The Plankton of the SeaAmerican Elsevier Publishing Company, 1966 - 426 pagine |
Dall'interno del libro
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Pagina 92
... swimming upside - down ! Atlanta is similar to Carinaria , but has a large light coiled shell . The most important group of molluscans that live their whole lives in the plankton is that of the Pteropoda ( winged feet ) . This group ...
... swimming upside - down ! Atlanta is similar to Carinaria , but has a large light coiled shell . The most important group of molluscans that live their whole lives in the plankton is that of the Pteropoda ( winged feet ) . This group ...
Pagina 98
... swimming feet . The copepods that swim freely in the plankton are sometimes divided into those in which the fifth segment of the cephalothorax remains an obvious part of that division of the body - Gymnoplea ( meaning ' naked abdomen ...
... swimming feet . The copepods that swim freely in the plankton are sometimes divided into those in which the fifth segment of the cephalothorax remains an obvious part of that division of the body - Gymnoplea ( meaning ' naked abdomen ...
Pagina 177
... swimming is related to the intensity of light . How these methods interact or whether they interact at times so as ... swimming horizontally , i.e. at right angles to the light , and the vigour of their swimming increased with the ...
... swimming is related to the intensity of light . How these methods interact or whether they interact at times so as ... swimming horizontally , i.e. at right angles to the light , and the vigour of their swimming increased with the ...
Sommario
PREFACE page | 13 |
INTRODUCTION | 17 |
THE FIELDS of the Sea | 43 |
Copyright | |
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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