Get 20M+ Full-Text Papers For Less Than $1.50/day. Start a 14-Day Trial for You or Your Team.

Learn More →

The Influence of Temperature On Geotaxis and Phototaxis in Littorina Obtusata (L.)

The Influence of Temperature On Geotaxis and Phototaxis in Littorina Obtusata (L.) THE INFLUENCE OF TEMPERATURE ON GEOTAXIS AND PHOTOTAXIS IN LITTORINA OBTUSATA (L.) by C. R. JANSSEN (Zoological Station, Den Helder) I. INTRODUCTION The species of the genus Littorina belong to the very best examples of a group of marine animals showing vertical zonation within the tidal area. One of the means by which they succeed in keeping to this area is that they possess a negative geotaxis, which holds them near the water surface. That we are dealing with geotaxis here has been shown for Littorina neritoides by Fraenkel (1927), wo found that they react on a centrifugal force in the horizontal plane by moving to the axis of the centrifuge. For several other species it has been demonstrated that a vertical movement upward is not only carried out in the light, but also in the dark, as well as in diffuse light, in which phototaxis does not play a role. That a negative geotaxis is important in these animals cannot, therefore, be doubted. EBBINGE W UBBEN and BARKMAN (BARKMAN 1955) made it seem probable that in the blunt periwinkle, Littorina obtusata, the negative geotaxis is counteracted by a strong preference for Fuca- ceae, on which this species http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives Néerlandaises de Zoologie (in 1967 continued as Netherlands Journal of Zoology) Brill

The Influence of Temperature On Geotaxis and Phototaxis in Littorina Obtusata (L.)

Loading next page...
 
/lp/brill/the-influence-of-temperature-on-geotaxis-and-phototaxis-in-littorina-YAMRBjhVFm

References

References for this paper are not available at this time. We will be adding them shortly, thank you for your patience.

Publisher
Brill
Copyright
© 1960 Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0365-5164
eISSN
1875-3019
DOI
10.1163/036551660X00161
Publisher site
See Article on Publisher Site

Abstract

THE INFLUENCE OF TEMPERATURE ON GEOTAXIS AND PHOTOTAXIS IN LITTORINA OBTUSATA (L.) by C. R. JANSSEN (Zoological Station, Den Helder) I. INTRODUCTION The species of the genus Littorina belong to the very best examples of a group of marine animals showing vertical zonation within the tidal area. One of the means by which they succeed in keeping to this area is that they possess a negative geotaxis, which holds them near the water surface. That we are dealing with geotaxis here has been shown for Littorina neritoides by Fraenkel (1927), wo found that they react on a centrifugal force in the horizontal plane by moving to the axis of the centrifuge. For several other species it has been demonstrated that a vertical movement upward is not only carried out in the light, but also in the dark, as well as in diffuse light, in which phototaxis does not play a role. That a negative geotaxis is important in these animals cannot, therefore, be doubted. EBBINGE W UBBEN and BARKMAN (BARKMAN 1955) made it seem probable that in the blunt periwinkle, Littorina obtusata, the negative geotaxis is counteracted by a strong preference for Fuca- ceae, on which this species

Journal

Archives Néerlandaises de Zoologie (in 1967 continued as Netherlands Journal of Zoology)Brill

Published: Jan 1, 1960

There are no references for this article.