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Crop Species Diversity Changes in the United States: 1978–2012
Anecdotal accounts regarding reduced US cropping system diversity have raised concerns about negative impacts of increasingly homogeneous cropping systems. However, formal analyses to document such changes are lacking. Using US Agriculture Census data, which are collected every five years, we quanti...
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| 出版年: | PLoS One |
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| 主要な著者: | , , , , , |
| フォーマット: | Artigo |
| 言語: | Inglês |
| 出版事項: |
Public Library of Science
2015
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| 主題: | |
| オンライン･アクセス: | https://ncbi.nlm.nih.gov/pmc/articles/PMC4550420/ https://ncbi.nlm.nih.gov/pubmed/26308552 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1371/journal.pone.0136580 |
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