population - Too Many People! Too much consuming! Frank and...

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Too Many People!!! Too much consuming!!!! “Frank and Earnest”, Bob and Tom Thames Biomass * Humans = 40 megatons of Carbon * Wild land vertebrates = 5 megatons. .. * Ocean vertebrates = 50 megatons. .. * Domestic vertebrates = 100 tons. .. We are 21% of vertebrate biomass. Including domestic vertebrates we are responsible for 72% of vertebrate biomass. We and our food are 97% of land vertebrates!
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1.5 Billion Cattle world wide. - They outweigh us! 1 million wildebeests (largest biomass of wild vertebrates) UN Food and Agriculture Organization found that “Cattle farming produces 18% of greenhouse gases” Why hasn’t world ecosystem collapsed already? • Insects thankfully outweigh all the vertebrates. • One acre of British pasture land held over 1,000,000,000 Arthropods of which nearly 400,000,000 were Insects and 666,000,000 were Mites the remaining 38,000,000 were Myriapods (Centipedes and Millipedes). • 20% of animal biomass is in social insects
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This note was uploaded on 03/11/2010 for the course GE CLST 70B taught by Professor Morris,m.r./friscia,a.r./moldwin,m.b./vanvalkenburgh,b during the Winter '10 term at UCLA.

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population - Too Many People! Too much consuming! Frank and...

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