population climate distribution change migration cyclone hazards management bangladesh deposition river flood rain tourism demographic transition model global ecosystem urban ratios dependancy plant succession globalisation bratislava rio ecosystems boserup malthus statistics sparse dense national settlement protocol montreal cfcs hole depletion ozone nino la nina enso acid. pollution island heat microclimate warming effect greenhouse ethiopia africa drought tornado sidra watershed mouth source basin drainage replenishment beach revetments groynes bay headland stack arch cave beaches bars spits drift shore long weathering erosion transportation geology geomorphology danube hydrograph map work pull push model rome club capacity carrying overpopulation darfur displaced resources refugee capital canopy conservation medcs ageing populations harvard system footnotes extended essay referencing communications conainerization front relief convection precipitation tourism impacts leisure relationship correlation spearmans rank weather population pyramid population explosion death rate birth rate population change demographic popualation gersmehl soil nutrient cycle litter biomass negative feedback positive feedback dynamic equilibrium ecumene density favela natural growth fertility mortality development sustainable farming ecuador earthquakes igcse revision journey adventurous food janeiro city hurricane typhoon mexico usa youthful populations ledcs mcdonalds starbucks internet transnational corporation multinational company photosynthesis energy food chain food web producers consumers trophic levels biodiversity abiotic biotic biome nich approach systems soya grosso mato amazon altitude vegetation broads norfolk cotopaxi volcano volcanoes plate tectonic theory kashmir kobe situation site use land hierarchy dispersed nucleated linear award international equipment clothing water oil ehrlich simon obesity famine hunger resrouces rocinha scheme help self urbanisation zone coral reefs slum shanty town russian steppe
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