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European rabbits in Victoria's Wetlands (Effects on ecosystem (Degrade…
European rabbits in Victoria's Wetlands
Effects on ecosystem
Degrade cultural value of wetlands
Contribute to water quality impacts
Disturb riparian soils
Encourage weeds
Grazing on native plants
Invasive Species
Has impacts on ecological communities
effected 9 endangered communities
Impacts on native fauna
73 species effected
blamed for disappearance of threatened species
Bandicoots
Beetongs
Bilbies
Quolls
Impacts on native flora
206 plant species effected
competition
Plants that suffer
Cynanchum elegans
Thesian austral
Grevillea kennedyana
Lepidium hyssopifolium
Acacia carneorum
Animals that suffer
Yellow-footed rock wallaby
Brush-tailed rock wallaby
Southern hairy nosed wombat
Breeding
Reproduce an time of year
gestation lasts 1 month
5-6 per litter
Can live for up to 7 years
Abiotic factors of ecosystem
Climatic (weather)
Wind
Rain
Air temp
Edaphic (soil)
Geography
Soil temp
Moisture level
pH level
aeration
Habitat
Require suitable soils to burrow
Build warrens (the burrows)
Mediterranean climates :
Stony desert
Sub tropical grasslands
Subalpine regions
Wet costal plains
Ecological Niche
small grazing animal with high reproductive rates
Primary consumers
Bottom of food chain
More of them
Herbivores
Constant grazing and digging
control growth of local plants
Management plans
Not very effective
Increase in genetic resistance to:
Myxomatosis
RHDV