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Domesticated crop richness in human subsistence cultivation systems: a test of macroecological and economic determinants |
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| Authors: | Jacob Freeman |
| Affiliation: | School of Human Evolution and Social Change, SHESC 233, PO Box 872402, Tempe, AZ 85287‐2402, USA |
| Abstract: | |
| Keywords: | Agricultural change crop diversity cultivation intensity diversity gradient habitat heterogeneity latitudinal gradient species diversity– energy |