Seasonal dynamics of an aquatic macroinvertebrate assembly (Hydrobiological case study of Lake Balaton No. 2)

Sipkay, Csaba, Hufnagel, Levente, Révész, András and Petrányi, Gergely (2007) Seasonal dynamics of an aquatic macroinvertebrate assembly (Hydrobiological case study of Lake Balaton No. 2). Applied Ecology and Environmental Research, 5 (2). pp. 63-78.

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In 2002, 2003 and 2004, we took macoinvertebrate samples on a total of 36 occasions at the Badacsony bay of Lake Balaton. Our sampling site was characterised by areas of open water (in 2003 and 2004 full of reed-grass) as well as by areas covered by common reed (Phragmites australis) and narrowleaf cattail (Typha angustifolia). Samples were taken both from water body and benthic ooze by use of a stiff hand net. We have gained our data from processing 208 individual samples. We took samples frequently from early spring until late autumn for a deeper understanding of the processes of seasonal dynamics. The main seasonal patterns and temporal changes of diversity were described. We constructed a weather-dependent simulation model of the processes of seasonal dynamics in the interest of a possible further utilization of our data in climate change research. We described the total number of individuals, biovolume and diversity of all macroinvertebrate species with a single index and used the temporal trends of this index for simulation modelling. Our discrete deterministic model includes only the impact of temperature, other interactions might only appear concealed. Running the model for different climate change scenarios it became possible to estimate conditions for the 2070-2100 period. The results, however, should be treated very prudently not only because our model is very simple but also because the scenarios are the results of different models.

Item Type:Article
Uncontrolled Keywords:climate change scenarios, diversity, macrofauna, simulation model
Divisions:Faculty of Horticultural Science > Department of Mathematics and Informatics
Projects:OTKA T042583, NKFP 6-00079/2005
ID Code:1380
Deposited By: Ádám Hoffmann
Deposited On:19 Nov 2013 15:52
Last Modified:19 Nov 2013 15:52

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