Hydrobiont animals in floodplain soil: Are they positively or negatively affected by flooding?

0429107 - BC 2015 RIV GB eng J - Článek v odborném periodiku
Devetter, Miloslav - Schöll, K.
Hydrobiont animals in floodplain soil: Are they positively or negatively affected by flooding?
Soil Biology and Biochemistry. Roč. 69, February (2014), s. 393-397. ISSN 0038-0717
Grant ostatní: Deutsche Bundesstiftung Umwelt(DE) AZ 24050
Institucionální podpora: RVO:60077344
Klíčová slova: Rotifers * Bdelloids * floodplain * limnoterrestrial communities * species response * variance partitioning
Kód oboru RIV: EH - Ekologie - společenstva
Impakt faktor: 3.932, rok: 2014

Small metazoans in soil are typically animals of hydrobiont origin: They live in small amounts of water in capillaries and water film around soil particles. We studied the effects of occasional flooding on communities of soil Rotifers in the Gemenc floodplain (Duna-Drava National Park). Based on the abundances of 31 rotifer species, an ordination determined flood frequency as a significant driving factor in rotifer development. The effect of flooding is stronger than seasonality or forest type. Many species establish populations only in never flooded (Encentrum sp., Adineta gracilis) or rarely flooded areas, while some species are present in sites flooded from time to time. Species populations showed a continuum on the given gradient with no species having their optimum on frequently flooded sites. The impact of flooding on communities is much more important than the effect of forest type or season. Significant species responses to the effect of flood frequency have been determined, which demonstrate an occupation of different niches of each species. Based on this sample of soil rotifers, it appears that aquatic animals in floodplain soil are negatively affected by floods in general. This effect is comparable with the effect of seasonal changes in the community, but is much higher than the effect of forest type or differences among replicate series.
Trvalý link: http://hdl.handle.net/11104/0236132