Taking a Bite out of Biodiversity. Machovina, B. & Feeley, K. J. Science, 343(6173):838, February, 2014. doi abstract bibtex [excerpt] In the Review '' Status and ecological effects of the world's largest carnivores'' (10 January, DOI: 10.1126/science.1241484), W. J. Ripple et al. claim that meat consumption by humans is one of many threats to carnivores and biodiversity. We argue that human carnivory is in fact the single greatest threat to overall biodiversity. Livestock production accounts for up to 75\,% of all agricultural lands and 30\,% of Earth's land surface, making it the single largest anthropogenic land use. Meat and feedstock production is rapidly rising in biodiversity-rich developing countries. [...] Substituting meat with soy protein could reduce total human biomass appropriation in 2050 by 94\,% below 2000 baseline levels and greatly reduce other environmental impacts related to use of water, fertilizer, fossil fuel, and biocides. [...] We argue that reducing and maintaining animal products to even 10\,% of the global human diet would enable the future global population to be fed on just the current area of agricultural lands. [...]
@article{machovinaTakingBiteOut2014,
title = {Taking a Bite out of Biodiversity},
author = {Machovina, Brian and Feeley, Kenneth J.},
year = {2014},
month = feb,
volume = {343},
pages = {838},
issn = {1095-9203},
doi = {10.1126/science.343.6173.838-a},
abstract = {[excerpt] In the Review '' Status and ecological effects of the world's largest carnivores'' (10 January, DOI: 10.1126/science.1241484), W. J. Ripple et al. claim that meat consumption by humans is one of many threats to carnivores and biodiversity. We argue that human carnivory is in fact the single greatest threat to overall biodiversity. Livestock production accounts for up to 75\,\% of all agricultural lands and 30\,\% of Earth's land surface, making it the single largest anthropogenic land use. Meat and feedstock production is rapidly rising in biodiversity-rich developing countries. [...] Substituting meat with soy protein could reduce total human biomass appropriation in 2050 by 94\,\% below 2000 baseline levels and greatly reduce other environmental impacts related to use of water, fertilizer, fossil fuel, and biocides. [...] We argue that reducing and maintaining animal products to even 10\,\% of the global human diet would enable the future global population to be fed on just the current area of agricultural lands. [...]},
journal = {Science},
keywords = {*imported-from-citeulike-INRMM,~INRMM-MiD:c-13056490,~to-add-doi-URL,agricultural-land,agricultural-policy,agricultural-resources,biodiversity,carnivores,environment-society-economy,food-security,global-scale,land-use,scenario-analysis},
lccn = {INRMM-MiD:c-13056490},
number = {6173}
}
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