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Intracellular digestion in two sublittoral populations of Ostrea edulis (Lamellibranchia)
Wilson, J.H.; La Touche, R.W. (1978). Intracellular digestion in two sublittoral populations of Ostrea edulis (Lamellibranchia). Mar. Biol. (Berl.) 47(1): 71-77
In: Marine Biology: International Journal on Life in Oceans and Coastal Waters. Springer: Heidelberg; Berlin. ISSN 0025-3162; e-ISSN 1432-1793
Peer reviewed article  
Beschikbaar in  Auteurs 
Trefwoorden
    Biology > Histology
    Digestion
    Eire
    Motion > Water motion > Water currents > Tidal currents
    Ostrea edulis Linnaeus, 1758 [WoRMS]
    Eire [Marine Regions]; Ierland [Marine Regions]
    Marien/Kust
Auteurs  Top 
  • Wilson, J.H.
  • La Touche, R.W.
Abstract
    The rhythmicity of intracellular digestion was examined in two sublittoral populations of Ostrea edulis L. On the West coast of Ireland. During 12 h cycles at each station, 20 oysters were collected each hour, grouped as sub-samples of 5, facing each of the 4 cardinal points of the compass. A segment of digestive diverticula from each oyster was examined histologically and classified according to the digestive phases of the tubules. Oysters at both stations exhibited fluctuations in digestive activity which were not correlated with tidal ebb and flow nor with orientation to tidal currents. A relationship between variations in suspended particulate matter concentration in the water body and digestion is proposed. It is suggested that increases in the levels of particulate matter, by stimulating feeding, cause a significant increase in the proportion of absorptive-phase tubules 4 to 6 h later.
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