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| Titel: |
Tube-cap orientations of Diopatra cuprea (Bosc) (Polychaeta): The compromise between physiology and foraging |
| Auteur: |
Brenchley, G. A. Tidball, James G. |
| Verschenen in: |
Marine & freshwater behaviour & physiology |
| Paginering: | Jaargang 7 (1980) nr. 1 pagina's 1-13 |
| Jaar: |
1980 |
| Inhoud: |
Diopatra cuprea orients an extension of its tube in response to complex stimuli from the physical and biological environment. The stimuli of unidirectional current flow in laboratory experiments elicited a directional orientation perpendicular to that flow. By this orientation, sediment influx is reduced and water circulation is enhanced within the main shaft of the tube. Field data from a dense population reveal a tendency to orient perpendicular to the current, but only among isolated individuals. As density increases, orientations become random with respect to the current because individuals tend to orient their tube-caps parallel or perpendicular to one another. This density dependent change in behaviour can be best explained as a functional response to food because Diopatra feed on the epibiota of neighbor's tube-caps in addition to their own tube-caps. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 10 van 10 gevonden artikelen
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