Species diversity and abundance of plant-dwelling chironomids across hierarchical habitat and seasonal scales in the oxbow lakes of River Tisza, Hungary

Mónika Tóth, Diána Árva, Sándor A. Nagy, A. Specziár

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

In temperate regions, plant-dwelling chironomids can be considered as cyclic colonizers that inhabit seasonally ephemeral submerged and foating-leaved macrophytes. In this study, patterns of abundance and species richness of plant-dwelling chironomids were investigated within and among stands of three macrophyte species in oxbow lakes along the River Tisza (Hungary). Chironomids colonized macrophytes rapidly and most species occupied the habitat before it had completely developed in June. Assemblage structure and abundance of particular species varied considerably between plant species, oxbow lakes and summer months in a characteristic succession from June to August indicating the presence of dynamic selection mechanisms. Abundance of most species, except Endochironomus tendens, total chironomid abundance, within-sample and total species diversity were highest on the submerged plant Ceratophyllum demersum, and most species occurred at the beginning of the colonization succession, in June. The contribution of oxbow lakes (20.3 %) and the month sampled (20.3 %) to total chironomid diversity was higher than would be expected by chance alone and the contribution of within (19.7 %) and between samples (13.5 %) to total chironomid diversity was lower than would be expected by chance alone. We conclude that regional biodiversity conservation action plans should include multiple habitats. Moreover, the signifcant seasonal species turnover proved the need for seasonal sampling to assess accurately the total diversity of chironomids in the system.

Original languageEnglish
Pages (from-to)309-321
Number of pages13
JournalFundamental and Applied Limnology
Volume182
Issue number4
DOIs
Publication statusPublished - 2013

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oxbow lakes
oxbow lake
Chironomidae
Hungary
species diversity
rivers
habitat
habitats
river
macrophytes
Ceratophyllum demersum
action plan
submerged aquatic plants
macrophyte
dwelling
sampling
turnover
colonization
species richness
biodiversity

Keywords

  • Balanced hierarchical sampling design
  • Chironomidae
  • Cyclic colonization
  • Diversity partitioning
  • Macrophytes
  • Spatio-temporal pattern

ASJC Scopus subject areas

  • Aquatic Science
  • Ecology, Evolution, Behavior and Systematics
  • Ecology

Cite this

Species diversity and abundance of plant-dwelling chironomids across hierarchical habitat and seasonal scales in the oxbow lakes of River Tisza, Hungary. / Tóth, Mónika; Árva, Diána; Nagy, Sándor A.; Specziár, A.

In: Fundamental and Applied Limnology, Vol. 182, No. 4, 2013, p. 309-321.

Research output: Contribution to journalArticle

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