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Please use this identifier to cite or link to this item: https://doi.org/10.21256/zhaw-23429
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dc.contributor.authorKummli, Julia-
dc.contributor.authorWidmer, Stefan-
dc.contributor.authorWilhelm, Markus-
dc.contributor.authorDengler, Jürgen-
dc.contributor.authorBilleter, Regula-
dc.date.accessioned2021-11-10T08:03:55Z-
dc.date.available2021-11-10T08:03:55Z-
dc.date.issued2021-10-31-
dc.identifier.issn0722-494Xde_CH
dc.identifier.issn0373-7632de_CH
dc.identifier.urihttps://digitalcollection.zhaw.ch/handle/11475/23429-
dc.description.abstractMany studies have demonstrated significant alterations in the species composition of grasslands in Central Europe over the past decades due to multiple drivers of anthropogenic environmental change. Most such studies deal with dry, acidic, wet or alpine grassland types, while little is known about changes in mesic grasslands, particularly in urban areas. To investigate the effects of anthropogenic environmental change on such grasslands, we resurveyed a selection of plots in the city of Zurich (Switzerland) approximately 25 years after their original recording. First, we checked whether 241 ex-tensively used mesic grasslands (belonging to the Arrhenatheretalia elatioris) in the city were still grasslands, and whether their management had changed. Then we resurveyed a representative subset of 30 quasi-permanent plots of 50 m². We tested whether biodiversity metrics, mean ecological indicator values, community weighted means (CWMs) of functional traits or the presence of individual vascular plant species had changed. We found that 15% of the original grasslands had been lost due to changes in land use during this period. Of the remaining grasslands, most of the former meadows were still mown, while many of the former pastures had been transformed into meadows. Measures of alpha diversity had not changed significantly for the 30 plots. However, species composition now indicated nutrient poorer, less base-rich and less ruderal site conditions, while CWMs of specific leaf area (SLA) had decreased and that of seed mass increased. In stands that were managed by mowing in both periods there was practically no change, while there was a pronounced change in those that had been trans-formed from grazing to mowing. In general, five species showed a significant increase and 16 species a significant decrease in frequency, with no obvious ecological difference between winners and losers. Alien species were rare in both periods and showed hardly any trend, except Veronica persica, which became rarer. In conclusion, more extensively used grasslands have survived to date than would be anticipated in such a rapidly growing city as Zurich. Their quality has hardly changed during the past quarter century, and if changes occurred, they are rather attributable to the intentional change of man-agement from grazing to mowing. The relatively good ecological state of these urban grasslands mightbe due to a lower agricultural land use pressure than outside urban areas, as well as a constant manage-ment of many of these grasslands with a conservation focus. By maintaining these grasslands in their current state, they may have the potential to contribute to the conservation of biodiversity in urban areas.de_CH
dc.language.isoende_CH
dc.publisherFloristisch-Soziologische Arbeitsgemeinschaftde_CH
dc.relation.ispartofTuexeniade_CH
dc.rightsLicence according to publishing contractde_CH
dc.subjectSwitzerlandde_CH
dc.subjectZurichde_CH
dc.subjectBiodiversityde_CH
dc.subjectArrhenatherion elatiorisde_CH
dc.subjectCSR-strategyde_CH
dc.subjectEcological indicator valuede_CH
dc.subjectGreen spacede_CH
dc.subjectMeadowde_CH
dc.subjectVegetation changede_CH
dc.subjectUrban ecologyde_CH
dc.subjectFunctional traitde_CH
dc.subjectMesic grasslandde_CH
dc.subjectMolinio-Arrhenathereteade_CH
dc.subjectPasturede_CH
dc.subjectResurveyde_CH
dc.subject.ddc333.7: Landflächen, Naturerholungsgebietede_CH
dc.subject.ddc580: Pflanzen (Botanik)de_CH
dc.titleVegetation changes in urban grasslands over 25 years in the city of Zurich, Switzerlandde_CH
dc.typeBeitrag in wissenschaftlicher Zeitschriftde_CH
dcterms.typeTextde_CH
zhaw.departementLife Sciences und Facility Managementde_CH
zhaw.organisationalunitInstitut für Umwelt und Natürliche Ressourcen (IUNR)de_CH
dc.identifier.doi10.14471/2021.41.018de_CH
dc.identifier.doi10.21256/zhaw-23429-
zhaw.funding.euNode_CH
zhaw.originated.zhawYesde_CH
zhaw.pages.end440de_CH
zhaw.pages.start423de_CH
zhaw.publication.statuspublishedVersionde_CH
zhaw.volume41de_CH
zhaw.publication.reviewPeer review (Publikation)de_CH
zhaw.webfeedVegetationsökologiede_CH
zhaw.author.additionalNode_CH
zhaw.display.portraitYesde_CH
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Kummli, J., Widmer, S., Wilhelm, M., Dengler, J., & Billeter, R. (2021). Vegetation changes in urban grasslands over 25 years in the city of Zurich, Switzerland. Tuexenia, 41, 423–440. https://doi.org/10.14471/2021.41.018
Kummli, J. et al. (2021) ‘Vegetation changes in urban grasslands over 25 years in the city of Zurich, Switzerland’, Tuexenia, 41, pp. 423–440. Available at: https://doi.org/10.14471/2021.41.018.
J. Kummli, S. Widmer, M. Wilhelm, J. Dengler, and R. Billeter, “Vegetation changes in urban grasslands over 25 years in the city of Zurich, Switzerland,” Tuexenia, vol. 41, pp. 423–440, Oct. 2021, doi: 10.14471/2021.41.018.
KUMMLI, Julia, Stefan WIDMER, Markus WILHELM, Jürgen DENGLER und Regula BILLETER, 2021. Vegetation changes in urban grasslands over 25 years in the city of Zurich, Switzerland. Tuexenia. 31 Oktober 2021. Bd. 41, S. 423–440. DOI 10.14471/2021.41.018
Kummli, Julia, Stefan Widmer, Markus Wilhelm, Jürgen Dengler, and Regula Billeter. 2021. “Vegetation Changes in Urban Grasslands over 25 Years in the City of Zurich, Switzerland.” Tuexenia 41 (October): 423–40. https://doi.org/10.14471/2021.41.018.
Kummli, Julia, et al. “Vegetation Changes in Urban Grasslands over 25 Years in the City of Zurich, Switzerland.” Tuexenia, vol. 41, Oct. 2021, pp. 423–40, https://doi.org/10.14471/2021.41.018.


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