the future of butterflies in transylvania · 2017. 7. 12. · transylvania“ coordinator: prof....
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The future of butterflies in Transylvania, Romania
Jacqueline Loos, PhD scholar
Future of Butterflies in Europe III
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„Sustainable development in Transylvania“
Coordinator: Prof. Jörn Fischer
Birds Mammals
Butterflies Plants
Ecosystem services
Political institutions
Future of Butterflies in Transylvania · Jacqueline Loos
Duration: 2010-2014
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Future of Butterflies in Transylvania · Jacqueline Loos
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History
1947-1989 Communist era: collective farms 1989 postsocialist era: subsistence farming 2007 EU accession: CAP, Infrastructure development
Future of Butterflies in Transylvania · Jacqueline Loos
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30 % Forest 15 % Arable land 40 % Pasture & meadow
Current situation
72 % of holdings < 1ha
communal grazing
Future of Butterflies in Transylvania · Jacqueline Loos
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Future of Butterflies in Transylvania · Jacqueline Loos
Crex crex
Bombina variegata
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Trollius europaeus
Future of Butterflies in Transylvania · Jacqueline Loos
Orchis spp.
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source: www.lepiforum.de & Jacqueline Loos
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Land use change
drastic land use change:
– abandonment
– intensification
Future of Butterflies in Transylvania · Jacqueline Loos
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Abandonment
Future of Butterflies in Transylvania · Jacqueline Loos
shrub encroachment
loss of open stuctures
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Future of Butterflies in Transylvania · Jacqueline Loos
Intensification
• Subsistence farming unprofitable
• Agricultural subsidy payments not for small parcels
• Enhanced use of machines & chemicals
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Research project on butterflies
Aims:
(i) species distribution of Rhopalocera, Zygaenidae & host plants in relation to land use
(ii) forecast effects of land use change on species richness and composition
(iii) effects of landscape elements on presence and movement patterns
Future of Butterflies in Transylvania · Jacqueline Loos
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Future of Butterflies in Transylvania · Jacqueline Loos
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Land-use- Categories
Forest Grassland +/- woody veg. abandoned
Arable land +/- woody veg. fine & coarse scale
5 plots per village
Future of Butterflies in Transylvania · Jacqueline Loos
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First results from pilot study 2011
June & July 2011
26 sites à 1 ha
200 m Pollard Transects
4 temporal replicates
81 species
3330 individuals
Future of Butterflies in Transylvania · Jacqueline Loos
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photo credits: J. Loos, lepiforum.de & eurobutterflies.com
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Future of Butterflies in Transylvania · Jacqueline Loos
Species richness & Abundance
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• 30 Village catchments
• gradients:
–heterogeneity
–woody vegetation
Future of Butterflies in Transylvania · Jacqueline Loos
Future prospects
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Future of Butterflies in Transylvania · Jacqueline Loos
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The future of butterflies in Transylvania, Romania
Future of Butterflies in Transylvania · Jacqueline Loos
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Thanks to:
Future of Butterflies in Transylvania · Jacqueline Loos
• Dr. Tibor Hartel
• Prof. Henrik von Wehrden
• Dr. Jan Hanspach
• Mihai Eminescu Trust
• Fundatia Adept
• Prof. Laszlo Rakosy
• Dr. Szekely Levente