33
the H.M. Beagle in 1831–1832, had all commented on the presence of Trichodesmium
on surface waters during their passages in the tropical oceans. At the time of all
these observations, cyanobacteria were not yet recognized to be diazotrophic. Many
of the historical observations of Trichodesmium by marine phycologists, [along
with another phytoplankton association now known to be diazotrophic, the oligotroFig. 3.2 Cruise track of and observed Trichodesmium distributions on the Great Plankton
Expedition in 1889. (Wille 1904)
3.1 History of Studies of Marine N 2 Fixation
the H.M. Beagle in 1831–1832, had all commented on the presence of Trichodesmium
on surface waters during their passages in the tropical oceans. At the time of all
these observations, cyanobacteria were not yet recognized to be diazotrophic. Many
of the historical observations of Trichodesmium by marine phycologists, [along
with another phytoplankton association now known to be diazotrophic, the oligotroFig. 3.2 Cruise track of and observed Trichodesmium distributions on the Great Plankton
Expedition in 1889. (Wille 1904)
3.1 History of Studies of Marine N 2 Fixation