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Statements

Subject Item
n2:RIV%2F00216208%3A11310%2F12%3A10127531%21RIV13-MSM-11310___
rdf:type
skos:Concept n5:Vysledek
rdfs:seeAlso
http://dx.doi.org/10.1007/s10344-011-0582-2
dcterms:description
Habitat fragmentation alters many ecological processes, including trophic cascades. For example, increased predation pressure along habitat edges has often been observed in fragmented landscapes. Here, we studied how nest predation risk varies along the transition zone between grassland and mixed forest in Central Europe. Using artificial nests, we tested the two mechanisms that are expected to underlie higher predation rates along edges: (1) the matrix effect model that supposes predator penetration from a habitat type with higher predator density to one with lower predator density and (2) the ecotonal effect model that assumes specific predator preferences for habitat edges. Although our results do not fully support either of these scenarios, our data show high temporal instability in nest predation along forest-grassland edges. Predation was higher in habitat interiors compared to edges during the first year, whereas the opposite pattern was observed during the subsequent year. In addition, dramatic between-year differences in the species composition of nest predators were observed. Therefore, we hypothesise that the effect of edges on nest predation is difficult to predict in landscapes with high predator diversity. In addition, our data indicate that a high abundance of wild boar considerably increases the risk of predation for ground-nesting birds. Habitat fragmentation alters many ecological processes, including trophic cascades. For example, increased predation pressure along habitat edges has often been observed in fragmented landscapes. Here, we studied how nest predation risk varies along the transition zone between grassland and mixed forest in Central Europe. Using artificial nests, we tested the two mechanisms that are expected to underlie higher predation rates along edges: (1) the matrix effect model that supposes predator penetration from a habitat type with higher predator density to one with lower predator density and (2) the ecotonal effect model that assumes specific predator preferences for habitat edges. Although our results do not fully support either of these scenarios, our data show high temporal instability in nest predation along forest-grassland edges. Predation was higher in habitat interiors compared to edges during the first year, whereas the opposite pattern was observed during the subsequent year. In addition, dramatic between-year differences in the species composition of nest predators were observed. Therefore, we hypothesise that the effect of edges on nest predation is difficult to predict in landscapes with high predator diversity. In addition, our data indicate that a high abundance of wild boar considerably increases the risk of predation for ground-nesting birds.
dcterms:title
Temporal variation in nest predation risk along habitat edges between grassland and secondary forest in Central Europe Temporal variation in nest predation risk along habitat edges between grassland and secondary forest in Central Europe
skos:prefLabel
Temporal variation in nest predation risk along habitat edges between grassland and secondary forest in Central Europe Temporal variation in nest predation risk along habitat edges between grassland and secondary forest in Central Europe
skos:notation
RIV/00216208:11310/12:10127531!RIV13-MSM-11310___
n5:predkladatel
n6:orjk%3A11310
n3:aktivita
n12:S n12:P n12:I
n3:aktivity
I, P(LC06073), P(SP/2D3/60/08), S
n3:cisloPeriodika
1
n3:dodaniDat
n19:2013
n3:domaciTvurceVysledku
n17:6781527 n17:1668722
n3:druhVysledku
n13:J
n3:duvernostUdaju
n14:S
n3:entitaPredkladatele
n16:predkladatel
n3:idSjednocenehoVysledku
173735
n3:idVysledku
RIV/00216208:11310/12:10127531
n3:jazykVysledku
n20:eng
n3:klicovaSlova
Wild boar; Matrix effect; Habitat fragmentation; Edge effect; Ecotonal effect
n3:klicoveSlovo
n8:Edge%20effect n8:Ecotonal%20effect n8:Wild%20boar n8:Habitat%20fragmentation n8:Matrix%20effect
n3:kodStatuVydavatele
DE - Spolková republika Německo
n3:kontrolniKodProRIV
[A7AE7440A2E4]
n3:nazevZdroje
European Journal of Wildlife Research
n3:obor
n18:EH
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
5
n3:projekt
n9:LC06073 n9:SP%2F2D3%2F60%2F08
n3:rokUplatneniVysledku
n19:2012
n3:svazekPeriodika
58
n3:tvurceVysledku
Kreisinger, Jakub Svobodová, Jana Albrecht, Tomáš Mrštný, Ladislav Koubová, Martina
n3:wos
000301781700033
s:issn
1612-4642
s:numberOfPages
9
n21:doi
10.1007/s10344-011-0582-2
n7:organizacniJednotka
11310