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Seasonality of Coas...
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Alegria Zufia, JavierLinnéuniversitetet,Institutionen för biologi och miljö (BOM),Ctr Ecol & Evolut Microbial Model Syst EEMiS;MPEA,EcoChange,Linnaeus University, Kalmar, Sweden
(author)
Seasonality of Coastal Picophytoplankton Growth, Nutrient Limitation, and Biomass Contribution
- Article/chapterEnglish2021
Publisher, publication year, extent ...
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2021-12-06
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Lausanne :Frontiers Media S.A.2021
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printrdacarrier
Numbers
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LIBRIS-ID:oai:DiVA.org:lnu-109655
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https://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-109655URI
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https://doi.org/10.3389/fmicb.2021.786590DOI
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https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-201820URI
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https://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-46472URI
Supplementary language notes
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Language:English
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Summary in:English
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Classification
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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Picophytoplankton in the Baltic Sea includes the simplest unicellular cyanoprokaryotes (Synechococcus/Cyanobium) and photosynthetic picoeukaryotes (PPE). Picophytoplankton are thought to be a key component of the phytoplankton community, but their seasonal dynamics and relationships with nutrients and temperature are largely unknown. We monitored pico- and larger phytoplankton at a coastal site in Kalmar Sound (K-Station) weekly during 2018. Among the cyanoprokaryotes, phycoerythrin-rich picocyanobacteria (PE-rich) dominated in spring and summer while phycocyanin-rich picocyanobacteria (PC-rich) dominated during autumn. PE-rich and PC-rich abundances peaked during summer (1.1 x 10(5) and 2.0 x 10(5) cells mL(-1)) while PPE reached highest abundances in spring (1.1 x 10(5) cells mL(-1)). PPE was the main contributor to the total phytoplankton biomass (up to 73%). To assess nutrient limitation, bioassays with combinations of nitrogen (NO3 or NH4) and phosphorus additions were performed. PE-rich and PC-rich growth was mainly limited by nitrogen, with a preference for NH4 at >15 degrees C. The three groups had distinct seasonal dynamics and different temperature ranges: 10 degrees C and 17-19 degrees C for PE-rich, 13-16 degrees C for PC-rich and 11-15 degrees C for PPE. We conclude that picophytoplankton contribute significantly to the carbon cycle in the coastal Baltic Sea and underscore the importance of investigating populations to assess the consequences of the combination of high temperature and NH4 in a future climate.
Subject headings and genre
Added entries (persons, corporate bodies, meetings, titles ...)
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Farnelid, Hanna,1983-Linnéuniversitetet,Institutionen för biologi och miljö (BOM),Vatten,Ctr Ecol & Evolut Microbial Model Syst EEMiS;MPEA,EcoChange,Linnaeus University, Kalmar, Sweden(Swepub:lnu)efaha
(author)
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Legrand, Catherine,Professor,1965-Högskolan i Halmstad,Linnéuniversitetet,Institutionen för biologi och miljö (BOM),Vatten,Halmstad University, Sweden,Ctr Ecol & Evolut Microbial Model Syst EEMiS;MPEA,EcoChange,Akademin för företagande, innovation och hållbarhet,Linnaeus University, Kalmar, Sweden(Swepub:hh)catleg
(author)
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LinnéuniversitetetInstitutionen för biologi och miljö (BOM)
(creator_code:org_t)
Related titles
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In:Frontiers in MicrobiologyLausanne : Frontiers Media S.A.121664-302X
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