Primary and Bacterial Production in the Bransfield Strait (Antarctica) in Summer

被引：0
|
作者：
S. A. Mosharov
I. V. Mosharova
D. I. Frey
A. M. Seliverstova
A. A. Latushkin
S. V. Gontarev
机构：
[1] Shirshov Institute of Oceanology,
[2] Russian Academy of Science,undefined
[3] Bauman Moscow State Technical University,undefined
[4] Moscow State University,undefined
[5] Department of Biology,undefined
[6] Marine Hydrophysical Institute,undefined
[7] Russian Academy of Sciences,undefined
来源：
Oceanology | 2023年 / 63卷
关键词：
Primary production; heterotrophic bacterial production; active chlorophyll ; fluorescence; Bransfield Strait; Antarctica;
D O I：
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中图分类号：
学科分类号：
摘要：
Abstract—The paper discusses the spatial distribution of the main parameters of primary production in the Bransfield Strait in the austral summer. The integrated primary production in the strait varied from 435 to 741 mgC m–2 day–1. The share of primary production in the total production of phyto- and bacterioplankton in the upper 10 m layer was 82–91%. Potential photosynthetic capacity (Fv/Fm) was high within the euphotic layer (0.418–0.749) throughout the area. The production parameters in the two main water masses in the strait did not differ. Photosynthetic efficiency (the ratio of the assimilation number and the relative electron transport rate, AN/rETR) varied in different subregions of the study area by almost six times.
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页码：523 / 535
页数：12
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