Data/hora: 01/06/2024 09:50:05

Provedor de dados: | 5
País: | France
Título: | Influence de l'azote et du phosphore sur la croissance et la toxicité de Prorocentrum lima (Ehrenberg) Dodge
Autores: | Morlaix, Martine; Lassus, Patrick.
Data: | 1992-08
Ano: | 1992
Palavras-chave: | Croissance; Toxicité; Concentration chimique; Division cellulaire; Production; Espagne; Phosphore; Azote; Europe; Nutriment; Milieu marin; Zone côtière; Ecotoxicologie; Pyrrophycophyta; Algae; Thallophyta; Okadaïque acide; Prorocentrum lima; Growth; Toxicity; Chemical concentration; Cell division; Production; Spain; Phosphorus; Nitrogen; Europe; Nutrient; Marine environment; Coastal zone; Ecotoxicology; Pyrrophycophyta; Algae; Thallophyta.
Resumo: | Very few attempts have been made in order to investigate the role of nutrients on cellular growth and toxin production in dinoflagellates associated with DSP (Diarrhetic Shellfish Poison). Some preliminary results are presented here, aiming at a better knowledge of inorganic nitrogen and organic phosphorus effects upon division rate and toxin content of Prorocentrum lima (PL2V spanish strain). Nitrogen have a positive effect on growth rate, up to a threshold value of 880muM.l-1. Above this threshold the rate decreases. There is no effect on toxin content since okadaic acid and DTX1 cell contents remain low (4.8 +/- 0.5 pg.cell.-1) and steady. Phosphorus effect upon division rate follows a non-linear relationship, whereas cellular toxic content is inversely proportional to growth rate.
Tipo: | Text
Idioma: | Francês
Identificador: | http://archimer.ifremer.fr/doc/00133/24469/22483.pdf
Editor: | Adac-cryptogamie
Relação: | http://archimer.ifremer.fr/doc/00133/24469/
Formato: | application/pdf
Fonte: | Cryptogamie Algologie (0181-1568) (Adac-cryptogamie), 1992-08 , Vol. 13 , N. 3 , P. 187-195