Spatial distributions and seasonality of four Calanus species in the Northeast Atlantic
Spatial distributions and seasonality of four Calanus species in the Northeast Atlantic
复制标题
东北大西洋四种哲水藻的空间分布和季节性
DOI：
10.1016/j.pocean.2020.102344
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发表时间：
2020
影响因子：
4.1
通讯作者：
Strand E
中科院分区：
文献类型：
--
作者：
Strand E
根据2008-2016年连续浮游生物记录仪(CPR)的逐月调查资料，分析了东北大西洋4种Calanus近地表物种丰度的空间和季节格局。冰川代表不同的生态系统和水团，具有不同的海洋学特性和来源。因此，这些物种被认为是气候变化研究中的指示物种。挪威和联合王国之间的南部样带代表北海北部，中央样带横跨挪威海和冰岛海，而挪威和斯瓦尔巴群岛之间的北部样带横跨巴伦支海的入口处。HelGolandicus主要局限于北海北部，但也有记载在挪威海下游，直到北边的巴伦支海入海口。FC的比率。哈戈兰德·库斯托。鉴于海水温度的持续上升，北海北部和挪威海南部的鱼类丰度预计将增加。冰川化主要与冰岛和挪威海以及斯瓦尔巴群岛以南受北极水域影响的地区有关。在挪威海中部的大西洋水团中，出现了独特的第二代OFC。发现了晚秋较老阶段的Finmarchicus具有惊人的高密度。在沿海水域中，两代或更多代的FC。在北极水域，只出现了一代人。年轻C。第一代一年生的Finmarchicus在沿海的时间比大西洋和北极水域早。两者的温度生态位的上限范围。超广谱利用和C.冰川化的温度在7摄氏度左右，然而，研究区域内的冰川化高峰期是4月冰岛海北极水域的1-2摄氏度。7月，北冰洋巴伦支海的温度约为5摄氏度。所有水团中均存在冰盖藻类，6月份出现的最高温度为6℃左右。冰岛和挪威海春季北极水域中的超级细菌。在北海北部的赫戈兰迪乌斯，生物量可以与FC相当或超过。菲马奇科斯。
This paper analyses spatial and seasonal patterns for near-surface abundances of fourCalanusspecies in the Northeast Atlantic based on monthly Continuous Plankton Recorder (CPR) Survey data collected during 2008–2016.C. finmarchicus,C. helgolandicus,C. hyperboreusandC. glacialisrepresent different ecosystems, and water masses with differing oceanographic properties and origins. Hence, these are considered as indicator species in climate change studies. A southern transect between Norway and the United Kingdom represented the northern North Sea, a central transect crossed the Norwegian and Iceland Seas, while a northern transect between Norway and Svalbard crossed the entrance to the Barents Sea.C. finmarchicuswas prevalent everywhere, whileC. helgolandicuswas mainly confined to the northern North Sea though also documented downstream in the Norwegian Sea as far north as the entrance to the Barents Sea. The ratio ofC. helgolandicustoC. finmarchicusabundances is expected to increase in the northern North Sea and southern Norwegian Sea given continued increases in seawater temperature.C. hyperboreusandC. glacialiswere mainly associated with regions influenced by Arctic waters in the Iceland and Norwegian Seas, and south of Svalbard, respectively. Within Atlantic water masses in the central Norwegian Sea, a distinct second generation ofC. finmarchicuswith surprisingly high late-autumn concentrations of older stages were found. In Coastal water, two or more generations ofC. finmarchicusoccurred, while only one generation was evident in Arctic waters. YoungC. finmarchicusof the first annual generation showed an earlier timing in Coastal than Atlantic and Arctic waters. The upper range of the temperature niche for bothC. hyperboreusandC. glacialiswas found to be around 7 °C. However, the peak occurrence within the study area was in 1–2 °C in Arctic water in the Iceland Sea in April forC. hyperboreus, while around 5 °C in Barents Sea Arctic water in July forC. glacialis.C. finmarchicuswas present in all water masses with a peak occurrence in June at around 6 °C.C. finmarchicusgenerally dominated theCalanus-biomass, butC. hyperboreusin Arctic water in the Iceland and Norwegian Seas in spring, andC. helgolandicusin the northern North Sea, could match or exceed the biomass ofC. finmarchicus.
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影响因子：
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作者：
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DOI：
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发表时间：
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