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| 1 | The Development of a Geographic Information System(GIS) Database for Jiuzhaigou National Nature Reserve and Its Application显示文摘The objective of this paper is to develop a GIS(Geographic Information System) database for Jiuzhaigou National Nature Reserve(Jiuzhaigou,hereafter) in China and demonstrate its application as a research tool.A cost-effective procedure was developed to compile a variety of geographical and biological data of the study area in terms of popular GIS format such as shape files.These files were further calibrated and validated using field surveys data.The developed GIS database was used to quantify the distributions of the wildlife(amphibians,mammals,and birds) using the distances of the wildlife to the centerline of the bus-tour routes.The Pearson correlation coefficient was used to quantify the correlation in space between pairs of different wildlife using the number of habitats for given space contexts.An ArcObject-based macro was developed to perform the analysis.The results showed the majority of the habitats of wildlife are located in the proximity of the tour-bus routes with an average distance ranging from 564 to 894 m depending on types of wildlife.This indicates a possibility of the disturbance to the wildlife by human activities.The correlation coefficient of the wildlife ranged from 0.36 to 0.64 depending on pairs of wildlife,indicating some correlations in space.However,due to the limited sample size,the statistical significances need to be further investigated.This paper has successfully demonstrated the use of the GIS-based database as a research tool for environmental study. | DI Bao-feng ZHANG Kai-shan TANG Ya ZHANG Ming-hua Susan L.USTIN | 2013 | Journal of Mountain Science2013，10，3： | 3 |
| 2 | 温度对裂片石莼生长及叶绿素荧光特性的影响显示文摘旨在研究裂片石莼(Ulva fasciata Delile)对温度适应机制,将藻体于5℃、10℃、15℃、20℃、25℃、30℃、33℃、35℃培养7 d,再经过25℃培养2 d,通过测定不同温度下裂片石莼的生长变化、叶绿素含量、叶绿素荧参数及25℃再培养后叶绿素荧光参数探讨不同温度对裂片石莼的影响。结果显示,25℃培养的藻体的生长、叶绿素含量、叶绿素荧光参数(F_v/F_m、F_v'/F_m'、α、q P)等最大;随着温度的升高或者降低,各项生理指标逐渐降低,而非光化学淬灭系数NPQ随着温度增大或者降低逐渐升高,10℃培养最大,5℃、35℃条件下的各项生理指标最低。5℃、10℃、15℃、20℃、30℃下的藻体经过25℃培养2 d后F_v/F_m、F_v'/F_m'都有所提高,10℃培养后的藻体提高最大,33℃、35℃再培养后F_v/F_m、F_v'/F_m'几乎没有变化。研究表明,裂片石莼生长和光合作的最适温度范围为15℃-30℃,5℃和35℃分别为其最高和最低耐受温度,裂片石莼对低温的耐受性大于高温。 | 黄艳花 杨锐 孙庆海 | 2016 | 生物技术通报2016，32，7： | 2 |
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