Allocation of U.S. Biomass Production to Food, Feed, Fiber, Fuel and Exports

نویسندگان

چکیده

This paper analyzes the end uses—food, feed, fiber, fuel, and exports—of biomass production in U.S. 1997, 2002, 2007, 2012. They are also analyzed at state level Biomass is measured as human appropriation of net primary (HANPP), an ecological footprint carbon fixed through photosynthesis, derived from data on crop, timber grazing yields. HANPP was allocated to uses using publicly available sources Department Agriculture internet-based publishing agricultural trade. 717–834 megatons (MT) per year, which comprised 515–615 MT crop-based, 105–149 timber-based, 64–76 grazed HANPP. Livestock feed commanded largest proportion, but decreased 395 (50%) 305 (42%) all 320 240 (58–44%) crop-based The proportion exports stable 118–141 (17–18%) total 112–133 (21–23%) Biofiber 141 (18%) 97 (13%) Biofuel increased strongly 11 98 MT, 1% 14% 2% 18% HANPP, surpassing food biofiber by Direct 89–105 lowest 12–13% 17–18% highly fertile Midwest drought-prone Intermountain West stand out regions where a very small percentage direct food. high proportions nonfood consistent with tragedy ecosystem services commodification nature frameworks. Reducing these presents opportunities for improving services, security, well-being.

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ژورنال

عنوان ژورنال: Land

سال: 2023

ISSN: ['2073-445X']

DOI: https://doi.org/10.3390/land12030695