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| 1 | The δ^(18)O variation of a stalagmite from Qixing Cave,Guizhou Province and indi-cated climate change during the Holocene显示文摘A stalagmite from Qixing Cave, Guizhou Province was dated with the TIMS U-series method and its oxygen isotope composition was analyzed. On the basis of the ages and the variations of the δ18O of the stalagmite, the climate change of the last 7.7 ka has been reconstructed in this area: 7.7-5.8 ka, summer monsoon maximum period; 5.8-3.8 ka summer monsoon weakening period; 3.8-0.15 ka, weakened summer monsoon and high amplitude climate fluctuations period. We put forward that the increasing trend of δ18O of the stalagmite reflected not only the weakening of the summer monsoon, which was caused by the decreasing of solar radiation in the Northern Hemisphere, but also the possibly decreasing contribution of the southwest monsoon to the rainfall of this area. These results are consistent with the output of the numerical climate-model modeling. The high amplitude fluctuation of the δ18O may imply the quick shift of the contributions of different moisture sources to the precipitation in this area. | CAI Yanjun, ZHANG Meiliang, PENG Zicheng, LIN Yushi, AN Zhisheng, ZHANG Zhaofeng & CAO YunningState Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi’an 710054, China Karst Dynamics Laboratory, Ministry of Land and Resources, Guilin 541003, China Department of Earth and Space Science, University of Science & Technology of China, Hefei 230023, China | 2001 | Chinese Science Bulletin2001，46，22： | 18 |
| 2 | Magnolol additive as a replacer of antibiotic enhances the growth performance of Linwu ducks显示文摘Magnolol rich in Magnolia officinalis is a bioactive polyphenolic compound. The aim of this study was to examine the effects of magnolol additive(MA) on growth performance, expression levels of antioxidantrelated genes, and intestinal mucosal morphology of Linwu ducks aged from 49 to 70 days, comparing with that of an antibiotic additive(colistin sulfate [CS]). A total of 275,49-day-old ducks were assigned to5 groups with 5 cages of 11 ducks each and fed diets supplemented with 0,100, 200 and 300 mg of MA/kg and 300 mg of CS/kg for 3 weeks, respectively. The results showed that the average daily body weight gain(ADG) was increased significantly in MA-fed groups(200 and 300 mg/kg), compared with the basal diet(BD) group(P < 0.05). The mRNA levels of superoxide dismutase-1(SOD1), manganese superoxide dismutase-2(MnSOD2) and catalase(CAT) were also increased significantly in MA groups(P < 0.05). In addition, hematoxylin and eosin staining revealed that Linwu ducks fed the diets with MA had more intact intestinal mucosa than those fed the BD and CS diets. In addition, ileal villus height, ileal villus height/crypt depth ratio(V/C) and duodenal V/C were also improved significantly(P < 0.05). Taken together, these data demonstrated that MA is an effective feed additive to enhance the growth performance of the Linwu ducks by improving the antioxidant and intestinal mucosal status, suggesting that MA will be a potential additive to replace antibiotic(CS). | Qian Lin Jianfei Zhao Kun Xie Yushi Wang Guili Hu Guitao Jiang Qiuzhong Dai Zhiyong Fan Jianhua He Xi He De-Xing Hou | 2017 | Animal Nutrition2017，，2： | 14 |
| 3 | The record of paleoclimatic change from stalagmites and the determination of termination II in the south of Guizhou Province, China显示文摘A high-resolution climate record from 163.00 kaBP to 113.80 kaBP has been obtained through TIMS-U series dating and carbon and oxygen isotope analysis of the three large stalagmites from two caves in the south of Guizhou Province, China. The record of the oxygen isotopes from the stalagmites reveals that the undulation characteristics between the cooling event of the glacial period and the warming event of the interglacial period in the research area can compare well to those of ice cores, lake sediments, loess and deep sea sediments on the scale of ten-thousand years or millennium time scale. The climate undulation provided by the record of the stalagmites has a coherence with the global changes and a tele-connection to the paleoclimate changes in the north polar region. Our results suggest that the direct dynamics of paleo-monsoon circulation changes reflected in the record of the stalagmites might be caused by changes of the global ice volume, and in turn related to various factors, including the solar radiation strength at the mid-latitudes in the Northern Hemisphere, the southern extension of the ice-rafted event in the North Atlantic, and changes of the equatorial Pacific sea surface temperature at the low-latitudes. Using δ18O values, we have calculated the temperatures and the results show that the temperature difference between the penultimate