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Therefore, it is intriguing how this species is able to grow and expand at the observed rates. In this context, the physiological responses of <jats:italic>R. okamurae<\/jats:italic> to changing nutrient concentrations and temperature were analyzed. Two experiments were conducted, evaluating six combinations of nitrate and phosphate concentrations and their potential interaction with temperature. Nutrient uptake efficiency (NUE) and rates (NUR), photosynthetic responses, growth rates, and biomass composition were evaluated. Photosynthesis parameters, soluble proteins, and \u2010NUR increased with increasing N:P ratio; however, \u2010NUR was very similar in all treatments. The species showed high capacity for nitrate assimilation, which was rapidly modulated by its external concentration and temperature (more than 90% of NO<jats:sub>3<\/jats:sub>\u2010NUE after 5\u2009days in treatments with N:P rations of 5, 10, 16, 25, and 40\u2009N to 1 P). Consequently, N\u2010nutrients were removed from the water by <jats:italic>R. okamurae<\/jats:italic> and likely stored inside the cells. This process will allow the alga to maintain high growth rates if thalli are moved to oligotrophic areas, favoring its spreading to many marine environments. Additionally, fucoxanthin was the predominant carotenoid in this species, although its content was lower than in other brown macroalgae species (mean value of 0.51\u2009\u00b1\u20090.05\u2009mg\u2009\u00b7\u2009g<jats:sup>\u22121<\/jats:sup> DW). However, since a huge amount of <jats:italic>R. okamurae<\/jats:italic> is observed recurrently on beaches, the use of this biomass might be proposed to compensate partially for its impacts.<\/jats:p>","DOI":"10.1111\/jpy.13528","type":"journal-article","created":{"date-parts":[[2024,12,6]],"date-time":"2024-12-06T18:05:12Z","timestamp":1733508312000},"page":"44-60","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Physiological responses of the alien macroalga <i>Rugulopteryx okamurae<\/i> (Phaeophyceae, Heterokontophyta) to changes in nutrients and temperature"],"prefix":"10.1111","volume":"61","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5332-9553","authenticated-orcid":false,"given":"Jos\u00e9","family":"Bonomi\u2010Barufi","sequence":"first","affiliation":[{"name":"Phycology Laboratory, Botany Department Federal University of Santa Catarina  Florian\u00f3polis Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"F\u00e9lix L.","family":"Figueroa","sequence":"additional","affiliation":[{"name":"Universidad de M\u00e1laga, Instituto Andaluz de Biotecnolog\u00eda y Desarrollo Azul (IBYDA) Centro Experimental Grice Hutchinson  M\u00e1laga Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Julia","family":"Vega","sequence":"additional","affiliation":[{"name":"Universidad de M\u00e1laga, Instituto Andaluz de Biotecnolog\u00eda y Desarrollo Azul (IBYDA) Centro Experimental Grice Hutchinson  M\u00e1laga Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rub\u00e9n","family":"Huesa","sequence":"additional","affiliation":[{"name":"Universidad de M\u00e1laga, Instituto Andaluz de Biotecnolog\u00eda y Desarrollo Azul (IBYDA) Centro Experimental Grice Hutchinson  M\u00e1laga Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Talissa B.","family":"Harb","sequence":"additional","affiliation":[{"name":"Universidad de M\u00e1laga, Instituto Andaluz de Biotecnolog\u00eda y Desarrollo Azul (IBYDA) Centro Experimental Grice Hutchinson  M\u00e1laga Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Antonio","family":"Avil\u00e9s","sequence":"additional","affiliation":[{"name":"Universidad de M\u00e1laga, Instituto Andaluz de Biotecnolog\u00eda y Desarrollo Azul (IBYDA) Centro Experimental Grice Hutchinson  M\u00e1laga Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jes\u00fas M.","family":"Mercado","sequence":"additional","affiliation":[{"name":"Centro Oceanogr\u00e1fico de M\u00e1laga, Instituto Espa\u00f1ol de Oceanograf\u00eda\u2010CSIC, Explanada de San Andr\u00e9s  M\u00e1laga Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nathalie","family":"Korbee","sequence":"additional","affiliation":[{"name":"Universidad de M\u00e1laga, Instituto Andaluz de Biotecnolog\u00eda y Desarrollo Azul (IBYDA) Centro Experimental Grice Hutchinson  M\u00e1laga Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2024,12,6]]},"reference":[{"key":"e_1_2_9_2_1","article-title":"Arribazones de la especie ex\u00f3tica Rugulopteryx okamurae (E.Y.Dawson) I.K. 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Kim (Dictyotales, Phaeophyceae) en el Estrecho de Gibraltar: primera cita para el Atl\u00e1ntico y Espa\u00f1a","volume":"11","author":"Altamirano M.","year":"2016","journal-title":"Algas"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.3390\/md21010040"},{"key":"e_1_2_9_4_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10811\u2010010\u20109603\u2010x"},{"key":"e_1_2_9_5_1","doi-asserted-by":"publisher","DOI":"10.3391\/bir.2024.13.2.08"},{"key":"e_1_2_9_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ecss.2015.01.009"},{"key":"e_1_2_9_7_1","doi-asserted-by":"publisher","DOI":"10.1006\/abio.1976.9999"},{"key":"e_1_2_9_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0023-6438(95)80008-5"},{"key":"e_1_2_9_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ecss.2021.107398"},{"key":"e_1_2_9_10_1","doi-asserted-by":"publisher","DOI":"10.3989\/scimar.04053.05A"},{"key":"e_1_2_9_11_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.marenvres.2017.07.015"},{"key":"e_1_2_9_12_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1529\u20108817.1978.tb02448.x"},{"key":"e_1_2_9_13_1","doi-asserted-by":"publisher","DOI":"10.1515\/BOT.2006.005"},{"key":"e_1_2_9_14_1","doi-asserted-by":"publisher","DOI":"10.1034\/j.1600\u20100706.2002.970201.x"},{"key":"e_1_2_9_15_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1529\u20108817.2006.00279.x"},{"key":"e_1_2_9_16_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.scitotenv.2022.158914"},{"key":"e_1_2_9_17_1","doi-asserted-by":"publisher","DOI":"10.1021\/ac60111a017"},{"key":"e_1_2_9_18_1","first-page":"1","article-title":"Illustrated guide to seaweeds and seagrasses in the vicinity of Porto Aransas, Texas","volume":"15","author":"Edwards P.","year":"1970","journal-title":"Contributions in Marine Science, Austin"},{"key":"e_1_2_9_19_1","first-page":"92","article-title":"Occurrence of the invasive brown seaweed Rugulopteryx okamurae (E.Y.Dawson) I.K. 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