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  "code": "7b.b.kf",
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  "code": "7b.b.kf",
            
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  "contributor": "NIOZ Royal Netherlands Institute for Sea Research",
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  "contributor": "NIOZ Royal Netherlands Institute for Sea Research",
            
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  "creator_user_id": "30bfd52e-7251-4902-824c-0e433596cc92",
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  "creator_user_id": "30bfd52e-7251-4902-824c-0e433596cc92",
            
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  "creators": 
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  "creators": 
            
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Puccinelli\",\"orcid\":\"0000-0002-6144-6650\",\"affiliation\":\"Royal 
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Puccinelli\",\"orcid\":\"0000-0002-6144-6650\",\"affiliation\":\"Royal 
            
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Netherlands Institute for Sea 
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Netherlands Institute for Sea 
            
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hor\":true,\"contactemailaddress\":\"eleonora.puccinelli@nioz.nl\"}]",
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hor\":true,\"contactemailaddress\":\"eleonora.puccinelli@nioz.nl\"}]",
            
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  "dataset_persistent_id": "DOI:10.33591/nioz/7b.b.kf",
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  "dataset_persistent_id": "DOI:10.33591/nioz/7b.b.kf",
            
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  "deposit_date": "2023-07-17",
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  "deposit_date": "2023-07-17",
            
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  "depositor": "Eleonora Puccinelli",
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  "depositor": "Eleonora Puccinelli",
            
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  "distribution_date": "2023-07-17",
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  "distribution_date": "2023-07-17",
            
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  "distributor": "Research Data Management(NIOZ Royal Netherlands 
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  "distributor": "Research Data Management(NIOZ Royal Netherlands 
            
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Institute for Sea Research)",
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Institute for Sea Research)",
            
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  "doi_date_published": "2023-07-17",
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  "doi_date_published": "2023-07-17",
            
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  "funding_references": 
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  "funding_references": 
            
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ame\":\"ANR\",\"awardnumber\":\"17-EURE-0015\",\"awardtitle\":\"ISblue 
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ame\":\"ANR\",\"awardnumber\":\"17-EURE-0015\",\"awardtitle\":\"ISblue 
            
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project, Interdisciplinary graduate school for the blue 
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project, Interdisciplinary graduate school for the blue 
            
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planet\",\"formatted\":\"ANR - 17-EURE-0015 - ISblue project, 
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planet\",\"formatted\":\"ANR - 17-EURE-0015 - ISblue project, 
            
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Interdisciplinary graduate school for the blue 
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Interdisciplinary graduate school for the blue 
            
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,{\"name\":\"SANRF\",\"awardnumber\":\"115335\",\"awardtitle\":\"South 
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,{\"name\":\"SANRF\",\"awardnumber\":\"115335\",\"awardtitle\":\"South 
            
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African National Research Foundation\",\"formatted\":\"SANRF - 115335 
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African National Research Foundation\",\"formatted\":\"SANRF - 115335 
            
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- South African National Research 
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- South African National Research 
            
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,{\"name\":\"SANRF\",\"awardnumber\":\"116142\",\"awardtitle\":\"South 
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,{\"name\":\"SANRF\",\"awardnumber\":\"116142\",\"awardtitle\":\"South 
            
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African National Research Foundation\",\"formatted\":\"SANRF - 116142 
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African National Research Foundation\",\"formatted\":\"SANRF - 116142 
            
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- South African National Research 
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- South African National Research 
            
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,{\"name\":\"SANRF\",\"awardnumber\":\"129320\",\"awardtitle\":\"South 
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,{\"name\":\"SANRF\",\"awardnumber\":\"129320\",\"awardtitle\":\"South 
            
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African National Research Foundation\"}]",
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African National Research Foundation\"}]",
            
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  "name": "7bbkf",
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  "name": "7bbkf",
            
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  "notes": "The Benguela Upwelling System (BUS) is one of the 
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  "notes": "The Benguela Upwelling System (BUS) is one of the 
            
