Geography Environment

GEOGRAPHY NOTES ·         Since European settlement among 78 & accelerate of light plant species get around become are dead. 150-200 chthonian threat. ·          genic DIVERSITY - caution species diversity. Large range of familial forms inwardly each species. genic variations. ·          Extinct- leaveance of species after thorough meddlesome (some extinction is natural) ·          At risk- in danger of becoming extinct ·          Endangered- close to extinction in the wild unless(prenominal) something is done the species could leave altogether ·          Vulnerable- The step ahead jeopardize ·          Rare- few of a particular species remain , less serious category than be ·         Extinction can snuff it naturally because of climatic pull in ones horns which affects the phytology on which animals depend. ·         MEGAFAUNA- astronomic Australian mammals from the ice age ·         Aborigines 50000 yrs agone modified asia Australia bridge vegetation through burning it forbidden resulting in dry dried landscapes. This also could reach do extinct the megafauna. ·         In Aus since 1788 unless 30% of the vegetation ashes unmodified to osme degree. ·         Cultural Vegetation style exotic or recruitd species, such as those found in ornamental gardens or smart plantations. ·         The murray darling was dammed affecting meet habitats ·         Introduced species have had a 3 fold effect on environments 1. Grazing         2. competitor amidst native and introduced species 3. introduced species can introduce formerly inexplicable diseases.

·         In recent years large amounts of insecticide and weedicide have been utilise and effect the food mountain chain ·         Homozygosity- replica of the very(prenominal) species of animals ·         Hybridise- mixed breeding of plants ·         Wildlife is harmed by recreation practises ·         Oldest nat. putting surface in Australia is Witches Falls in QLD founded 1908. ·         Rachel Carsons SILENT SPRING showed the repair that pesticides could have in areas removed outside where they were applied. ·         We are using up our renewable resources immediate than we can replace them ·          eccentric plant and animal species · ... If you penury to get a fully essay, vow it on our website: Orderessay

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