Paintings

Australasia  •  Tropical and Subtropical Grasslands, Savannas, and Shrublands
	Kimberly tropical savanna The area’s open-range grazing system has led to cattle overgrazing the most productive and attractive pastures in the south. Still, the northern half of this ecoregion, North Kimberly, remains remote and uninhabited. However, some feral cattle are beginning to invade the area and damage vegetation.
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	Painting 00135	National Geographic's Wildworld

Australasia  •  Tropical and Subtropical Grasslands, Savannas, and Shrublands
	Mitchell grass downs Until recently, almost no land in this area was put aside for conservation, and the entire area was used as pasture. Overgrazing can devastate grasslands, and even controlled grazing can have a significant effect on vegetation. Livestock will eat palatable plant species more than others, upsetting the natural balance among species. In addition, permanent water set up for stock animals attracts birds, such as cockatoos, that can invade these areas where their range was previously restricted, once again disrupting natural patterns. Feral animals, the overpopulation of kangaroos, and invasive weeds are also continuing problems.
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	Painting 00136	National Geographic's Wildworld

Australasia  •  Tropical and Subtropical Grasslands, Savannas, and Shrublands
	Trans Fly savanna and grasslands More than 90 percent of this ecoregion is still intact. However, increased hunting, wildlife trade, agricultural development, and unsustainable forestry could pose threats in certain areas. The introduction of the non-native rusa deer has led to the destruction of grasslands. Furthermore, no survey has been conducted to determine whether the ecoregion’s existing protected areas adequately cover all habitats that are found here.
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	Painting 00137	National Geographic's Wildworld

Australasia  •  Tropical and Subtropical Grasslands, Savannas, and Shrublands
	Victoria Plains tropical savanna Land here is used mostly for cattle grazing and this region has some of the longest established cattle stations in northern Australia. Cattle grazing has led to overgrazing, land degradation, and harmful fire patterns. The natural vegetation has become thicker, with more woody vegetation as fire frequencies have decreased, halted by ranchers because fire is harmful to livestock. There are also large numbers of donkeys and other feral and introduced animals. Some small native mammals are suffering local extinctions or declines because of introduced species or loss of habitat.
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	Painting 00138	National Geographic's Wildworld

Australasia  •  Temperate Grasslands, Savannas, and Shrublands
	Cantebury-Otago tussock grasslands This ecoregion has largely been modified for pastoral use, and overgrazing, fires, and urban development are a concern. Feral and introduced animals, including introduced mammalian predators, have had a devastating effect on native wildlife and vegetation.
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	Painting 00139	National Geographic's Wildworld

Australasia  •  Temperate Grasslands, Savannas, and Shrublands
	Eastern Australia mulga shrublands Most of this land is used for sheep and cattle grazing. Sheep and cattle compete with native wildlife for food, and overgrazing damages vegetation. Feral animals such as foxes and cats prey upon wildlife. Introduced rabbits eat young mulga seedlings, seriously affecting the plants’ ability to regenerate.
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	Painting 0140	National Geographic's Wildworld

Australasia  •  Temperate Grasslands, Savannas, and Shrublands
	Southeast Australia temperate savanna This area has largely been converted for agriculture and grazing. Extensive wheat farms have replaced the vast grasslands of the Riverina area. The Murray and Murrumbidgee rivers are used in massive irrigation schemes, which has led to reduced native fish stocks and increased salinity. Feral and introduced animals are a serious problem.
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	Painting 0141	National Geographic's Wildworld

Australasia  •  Montane Grasslands and Shrublands
	Australian Alps montane grasslands The delicate alpine plants here face no serious threats because they are wholly protected by national parks. Threats in this region include increased tourism and development and waste disposal. At lower altitudes, introduced plants, domestic livestock grazing, feral and introduced animals, commercial agriculture, and forestry operations are growing problems.
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	Painting 0142	National Geographic's Wildworld

Australasia  •  Montane Grasslands and Shrublands
	Central Range sub-alpine grasslands More than 45 percent of this ecoregion lies in formally protected areas. However, no analysis has ever been performed to determine whether these areas adequately protect all of the ecoregion’s habitats. Mining exploration, and the increased access to sensitive areas that this activity provides, has become a significant threat to this alpine ecoregion. Human visitation has increased pollution and litter as well.
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	Painting 0143	National Geographic's Wildworld

Australasia  •  Montane Grasslands and Shrublands
	Southland montane grasslands A great deal of this ecoregion has been modified for pastoral use and human settlement. Fires threaten native vegetation, and feral and introduced animals have a devastating effect on native wildlife and vegetation.
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	Painting 0144	National Geographic's Wildworld

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