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001-es BibID:	BIBFORM103369
035-os BibID:	(Wos)000457403000019 (Scopus)85060240373
Első szerző:	Belovics-Görgényi Judit (Hidrobiológus)
Cím:	Contribution of phytoplankton functional groups to the diversity of a eutrophic oxbow lake / Görgényi Judit, Tóthmérész Béla, Várbíró Gábor, Abonyi András, T-Krasznai Enikő, B-Béres Viktoria, Borics Gábor
Dátum:	2019
ISSN:	0018-8158 1573-5117
Megjegyzések:	The functional group (FG) concept suggests that species having different phylogenetic origins but possessing similar functional characteristics can be considered as functional groups and these co-occur in the phytoplankton. Here, we study how functional redundancy of phytoplankton taxa (within group richness) contribute to the species diversity of assemblages in an oxbow lake in the Carpathian Basin. We found that although the observed functional redundancy was similar among several FGs, the shape of the species accumulation curves of these groups was considerably different, implying that the observed species numbers alone do not represent the real functional redundancy of the groups. We demonstrated that FGs that showed asymptotes in species richness estimates in small spatial scale, exhibited steady increase in large spatial, and temporal scales. The contribution of FGs to species richness depended strongly on the relative biomass of each FG. Species accumulation curves of those groups of which elements dominated in the phytoplankton, appeared to be approaching asymptotes. Since the shapes of species accumulation curves refer to the strengths of within-group competition among constituent species, our results imply that functional redundancy of phytoplankton is influenced by the role that the elements play within the assemblages.
Tárgyszavak:	Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk chao`s extrapolation curves functional redundancy species richness
Megjelenés:	Hydrobiologia. - 830 : 1 (2019), p. 287-301. -
További szerzők:	Tóthmérész Béla (1960-) (ökológus) Várbíró Gábor (biológus) Abonyi András (1984-) Krasznai Enikő (biológus) B-Béres Viktória (1981-) (biológus) Borics Gábor (biológus)
Internet cím:	Szerző által megadott URL DOI Intézményi repozitóriumban (DEA) tárolt változat
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