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Ice algal bloom development on the surface of the Greenland Ice Sheet

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Ice algal bloom development on the surface of the Greenland Ice Sheet. / Williamson, C J; Anesio, A M; Cook, J; Tedstone, A; Poniecka, E; Holland, A; Fagan, D; Tranter, M; Yallop, M L.

In: FEMS Microbiology Ecology, Vol. 94, No. 3, fiy025, 03.2018.

Research output: Contribution to journalArticle

Harvard

Williamson, CJ, Anesio, AM, Cook, J, Tedstone, A, Poniecka, E, Holland, A, Fagan, D, Tranter, M & Yallop, ML 2018, 'Ice algal bloom development on the surface of the Greenland Ice Sheet', FEMS Microbiology Ecology, vol. 94, no. 3, fiy025. https://doi.org/10.1093/femsec/fiy025

APA

Williamson, C. J., Anesio, A. M., Cook, J., Tedstone, A., Poniecka, E., Holland, A., ... Yallop, M. L. (2018). Ice algal bloom development on the surface of the Greenland Ice Sheet. FEMS Microbiology Ecology, 94(3), [fiy025]. https://doi.org/10.1093/femsec/fiy025

Vancouver

Williamson CJ, Anesio AM, Cook J, Tedstone A, Poniecka E, Holland A et al. Ice algal bloom development on the surface of the Greenland Ice Sheet. FEMS Microbiology Ecology. 2018 Mar;94(3). fiy025. https://doi.org/10.1093/femsec/fiy025

Author

Williamson, C J ; Anesio, A M ; Cook, J ; Tedstone, A ; Poniecka, E ; Holland, A ; Fagan, D ; Tranter, M ; Yallop, M L. / Ice algal bloom development on the surface of the Greenland Ice Sheet. In: FEMS Microbiology Ecology. 2018 ; Vol. 94, No. 3.

Bibtex

@article{5545becd90a442feafc22f2eaa6dda34,
title = "Ice algal bloom development on the surface of the Greenland Ice Sheet",
abstract = "It is fundamental to understand the development of Zygnematophycean (Streptophyte) micro-algal blooms within Greenland Ice Sheet (GrIS) supraglacial environments, given their potential to significantly impact both physical (melt) and chemical (carbon and nutrient cycling) surface characteristics. Here we report on a space-for-time assessment of a GrIS ice-algal bloom, achieved by sampling an ∼ 85 km transect spanning the south-western GrIS bare ice zone during the 2016 ablation season. Cell abundances ranged from 0 to 1.6 × 104 cells ml−1, with algal biomass demonstrated to increase in surface ice with time since snow line retreat (R2 = 0.73, P < 0.05). A suite of light harvesting and photo-protective pigments were quantified across transects (chlorophylls, carotenoids and phenols) and shown to increase in concert with algal biomass. Ice-algal communities drove net autotrophy of surface ice, with maximal rates of net production averaging 0.52 ± 0.04 mg C l−1 d−1, and a total accumulation of 1.306 Gg C (15.82 ± 8.14 kg C km−2) predicted for the 2016 ablation season across an 8.24 × 104 km2 region of the GrIS. By advancing our understanding of ice-algal bloom development, this study marks an important step toward projecting bloom occurrence and impacts into the future.",
keywords = "cyanobacteria, cryosphere, polar, alpine, genomics",
author = "Williamson, {C J} and Anesio, {A M} and J Cook and A Tedstone and E Poniecka and A Holland and D Fagan and M Tranter and Yallop, {M L}",
year = "2018",
month = "3",
doi = "10.1093/femsec/fiy025",
language = "English",
volume = "94",
journal = "FEMS Microbiology Ecology",
issn = "0168-6496",
publisher = "Oxford University Press",
number = "3",

}

RIS - suitable for import to EndNote

TY - JOUR

T1 - Ice algal bloom development on the surface of the Greenland Ice Sheet

AU - Williamson, C J

AU - Anesio, A M

AU - Cook, J

AU - Tedstone, A

AU - Poniecka, E

AU - Holland, A

AU - Fagan, D

AU - Tranter, M

AU - Yallop, M L

PY - 2018/3

Y1 - 2018/3

N2 - It is fundamental to understand the development of Zygnematophycean (Streptophyte) micro-algal blooms within Greenland Ice Sheet (GrIS) supraglacial environments, given their potential to significantly impact both physical (melt) and chemical (carbon and nutrient cycling) surface characteristics. Here we report on a space-for-time assessment of a GrIS ice-algal bloom, achieved by sampling an ∼ 85 km transect spanning the south-western GrIS bare ice zone during the 2016 ablation season. Cell abundances ranged from 0 to 1.6 × 104 cells ml−1, with algal biomass demonstrated to increase in surface ice with time since snow line retreat (R2 = 0.73, P < 0.05). A suite of light harvesting and photo-protective pigments were quantified across transects (chlorophylls, carotenoids and phenols) and shown to increase in concert with algal biomass. Ice-algal communities drove net autotrophy of surface ice, with maximal rates of net production averaging 0.52 ± 0.04 mg C l−1 d−1, and a total accumulation of 1.306 Gg C (15.82 ± 8.14 kg C km−2) predicted for the 2016 ablation season across an 8.24 × 104 km2 region of the GrIS. By advancing our understanding of ice-algal bloom development, this study marks an important step toward projecting bloom occurrence and impacts into the future.

AB - It is fundamental to understand the development of Zygnematophycean (Streptophyte) micro-algal blooms within Greenland Ice Sheet (GrIS) supraglacial environments, given their potential to significantly impact both physical (melt) and chemical (carbon and nutrient cycling) surface characteristics. Here we report on a space-for-time assessment of a GrIS ice-algal bloom, achieved by sampling an ∼ 85 km transect spanning the south-western GrIS bare ice zone during the 2016 ablation season. Cell abundances ranged from 0 to 1.6 × 104 cells ml−1, with algal biomass demonstrated to increase in surface ice with time since snow line retreat (R2 = 0.73, P < 0.05). A suite of light harvesting and photo-protective pigments were quantified across transects (chlorophylls, carotenoids and phenols) and shown to increase in concert with algal biomass. Ice-algal communities drove net autotrophy of surface ice, with maximal rates of net production averaging 0.52 ± 0.04 mg C l−1 d−1, and a total accumulation of 1.306 Gg C (15.82 ± 8.14 kg C km−2) predicted for the 2016 ablation season across an 8.24 × 104 km2 region of the GrIS. By advancing our understanding of ice-algal bloom development, this study marks an important step toward projecting bloom occurrence and impacts into the future.

KW - cyanobacteria

KW - cryosphere

KW - polar

KW - alpine

KW - genomics

U2 - 10.1093/femsec/fiy025

DO - 10.1093/femsec/fiy025

M3 - Article

C2 - 29444265

VL - 94

JO - FEMS Microbiology Ecology

JF - FEMS Microbiology Ecology

SN - 0168-6496

IS - 3

M1 - fiy025

ER -