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Insekter och spindlar i anlagda våtmarker : Intressanta fynd från en systematisk undersökning i Uppland och södra Halland

Hambäck, Peter A. ; Andersson, Michael ; Andersson, Petter ; Hallqvist, Joel ; Hellqvist, Sven ; Persson, Magnus LU ; Strand, John ; Vicente, Raul LU and Åhlen, David (2022) In Entomologisk tidskrift 143(1-2). p.47-66
Abstract (Swedish)
Wetland area has decreased dramatically compared with preindustrial times, and in manyagricultural areas almost all wetlands have been drained to gain cropland. The trend hasin recent years been reversed because society has realized the many benefits of wetlandfunctions, such as for nutrient retention and flood control. In this study we inventoried 75 wetlands in Uppland and Halland for insects and spiders with Malaise traps, pitfall traps andsuction sampling. Most included wetlands are constructed, because the main purpose was toexamine if these wetlands also can be good for arthropod diversity, but we also included somemore natural wetlands as comparison. In total, we identified more than 25,000 individualsof more than 900 species of... (More)
Wetland area has decreased dramatically compared with preindustrial times, and in manyagricultural areas almost all wetlands have been drained to gain cropland. The trend hasin recent years been reversed because society has realized the many benefits of wetlandfunctions, such as for nutrient retention and flood control. In this study we inventoried 75 wetlands in Uppland and Halland for insects and spiders with Malaise traps, pitfall traps andsuction sampling. Most included wetlands are constructed, because the main purpose was toexamine if these wetlands also can be good for arthropod diversity, but we also included somemore natural wetlands as comparison. In total, we identified more than 25,000 individualsof more than 900 species of Coleoptera, Araneae, Diptera and Heteroptera. We found onenew species for Sweden, Hilara manicata Meigen 1822, and 37 new regional records. Alarge number of species found are considered threatened or else rare. Some wetlands closeto Mälaren were particularly interesting, with three species (Hypsosinga heri (Hahn 1831),Rhaphium antennatum (Charlier 1835) and Bagous robustus Brisout de Barneville 1863)that have no records nearby during recent times. These and other species found in the studyshow that constructed wetlands can provide good habitats for arthropod biodiversity andrare species, particularly if wetland shores are grazed and trampled by cattle. (Less)
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author
; ; ; ; ; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Entomologisk tidskrift
volume
143
issue
1-2
pages
20 pages
publisher
Sveriges Entomologiska Förening
ISSN
0013-886X
language
Swedish
LU publication?
yes
id
4ff2529c-1594-46c5-a576-f153bf61ad09
alternative location
https://et-online.nu/index.php/contents/article/view/105
date added to LUP
2023-10-02 14:09:39
date last changed
2023-10-16 10:58:51
@article{4ff2529c-1594-46c5-a576-f153bf61ad09,
  abstract     = {{Wetland area has decreased dramatically compared with preindustrial times, and in manyagricultural areas almost all wetlands have been drained to gain cropland. The trend hasin recent years been reversed because society has realized the many benefits of wetlandfunctions, such as for nutrient retention and flood control. In this study we inventoried 75 wetlands in Uppland and Halland for insects and spiders with Malaise traps, pitfall traps andsuction sampling. Most included wetlands are constructed, because the main purpose was toexamine if these wetlands also can be good for arthropod diversity, but we also included somemore natural wetlands as comparison. In total, we identified more than 25,000 individualsof more than 900 species of Coleoptera, Araneae, Diptera and Heteroptera. We found onenew species for Sweden, Hilara manicata Meigen 1822, and 37 new regional records. Alarge number of species found are considered threatened or else rare. Some wetlands closeto Mälaren were particularly interesting, with three species (Hypsosinga heri (Hahn 1831),Rhaphium antennatum (Charlier 1835) and Bagous robustus Brisout de Barneville 1863)that have no records nearby during recent times. These and other species found in the studyshow that constructed wetlands can provide good habitats for arthropod biodiversity andrare species, particularly if wetland shores are grazed and trampled by cattle.}},
  author       = {{Hambäck, Peter A. and Andersson, Michael and Andersson, Petter and Hallqvist, Joel and Hellqvist, Sven and Persson, Magnus and Strand, John and Vicente, Raul and Åhlen, David}},
  issn         = {{0013-886X}},
  language     = {{swe}},
  month        = {{01}},
  number       = {{1-2}},
  pages        = {{47--66}},
  publisher    = {{Sveriges Entomologiska Förening}},
  series       = {{Entomologisk tidskrift}},
  title        = {{Insekter och spindlar i anlagda våtmarker : Intressanta fynd från en systematisk undersökning i Uppland och södra Halland}},
  url          = {{https://et-online.nu/index.php/contents/article/view/105}},
  volume       = {{143}},
  year         = {{2022}},
}