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Contribution of small phytoplankton to total primary production in the Chukchi Sea

Cited 13 time in scopus
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Title
Contribution of small phytoplankton to total primary production in the Chukchi Sea
Other Titles
북극 척치해 분포 소형 식물플랑크톤이 총 일차생산력이 미치는 영향 연구
Authors
Mi Sun Yun
Terry Whitledge
Chang Keun Kang
Sang H. Lee
Kang, Sung-Ho
HuiTae Joo
Bo Kyung Kim
Keywords
Arctic; Chukchi Sea; phytoplankton; primary production
Issue Date
2013
Publisher
Elsevier
Citation
Mi Sun Yun, et al. 2013. "Contribution of small phytoplankton to total primary production in the Chukchi Sea". CONTINENTAL SHELF RESEARCH, 68(1): 43-50.
Abstract
GivenaprojectionofthrivingsmallphytoplanktonintheArcticOceanunderclimate-induced environmentalchanges,itisimportanttoestimatethecontributionofsmallphytoplankton(0.7? 5 μm) to thetotalprimaryproductionintheChukchiSea,whichisanimportantconduitoforganicmatterfrom the NorthPacific totheArcticOcean.Basedona 13C? 15N dualisotopetracertechnique,small phytoplanktonproductivitymeasurementsweretakenduringtwoconsecutivecruisesintheChukchi Sea in2004.Thetotalphytoplanktoncarbonuptakeratesrangedfrom0to25.38mgCm 3 h 1, whereas the uptakeratesofsmallphytoplanktonrangedfrom0to2.87mgCm 3 h 1. Incomparisonwiththe carbon uptakerates,totalphytoplanktonnitrateuptakeratesrangedfrom0to4.40mgNm 3 h 1 while small phytoplanktonnitrateuptakeratesrangedfrom0to0.39mgNm 3 h 1. Ammoniumuptakerates rangedfrom0to8.34mgNm 3 h 1 and from0.01to2.18mgNm 3 h 1, fortotalandsmall phytoplankton,respectively.Smallphytoplanktoncontributed24.80%(S.D.¼723.0%) tothetotal chlorophyll-a concentration, and59.41%(S.D.¼752.12%)tothetotalcarbonbiomassduetoitshigher particulate organiccarbonperchlorophyll-a unit duringthetwocruisesin2004.IntheChukchiSea,the averagecontributionsofsmallphytoplanktontocarbonandtotalnitrogen(nitrateþammonium) uptake rateswere31.72%(S.D.¼723.59%) and37.31%(S.D.¼726.06%),respectively.antconduitoforganicmatterfrom the NorthPacific totheArcticOcean.Basedona 13C? 15N dualisotopetracertechnique,small phytoplanktonproductivitymeasurementsweretakenduringtwoconsecutivecruisesintheChukchi Sea in2004.Thetotalphytoplanktoncarbonuptakeratesrangedfrom0to25.38mgCm 3 h 1, whereas the uptakeratesofsmallphytoplanktonrangedfrom0to2.87mgCm 3 h 1. Incomparisonwiththe carbon uptakerates,totalphytoplanktonnitrateuptakeratesrangedfrom0to4.40mgNm 3 h 1 while small phytoplanktonnitrateuptakeratesrangedfrom0to0.39mgNm 3 h 1. Ammoniumuptakerates rangedfrom0to8.34mgNm 3 h 1 and from0.01to2.18mgNm 3 h 1, fortotalandsmall phytoplankton,respectively.Smallphytoplanktoncontributed24.80%(S.D.¼723.0%) tothetotal chlorophyll-a concentration, and59.41%(S.D.¼752.12%)tothetotalcarbonbiomassduetoitshigher particulate organiccarbonperchlorophyll-a unit duringthetwocruisesin2004.IntheChukchiSea,the averagecontributionsofsmallphytoplanktontocarbonandtotalnitrogen(nitrateþammonium) uptake rateswere31.72%(S.D.¼723.59%) and37.31%(S.D.¼726.06%),respectively.
URI
http://repository.kopri.re.kr/handle/201206/7244
DOI
http://dx.doi.org/10.1016/j.csr.2013.08.008
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