publication . Article . Other literature type . 2004

Global patterns in human consumption of net primary production

Marc L. Imhoff; Lahouari Bounoua; Taylor Ricketts; Colby Loucks; Robert Harriss; William T. Lawrence;
Open Access
  • Published: 01 Jun 2004
The human population and its consumption profoundly affect the Earth's ecosystems1,2. A particularly compelling measure of humanity's cumulative impact is the fraction of the planet's net primary production that we appropriate for our own use3,4. Net primary production—the net amount of solar energy converted to plant organic matter through photosynthesis—can be measured in units of elemental carbon and represents the primary food energy source for the world's ecosystems. Human appropriation of net primary production, apart from leaving less for other species to use, alters the composition of the atmosphere5, levels of biodiversity6, energy flows within food web...
free text keywords: Multidisciplinary, Biodiversity, Natural resource economics, Ecosystem, Food energy, Primary production, Environmental science, Ecology, Balance sheet, Population, education.field_of_study, education, Solar energy, business.industry, business, Food chain
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Article . 2004
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