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Charadrius HiaticulaGreenlandPhalaropus FulicariusPhalaropus LobatusClangula HyemalisAlopex LagopusPrimary ProductionEnvironmental ConditionsAnnual CyclePhytoplankton Primary ProductionEmpetrum HermaphroditumRed-Necked PhalaropePopulation ExtinctionsAcanthis FlammeaPolygonum ViviparumAmerican ElementsHeterotrophic OrganismsSterna ParadisaeaMergus SerratorArctic and Subarctic