Taxon-specific responses of Southern Ocean diatoms
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منابع مشابه
Phenotypic Plasticity of Southern Ocean Diatoms: Key to Success in the Sea Ice Habitat?
Diatoms are the primary source of nutrition and energy for the Southern Ocean ecosystem. Microalgae, including diatoms, synthesise biological macromolecules such as lipids, proteins and carbohydrates for growth, reproduction and acclimation to prevailing environmental conditions. Here we show that three key species of Southern Ocean diatom (Fragilariopsis cylindrus, Chaetoceros simplex and Pseu...
متن کاملPrimary productivity, differential size fraction and pigment composition responses in two Southern Ocean in situ iron enrichments
Two in situ iron-enrichment experiments were conducted in the Pacific sector of the Southern Ocean during summer 2002 (SOFeX). The ‘‘north patch,’’ established within the Subantarctic Zone ( 561S), was characterized by high nitrate ( 21mmolm ) but low silicic acid (2mmolm ) concentrations. North patch iron enrichment increased chlorophyll (Chl) by 12-fold to 2.1mgm 3 and primary productivity (P...
متن کاملIron Availability Influences Silicon Isotope Fractionation in Two Southern Ocean Diatoms (Proboscia inermis and Eucampia antarctica) and a Coastal Diatom (Thalassiosira pseudonana)
Citation: Meyerink S, Ellwood MJ, Maher WA and Strzepek R (2017) Iron Availability Influences Silicon Isotope Fractionation in Two Southern Ocean Diatoms (Proboscia inermis and Eucampia antarctica) and a Coastal Diatom (Thalassiosira pseudonana). Front. Mar. Sci. 4:217. doi: 10.3389/fmars.2017.00217 Iron Availability Influences Silicon Isotope Fractionation in Two Southern Ocean Diatoms (Probos...
متن کاملInorganic carbon uptake by Southern Ocean phytoplankton
We report the results of laboratory and field studies examining inorganic carbon (Ci) utilization by Southern Ocean phytoplankton. Both in monospecific laboratory cultures of diatoms and Phaeocystis antarctica and in natural assemblages in the Ross Sea, Ci uptake by phytoplankton was dominated by direct HCO { 3 transport. The contribution of HCO 3 transport to total Ci uptake ranged from 65% to...
متن کاملCorrigendum: Iron Availability Influences Silicon Isotope Fractionation in Two Southern Ocean Diatoms (Proboscia inermis and Eucampia antarctica) and a Coastal Diatom (Thalassiosira pseudonana)
Citation: Meyerink S, Ellwood MJ, Maher WA and Strzepek R (2017) Corrigendum: Iron Availability Influences Silicon Isotope Fractionation in Two Southern Ocean Diatoms (Proboscia inermis and Eucampia antarctica) and a Coastal Diatom (Thalassiosira pseudonana). Front. Mar. Sci. 4:280. doi: 10.3389/fmars.2017.00280 Corrigendum: Iron Availability Influences Silicon Isotope Fractionation in Two Sout...
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تاریخ انتشار 2014