About: Is body shape of mangrove-dwelling monitor lizards (Varanus indicus; Varanidae) sexually dimorphic?

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About: Is body shape of mangrove-dwelling monitor lizards (Varanus indicus; Varanidae) sexually dimorphic? Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://booksandjournals.brillonline.com/content/10.1163/017353710x532184
Description	In monitor lizards, males are typically larger than females, but body shape is usually quite similar in both sexes. We asked whether subtle differences in body shape follow the same pattern as in other sexually dimorphic lizard taxa and thus can be explained by the same selective forces. We tested the hypotheses that (1) females have a longer abdomen due to fecundity selection and (2) males possess bigger heads due to intrasexual selection. We also hypothesised that (3) male monitors show a wider chests and longer upper fore-limbs to win male-male wrestling matches. The results revealed that sexual differences in body shape were small and emerged after maturity. Females have a relatively longer abdomen while males wider chest and longer upper fore-limbs. Thus, the differences in body shape between male and female varanid lizards may be attributed to both fecundity and sexual selection. In monitor lizards, males are typically larger than females, but body shape is usually quite similar in both sexes. We asked whether subtle differences in body shape follow the same pattern as in other sexually dimorphic lizard taxa and thus can be explained by the same selective forces. We tested the hypotheses that (1) females have a longer abdomen due to fecundity selection and (2) males possess bigger heads due to intrasexual selection. We also hypothesised that (3) male monitors show a wider chests and longer upper fore-limbs to win male-male wrestling matches. The results revealed that sexual differences in body shape were small and emerged after maturity. Females have a relatively longer abdomen while males wider chest and longer upper fore-limbs. Thus, the differences in body shape between male and female varanid lizards may be attributed to both fecundity and sexual selection. (en)
Title	Is body shape of mangrove-dwelling monitor lizards (Varanus indicus; Varanidae) sexually dimorphic? Is body shape of mangrove-dwelling monitor lizards (Varanus indicus; Varanidae) sexually dimorphic? (en)
skos:prefLabel	Is body shape of mangrove-dwelling monitor lizards (Varanus indicus; Varanidae) sexually dimorphic? Is body shape of mangrove-dwelling monitor lizards (Varanus indicus; Varanidae) sexually dimorphic? (en)
skos:notation	RIV/00216208:11310/11:10100697!RIV12-AV0-11310___
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(IAA601410803), P(IAA6111410), S
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Frynta, Daniel Frýdlová, Petra Cikánová, Veronika Šimková, Olga
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Karlova v Praze / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	205857
http://linked.open...ai/riv/idVysledku	RIV/00216208:11310/11:10100697
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	agamidae; allometry; squamata; evolution; size; bite force; lacertid lizards; fecundity selection; dragon lizards; Principal components-analysis (en)
http://linked.open.../riv/klicoveSlovo	Principal components-analysis agamidae bite force dragon lizards fecundity selection lacertid lizards squamata evolution allometry size
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[BFA287DAC141]
http://linked.open...i/riv/nazevZdroje	Amphibia - Reptilia
http://linked.open...in/vavai/riv/obor	EG
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Sexual size dimorphism: critical testing of current explanations Recognition of predators and other dangerous organisms by terrestrial vertebrates
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	32
http://linked.open...iv/tvurceVysledku	Frynta, Daniel Cikánová, Veronika Frýdlová, Petra Hnízdo, Jan Rehák, Ivan Velenský, Petr Šimková, Olga
http://linked.open...ain/vavai/riv/wos	000285828800003
issn	0173-5373
number of pages	11 (xsd:int)
http://bibframe.org/vocab/doi	10.1163/017353710X532184
http://localhost/t...ganizacniJednotka	11310

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