Morphological traits - desiccation resistance - habitat characteristics: A possible key for distribution in woodlice (Isopoda, Oniscidea)

Diána Csonka, K. Halasy, Krisztina Buczkó, Elisabeth Hornung

Research output: Contribution to journalArticle

Abstract

Terrestrial isopods, as successful colonizers of land habitats, show a great variety in species distribution patterns on a global, continental, or regional scale. On a local, within-habitat level these patterns reflect the species’ tolerance limits and the presence of suitable hiding places (shelter sites, refugia). Humidity preference reflects a species’ capability for water retention which, in turn, depends on the integumental barrier. Desiccation resistance is a key feature in isopod survival under different environmental conditions. The present study shows a correlation between cuticle thickness and desiccation resistance under three relative humidity (RH) ranges (about 30, 75 and 100% RH) in nine species, relating these to the species’ differences in meso- and microhabitat choices. Habitat preferences are also associated with differences in cuticle surface morphology. The results support our hypothesis that species distribution and desiccation resistance are associated with particular cuticular morphological traits. Phylogenetic relations seem to be less important in desiccation resistance than cuticle thickness and external morphology.

Original languageEnglish
Pages (from-to)481-499
Number of pages19
JournalZooKeys
Volume2018
Issue number801
DOIs
Publication statusPublished - Jan 1 2018

Fingerprint

Isopoda
desiccation
relative humidity
biogeography
cuticle
habitat
habitat preferences
habitats
refuge habitats
interspecific variation
microhabitats
humidity
isopod
environmental factors
phylogeny
water
water retention
refugium
habitat selection
shelter

Keywords

  • Eco-morphology
  • Habitat preference
  • Intrageneric comparison
  • Mortality
  • Sympatric species
  • Water loss

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Animal Science and Zoology

Cite this

Morphological traits - desiccation resistance - habitat characteristics : A possible key for distribution in woodlice (Isopoda, Oniscidea). / Csonka, Diána; Halasy, K.; Buczkó, Krisztina; Hornung, Elisabeth.

In: ZooKeys, Vol. 2018, No. 801, 01.01.2018, p. 481-499.

Research output: Contribution to journalArticle

Csonka, Diána ; Halasy, K. ; Buczkó, Krisztina ; Hornung, Elisabeth. / Morphological traits - desiccation resistance - habitat characteristics : A possible key for distribution in woodlice (Isopoda, Oniscidea). In: ZooKeys. 2018 ; Vol. 2018, No. 801. pp. 481-499.
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