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| Description
| - We investigated possible predictors of common cuckoo Cuculus canorus parasitism in 16 populations of reed warblers Acrocephalus scirpaceus across Europe. We quantified the effect of host density, number of host breeding pairs, habitat type, mean distance to nearest cuckoo vantage point, predation rate and latitude on the presence of cuckoo parasitism while controlling for geographical distance among study populations. Host density was a powerful predictor of parasitism. We also found a less pronounced effect of habitat type on occurrence of parasitism, while the other variables did not explain why cuckoos utilize some reed warbler populations and not others. This is the first study focusing on patterns of common cuckoo-host interactions within a specific host species on a large geographic scale. The results indicate that if host density is below a specific threshold, cuckoo parasitism is absent regardless of the state of other potentially confounding variables.
- We investigated possible predictors of common cuckoo Cuculus canorus parasitism in 16 populations of reed warblers Acrocephalus scirpaceus across Europe. We quantified the effect of host density, number of host breeding pairs, habitat type, mean distance to nearest cuckoo vantage point, predation rate and latitude on the presence of cuckoo parasitism while controlling for geographical distance among study populations. Host density was a powerful predictor of parasitism. We also found a less pronounced effect of habitat type on occurrence of parasitism, while the other variables did not explain why cuckoos utilize some reed warbler populations and not others. This is the first study focusing on patterns of common cuckoo-host interactions within a specific host species on a large geographic scale. The results indicate that if host density is below a specific threshold, cuckoo parasitism is absent regardless of the state of other potentially confounding variables. (en)
- U 16 evropských populací rákosníka obecného Acrocephalus scirpaceus jsme studovali možné prediktory parazitismu kukačkou obecnou Cuculus canorus. Testovali jsme efekt hustoty hostitele, počtu hnízdních párů, typu prostředí, průměrné vzdálenosti k nejbližšímu stromu, predace a zeměpisné šířky na přítomnost parazitismu, přičemž jsme kontrolovali geografickou vzdálenost mezi studovanými populacemi. Silným prediktorem parazitismu byla hustota hostitele. Rovněž jsme zjistili méně významný efekt typu prostředí, ostatní proměnné nevysvětlovaly, proč kukačky parazitují některé populace rákosníka obecného, a jiné nikoli. Tato studie poprvé zkoumala interakce mezi kukačkou a hostitelem v rámci jednoho druhu pěstouna na velkém geografickém měřítku. Naše výsledky naznačují, že pokud hustota hostitele nepřesáhne určitý práh, není daná populace kukačkou parazitována, a to bez ohledu na jiné proměnné. (cs)
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| Title
| - Host density predicts presence of cuckoo parasitism in reed warblers
- Host density predicts presence of cuckoo parasitism in reed warblers (en)
- Hustota hostitele predikuje přítomnost parazitismu kukačkou obecnou (cs)
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| skos:prefLabel
| - Host density predicts presence of cuckoo parasitism in reed warblers
- Host density predicts presence of cuckoo parasitism in reed warblers (en)
- Hustota hostitele predikuje přítomnost parazitismu kukačkou obecnou (cs)
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| skos:notation
| - RIV/68081766:_____/07:00081346!RIV07-AV0-68081766
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| http://linked.open.../vavai/riv/strany
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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/68081766:_____/07:00081346
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - brood parasitism; cuckoo; reed warbler (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
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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...UplatneniVysledku
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| http://linked.open...v/svazekPeriodika
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| http://linked.open...iv/tvurceVysledku
| - Honza, Marcel
- Moksnes, A.
- Procházka, Petr
- Roskaft, E.
- Stokke, B. G.
- Soler, M.
- Thomas, R.
- Bargain, B.
- Dyrcz, A.
- Hafstad, I.
- Rudolfsen, G.
- Leisler, B.
- Beier, J.
- Campas, D. B.
- Møller, A. P.
- Pap, P. L.
- Patapavičius, R.
- Schulze-Hagen, K.
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| http://linked.open...n/vavai/riv/zamer
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| number of pages
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