Fróðskaparrit - 01.01.2001, Síða 135

ÚTBREIÐSLA OG TAL AV MÚSABRÓÐUR (TROGLODYTES) í FØROYUM
139
Nilsson, S.G. 1986. Density-independence and density-
dependence in the population dynamics of the Wren
Troglodytes troglodytes and the Goldcrest Regulus
regulus. Vđr Fágelv. Suppl. 11:155-160.
Patursson, S. 1948. Fuglameingi er Landsvirði. Tór-
shavn.
Petersen, A. 1998. Islenskir Fuglar. Reykjavík.
Rutherford, G.K. (ed.). 1982. The physical environment
ofthe Faeroe Islands. The Hague.
Salomonsen, F. 1934. Aves. Zool. of the Faroes, Vol.
III, Part II. Copenhagen.
Seaton, A.V. (ed.). 1989. Journal ofan expedition to the
Feroe and Westman Island and lceland 1833 by
George Clayton Atkinson. Newcastle upon Tyne.
Sharrock, J.T.R. 1976. The Atlas of Breeding Birds in
Britain and Ireland. Berkhamsted.
Venables, L.S.V. and Venables, U.M. 1955. Birds and
Mammals ofShetland. Edinburgh and London.
Williamson, K. 1948 (2nd ed. 1970). The Atlantic Is-
lands. A Study of the Faeroe Life and Scene. Lon-
don.
Williamson, K. 1953. Notes on island Wrens. Brit. Birds
46:231-232.
Williamson, K. 1958. Population and breeding environ-
ment of the St. Kilda and Fair Isle Wrens. Ihid.
51:369-393.
Williamson, K. 1965. Fair Isle and its hirds. Edinburgh
and London.
Williamson, K. and Boyd, J.M. 1963. A Mosaic of ls-
lands. Edinburgh and London.
Williamson, M. 1996. Biological Invasions. Population
and Community Biology Series 15. London.G-