st emilie’s banksia woodland
DESCRIPTION
St Emilie’s Banksia Woodland. South-west WA An international biodiversity hotspot (one of only 34 hotspots world-wide). What is a biodiversity hotspot? 1. the area must contain 1500 species that are endemic 2. must have lost at least 70% of its primary vegetation . SW WA has : - PowerPoint PPT PresentationTRANSCRIPT
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St Emilie’sBanksia Woodland
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South-west WAAn international biodiversity hotspot
(one of only 34 hotspots world-wide)
http://www.conservation.org/where/priority_areas/hotspots/asia-pacific/Southwest-Australia/Pages/default.aspx
What is a biodiversity hotspot?1. the area must contain 1500 species that are endemic2. must have lost at least 70% of its primary vegetation.
SW WA has:1. 2,948 species of plants2. Only 30% natural vegetation left.
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South-west WA
• SW Western Australia has a huge “endemic” biodiversity.
• It is an ancient landscape.• It is surrounded by desert
and oceans making it exist as an “island”.
• The climate is dry and the soils are low in nutrients.
• There has been extensive landclearing for wheat and sheep grazing.
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Perth’s Remnant Bushland
• Extensive clearing for houses, roads and industry on the Swan Coastal Plain.
• Lack of ecological linkages.
• Wetland system in the Canning Vale area.
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St Emilie’s Banksia Woodland
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Banksia – an ancient species
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St Emilie’s 3 Banksia SpeciesBanksia menziesii(wide leaves)
Banksia attenuata(thin leaves)
Banksia ilicifolia(holly leaf)
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Banksia menziesii
Compound flower
Woody seed cone
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Perth’s Bushland
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Bobtail lizard
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Carnaby’s Black Cockatoo
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Forest Red-tailed Black Cockatoo
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Grass Trees - Xanthorrhea