{"refrec":{"BRefID":392562,"RR":"<b>Semmouri, I.; Mortelmans, J.; Roland, C.; Janssen, C.; Asselman, J.</b> (2024). Decadal trends and dynamics in the abundance and biomass of marine branchiopods in the southern part of the North Sea. <i>J. Mar. Syst. 245</i>: 103992. <a href=\"https://dx.doi.org/10.1016/j.jmarsys.2024.103992\" target=\"_blank\">https://dx.doi.org/10.1016/j.jmarsys.2024.103992</a>","BEntID":390325,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>J. Mar. Syst. 245</i>: 103992. <a href=\"https://dx.doi.org/10.1016/j.jmarsys.2024.103992\" target=\"_blank\">https://dx.doi.org/10.1016/j.jmarsys.2024.103992</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Semmouri, I.; Mortelmans, J.; Roland, C.; Janssen, C.; Asselman, J.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Semmouri, I. <i>et al.</i>","Englishabstract":"Time-series are fundamental for enhancing our comprehension of plankton community dynamics and forecasting future changes that could significantly affect entire marine food chains and ecosystems. In this study, we investigated spatial and temporal variations in occurrence, abundance and body size of marine branchiopods in the Belgian Part of the North Sea (BPNS), using both traditional microscopy, as well as digital imaging (ZooSCAN). We studied the population dynamics of branchiopods collected between 2014 and 2021 in the BPNS and compared these results with a previously collected (2009-2010) dataset for the same area. The time series showed no significant changes in abundance (Podon spp., Evadne nordmanni) over the years, but we did observe a pronounced seasonal pattern, with both species completely absent in the winter months. Abundance and biomass were positively correlated with water temperature but negatively correlated with nutrient concentrations and turbidity. Additionally, Podon spp. abundance was negatively correlated with anthropogenic chemicals (i.e., polycyclic aromatic hydrocarbons). We employed generalized additive models to quantify the relative contribution of temperature, salinity, turbidity, chlorophyll a concentration and pollutant levels to the dynamics of the studied taxa. Turbidity and chlorophyll a concentrations were revealed to be the predictor with the highest importance in all models predicting the abundances/body size of the selected species. Anthropogenic chemicals were not informative in explaining branchiopod abundance or body size. The findings of this study establish a baseline for future studies, which is essential for our understanding of the zooplankton dynamics in the North Sea, particularly in the context of climate change and changing water quality.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Decadal trends and dynamics in the abundance and biomass of marine branchiopods in the southern part of the North Sea","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-18 01:32:44.492396","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Branchiopoda;Podonids;Time -series;Zooplankton;Climate change;Chemical pollution;POPs;PENILIA-AVIROSTRIS DANA;POPULATION-DYNAMICS;BELGIAN PART;MESOZOOPLANKTON COMMUNITY;SEASONAL DYNAMICS;LIFE-HISTORY;ZOOPLANKTON;CLADOCERA;FISH;EVADNE","OtherDescriptors":null,"Notes":null,"AnaPub":2024,"MonPub":null,"DateUpdate":"2025-09-18","DateCreate":"2024-06-03","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:001251223000001","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/j.jmarsys.2024.103992"},"refs":null,"anarec":{"AnaID":392562,"PubliDate":2024,"Pagination":"103992","XtraPublOfAnaID":null,"ISBN":null,"Volume":"245","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43079,"SerRR":"Journal of Marine Systems. 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