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Statements

Subject Item
n2:RIV%2F60077344%3A_____%2F12%3A00390252%21RIV13-AV0-60077344
rdf:type
n3:Vysledek skos:Concept
rdfs:seeAlso
http://link.springer.com/article/10.1007%2Fs10980-011-9686-z?LI=true#
dcterms:description
The landscape matrix is suggested to influence the effect of habitat fragmentation on species richness, but the generality of this prediction has not been tested. Here, we used data from 10 independent studies on butterfly species richness, where the matrix surrounding grassland patches was dominated by either forest or arable land to test if matrix land use influenced the response of species richness to patch area and connectivity. To account for the possibility that some of the observed species use the matrix as their main or complementary habitat, we analysed the effects on total species richness and on the richness of grassland specialist and non-specialist (generalists and specialists on other habitat types) butterflies separately. Specialists and non-specialists were defined separately for each dataset. Total species richness and the richness of grassland specialist butterflies were positively related to patch area and forest cover in the matrix, and negatively to patch isolation. The strength of the species-area relationship was modified by matrix land use and had a slope that decreased with increasing forest cover in the matrix. Potential mechanisms for the weaker effect of grassland fragmentation in forest-dominated landscapes are (1) that the forest matrix is more heterogeneous and contains more resources, (2) that small grassland patches in a matrix dominated by arable land suffer more from negative edge effects or (3) that the arable matrix constitutes a stronger barrier to dispersal between populations. Regardless of the mechanisms, our results show that there are general effects of matrix land use across landscapes and regions, and that landscape management that increases matrix quality can be a complement to habitat restoration and re-creation in fragmented landscapes. The landscape matrix is suggested to influence the effect of habitat fragmentation on species richness, but the generality of this prediction has not been tested. Here, we used data from 10 independent studies on butterfly species richness, where the matrix surrounding grassland patches was dominated by either forest or arable land to test if matrix land use influenced the response of species richness to patch area and connectivity. To account for the possibility that some of the observed species use the matrix as their main or complementary habitat, we analysed the effects on total species richness and on the richness of grassland specialist and non-specialist (generalists and specialists on other habitat types) butterflies separately. Specialists and non-specialists were defined separately for each dataset. Total species richness and the richness of grassland specialist butterflies were positively related to patch area and forest cover in the matrix, and negatively to patch isolation. The strength of the species-area relationship was modified by matrix land use and had a slope that decreased with increasing forest cover in the matrix. Potential mechanisms for the weaker effect of grassland fragmentation in forest-dominated landscapes are (1) that the forest matrix is more heterogeneous and contains more resources, (2) that small grassland patches in a matrix dominated by arable land suffer more from negative edge effects or (3) that the arable matrix constitutes a stronger barrier to dispersal between populations. Regardless of the mechanisms, our results show that there are general effects of matrix land use across landscapes and regions, and that landscape management that increases matrix quality can be a complement to habitat restoration and re-creation in fragmented landscapes.
dcterms:title
The landscape matrix modifies the effect of habitat fragmentation in grassland butterflies The landscape matrix modifies the effect of habitat fragmentation in grassland butterflies
skos:prefLabel
The landscape matrix modifies the effect of habitat fragmentation in grassland butterflies The landscape matrix modifies the effect of habitat fragmentation in grassland butterflies
skos:notation
RIV/60077344:_____/12:00390252!RIV13-AV0-60077344
n3:predkladatel
n4:ico%3A60077344
n5:aktivita
n6:S n6:P n6:I
n5:aktivity
I, P(LC06073), S
n5:cisloPeriodika
1
n5:dodaniDat
n15:2013
n5:domaciTvurceVysledku
n11:3621189
n5:druhVysledku
n20:J
n5:duvernostUdaju
n17:S
n5:entitaPredkladatele
n9:predkladatel
n5:idSjednocenehoVysledku
146389
n5:idVysledku
RIV/60077344:_____/12:00390252
n5:jazykVysledku
n12:eng
n5:klicovaSlova
biodiversity; butterflies; connectivity
n5:klicoveSlovo
n16:butterflies n16:biodiversity n16:connectivity
n5:kodStatuVydavatele
NL - Nizozemsko
n5:kontrolniKodProRIV
[859B07609237]
n5:nazevZdroje
Landscape Ecology
n5:obor
n7:EH
n5:pocetDomacichTvurcuVysledku
1
n5:pocetTvurcuVysledku
10
n5:projekt
n10:LC06073
n5:rokUplatneniVysledku
n15:2012
n5:svazekPeriodika
27
n5:tvurceVysledku
Kadlec, Tomáš Smith, H. G. Öckinger, E. Steffan-Dewenter, I. Franzén, M. Pöyry, J. Kuussaari, M. Bergman, K.-O. Bommarco, R. Krauss, J.
n5:wos
000298228300010
s:issn
0921-2973
s:numberOfPages
11
n14:doi
10.1007/s10980-011-9686-z