts face increasing climate stress". Ecology and Evolution. 3 (15): 5011–5022. doi:10.1002/ece3.873. PMC 3892364. PMID 24455132.
  36. ^ Murray-Darling Basin Commission (2006), The Barmah-Millewa Forest Icon Site Environmental Management Plan 2006-2007 (PDF)
  37. ^ Bren, L. J.; Gibbs, N. L. (1986). "Relationships between flood frequency, vegetation and topography in a river red gum forest". Australian Forest Research. 16: 357–370.
  38. ^ Chesterfield, E. A. (1 January 1986). "Changes in the vegetation of the river red gum forest at Barmah, Victoria". Australian Forestry. 49 (1): 4–15. doi:10.1080/00049158.1986.10674458.
  39. ^ Bren, L. J. (1992). "Tree invasion of an intermittent wetland in relation to changes in the flooding frequency of the River Murray, Australia". Austral Ecology. 17 (4): 395–408. doi:10.1111/j.1442-9993.1992.tb00822.x.
  40. ^ Colloff, Matthew J.; Ward, Keith A.; Roberts, Jane (2014). "Ecology and conservation of grassy wetlands dominated by spiny mud grass Pseudoraphis spinescens in the southern Murray-Darling Basin, Australia". Aquatic Conservation: Marine and Freshwater Ecosystems. 24 (2): 238–255. doi:10.1002/aqc.2390.
  41. ^ Parliament of Victoria (1975), National Parks Act 1975, State Government of Victoria
  42. ^ Briggs, S. V.; Thornton S. A; Lawler W. G (1997). "Relationships between hydrological control of River Red Gum wetlands and waterbird breeding". Emu. 97: 31–42. doi:10.1071/mu97003.
  43. ^ King, A.J.; Tonkin, Z.; Mahoney, J. (December 2009). "Environmental flow enhances native fish spawning and recruitment in the Murray River, Australia". River Research and Applications. 25 (10): 1205–1218. doi:10.1002/rra.1209. S2CID 38777514.
  44. ^ "Chapter 5: Threats to Australian biodiversity". Assessment of Australia's Terrestrial Biodiversity 2008 (PDF). Commonwealth of Australia: Department of Environment, Water, Heritage, and the Arts. 2007. p. 158.
  45. ^ "Feral horse management planning: Barmah". Parks Victoria. Retrieved 13 December 2018.
  46. ^ a b Becker, Joshua (8 October 2018). "Brumbies die of starvation in Snowy River as drought affects food, water supply". ABC Rural.
  47. ^ a b Cox, Lisa (26 October 2018). "Images of dead and starving brumbies prompt fresh calls for NSW cull". The Guardian. ISSN 0261-3077.
  48. ^ a b c d Caines, Kimberley (14 November 2018). "'It looks like a horse cemetery': Starving brumbies shot dead by authorities in Victoria's Barmah National Park". Nine News.
  49. ^ a b Martin, Melissa; Poole, Fiona (14 November 2018). "Dozens of brumbies found dead in national park". ABC News.
  50. ^ a b c Dobson, Mahalia (19 November 2018). "Preservation group claims brumbies have been left to starve in Barmah National Park". ABC Goulburn Murray.
  51. ^ Garrick, Matt (23 January 2019). "Dozens of feral horses found dead in dry Central Australian waterhole". ABC News.
  52. ^ a b Sanda, Dominica (2 May 2019). "Starving brumbies 'carving away' NSW park". The Canberra Times.
  53. ^ a b Mannix, Liam; Preiss, Benjamin (5 April 2019). "Parks Victoria plans to cull up to 600 wild horses in Barmah Forest". The Age.
  54. ^ a b c d e Dobson, Mahalia (8 April 2019). "Barmah brumby numbers to be cut by Parks Victoria in four-year plan". ABC Goulburn Murray.
  55. ^ a b Johnson, Blake (15 April 2019). "Brumbies cull: Battle over plan to kill hundreds of wild horses in Victoria". Seven News.

Further reading

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