共查询到20条相似文献,搜索用时 14 毫秒
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Lewis SL Brando PM Phillips OL van der Heijden GM Nepstad D 《Science (New York, N.Y.)》2011,331(6017):554
In 2010, dry-season rainfall was low across Amazonia, with apparent similarities to the major 2005 drought. We analyzed a decade of satellite-derived rainfall data to compare both events. Standardized anomalies of dry-season rainfall showed that 57% of Amazonia had low rainfall in 2010 as compared with 37% in 2005 (≤-1 standard deviation from long-term mean). By using relationships between drying and forest biomass responses measured for 2005, we predict the impact of the 2010 drought as 2.2 × 10(15) grams of carbon [95% confidence intervals (CIs) are 1.2 and 3.4], largely longer-term committed emissions from drought-induced tree deaths, compared with 1.6 × 10(15) grams of carbon (CIs 0.8 and 2.6) for the 2005 event. 相似文献
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The completion of the Arabidopsis sequence will be followed by a new ten-year project that will determine the function of all angiosperm genes. Funding for the U.S. component of this multinational project will originate from a new initiative from the U.S. National Science Foundation called the 2010 Project. Progress toward completion of this ambitious project will necessitate significant changes in how the plant biology community selects and approaches research objectives. The plan envisions that the project will facilitate the development of a computational model of a virtual plant that will allow predictive queries about basic mechanisms underlying plant growth and development. 相似文献
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低碳生活方式无处不在,我们的家——最温暖贴心的港湾,岂能例外?其实小的空间经过你的巧手改造,也会变得大方哦!简单的生活就是最美的生活。我们来给大家展示一下美国2010小空间创意设计大赛的部分优秀作品。看看这些公寓疗法的达人们是怎样用绿色的理念来把家变得更加完美的。快来欣赏一下,看看哪个是你中意的? 相似文献
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2010年度(2009年12月至2010年11月)浙江省年平均气温偏高;浙北大部地区和浙中南年降水量偏多;大部地区年日照时数偏少。雨雪冰冻、倒春寒、连阴雨、暴雨、夏季高温等农业气象灾害,对农业生产造成了一定的影响,属正常略偏差年景。冬春季以及梅雨期间雨雪冰冻影响大,阴雨天气多,光照不足,出梅后光温水条件正常,阶段性高温和台风对农业生产影响不大。 相似文献
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龙亮 《湖南农业大学学报(自然科学版)》2005,31(3):335-337
根据刨床加工工艺特征,采用艾默生公司TD3000变频器、三菱可编程器和Easyview触摸屏组成控制系统,把B2010A龙门刨床原直流驱动改造为交流驱动.改造后机床节电效果明显,工作环境得到优化,稳定性大大提高,故障率大大降低。 相似文献
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对2009年国内小麦价格走势做了简要回顾。重点分析了影响2009年国内小麦市场的两大关键因素——最低收购价小麦购销和国家临时存储进口小麦竞价交易。对中国小麦进出口贸易和世界小麦市场基本状况进行了综合描述。最后,对2010年中国小麦市场分三个阶段做了初步预测。 相似文献
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Balmford A Bennun L Brink BT Cooper D Côte IM Crane P Dobson A Dudley N Dutton I Green RE Gregory RD Harrison J Kennedy ET Kremen C Leader-Williams N Lovejoy TE Mace G May R Mayaux P Morling P Phillips J Redford K Ricketts TH Rodríguez JP Sanjayan M Schei PJ van Jaarsveld AS Walther BA 《Science (New York, N.Y.)》2005,307(5707):212-213
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