Inter-individual variation partially explains patterns of orientation on steeply sloped substrata in a keystone grazer, the limpet Cellana tramoserica
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| 024 | 7 | 0 | |a 10.1007/s10452-015-9515-6 |2 doi |
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| 245 | 0 | 0 | |a Inter-individual variation partially explains patterns of orientation on steeply sloped substrata in a keystone grazer, the limpet Cellana tramoserica |h [Elektronische Daten] |c [Clarissa Fraser, Ross Coleman, Frank Seebacher] |
| 520 | 3 | |a Our knowledge of why animals orientate in specific directions is less than for any other type of distribution; this is especially true for intertidal organisms. Understanding the behaviour of intertidal organisms on vertical/near-vertical surfaces is important as the relative abundance of these surfaces will increase with elevated sea levels. Orientation by marine organisms is a fundamental behaviour, but most studies have addressed environmental influences on orientation. It is equally true that habitat properties, intraspecific interactions and intrinsic individual variation will be important. Populations of the limpet Cellana tramoserica exhibit a downwards bias in orientation on steeply sloped substrata (>60°), but orientation varies among individuals. We tested whether differences in orientation are explained by inter-individual behavioural variations, in a population examined for 4months in each of 2years. Significantly, more limpets than expected consistently orientated downwards ("downwards facing limpets”) and additionally the majority of limpets were consistently found on steeply sloped substrata. The number of "downwards facing limpets” we found was not sufficiently large enough to completely explain population-level patterns of orientation, as only 8% of limpets consistently faced downwards compared to 39% of a population facing downwards at any given point in time. Also, individuals that consistently occupied steeply sloped substrata were no more likely to orientate downwards than others. We suggest that intrinsic inter-individual variation among limpets influences orientation. The temporal variation in individual orientation observed emphasises the requirement for adequate temporal replication in experiments before proposing causal explanations. | |
| 540 | |a Springer Science+Business Media Dordrecht, 2015 | ||
| 690 | 7 | |a Australia |2 nationallicence | |
| 690 | 7 | |a Distribution |2 nationallicence | |
| 690 | 7 | |a Intertidal |2 nationallicence | |
| 690 | 7 | |a Rocky shore |2 nationallicence | |
| 690 | 7 | |a Vertical habitat |2 nationallicence | |
| 700 | 1 | |a Fraser |D Clarissa |u Coastal and Marine Ecosystems, School of Biological Sciences, Marine Ecology Laboratories (A11), The University of Sydney, 2006, Sydney, NSW, Australia |4 aut | |
| 700 | 1 | |a Coleman |D Ross |u Coastal and Marine Ecosystems, School of Biological Sciences, Marine Ecology Laboratories (A11), The University of Sydney, 2006, Sydney, NSW, Australia |4 aut | |
| 700 | 1 | |a Seebacher |D Frank |u School of Biological Sciences, Heydon-Laurence Building (A08), The University of Sydney, 2006, Sydney, NSW, Australia |4 aut | |
| 773 | 0 | |t Aquatic Ecology |d Springer Netherlands |g 49/2(2015-06-01), 189-197 |x 1386-2588 |q 49:2<189 |1 2015 |2 49 |o 10452 | |
| 856 | 4 | 0 | |u https://doi.org/10.1007/s10452-015-9515-6 |q text/html |z Onlinezugriff via DOI |
| 898 | |a BK010053 |b XK010053 |c XK010000 | ||
| 900 | 7 | |a Metadata rights reserved |b Springer special CC-BY-NC licence |2 nationallicence | |
| 908 | |D 1 |a research-article |2 jats | ||
| 949 | |B NATIONALLICENCE |F NATIONALLICENCE |b NL-springer | ||
| 950 | |B NATIONALLICENCE |P 856 |E 40 |u https://doi.org/10.1007/s10452-015-9515-6 |q text/html |z Onlinezugriff via DOI | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Fraser |D Clarissa |u Coastal and Marine Ecosystems, School of Biological Sciences, Marine Ecology Laboratories (A11), The University of Sydney, 2006, Sydney, NSW, Australia |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Coleman |D Ross |u Coastal and Marine Ecosystems, School of Biological Sciences, Marine Ecology Laboratories (A11), The University of Sydney, 2006, Sydney, NSW, Australia |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Seebacher |D Frank |u School of Biological Sciences, Heydon-Laurence Building (A08), The University of Sydney, 2006, Sydney, NSW, Australia |4 aut | ||
| 950 | |B NATIONALLICENCE |P 773 |E 0- |t Aquatic Ecology |d Springer Netherlands |g 49/2(2015-06-01), 189-197 |x 1386-2588 |q 49:2<189 |1 2015 |2 49 |o 10452 | ||