Fen meadows on the move for the conservation of Maculinea (Phengaris) teleius butterflies

In the Netherlands, a single population of the obligate myrmecophilic butterfly Maculinea (Phengaris) teleius has survived on only 3 ha of habitat for more than 25 years, whereas at least 40 ha of habitat are thought to be required for a sustainable metapopulation. Therefore, 170 ha of farmland is b...

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Vydáno v:Journal of insect conservation Ročník 21; číslo 3; s. 379 - 392
Hlavní autoři: Wynhoff, I., Kolvoort, A. M., Bassignana, C. F., Berg, M. P., Van Langevelde, F.
Médium: Journal Article
Jazyk:angličtina
Vydáno: Cham Springer International Publishing 01.06.2017
Springer Nature B.V
Témata:
Agricultural land
Animal behavior
Animal Ecology
Ants
Biodiversity
Biomedical and Life Sciences
butterflies
Butterflies & moths
Colonization
Conservation
Conservation Biology/Ecology
Endangered species
Entomology
Environmental restoration
Excavation
Fen meadow
Fens
ground vegetation
Habitat restoration
Habitats
hay
Host plants
Inoculation
Knowledge bases (artificial intelligence)
Lasius niger
Life cycle engineering
Life cycles
LIFE project
Life Sciences
Meadows
Metapopulations
Myrmecophily
Myrmica
Myrmica scabrinodis
Nests
Netherlands
Original Paper
Parasites
Phengaris teleius
Restoration
Sanguisorba officinalis
soil
summer
Translocation
Translocation experiment
Vegetation
Netherlands
Habitat restoration
Translocation experiment
Myrmica
LIFE project
Fen meadow
Myrmecophily
ISSN:1366-638X, 1572-9753
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Shrnutí:In the Netherlands, a single population of the obligate myrmecophilic butterfly Maculinea (Phengaris) teleius has survived on only 3 ha of habitat for more than 25 years, whereas at least 40 ha of habitat are thought to be required for a sustainable metapopulation. Therefore, 170 ha of farmland is being restored to wet meadows within a LIFE + project by large-scale soil excavation and hay inoculation. For successful restoration, the habitat requirements of the butterfly, with Sanguisorba officinalis as host plant and its particular life cycle as parasite of the ant species Myrmica scabrinodis , have to be taken into account. We tested whether colonization of nests of this ant species in the restoration areas is facilitated by translocation of sods collected from fen meadows. We divided 54 sods, each sized 1 m 2 , randomly over six patches and measured vegetation development and ant presence in the sods and surrounding control plots for 2 years. In the first summer, significantly more Myrmica ants were found in the transplanted sods in comparison to the surrounding area. Herb cover had a significant positive effect on Myrmica ant presence while it did not affect the presence of the pioneer ant species Lasius niger . In the second year, Myrmica ants were found in the surrounding control plots as well. This study contributes to the knowledge-base required for the design of restoration projects aimed at expanding the habitat of the critically endangered butterfly Maculinea (Phengaris) teleius .
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ISSN:1366-638X
1572-9753
DOI:10.1007/s10841-016-9941-3