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Reakcja mezofauny (Collembola and Acarina) zamieszkująca łąki na mineralnych i organicznych glebach, na wiosenne doświadczalne pożary

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Olejniczak I., Russel S., Prędecka A.
Studia Ecologiae et Bioethicae
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2014
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vol. 12
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issue 3
121-134
EN
The impact of spring experimental fires on collembolan and mite communities was studied in this field experiment. In April 2008, experimental plots of 1m2 in size were chosen and burnt. Samples were taken just after fire, and 3, 7 and 12 months following the fire, in burnt plots, at the border of burnt plots and in surroundings (control). The impact of spring experimental fire on mesofauna was ambiguous. But it seems that effects of spring fires were more severe in the case of springtails than for mites.
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The impact of experimental forest fire on collembolan communities

100%
Olejniczka I., Russel S., Prędecka A.
Studia Ecologiae et Bioethicae
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2014
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vol. 12
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issue 4
115-125
EN
Our study was carried out in fresh pine mixed forest, Biala Forest, near Warsaw (52°59’ N, 21°46’ E and 52°79’ N, 21°89’E, Eastern Poland). Three experimental plots, 1m2 size, were chosen at random and burnt in June. Material was collected: just after experimental fire (in June ), 30 , 60 and 90 days after fire (respectively: in July, August and September). On every sampling occasion 10 soil samples of an area of 10 cm2 and a depth of 5 cm were taken in each sampling plots: burnt plots, in border of burnt plots and in surroundings of burnt plots. We found that experimental fire influenced on collembolan densities (Kruskall-Wallis test, H=8.29, P=0.01). Just after experimental fire we fo¬und no collembolans in burnt plots. In a period of 90 days following the experimental fire densities of springtails of burnt and surroundings were similar. Euedaphic springtails were the dominating group in burnt plots and contrary to the border of burnt plots and surroundings, we noticed no epigeic springtails. Contribution of epigeic, hemiedaphic and euedaphic species in collembolan communities of investigated areas could point to different defence strategies of these invertebrates. Immature individuals of Collembola were the most numerous in burnt plots and at border of burnt plots and this phenomenon is probably crucial for reconstruction of collembolan communities after fire.
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