The Plankton of the SeaAmerican Elsevier Publishing Company, 1966 - 426 pagine |
Dall'interno del libro
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Pagina 222
... temperature rises and shorten them as it falls , it is also known that in some species the horns may be shortened as the temperature rises . In general , however , we may consider that the effect of rising temperature in Ceratium is to ...
... temperature rises and shorten them as it falls , it is also known that in some species the horns may be shortened as the temperature rises . In general , however , we may consider that the effect of rising temperature in Ceratium is to ...
Pagina 232
... temperature . A Canadian scientist , J. M. Harvey ( 1929 ) , who counted the heart - beats of Calanus finmarchicus , found that between 5.5 ° C , and 16 ° C . this rate went up from 202 to 345 beats per minute , and in so far as it does ...
... temperature . A Canadian scientist , J. M. Harvey ( 1929 ) , who counted the heart - beats of Calanus finmarchicus , found that between 5.5 ° C , and 16 ° C . this rate went up from 202 to 345 beats per minute , and in so far as it does ...
Pagina 233
... temperature in the spring is 0 ° C . to -3 ° C . , they develop at the same rate as would the eggs of warmer water popula- tions subjected to these temperatures . In the laboratory , however , eggs from British seas develop two and a ...
... temperature in the spring is 0 ° C . to -3 ° C . , they develop at the same rate as would the eggs of warmer water popula- tions subjected to these temperatures . In the laboratory , however , eggs from British seas develop two and a ...
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