glacial period (with an average temperature of 8.1℃, and a minimum temperature range from 0.65℃ to -1.43℃ at stage 6 ) and the last interglacial period (with an average temperature of 18.24℃ at sub-stage 5e ) was about 10℃. This temperature difference from the record of the stalagmites corresponds in general to the record temperature variation (about 10℃) of measured ice cores. The climate records from the three stalagmites in the two caves have shown that the circulation strength of the Asian summer monsoon and the winter monsoon in the penultimate glacial period and the last interglacial period had a clear change. With the TIMS-U series method, termination II of the penultimate glacial period has been precisely dated at an age of (129.28±1.10) kaBP for the three stalagmites in the south of Guizhou Province, China. This borderline age represents the beginning of the last interglacial period or the boundary between the Middle Pleistocene and the Late Pleistocene, and corresponds to the beginning age of the last interglacial period shown by the ice cores and in the SPECMAP curve of the marine oxygen isotopes. The chronology determination of termination II is not only of stratigraphic and chronological significance, but also lays an important foundation for discussing the short time scales of climate oscillation and rapidly changing events of paleoclimate in the circulation region of the East Asian monsoon. | ZHANG Meiliang, YUAN Daoxian1, LIN Yushi, CHENG Hai, QIN Jiaming &ZHANG HuilingKarst Dynamics Laboratory, Institute of Karst Geology, Chinese Academy of Geological Sciences, Guilin 541004, China Geography Department, Minnesota University, MN 55455, USA Correspondence should be addressed to Zhang Meiliang | 2004 | Science China Earth Sciences2004，47，1： | 9 |
| 4 | A high-resolution, absolute-dated Holocene and deglacial Asian monsoon record from Dongge Cave, China显示文摘 | Carolyn A. Dykoski R. Lawrence Edwards Hai Cheng Daoxian Yuan Yanjun Cai Meiliang Zhang Yushi Lin Jiaming Qing Zhisheng An Justin Revenaugh | 2005 | Earth and Planetary Science Letters2005，，1： | 3 |
| 5 | The record of paleoclimatic change from stalacmites and the determination of termination Ⅱ the south of Guizhou province,China显示文摘 | Zhang Meiliang Lin Yushi Qin Jiaming | 2002 | Science in China Series D (in Chinese)2002，32，11： | 1 |
| 6 | A 6000-year high-resolution climatic record from a stalagmite in Xiangshui Cave,Guilin,China显示文摘 | Meiliang Zhang Daoxian Yuan Yushi Lin | 2004 | The Holocene2004，14，5： | 1 |
| 7 | A high-resolution,absolute-dated Holocene and deglacial Asian monsoon record from Dongge Cave,China显示文摘 | Dykoski C A Edwards R L Cheng Hai Yuan Daoxian Cai Yanjun Zhang Meiliang Lin Yushi Qing Jiaming An Zhisheng Revenangh J | | 0，，1： | 1 |
| 8 | Timing, duration, and transitions of the last interglacial Asian monsoon 显示文摘 | Yuan Daoxian Cheng Hai Edwards R L Dykoski C A Kelly M J Zhang Meiliang Qing Jiaming Lin Yushi Wang Yongjin Wu Jiangyin Dorale J A An Zhisheng Cai Yanjun | 2004 | Science2004，304，5670： | 1 |
| 9 | Oxygen and carbon isotopic characteristics of rainwater,drip water and presen t speleothems in a cave in Guilin and their environmental meanings显示文摘 | Li Bin Yuan Daoxian Lin Yushi | 2000 | Sc ience in China(Series D)2000，43，3： | 1 |
| 10 | Deep learning-based classification of hyperspectral data显示文摘 | Chen Yushi Lin Zhouhan Zhao Xing | 2014 | IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing2014，7，6： | 1 |
| 11 | Precise dating of abrupt shifts in the Asian monsoon during the last deglaciation based on stalagmite data from Yamen Cave,Guizhou Province,China显示文摘 | Yang Yan Yuan Daoxian Cheng Hai Zhang Meiliang Qin Jiaming Lin Yushi Zhu Xiaoyan Edwards R L | | 0，，： | 1 |
| 12 | Timing,duration,and transitions of the last interglacial Asian monsoon显示文摘 | Yuan Daoxian Cheng Hai Edwards R L Dykoski C A Kelly M J Zhang Meiliang Qing Jiaming Lin Yushi Wang Yongjin Wu Jiangying Dorale J A An Zhisheng Cai Yanjun | | 0，，： | 1 |
| 13 | Deep learn- ing-based classification of hyperspectral data 显示文摘 | CHEN Yushi LIN Zhouhan ZHAO Xing | 2014 | IEEE Journal of Selected Topics in Applied Earth Observations & Remote Sensing2014，7，6： | 1 |
| 14 | THE KARST FORMATION AND ENVIRONMENTS OF MESOZOIC-CENOZOIC IN GUILIN显示文摘Unique rocks are found infilling some karst fissures, caves, depressions (valleys), hill slope and niches in Guilin karst regions, such as breccia cemented by reddish calcareous and argillaceous materials; gray or grayishgreen calcareous mudstones; and grayish-black silty mudstones. The origins of the rocks were not clear because of the lack of systematical research. It | Lin Yushi,Deng Ziqiang,Liu Gongyu,Zhang Meiliang Institute of Karst Geology,CAGS Guilin,Guangxi,CHINA | 1992 | 中国岩溶1992，11，S1： | 0 |
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