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您的检索式：作者名="Melissa RITCHEY"
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| 1 | 中国中北部地区黄土高原东部新石器晚期-青铜时代不同地貌单元农业发展模式的时空变化显示文摘古人类居住环境和农业发展与当地的地貌环境与气候环境密切相关.然而,不同地貌环境和气候背景下的史前农业发展时空模式依然不清楚.文章通过对山西省滹沱河流域34个新石器晚期-青铜时代的遗址进行植物考古研究和碳十四年代分析,同时对比山西省涑水河流域及河南省地区已发表的植物考古结果,探讨了中国中北部地区不同地貌和气候环境下农业发展模式的异同.结果显示,虽然小麦和大麦在4000a BP前后已传入滹沱河流域,但先民在庙底沟文化(6500~5700cal.a BP)至商周时期(3600~2256cal.a BP)的农业模式一直是以种植粟黍为主的北方旱作农业.滹沱河流域、涑水河流域以及河南省一些地区的气候和浅山丘陵地貌条件仅能支持先民在7000~3000a BP期间发展以种植粟黍为主的北方旱作农业.然而,河南省一些其他地区的气候和冲积平原地貌条件却能够促使先民在7000~4000a BP期间发展以种植粟、黍、水稻和大豆为主的混合农业,在4000~3000a BP期间小麦作物也成为其中之一.三个地区先民不同的农业技术创新和对外来文化的接纳程度可能也是三个地区形成不同农业发展模式的原因.7000~3000a BP期间人口爆炸式增长可能是三个地区先民主要种植高产的粟作物而不是低产的黍作物的原因.然而,滹沱河流域炭化黍出土比例较高(相对涑水河流域和河南省地区)反映了其良好的抗旱性,代表了河谷地貌的一种农业适应模式. | 黎海明 崔一付 JAMES Nathaniel RITCHEY Melissa 刘峰文 张俊娜 马敏敏 董广辉 | 2022 | 中国科学:地球科学2022，52，6： | 2 |
| 2 | Spatiotemporal variation of agricultural patterns in different geomorphologic and climatic environments in the eastern Loess Plateau,north-central China during the late Neolithic and Bronze Ages显示文摘Human settlement and agricultural development are closely linked to local geomorphological and climatic environments.However,the variation in agricultural systems in different environmental and prehistoric contexts remains unknown.We report new archaeobotanical and radiocarbon dates from 34 Neolithic and Bronze Age sites in the Hutuo River Valley(HTRV)in north-central China and compare them with updated archaeobotanical studies in the Sushui River Valley(SSRV)and Henan Province(HNP),to explore the similarities and differences of agricultural patterns under different geomorphologic and climatic environments in north-central China.Our results reveal that humans consistently cultivated foxtail and broomcorn millet in the HTRV from the Miaodigou(6000–5700 cal.a BP)to the Shang-Zhou(3600–2256 cal.a BP)period,despite the introduction of wheat and barley into the area around 4000 a BP.Climate conditions and hilly landforms in the HTRV,SSRV and some parts of the HNP led people to develop foxtail and broomcorn millet dry land farming practices between 7000 and 3000 a BP.Alternatively,in other areas of the HNP,the climate conditions and alluvial plains enabled people to develop a mixed agriculture of millets,soybeans,and rice from 7000 to 4000 a BP,with the addition of wheat between 4000 and 3000 a BP.Farmers’different agricultural technologies and interactions with foreign cultures may have also influenced the formation of different agricultural patterns in the three regions between 7000 and 3000 a BP.Population growth during 7000–3000 a BP can explain the overall propensity of the higher-yield foxtail millet rather than broomcorn millet as the main cultivated crop.In the HTRV,however,higher proportions of broomcorn millet(as compared to the SSRV and HNP),may reflect the greater drought and heat tolerance of broomcorn millet,representing an adaptive agricultural strategy in the river valley. | Haiming LI Yifu CUI Nathaniel JAMES Melissa RITCHEY Fengwen LIU Junna ZHANG Minmin MA Guanghui DONG | 2022 | Science China Earth Sciences2022，65，5： | 0 |
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