Man-dependence of House Sparrows (Passer domesticus) in the Faroe Islands: habitat patch characteristics as determinants of presence and numbers

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Fältnamn	Indikatorer	Metadata
000		03815naa a2200397 4500
001		oai:lup.lub.lu.se:f8e01396-fad9-4419-88bf-b8e30c5bdf6f
003		SwePub
008		160404s2010 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://lup.lub.lu.se/record/18847252 URI
040		a (SwePub)lu
041		a engb eng
042		9 SwePub
072	7	a kap2 swepub-publicationtype
072	7	a vet2 swepub-contenttype
100	1	a Bengtson, Sven-Axelu Lund University,Lunds universitet,Zoologiska samlingarna,Biologiska museet,Biologiska institutionen,Naturvetenskapliga fakulteten,Evolutionär ekologi,Zoological collections,Biological Museum,Department of Biology,Faculty of Science,Evolutionary ecology4 aut0 (Swepub:lu)zool-sab
245	1 0	a Man-dependence of House Sparrows (Passer domesticus) in the Faroe Islands: habitat patch characteristics as determinants of presence and numbers
264	1	c 2010
520		a The House Sparrow (Passer domesticus) began to colonize the Faroe Islands in the mid-1940s and occurs in most built-up areas. Breeding is confined to the discrete human habitations (settlements) that form a pattern of patches (”habitat-islands”). In 2002 all settlements were surveyed and the number of pairs of sparrows (total number ca. 2,700 pairs) and amount of vegetation (”green space”) were estimated. The settlements ranged in size from 0.01 km2 (a single farmstead) to 8.72 km2 (the capital) and 68% of them (n=118) were occupied by sparrows. Patch occupancy was positively correlated with both area and amount of vegetation (p < 0.001) but not quite with the degree of isolation (p = 0.15). The latter was crudely scored as a function of distance to nearest settlement with > 10 pairs (a possible source area) and topography (mainly mountains and open sea). The patch variables area, human population, number of houses and houses were strongly intercorrelated. Abundance (number of pairs) of sparrows was positively correlated with the number of houses (r = 0.84, p < 0.001). In all but one of the settlements with < 10 houses sparrows were absent, and also in many of those with 10-60 houses where the scatter swas wide (no significant correlation p = 0.25). All but one of the settlements with > 60 houses supported sparrows and the correlation with abundance was highly significant (p < 0.001). The absence of sparrows in small settlements is discussed in terms of risks of associated with small populations such as stochastic extinctions, Allee effects, competition, and predation (incl. persecution by Man). Various anthropogenic effects on abundance of sparrows are discussed; e.g. age, type and conditions of buildings and the presence of gardens, cultivations, and plantations all contributing to shelter and food resources. The Faroese House Sparrow as a metapopulation is briefly discussed.
650	7	a NATURVETENSKAPx Biologi0 (SwePub)1062 hsv//swe
650	7	a NATURAL SCIENCESx Biological Sciences0 (SwePub)1062 hsv//eng
650	7	a NATURVETENSKAPx Biologix Zoologi0 (SwePub)106082 hsv//swe
650	7	a NATURAL SCIENCESx Biological Sciencesx Zoology0 (SwePub)106082 hsv//eng
653		a House sparrow
653		a Passer domesticus
653		a Faroe Islands
700	1	a Eliassen, Kirstin4 aut
700	1	a Jacobsen, Laura Mary4 aut
700	1	a Magnussen, Eydfinn4 aut
700	1	a Bengtsson, Sven-Axel4 edt
700	1	a Buckland, P.4 edt
700	1	a Enckell, P. H.4 edt
700	1	a Fosaa, A. M.4 edt
710	2	a Zoologiska samlingarnab Biologiska museet4 org
773	0	t Dorete - her book, Annales Societatis Scientiarum Færoensis, Suppl. 52g , s. 227-243q <227-243
856	4	u http://www.setur.fo/uploads/tx_userpubrep/ManDdependenceOfHouseSparrows.pdfx freey FULLTEXT
856	4 8	u https://lup.lub.lu.se/record/1884725

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Dorete - her book, Annales Societatis Scientiarum Færoensis, Suppl. 52 (Sök värdpublikationen i LIBRIS)

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Av författaren/redakt...: Bengtson, Sven-A ...; Eliassen, Kirsti ...; Jacobsen, Laura ...; Magnussen, Eydfi ...; Bengtsson, Sven- ...; Buckland, P.; visa fler...; Enckell, P. H.; Fosaa, A. M.; visa färre...

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NATURVETENSKAP: NATURVETENSKAP; och Biologi

NATURVETENSKAP: NATURVETENSKAP; och Biologi; och Zoologi

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Av lärosätet: Lunds universitet

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