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来自大西洋北极地区的棘胞领鞭毛虫——一项基线研究。

Acanthoecid choanoflagellates from the Atlantic Arctic Region - a baseline study.

作者信息

Thomsen Helge Abildhauge, Østergaard Jette Buch

机构信息

National Institute of Aquatic Resources (DTU Aqua), Technical University of Denmark, Kemitorvet, Bygning 101, DK 2800 Kgs. Lyngby, Denmark.

Nørrebrogade 52a 5th, 2200 Copenhagen N, Denmark.

出版信息

Heliyon. 2017 Jul 31;3(7):e00345. doi: 10.1016/j.heliyon.2017.e00345. eCollection 2017 Jul.

DOI:10.1016/j.heliyon.2017.e00345
PMID:28795157
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5541139/
Abstract

The examination and statistical analysis of loricate choanoflagellate material collected from Greenland waters during the period 1988-1998 represents a de facto baseline study of heterotrophic nanoflagellates from the Atlantic Arctic Region. The geographic sites sampled are Disko Bay (West Greenland) and the high-arctic North-East Water (NEW) and North Water (NOW) polynya. The analyses encompass close to 50 taxa. Some of these are described as new species, i.e. , and . Two distinct clusters of species that are separated in time and space occur at all three sampling sites. A PCA analysis of NEW and NOW data points to that one community is linked to e.g. an early season high nutrient and low phytoplankton biomass scenario, whereas the other is predominant when nutrient levels are exhausted and the phytoplankton biomass high or declining. The material additionally allows for a comprehensive examination of e.g. the morphological variability encountered, as well as puts on record bimodal size variability within a number of species.

摘要

对1988 - 1998年期间从格陵兰海域采集的有壳领鞭毛虫材料进行的检查和统计分析，实际上是对来自大西洋北极地区异养纳米鞭毛虫的一项基线研究。采样的地理地点是迪斯科湾（西格陵兰）以及高北极地区的东北水（NEW）和北水（NOW）冰间湖。分析涵盖了近50个分类单元。其中一些被描述为新物种，即 和 。在所有三个采样地点都出现了在时间和空间上分离的两个不同的物种集群。对NEW和NOW数据点的主成分分析表明，一个群落与例如早期高营养和低浮游植物生物量的情景相关，而另一个在营养水平耗尽且浮游植物生物量高或下降时占主导。这些材料还允许对例如所遇到的形态变异性进行全面检查，并记录了许多物种内的双峰大小变异性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7169/5541139/b76efb8de092/gr26.jpg
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