机构

• 沈阳应用生态研究所 [2]
• 上海药物研究所 [1]
• 烟台海岸带研究所 [1]

采集方式

• OAI收割 [4]

内容类型

• 期刊论文 [4]

发表日期

• 2019 [1]
• 2012 [1]
• 2007 [2]

学科主题

筛选

浏览/检索结果: 共4条，第1-4条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择提交时间升序提交时间降序作者升序作者降序题名升序题名降序发表日期升序发表日期降序 碳氮稳定同位素比值在潮间带大型底栖动物组织间差异性研究 期刊论文  OAI收割 海洋学报, 2019, 卷号: 41, 期号: 4, 页码: 74-82 作者:  李宝泉   |  收藏  |  浏览/下载：50/0  |  提交时间：2020/06/17 潮间带  大型底栖动物  碳氮稳定同位素  食源和营养级分析  采样部位选取  intertidal zone  macrobenthos  carbon and nitrogen stable isotopes  food sources and trophic levels study,sampling parts  The technique of stable isotope analysis has been widely applied for the field of food web studies in recent years.However,few researches concerned about the impacts of different tissues used for analysis on the food web building.With the purpose of accuracy and comparability in the food web studies,the sampling tissues should be standardized.In this study,10macrobenthic species from the intertidal zone of the Yellow River Delta and Yantai were chosen as the target object to test the isotopic characteristic variations ofdelta~(13)C anddelta15 N at different body parts (whole bodies,muscles and gills).Our results show thatdelta~(13)C anddelta15 N values vary in different sampling tissues for most species,which indicates the different tissues used for analysis impact the food web building.To achieve a more accuracy and comparability result,suitable tissue should be primarily chosen for their food sources and trophic levels analysis.Namely,when the organism as predator,their muscles should first be chosen,for examples,adductor and foot muscles of mollusks,leg muscles of crabs and back muscles of fishes  when the organism as prey, most of their tissues,except for indigestible part(for polychaetes,the digestive tract contents should be removed) should be chosen for analysis on food sources and trophic levels of the secondary consumer,for example,whole soft parts of mollusks,the mixture of muscles and gills of crabs.   中国南海软体动物及其食源生物的化学、化学生态学和生物活性研究 期刊论文  OAI收割 上海医药, 2012, 卷号: 33, 期号: 09, 页码: 2-7+15 作者:  张文;  郭跃伟   |  收藏  |  浏览/下载：32/0  |  提交时间：2019/01/08 海洋软体动物  食源生物  次生代谢产物  化学生态学  生物活性   植物生殖物候研究进展 期刊论文  OAI收割 生态学报, 2007, 期号: 03, 页码: 1226-1232 作者:  刘志民   |  收藏  |  浏览/下载：24/0  |  提交时间：2011/05/05 物种  群落  系统发生  可塑性  气候变化  动物食源  花粉过敏  生物保护  植被管理  控制实验   植物生殖物候研究进展 期刊论文  OAI收割 生态学报, 2007, 期号: 03, 页码: 1226-1232 刘志民; 蒋德明 收藏  |  浏览/下载：13/0  |  提交时间：2011/05/05 物种  群落  系统发生  可塑性  气候变化  动物食源  花粉过敏  生物保护  植被管理  控制实验