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Phytoplankton detection and DSP toxicity: methodological considerations |
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| Authors: | Laura Sidari Paola Nichetto Sara Cok Silvio Sosa Aurelia Tubaro Giorgio Honsell Roberto Della Loggia |
| Affiliation: | (1) Laboratorio di Biologia Marina, Strada Costiera 336, 340I0 Trieste, Italy;(2) Istituto di Farmacologia e Farmacognosia, Università di Trieste, via Giorgieri 7, 34127 Trieste, Italy;(3) Dipartimento di Biologia ed Economia Agro-industriale, Università di Udine, via Cotonificio 108, 33100 Udine, Italy |
| Abstract: | Two different phytoplankton sampling methods (bottle and net sampling) were used to evaluate the concentration of toxicDinophysis species in seawater and their correlation to mussel toxicity, assessed by mouse bioassay.Dinophysis concentration in net samples revealed the higher correlation to mussel toxicity (r=0.75,p<0.01). Net sampling therefore seems more suitable for the detection of low abundance species likeDinophysis characterised by vertical aggregations at different depths in the water column. |
| Keywords: | DSP Dinophysis mussel DSP toxicity sampling methods |
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