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首页> 外文期刊>Harmful Algae >Is the invasion of Prorocentrum minimum (Dinophyceae) related to the nitrogen enrichment of the Baltic Sea?
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Is the invasion of Prorocentrum minimum (Dinophyceae) related to the nitrogen enrichment of the Baltic Sea?

机译：最低原原虫（Dinophyceae）的入侵是否与波罗的海的氮富集有关？

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摘要

The abundance of the invasive, bloom-forming dinoflagellate Prorocentrum minimum (Pavillard) Schiller and triangular, oval, and oval-round cell shapes were examined relative to salinity, temperature, and nutrient concentrations at the selected sites in the Baltic Sea. Based on the multiple regression and multivariate statistical analysis, all cell shapes of P. minimum had highly similar distribution relative to these environmental parameters as well as chlorophyll-a, nitrite + nitrate, ammonium, total nitrogen, phosphate, total phosphorus, and silicate. The species was related positively to total nitrogen, and negatively to salinity, temperature, nitrite + nitrate, and silicate:total nitrogen ratio. The results suggest that P. minimum could well adapt to low salinity and temperature and occurred particularly in coastal waters, rich in total nitrogen relative to silicate or other inorganic nutrients. These results indicate that the recent invasion of P. minimum into the Baltic Sea could have been enhanced by the DON enrichment. The results also support the suggestion that P. minimum is one morphospecies with no distinct subtaxa.
机译：相对于盐度，温度和养分浓度，在波罗的海的选定地点，检查了侵染性，开花形成性鞭毛原小中心（Pavillard）Schiller和三角形，椭圆形和卵圆形细胞的丰度。基于多元回归和多元统计分析，相对于这些环境参数以及叶绿素a，亚硝酸盐+硝酸盐，铵，总氮，磷酸盐，总磷和硅酸盐，最小体育杆菌的所有细胞形状均具有高度相似的分布。物种与总氮呈正相关，与盐度，温度，亚硝酸盐+硝酸盐和硅酸盐：总氮比率呈负相关。结果表明，最小拟南芥能很好地适应低盐度和低温，尤其发生在沿海水域，相对于硅酸盐或其他无机养分，其总氮含量很高。这些结果表明，DON的富集可以增强最近对极小疟原虫向波罗的海的入侵。结果还支持以下建议：最小体育杆菌是一种形态种类，没有明显的亚类群。

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