{"refrec":{"BRefID":338373,"RR":"<b>Rahlff, J.; Khodami, S.; Voskuhl, L.; Humphreys, M.; Stolle, C.; Martínez-Arbizu, P.; Wurl, O.; Ribas-Ribas, M.</b> (2021). Short-term responses to ocean acidification: effects on relative abundance of eukaryotic plankton from the tropical Timor Sea. <i>Mar. Ecol. Prog. Ser. 658</i>: 59-74. <a href=\"https://doi.org/10.3354/meps13561\" target=\"_blank\">https://doi.org/10.3354/meps13561</a>","BEntID":334999,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Mar. Ecol. Prog. Ser. 658</i>: 59-74. <a href=\"https://doi.org/10.3354/meps13561\" target=\"_blank\">https://doi.org/10.3354/meps13561</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Rahlff, J.; Khodami, S.; Voskuhl, L.; Humphreys, M.; Stolle, C.; Martínez-Arbizu, P.; Wurl, O.; Ribas-Ribas, M.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Rahlff, J. <i>et al.</i>","Englishabstract":" Anthropogenic carbon dioxide (CO<sub>2</sub>) emissions drive climate    change and pose one of the major challenges of our century. The effects of    increased CO<sub>2</sub> in the form of ocean acidification (OA) on the    communities of marine planktonic eukaryotes in tropical regions such as theTimor Sea are barely understood. Here, we show the effects of high CO<sub>2</sub> (mean ± SD <i>p</i>CO<sub>2</sub> = 1823 ± 161 μatm and pH    <sub>T</sub> = 7.46 ± 0.05) versus <i>in situ</i> CO<sub>2</sub> (504 ± 42    µatm, 7.95 ± 0.04) seawater on the community composition of marine    planktonic eukaryotes after 3 and 48 h of treatment exposure in a shipboard    microcosm experiment. Illumina sequencing of the V9 hypervariable region of    18S rRNA (gene) was used to study the eukaryotic community composition.    Increased CO<sub>2</sub> significantly suppressed the relative abundances    of different eukaryotic operational taxonomic units (OTUs), including    important primary producers, although the chlorophyll <i>a</i>    concentration remained constant. OA effects on eukaryotes were consistent    between total (DNA-based) and active (cDNA-based) taxa after 48 h, e.g. for    the diatoms <i>Trieres chinensis</i> and <i>Stephanopyxis turris.</i>    Effects of OA on the relative abundances of OTUs were often species- or    even ecotype-specific, and the incubation selectively allowed for detection    of the OA-sensitive OTUs that benefitted the most from incubation in a    closed bottle, as containment effects on the community structure were    evident after 48 h. Many OTUs were adversely affected by sudden decreases    of seawater pH, suggesting high sensitivity to OA at the base of the    tropical marine biodiversity and difficult-to-predict outcomes for food-web    functioning in the future ocean.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Short-term responses to ocean acidification: effects on relative abundance of eukaryotic plankton from the tropical Timor Sea","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-08 01:31:23.769258","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"High CO<sub>2</sub>; Low pH; Phytoplankton; Protists; Tropics; Copepods; 18S rRNA sequencing; Ocean acidification","OtherDescriptors":null,"Notes":null,"AnaPub":2021,"MonPub":null,"DateUpdate":"2021-05-26","DateCreate":"2021-05-21","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000621349000004","VABBcode":null,"OpenAcc":1,"DOI":"10.3354/meps13561"},"refs":null,"anarec":{"AnaID":338373,"PubliDate":2021,"Pagination":"59-74","XtraPublOfAnaID":null,"ISBN":null,"Volume":"658","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43354,"SerRR":"Marine Ecology Progress Series. 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