Convergent evolution and parallelism in plant domestication revealed by an expanding archaeological record

Dorian Q Fuller; Tim Denham; Manuel Arroyo-KalinLeilani LucasChris J. StevensLing QinRobin G. AllabyMichael D. Purugganan

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Convergent evolution and parallelism in plant domestication revealed by an expanding archaeological record

机译：Convergent evolution and parallelism in plant domestication revealed by an expanding archaeological record

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Recent increases in archaeobotanical evidence offer insights into the processes of plant domestication and agricultural origins, which evolved in parallel in several world regions. Many different crop species underwent convergent evolution and acquired domestication syndrome traits. For a growing number of seed crop species, these traits can be quantified by proxy from archaeological evidence, providing measures of the rates of change during domestication. Among domestication traits, nonshattering cereal ears evolved more quickly in general than seed size. Nevertheless, most domestication traits show similarly slow rates of phenotypic change over several centuries to millennia, and these rates were similar across different regions of origin. Crops reproduced vegetatively, including tubers and many fruit trees, are less easily documented in terms of morphological domestication, but multiple lines of evidence outline some patterns in the development of vegecultural systems across the New World and Old World tropics. Pathways to plant domestication can also be compared in terms of the cultural and economic factors occurring at the start of the process. Whereas agricultural societies have tended to converge on higher population densities and sedentism, in some instances cultivation began among sedentary hunter–gatherers whereas more often it was initiated by mobile societies of hunter–gatherers or herder–gatherers.

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《Proceedings of the National Academy of Sciences of the United States of America》 |2014年第17期|6147-6152|共6页
作者
Dorian Q Fuller; Tim Denham; Manuel Arroyo-KalinLeilani LucasChris J. StevensLing QinRobin G. AllabyMichael D. Purugganan;
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作者单位

Institute of Archaeology, University College London, London WC1H OPY, United Kingdom;

School of Archaeology and Anthropology, Australian National University, Canberra, ACT 0200, Australia;

School of Archaeology and Museology, Peking University, Beijing 100871, ChinaSchool of Life Sciences, University of Warwick, Warwick CV35 9EF, United KingdomDepartment of Biology, New York University, New York, NY 10003;

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收录信息美国《科学引文索引》(SCI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
原文格式 PDF
正文语种英语
中图分类自然科学总论;
关键词
archaeobotany; Neolithic; agriculture; archaeology; vegeculture;

Convergent evolution and parallelism in plant domestication revealed by an expanding archaeological record

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