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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 04782naa a2200433 4500 | |
| 001 | oai:DiVA.org:lnu-93263 | |
| 003 | SwePub | |
| 008 | 200404s2020 | |||||||||||000 ||eng| | |
| 009 | oai:DiVA.org:liu-175229 | |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-932632 URI |
| 024 | 7 | a https://doi.org/10.1111/1365-2664.136112 DOI |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-1752292 URI |
| 040 | a (SwePub)lnud (SwePub)liu | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a ref2 swepub-contenttype |
| 072 | 7 | a art2 swepub-publicationtype |
| 100 | 1 | a Johansson, Victoru Calluna AB, Linköping, Sweden4 aut0 (Swepub:liu)vicjo28 |
| 245 | 1 0 | a Extreme weather affects colonization :b extinction dynamics and the persistence of a threatened butterfly |
| 264 | c 2020-04-06 | |
| 264 | 1 | b John Wiley & Sons,c 2020 |
| 338 | a electronic2 rdacarrier | |
| 500 | a Data are available via the Dryad Digital Repository https://doi.org/10.5061/dryad.s1rn8pk4k (Johansson, Kindvall, Askling, & Franzén, 2020). | |
| 520 | a Extreme weather events can be expected to increase in frequency in the future. Our knowledge on how this may affect species persistence is, however, very limited. For reliable projections of future persistence we need to understand how extreme weather affects species' population dynamics.We analysed the effect of extreme droughts on the host plant Succisa pratensis, colonization-extinction dynamics, and future persistence of the threatened marsh fritillary Euphydryas aurinia. Specifically, we studied a metapopulation inhabiting a network of 256 patches on Gotland (Sweden), where the summer of 2018 was the driest ever recorded. We analysed how the frequency and leaf size of host plants changed between 2017 and 2019, based on 6,833 records in 0.5-m(2) sample plots. Using turnover data on the butterfly from 2018 to 2019 we modelled local extinction and colonization probabilities. Moreover, we projected future population dynamics with an increasing frequency of extreme years under three different management strategies that regulate the grazing regime.Our results show a substantial decrease in both frequency (46%) and size (20%) of host plants due to the drought, which taken together may constitute a 57% loss of food resources. The butterfly occupancy decreased by over 30% between 2018 and 2019 (from 0.36 to 0.27). The extinction probability increased with increasing 'effective area' of the patch (taking quality reduction due to grazing into account), and the colonization probability increased with increasing connectivity and ground moisture.Projections of future dynamics showed an increasing risk of metapopulation extinction with increasing frequency of years with extreme droughts. The risk, however, clearly differed between management strategies. Less grazing in years with droughts decreased the extinction risk considerably.Synthesis and applications. Extreme weather events can have profound negative impacts on butterflies and their host plants. For the marsh fritillary, an increased frequency of extreme droughts can lead to extinction of the entire metapopulation, even in a large and seemingly viable metapopulation. Increased grazing, due to fodder deficiency in dry years, may lead to cascading negative effects, while active management that reduce grazing in years with droughts can almost completely mitigate these effects. | |
| 650 | 7 | a NATURVETENSKAPx Biologix Ekologi0 (SwePub)106112 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Biological Sciencesx Ecology0 (SwePub)106112 hsv//eng |
| 653 | a Ecology | |
| 653 | a Ekologi | |
| 700 | 1 | a Kindvall, Oskaru Calluna AB, Linköping, Sweden4 aut |
| 700 | 1 | a Askling, Johnu Calluna AB, Linköping, Sweden4 aut |
| 700 | 1 | a Franzén, Markusu Linnéuniversitetet,Institutionen för biologi och miljö (BOM),Ctr Ecol & Evolut Microbial Model Syst EEMiS,Center for Ecology and Evolution in Microbial Systems, EEMiS, Department of Biology and Environmental Science, Linnaeus University, Kalmar, Sweden4 aut0 (Swepub:lnu)mafrac |
| 710 | 2 | a Calluna AB, Linköping, Swedenb Institutionen för biologi och miljö (BOM)4 org |
| 773 | 0 | t Journal of Applied Ecologyd : John Wiley & Sonsg 57:6, s. 1068-1077q 57:6<1068-1077x 0021-8901x 1365-2664 |
| 856 | 4 | u https://doi.org/10.1111/1365-2664.13611y Fulltext |
| 856 | 4 | u https://lnu.diva-portal.org/smash/get/diva2:1421654/FULLTEXT01.pdfx primaryx Raw objecty fulltext:print |
| 856 | 4 | u https://besjournals.onlinelibrary.wiley.com/doi/pdfdirect/10.1111/1365-2664.13611 |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-93263 |
| 856 | 4 8 | u https://doi.org/10.1111/1365-2664.13611 |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-175229 |
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