Impact of Aerosols (Saharan Dust and Mixed) on the East Mediterranean Oligotrophic Ecosystem; Results from Experimental Studies

In oligotrophic environments, dust and nutrient inputs via atmospheric routes are considered important sources of macro-nutrients and micro-trace metals fuelling primary and secondary production. Yet, the impact of these dust inputs on the microbial populations is not fully investigated in the Easte...

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Автори: Barak Herut, Paraskevi Pitta, Tatiana M. Tsagaraki
Формат: Online
Мова:Англійська
Опубліковано: Frontiers Media SA 2021
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Онлайн доступ:25623
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author Barak Herut
Paraskevi Pitta
Tatiana M. Tsagaraki
author_browse Barak Herut
Paraskevi Pitta
Tatiana M. Tsagaraki
author_facet Barak Herut
Paraskevi Pitta
Tatiana M. Tsagaraki
author_sort Barak Herut
collection Directory of Open Access Books
description In oligotrophic environments, dust and nutrient inputs via atmospheric routes are considered important sources of macro-nutrients and micro-trace metals fuelling primary and secondary production. Yet, the impact of these dust inputs on the microbial populations is not fully investigated in the Eastern Mediterranean Sea (EMS). The response of oligotrophic systems to dust inputs, whether as positive or negative feedbacks to autotrophic and heterotrophic production and thus to biogeochemical cycling, is important to examine further. Experimental studies have explored nutrient additions in various combinations to determine the limiting resource to productivity or N2 fixation. Recent experimental studies have applied dust enrichments to bottle or mesocosm incubations of seawater from different oceanic regions. This research topic presents two Eastern Mediterranean dust addition mesocosm experiments using, for the first time, real aerosol additions, pure Saharan dust and mixed aerosols (a natural mixture of desert dust and polluted European particles), as well as other EMS aerosol experimental studies. The Topic includes manuscripts introducing results on: a) the impact of Saharan dust vs mixed aerosols on the autotrophic and heterotrophic surface microbial populations in the EMS, b) the impact of single vs multi-pulses of Saharan dust introduction into the pelagic environment of the EMS and c) other experimental studies of aerosol impacts on the EMS ecosystem.
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spelling doab-20.500.12854ir-499962022-01-31T11:50:37Z Impact of Aerosols (Saharan Dust and Mixed) on the East Mediterranean Oligotrophic Ecosystem; Results from Experimental Studies Barak Herut Paraskevi Pitta Tatiana M. Tsagaraki GC1-1581 Q1-390 Saharan dust planktonic food web aerosols Eastern Mediterranean mesocosm experiments In oligotrophic environments, dust and nutrient inputs via atmospheric routes are considered important sources of macro-nutrients and micro-trace metals fuelling primary and secondary production. Yet, the impact of these dust inputs on the microbial populations is not fully investigated in the Eastern Mediterranean Sea (EMS). The response of oligotrophic systems to dust inputs, whether as positive or negative feedbacks to autotrophic and heterotrophic production and thus to biogeochemical cycling, is important to examine further. Experimental studies have explored nutrient additions in various combinations to determine the limiting resource to productivity or N2 fixation. Recent experimental studies have applied dust enrichments to bottle or mesocosm incubations of seawater from different oceanic regions. This research topic presents two Eastern Mediterranean dust addition mesocosm experiments using, for the first time, real aerosol additions, pure Saharan dust and mixed aerosols (a natural mixture of desert dust and polluted European particles), as well as other EMS aerosol experimental studies. The Topic includes manuscripts introducing results on: a) the impact of Saharan dust vs mixed aerosols on the autotrophic and heterotrophic surface microbial populations in the EMS, b) the impact of single vs multi-pulses of Saharan dust introduction into the pelagic environment of the EMS and c) other experimental studies of aerosol impacts on the EMS ecosystem. 2021-02-11T15:57:17Z 2021-02-11T15:57:17Z 2018-02-27 16:16:45 2017 book 25623 16648714 9782889453191 https://directory.doabooks.org/handle/20.500.12854/49996 eng Frontiers Research Topics image/jpeg Attribution 4.0 International https://www.frontiersin.org/books/Impact_of_Aerosols_Saharan_Dust_and_Mixed_on_the_East_Mediterranean_Oligotrophic_Ecosystem_Result/1379 https://www.frontiersin.org/research-topics/4546/impact-of-aerosols-saharan-dust-and-mixed-on-the-east-mediterranean-oligotrophic-ecosystem-results-f Frontiers Media SA 10.3389/978-2-88945-319-1 10.3389/978-2-88945-319-1 bf5ce210-e72e-4860-ba9b-c305640ff3ae 9782889453191 207 open access
spellingShingle GC1-1581
Q1-390
Saharan dust
planktonic food web
aerosols
Eastern Mediterranean
mesocosm experiments
Barak Herut
Paraskevi Pitta
Tatiana M. Tsagaraki
Impact of Aerosols (Saharan Dust and Mixed) on the East Mediterranean Oligotrophic Ecosystem; Results from Experimental Studies
title Impact of Aerosols (Saharan Dust and Mixed) on the East Mediterranean Oligotrophic Ecosystem; Results from Experimental Studies
title_full Impact of Aerosols (Saharan Dust and Mixed) on the East Mediterranean Oligotrophic Ecosystem; Results from Experimental Studies
title_fullStr Impact of Aerosols (Saharan Dust and Mixed) on the East Mediterranean Oligotrophic Ecosystem; Results from Experimental Studies
title_full_unstemmed Impact of Aerosols (Saharan Dust and Mixed) on the East Mediterranean Oligotrophic Ecosystem; Results from Experimental Studies
title_short Impact of Aerosols (Saharan Dust and Mixed) on the East Mediterranean Oligotrophic Ecosystem; Results from Experimental Studies
title_sort impact of aerosols saharan dust and mixed on the east mediterranean oligotrophic ecosystem results from experimental studies
topic GC1-1581
Q1-390
Saharan dust
planktonic food web
aerosols
Eastern Mediterranean
mesocosm experiments
topic_facet GC1-1581
Q1-390
Saharan dust
planktonic food web
aerosols
Eastern Mediterranean
mesocosm experiments
url 25623
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AT tatianamtsagaraki impactofaerosolssaharandustandmixedontheeastmediterraneanoligotrophicecosystemresultsfromexperimentalstudies