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海岸带生物学与生物资... [4]
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李宝泉 [4]
陈琳琳 [2]
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期刊论文 [4]
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生物多样性 [2]
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收录类别:CSCD
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资助机构:美丽中国生态文明建设科技工程专项
文献类型:期刊论文
专题:海岸带生物学与生物资源保护实验室
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烟台养马岛潮间带大型底栖动物食物网结构特征
期刊论文
海洋与湖沼, 2020, 卷号: 51, 期号: 3, 页码: 467-476
作者:
刘春云
;
姜少玉
;
宋博
;
闫朗
;
张建设
;
李宝泉
;
陈琳琳
Adobe PDF(487Kb)
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浏览/下载:246/49
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提交时间:2021/12/01
潮间带
大型底栖动物
稳定同位素
营养级
黄河三角洲潮间带及近岸浅海大型底栖动物物种组成及长周期变化
期刊论文
生物多样性, 2020, 卷号: 28, 期号: 12, 页码: 1511-1522
作者:
李宝泉
;
姜少玉
;
吕卷章
;
陈琳琳
;
闫朗
;
刘春云
;
李晓静
;
宋博
;
李新正
Adobe PDF(2219Kb)
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浏览/下载:255/48
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提交时间:2021/12/01
黄河三角洲
生物多样性
湿地
大型底栖动物群落
物种组成
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
海洋学报, 2019, 卷号: 41, 期号: 4, 页码: 74-82
作者:
李宝泉
Adobe PDF(970Kb)
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浏览/下载:373/86
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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.
烟台牟平海洋牧场季节性低氧对大型底栖动物群落的生态效应
期刊论文
生物多样性, 2019, 卷号: 27, 期号: 2, 页码: 200-210
作者:
李宝泉
Adobe PDF(1354Kb)
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浏览/下载:567/106
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提交时间:2020/06/17
低氧
群落结构
群落恢复
敏感种
机会种
hypoxia
community structure
community recovery
sensitive species
opportunistic species
Hypoxia is a common phenomenon in the world's oceans, especially in the shallow waters of coastal zones. Rates of hypoxia are increasing due to global climatic changes and anthropogenic activities. Hypoxia can cause mass mortality of marine animals and can have severe negative impacts on marine ecosystems. To better understand the effects of hypoxia on macrobenthic communities, a survey was carried out in the Muping Marine Ranch (Yantai) during June, August and September of 2016. Results showed that seasonal hypoxia led to changes in benthic community structure, especially in terms of species composition and dominant species. The dominant species were Polychaeta Lumbrinereis latreilli, Sternaspis scutata and Mollusca Endopleura lubrica in summer. The opportunistic species Lumbrinereis latreilli increased, whereas, sensitive species such as Leptomya minuta, Glycera chirori, Upogebia major, Pontocrates altamarimus, Eriopisella sechellensis decreased during the hypoxic period of August. Hypoxia also reduced biodiversity indices. The effect of hypoxia on abundance and biomass were not significant, mainly because of the increase in the opportunistic Lumbrinereis latreilli, which counteracted the decline in abundance and biomass of other species. Individual physiological tolerance to hypoxia was different among species. Lumbrinereis latreilli showed higher tolerance to hypoxia in dissolved oxygen (DO) = 1.0 mg/L compared to other species. Some sensitive species, such as Leptomya minuta, Upogebia major, Pontocrates altamarimus and Eriopisella sechellensis showed lower tolerance when DO < 2.5 mg/L. When DO increased to 2.5 mg/L, the macrobenthic community start to recover gradually. The recovery extent and time needed were closely related to the degree of seasonal hypoxia.