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001-es BibID:	BIBFORM134304
Első szerző:	Sonkoly Judit (biológus)
Cím:	Nurseries and garden centres act as hubs of alien plant invasions / Judit Sonkoly, Attila Molnár V., Péter Török, Kristóf Süveges, Attila Takács
Dátum:	2025
ISSN:	0032-7786
Megjegyzések:	The growing global horticultural trade has a key role in the introduction of alien plant species into new areas, partly because it also entails the unintentional dispersal of many contaminant species over large distances. However, apart from sporadic reports of such contaminant species, this phenomenon is largely understudied. In order to study this, a systematic field survey of garden centres in Hungary was carried out to assess their role in unintentionally introducing invasive alien species. Twelve garden centres were surveyed in spring, summer and autumn and all individuals of alien species recorded. In addition to the pots and containers of plants for sale, all indoor and outdoor areas, such as flowerbeds, bare and covered surfaces, cracks in the pavement, lawns and other vegetated areas were surveyed. A total of 93,788 individuals of 67 alien species were recorded, seven of which were recorded for the first time in this country. Despite their small area, the studied garden centres hosted a large percentage of the local alien flora, indicating that they strongly accumulate alien species. There were large populations of many alien species, suggesting that garden centres can act as invasion hubs. Trait differences between the alien species in the garden centres and the regional alien flora indicate that the species most successful at colonizing garden centres are both good dispersers and possess an effective resource-acquisitive strategy. Thus, populations of alien plants in garden centres may be the source of local invasions. Moreover, individuals and seeds in the containers of ornamental plants are likely to be transported to distant areas by customers. Despite the limited spatial extent of this survey, the findings indicate that the horticultural trade may act not only as a source of plant introductions, but can also potentially influence the subsequent stages of the invasion process. Thus, there is a need for further studies on the role of species contaminating horticultural stock in alien plant invasions.
Tárgyszavak:	Természettudományok Környezettudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk alien species horticulture human-mediated dispersal nursery industry plant invasion
Megjelenés:	Preslia. - 97 : 4 (2025), p. 659-675. -
További szerzők:	Molnár V. Attila (1969-) (biológus, botanikus) Török Péter (1979-) (biológus-ökológus) Süveges Kristóf (1994-) Takács Attila (1989-) (biológus, botanikus)
Internet cím:	Szerző által megadott URL DOI Intézményi repozitóriumban (DEA) tárolt változat
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001-es BibID:	BIBFORM005001
Első szerző:	Török Péter (biológus-ökológus)
Cím:	Secondary succession in overgrazed Pannonian sandy grasslands / Péter Török, Gábor Matus, Mária Papp, Béla Tóthmérész
Dátum:	2008
ISSN:	0032-7786
Megjegyzések:	We assessed vegetation changes on acidic sandy soils in permanent plots to follow secondary succession after cessation of intensive goose breeding in E Hungary.We also aimed to estimate the time required for vegetation regeneration and indicate differences in secondary succession patterns at different altitudes in sand dunes. Two sites in the low and two in the high parts of the dunes were chosen and sampled for twelve years. The initial stages are characterized by ruderal communities dominated by nitrophilous annual weeds. Ruderal vegetation was soon replaced by nutrient-poor communities dominated by short-lived pioneer dicotyledonous plants and grasses. In the last few years of the study, coinciding with a rainy period, the low sites were dominated by the perennial grasses, Poa angustifolia, P. pratensis and Cynodon dactylon. In contrast, in the high sites a less dense cover of perennials developed. The influence of initial composition on vegetation development decreased with time and the influence of altitude increased during succession. The altitude of the site had a significant effect on regeneration. Species richness and Shannon diversity of the high sites increased during vegetation development and that of the lowsites decreased. Most annuals persisted in the high sites but became extinct in the low sites. The mean species turnover rate, irrespective of altitude, decreased during the study.
Tárgyszavak:	Természettudományok Környezettudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk elevation denudation goose breeding Hungary inland dunes rate of succession species richness
Megjelenés:	Preslia. - 80 (2008), p. 73-85. -
További szerzők:	Matus Gábor (1968-) (botanikus) Papp Mária (1952-) (biológus, botanikus) Tóthmérész Béla (1960-) (ökológus)
Internet cím:	elektronikus változat
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