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| Description
| - Rapid expansion and intensification of anthropogenic activities in the 20th century has caused profound changes in freshwater assemblages. Knowledge of the extent and causes of species loss is limited due to the lack of reliable historic data. An exemplary data set allows us to compare changes in the most sensitive of aquatic insect orders, the Plecoptera, at some 170 localities in the Czech Republic between two time periods, 1955–1960 and 2006–2010. Historical data (1890–1911) on assemblages of six lowland rivers allow us to infer even earlier changes. Regional stonefly diversity decreased in the first half of the 20th century. Streams at lower altitudes lost a substantial number of species which were never recovered. In the second half of the century, large-scale anthropogenic pressure caused species loss in all habitats, leading to a dissimilarity of contemporary and previous assemblages. Contemporary assemblages are the consequence of more than a hundred years of anthropogenic impacts. In particular, streams at lower altitude and intensively exploited landscapes host a mere fragment of the original species. Most stonefly species are less frequently present than before, although their assemblages remain almost intact in near-natural mountain streams. Our analyses demonstrate dramatic constriction of species ranges and, in some cases, apparent changes in altitude preference throughout the area.
- Rapid expansion and intensification of anthropogenic activities in the 20th century has caused profound changes in freshwater assemblages. Knowledge of the extent and causes of species loss is limited due to the lack of reliable historic data. An exemplary data set allows us to compare changes in the most sensitive of aquatic insect orders, the Plecoptera, at some 170 localities in the Czech Republic between two time periods, 1955–1960 and 2006–2010. Historical data (1890–1911) on assemblages of six lowland rivers allow us to infer even earlier changes. Regional stonefly diversity decreased in the first half of the 20th century. Streams at lower altitudes lost a substantial number of species which were never recovered. In the second half of the century, large-scale anthropogenic pressure caused species loss in all habitats, leading to a dissimilarity of contemporary and previous assemblages. Contemporary assemblages are the consequence of more than a hundred years of anthropogenic impacts. In particular, streams at lower altitude and intensively exploited landscapes host a mere fragment of the original species. Most stonefly species are less frequently present than before, although their assemblages remain almost intact in near-natural mountain streams. Our analyses demonstrate dramatic constriction of species ranges and, in some cases, apparent changes in altitude preference throughout the area. (en)
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| Title
| - Species loss of stoneflies (Plecoptera) in the Czech Republic over the 20th century
- Species loss of stoneflies (Plecoptera) in the Czech Republic over the 20th century (en)
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| skos:prefLabel
| - Species loss of stoneflies (Plecoptera) in the Czech Republic over the 20th century
- Species loss of stoneflies (Plecoptera) in the Czech Republic over the 20th century (en)
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| skos:notation
| - RIV/60077344:_____/12:00383380!RIV13-AV0-60077344
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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| http://linked.open...iv/cisloPeriodika
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/60077344:_____/12:00383380
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - anthropogenic impact; long-term changes; species extinction (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
| - GB - Spojené království Velké Británie a Severního Irska
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...vavai/riv/projekt
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| http://linked.open...UplatneniVysledku
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| http://linked.open...v/svazekPeriodika
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| http://linked.open...iv/tvurceVysledku
| - Bojková, J.
- Soldán, Tomáš
- Komprdová, K.
- Zahrádková, S.
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| http://linked.open...ain/vavai/riv/wos
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| issn
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| number of pages
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| http://bibframe.org/vocab/doi
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