INVESTIGADORES
ALDER Viviana Andrea
artículos
Título:
Macro and micrograzing effects on phytoplankton communities.The expedition Antarktis VII/3 (EPOS Leg 2) of R/V Polarstern l988/1989
Autor/es:
ALDER, V.A.; CUZIN-ROUDY, J.; FRANZ, G.; GRANELI, E.; LARSEN, J.; RABBANI, M.; THOMSEN, H.
Revista:
Berichte fur Polarforschung
Editorial:
Alfred Wegener Institut
Referencias:
Lugar: Bremerhaven; Año: 1989 vol. 65 p. 132 - 134
ISSN:
0176-5027
Resumen:
Grazers have two general effects on phytoplankton: They ingest them thereby causing mortality, but they also excrete nutrients, thereby enhancing grow. In Antarctic waters phytoplankton biomass is low in spite of high level of inorganic nutrients. The article shows experimental results based on light and nutrients (bottom up) versus grazer (top down) control of phytoplankton species composition, size spectrum and biomass performed during Leg II of EPOS Project.
