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001-es BibID:	BIBFORM111148
035-os BibID:	(WoS)000989305400001
Első szerző:	Kovacsics-Vári Gergely
Cím:	Intensity-dependent effects of cattle and sheep grazing in sand grasslands - Does livestock type really matter? / Gergely Kovacsics-Vári, Judit Sonkoly, Katalin Tóth, Andrea Mcinthosh-Buday, Patricia Diaz Cando, Viktória Törő-Szíjgyártó, Nóra Balogh, Luis Roberto, Guallichici Suntaxi, Francis David Espinoza Ami, László Demeter, Béla Tóthmérész, Péter Török
Dátum:	2023
ISSN:	1402-2001 1654-109X
Megjegyzések:	Aims: By analysing cattle and sheep grazed sand grasslands we tested the following hypotheses: (i) Livestock type has a stronger effect on the vegetation characteristics than grazing intensity. (ii) Sheep grazing results in lower biomass and species and functional diversity than cattle grazing, regardless to intensity. (iii) Increased grazing intensity causes a shift of the trait composition in grasslands. Location: Sand grasslands in the Nyírség region, East Hungary. Methods: We selected 26 sand grassland sites grazed by cattle or sheep, and classified them into four intensity levels. Vegetation composition was surveyed in 2 m x 2 m plots. We harvested the aboveground biomass from 20 cm x 20 cm plots; then dried and sorted it to live biomass, litter, moss, and lichen. We compared Rao dissimilarity index, species richness, Shannon diversity, evenness, and the community weighted means of nine vegetative and generative traits along a grazing intensity gradient. We calculated functional richness, evenness, and divergence for comparison. Results: We found that some diversity metrics and community weighted means of most studied traits were significantly affected by grazing intensity. Several characteristics were also affected by the interaction of grazing intensity and livestock type, but none of the studied characteristics were affected by livestock type in itself. Increasing Rao dissimilarity index peaking at the fourth grazing intensity level was detected, but for other multi-trait indices no such changes were proven, except for functional divergence, which was the lowest at the first intensity level. Graminoid, forb, and litter biomass were significantly affected by intensity, but none of the biomass fractions were affected by livestock type. Conclusions: We suggest that for the management of sand grasslands, grazing intensity should be carefully adjusted considering not only livestock units per hectare. For practical recommendations well-defined, long-term experiments studying different livestock and habitat types along an intensity gradient would be essential
Tárgyszavak:	Természettudományok Környezettudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk grazing intensity grazing cattle grazing sheep grazing steppe pasture sand grassland plant traits biomass
Megjelenés:	Applied Vegetation Science. - "Accepted by Publisher" : - (2023), p. -. -
További szerzők:	Sonkoly Judit (1989-) (biológus) Tóth Katalin Buday Andrea Díaz Cando, Patricia Törő-Szijgyártó Viktória Balogh Nóra Roberto, Luis Suntaxi, Guallichico Espinoza, Ami Francis David Demeter László Tóthmérész Béla (1960-) (ökológus) Török Péter (1979-) (biológus-ökológus)
Pályázati támogatás:	PD 137747 Egyéb K 119225 Egyéb K 137573 Egyéb KKP 144068 Egyéb
Internet cím:	Szerző által megadott URL DOI Intézményi repozitóriumban (DEA) tárolt változat
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