Répartition du picophytoplancton

Table des matières

1. INTRODUCTION GÉNÉRALE
Réseaux trophiques pélagiques
Répartition du microphytoplancton et du nanophytoplancton
Répartition du picophytoplancton
Région sous étude
Objectifs de la recherche
II. PHYTOPLANKTON DISTRIBUTION ALONG A 3500 KM TRANSECT IN
CANADIAN ARCTIC WATERS IN LATE SUMMER: STRONG DOMINANCE
OF PICOEUKARYOTES 
ABSTRACT
INTRODUCTION
MATERIALS AND METHODS
Study site and sampling
Physical and chemical measurements
B iological measurements
Statistical and data analysis
RESULTS
Physical and chemical environment
Phytoplankton biomass and abundance
Taxonomic composition and accessory pigments
Dominance of small phytoplankton cells
DISCUSSION
Dominance of photosynthetic picoeukaryotes throughout the Arctic Ocean
Distribution of picophytoplankton vs larger phytoplankton
Ecological implications in a changing climate
CONCLUSION
III. CONCLUSION GÉNÉRALE