{"refrec":{"BRefID":321680,"RR":"<b>Pienkowski, A.J.; Kennaway, S.; Lang, S.I.</b> (2020). Aquatic palynomorphs from modern marine sediments in a reconnaissance transect across the Northwest Passage – Baffin Bay region. <i>Mar. Micropaleontol. 156</i>: 101825. <a href=\"https://dx.doi.org/10.1016/j.marmicro.2020.101825\" target=\"_blank\">https://dx.doi.org/10.1016/j.marmicro.2020.101825</a>","BEntID":315120,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":0,"RefStringPartII":". <i>Mar. Micropaleontol. 156</i>: 101825. <a href=\"https://dx.doi.org/10.1016/j.marmicro.2020.101825\" target=\"_blank\">https://dx.doi.org/10.1016/j.marmicro.2020.101825</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Pienkowski, A.J.; Kennaway, S.; Lang, S.I.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Pienkowski, A.J.; Kennaway, S.; Lang, S.I.","Englishabstract":"Surface sediments from 18 boxcores across the Canadian Arctic provide the first assessment of modern non-pollen, non-dinocyst palynomorph regional distribution patterns. Palynomorphs are abundant and well-preserved (~400–21,900 ind./g; average 5730 ind./g), comprising acritarchs, zoomorphs (invertebrate eggs, egg capsules, mouthparts), foraminiferal linings, tintinnid loricae, ciliate cysts, and freshwater algae. Acritarch P and <i>Halodinium minor</i> were the most abundant and widely distributed acritarchs (avg. ~410 and ~340 ind./g, respectively). Invertebrate eggs (avg. ~570 ind./g) and foraminiferal linings (avg. ~1600 ind./g) were prominent. Six tintinnid forms were identified, cf. <i>Parafavella parumdentata</i> (avg. ~40 ind./g; 10 stations) showing the widest distribution. Ciliate cysts included <i>Strombidium</i>? cyst A, a spherical, flask-shaped cell with short spines and a rounded base (avg. ~120 ind./g; 16 stations). <i>Pediastrum</i> sp. (avg. ~140 ind./g) and <i>Botryococcus</i> sp. (avg. ~1040 ind./g) were especially abundant in the west, likely delivered via rivers. Out of 14 environmental parameters only sedimentary biogenic silica (%Si(opal)) was significant in explaining palynomorph variation. At group level, tinitinnids showed the strongest positive correlation to %Si(opal). Individually, the tintinnid <i>Acanthostomella</i>? sp. 1, ciliate cyst <i>Fusopsis</i>? cyst A, and the acritarch <i>Palaeostomocystis fritilla</i> were almost solely and positively explained by %Si(opal). This suggests that %Si(opal) strongly determines palynomorph variability, particularly for microzooplankton, implying that siliceous organisms (diatoms) play an important role in shaping palynomorph content in the sedimentary record. Our data suggest that palynomorphs represent a valuable addition to organic-walled microfossils (dinocysts) routinely used in this region, offering a unique multiproxy glimpse into the ecosystem.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Aquatic palynomorphs from modern marine sediments in a reconnaissance transect across the Northwest Passage – Baffin Bay region","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-05-21 01:33:30.176561","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Acritarchs; Tintinnids; Foraminiferal linings; Canadian Arctic Archipelago; Microfossils; Proxies; Non-pollen palynomorph (NPP)","OtherDescriptors":null,"Notes":null,"AnaPub":2020,"MonPub":null,"DateUpdate":"2020-03-23","DateCreate":"2020-02-18","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000528062400001","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/j.marmicro.2020.101825"},"refs":null,"anarec":{"AnaID":321680,"PubliDate":2020,"Pagination":"101825","XtraPublOfAnaID":null,"ISBN":null,"Volume":"156","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43516,"SerRR":"Marine Micropaleontology. Elsevier: Amsterdam; New York; Oxford; Tokyo.  ISSN 0377-8398; e-ISSN 1872-6186","StandardTitleSer":"Marine Micropaleontology","ISSN":"0377-8398","AbbrevSer":"Mar. 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