a much higher alertness and swimming acitivity of roach and white bream than of bream. The presence of insect pupae ... organisms in bream. When a#39;pump-filter- feedinga#39; on benthic organisms these fine openings obstruct the easy passage ofanbsp;...
|Title||:||Jurassic palynology of the Vilhelmsfält Bore no. 1, Scania, Sweden|