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001-es BibID:	BIBFORM061241
035-os BibID:	(WoS)000359036400006 (Scopus)84930399243
Első szerző:	Kolozsvári István (biológia és földrajz szakos tanár)
Cím:	Dragonfly assemblages in the upper parts of the River Tisza : a comparison of larval and exuvial data in three channel types / Kolozsvári István, Szabó László József, Dévai György
Dátum:	2015
ISSN:	1217-8837
Megjegyzések:	We studied dragonfly assemblages in the Ukrainian section of the River Tisza, which still shows several natural (unregulated) properties. In 2010 and 2011 larvae and exuviae were collected in the vicinity of the villages Vilok ( Tiszaújlak), Nove Szelo ( Tiszaújhely), Tiszobikeny ( , Tiszabökény) and of the towns Vinohragyiv ( Nagyszőlős) and Huszt ( Huszt). We collected our samples from 8 sites in the main channel, 2 sites in side channels and 3 sites in two dead channels. We collected 255 larvae and 1587 exuviae, from which 8 species of dragonflies were identified [Gomphus vulgatissimus (Linnaeus, 1758), Stylurus flavipes (Charpentier, 1825), Onychogomphus forcipatus (Linnaeus, 1758), Ophiogomphus cecilia (Fourcroy, 1785), Somatochlora metallica (van der Linden, 1825), Calopteryx splendens (Harris, 1782), Platycnemis pennipes (Pallas, 1771), and Sympecma fusca (van der Linden, 1820)]. We compared the species composition of dragonflies in the three habitats. In the case of larvae in the main channel G. vulgatissimus (48.0%), C. splendens (29.6%) and O. forcipatus (20.8%) dominated, while in the dead channels C. splendens (49.5%) and P. pennipes (23.7%) were found most frequently. In the side channels G. vulgatissimus, O. forcipatus and C. splendens were the most frequent species. S. Flavipes appeared only in the main and side channels, while S. metallica and S. fusca were only detected in the dead channels.
Tárgyszavak:	Természettudományok Környezettudományok idegen nyelvű folyóiratközlemény hazai lapban folyóiratcikk Upper-Tisza Odonata Gomphidae larvae exuviae
Megjelenés:	Acta Zoologica Academiae Scientiarum Hungaricae. - 61 : 2 (2015), p. 189-204. -
További szerzők:	Szabó László József (1955-) (ökológus, hidrobiológus) Dévai György (1942-) (ökológus)
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001-es BibID:	BIBFORM120955
035-os BibID:	(Scopus)85125066592 (WOS)000782845500007
Első szerző:	Szabó László József (ökológus, hidrobiológus)
Cím:	Change of morphometric and allometric patterns on wings of banded demoiselle (Calopteryx splendens) males in case of ecologically different watercourse types / László József Szabó, Csilla Vajda, Petra Éva Szalay, Olga Kis, Margit Miskolczi, György Dévai
Dátum:	2022
ISSN:	1217-8837
Megjegyzések:	In nature, dragonfly larvae living in watercourses are exposed to a complex system of environmental influences. Different watercourse types (creeks, brooks, streams, little rivers and medial rivers) are known to provide different conditions for larval development (water depth, flow rate, temperature, oxygen content, substrate type, nutrient supply, etc.). These conditions can vary significantly between watercourse types but can be very similar within types. This work examines the body sizes and wing morphometric characteristics of males of Calopteryx splendens reared from different watercourse types (brook, stream, creek, little river, medial river). Although there were no significant differences in body size depending on watercourse types, significant differences were found in the wing features. We found the greatest number of differences between the individuals reared from streams and creeks and the individuals reared from a stream and medial river. Our results show that the individuals reared from different watercourse types were different on the two wings. The results also suggest significant differences in the number and pattern of allometric features on the wings of individuals reared from different watercourse types.
Tárgyszavak:	Természettudományok Környezettudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk allometry damselflies NE Hungary wing features variations
Megjelenés:	Acta Zoologica Academiae Scientiarum Hungaricae. - 68 : 1 (2022), p. 99-118. -
További szerzők:	Vajda Csilla Szalay Petra Éva Kis Olga (1989-) (hidrobiológus) Miskolczi Margit (1954-) (ökológus) Dévai György (1942-) (ökológus)
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