The Plankton of the SeaAmerican Elsevier Publishing Company, 1966 - 426 pagine |
Dall'interno del libro
Risultati 1-3 di 31
Pagina 264
... Hensen did to achieve this was to make a careful physical and mathematical study of what happened when nets with different dimensions and different meshes were hauled vertically upwards from the bottom to the surface of the sea . To ...
... Hensen did to achieve this was to make a careful physical and mathematical study of what happened when nets with different dimensions and different meshes were hauled vertically upwards from the bottom to the surface of the sea . To ...
Pagina 266
... Hensen's quantitative methods by his contem- poraries . His fellow - countryman , Haeckel , could not be persuaded that it was possible to make a numerical appraisal of the marine plankton that would have any validity at all , and ...
... Hensen's quantitative methods by his contem- poraries . His fellow - countryman , Haeckel , could not be persuaded that it was possible to make a numerical appraisal of the marine plankton that would have any validity at all , and ...
Pagina 267
... Hensen's methods and there is a residue in them which we must take account of even now . Nevertheless , they did not go far enough to invalidate the general application of the method in any substantial way , as time was to show when ...
... Hensen's methods and there is a residue in them which we must take account of even now . Nevertheless , they did not go far enough to invalidate the general application of the method in any substantial way , as time was to show when ...
Sommario
PREFACE page | 13 |
INTRODUCTION | 17 |
THE FIELDS of the Sea | 43 |
Copyright | |
14 sezioni non visualizzate
Altre edizioni - Visualizza tutto
Parole e frasi comuni
adult Algae algal amphipod Antapical Antarctic Appendicularia Arctic arrow worm auxospore Biddulphia biol Biological body bottom Calanus Calanus finmarchicus called carbon cells Ceratium Chaetoceros Chaetognatha ciliated Cleve coast coastal copepods Coscinodiscus Crustacea deep water depth diameter diatoms distribution Dorsal eggs Ehbg elegans euphausid Expedition female Figure fish Fisheries flagellated floating G. O. Sars genera genus gonozooid growth Grun hauled Hensen individuals jelly-fish Laboratory larva latitudes latter layer light living lower marine medusa mentioned mouth Mysidae neritic North Atlantic North Sea Norwegian Sea number of species nutrients occur oceanic organic matter oxygen parasite pelagic peridinians Peridinium photophores photosynthesis phyto phytoplankton plankton plankton organisms plants Plate polyp population produced Rhizosolenia round Sagitta samples Sars sea water seasonal segments shell shrimps spores stage standing crop stations Steemann Nielsen surface water swimming temperature thoracic Thysanoessa tion tropical tube Uropod Ventral vertical warmer zone zooplankton