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world\u2019s most productive ecosystems, supporting globally-relevant 
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world\u2019s most productive ecosystems, supporting globally-relevant 
            
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fisheries. The BUS marine community is modulated by the availability 
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fisheries. The BUS marine community is modulated by the availability 
            
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of nutrients and omega-3 long chain polyunsaturated fatty acid 
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of nutrients and omega-3 long chain polyunsaturated fatty acid 
            
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(hereafter, LC omega-3). Phytoplankton growth in the BUS can be 
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(hereafter, LC omega-3). Phytoplankton growth in the BUS can be 
            
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supported by upwelled nitrate, a new nitrogen (N) source to the 
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supported by upwelled nitrate, a new nitrogen (N) source to the 
            
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surface, or by recycled N such as ammonium. Preferential assimilation 
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surface, or by recycled N such as ammonium. Preferential assimilation 
            
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of one N source over another may yield differences in LC omega-3 
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of one N source over another may yield differences in LC omega-3 
            
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production between high and low food-quality species. To evaluate how 
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production between high and low food-quality species. To evaluate how 
            
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upwelling and the N source(s) consumed by phytoplankton influence LC 
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upwelling and the N source(s) consumed by phytoplankton influence LC 
            
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omega-3 production, we sampled a BUS anchor station daily for 10 days. 
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omega-3 production, we sampled a BUS anchor station daily for 10 days. 
            
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Upwelling on days 5-7 supplied high concentrations of nutrients to the 
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Upwelling on days 5-7 supplied high concentrations of nutrients to the 
            
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surface, while pre- and post-upwelling, surface waters were stratified 
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surface, while pre- and post-upwelling, surface waters were stratified 
            
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and nutrient concentrations were low. LC omega-3 and phytoplankton 
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and nutrient concentrations were low. LC omega-3 and phytoplankton 
            
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concentrations were near-zero during upwelling, and elevated pre- and 
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concentrations were near-zero during upwelling, and elevated pre- and 
            
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post-upwelling. Throughout our sampling, nanoplankton (2.7-10\u00b5m) 
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post-upwelling. Throughout our sampling, nanoplankton (2.7-10\u00b5m) 
            
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dominated primary production (30-95%), relying mainly on nitrate to 
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dominated primary production (30-95%), relying mainly on nitrate to 
            
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support their growth. Surface LC omega-3 concentrations reached peaks 
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support their growth. Surface LC omega-3 concentrations reached peaks 
            
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of 215 and 175 \u00b5gL-1 pre- and post-upwelling, up to 10-times 
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of 215 and 175 \u00b5gL-1 pre- and post-upwelling, up to 10-times 
            
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higher than previous measurements from the BUS (<5 \u00b5gL-1). 
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higher than previous measurements from the BUS (<5 \u00b5gL-1). 
            
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Pre-upwelling, non-diatom trophic markers (18:1n-9,18:4n-3,18:5n-3) 
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Pre-upwelling, non-diatom trophic markers (18:1n-9,18:4n-3,18:5n-3) 
            
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were dominant, with a switch over just two days to diatom trophic 
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were dominant, with a switch over just two days to diatom trophic 
            
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markers post-upwelling (16:1n-7,16:2n-4,16:2n-7,16:3n-4,16:4n-1). This 
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markers post-upwelling (16:1n-7,16:2n-4,16:2n-7,16:3n-4,16:4n-1). This 
            
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study reveals the key role of upwelling in promoting phytoplankton LC 
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study reveals the key role of upwelling in promoting phytoplankton LC 
            
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omega-3 production, which is tightly coupled to the supply of new 
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omega-3 production, which is tightly coupled to the supply of new 
            
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nitrate. Additionally, the high observed LC omega-3 concentrations 
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nitrate. Additionally, the high observed LC omega-3 concentrations 
            
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suggest that global LC omega-3 production is underestimated.",
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suggest that global LC omega-3 production is underestimated.",
            
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