onr:"swepub:oai:lup.lub.lu.se:58473a46-bde5-4a2a-87e8-f64516167e9d"
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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 03255naa a2200397 4500 | |
| 001 | oai:lup.lub.lu.se:58473a46-bde5-4a2a-87e8-f64516167e9d | |
| 003 | SwePub | |
| 008 | 160401s2005 | |||||||||||000 ||eng| | |
| 009 | oai:DiVA.org:uu-77415 | |
| 024 | 7 | a https://lup.lub.lu.se/record/2442882 URI |
| 024 | 7 | a https://doi.org/10.1007/s00114-005-0607-32 DOI |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-774152 URI |
| 040 | a (SwePub)lud (SwePub)uu | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a art2 swepub-publicationtype |
| 072 | 7 | a ref2 swepub-contenttype |
| 100 | 1 | a Hettyey, A4 aut |
| 245 | 1 0 | a Does testis weight decline towards the Subarctic? A case study on the common frog, Rana temporaria |
| 264 | c 2005-03-12 | |
| 264 | 1 | b Springer Science and Business Media LLC,c 2005 |
| 520 | a Interpopulation comparisons of variation in resource availability and in allocation patterns along altitudinal and latitudinal gradients allow insights into the mechanisms shaping the life history of animals. Patterns of between-population differences in female life history traits have been studied intensively across a wide range of taxa, but similar investigations in males have remained scarce. To study if testis weight - ameasure of reproductive investment - varies on a geographical scale in anurans, we focussed on the variation in relative testis weight (RelTW) and asymmetry in 22 populations of the common frog Rana temporaria along a 1,600-km latitudinal transect across the Scandinavian peninsula. We found that RelTW decreased towards the north. Body mass and body length both had independent positive effects on testes mass. We found evidence for directional asymmetry (DA) in testis weight with the right testis being larger than the left. The level of DA in testis weight was not related to latitude, but both body mass and testes mass had independent positive effects on asymmetry. We discuss the northwards decrease in RelTW in terms of a decreased reproductive investment as a possible consequence of harsher environmental conditions, and perhaps also, weaker sexual selection in the north than in the south. | |
| 650 | 7 | a NATURVETENSKAPx Biologix Ekologi0 (SwePub)106112 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Biological Sciencesx Ecology0 (SwePub)106112 hsv//eng |
| 700 | 1 | a Laurila, Anssiu Uppsala universitet,Institutionen för ekologi och evolution,Populationsbiologi,populationsbiologi4 aut0 (Swepub:uu)ansslaur |
| 700 | 1 | a Herczeg, G4 aut |
| 700 | 1 | a Jönsson, Ingemaru Lund University,Lunds universitet,Biologiska institutionen,Naturvetenskapliga fakulteten,Department of Biology,Faculty of Science4 aut0 (Swepub:lu)teor-ijo |
| 700 | 1 | a Kovacs, T4 aut |
| 700 | 1 | a Merila, H4 aut |
| 700 | 1 | a Merilä, Juha4 aut |
| 710 | 2 | a Uppsala universitetb Institutionen för ekologi och evolution4 org |
| 773 | 0 | t Naturwissenschaftend : Springer Science and Business Media LLCg 92:4, s. 188-192q 92:4<188-192x 1432-1904x 0028-1042 |
| 856 | 4 | u http://dx.doi.org/10.1007/s00114-005-0607-3y FULLTEXT |
| 856 | 4 8 | u https://lup.lub.lu.se/record/244288 |
| 856 | 4 8 | u https://doi.org/10.1007/s00114-005-0607-3 |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-77415 |
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