Fróðskaparrit - 01.01.1991, Side 71

A NOTE ON THE OCCURENCE OF LAND PLANARIANS
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References
Berglund, B.E.., 1986; Early agriculture in Scandinavia:
Research problems related to pollen-analytical
studies. Norwegian Archaeological Review 18,
77-90.
Buckland, P.C., Perry, D.W., Gislason, G.M. and Dug-
more, A.J., 1986; The pre-Landnam fauna of
Iceland: a palaeontological contribution. Boreas 15
173-184.
Buckland, P.C., 1992; Insects, Man and the earliest set-
tlement of the Faroe Islands: a case not proven.
Fredskild, B 1985; Holocere pollen. Records from West
Greenland, (in Andreass, J.T. ed.) Qvætornary En-
vironments, Eastern Anctec Carada, Batt in Bay
and western Greenland, Atten + Unwin, 643-631.
Fróðskaparrit, tm. Soc.Sic Faers, 36
Godwin, H.G., 1944; Age and origin of the ’Breckland’
heaths of East Anglia, Nature 154 6.
Godwin, H.G., 1948; Studies of the Post-glacial History
of British Vegetation, X Correlations between cli-
mate, forest composition, prehistoric agriculture
and peat stratigraphy in Sub-Boreal and Sub-
Atlantic peats of the Somerset levels, Phil. Trans.
B233 275.
Godwin, H.G., 1975 The History of the British Flora,
Cambridge University Press, 541pp.
Hallsdottir, M., 1987; Pollen analytical studies of hu-
man influence on vegetation in relation to the Land-
nam Tephra Layer in Southwest Iceland, Lundqua
thesis, vol 18, Dept. Quat. Geol. Lund University,
45pp.
Hansom, J.D. and Briggs, D.J. 1991; Holocene Sea-level
change in Vestfirdir, Iceland, (in Maizels, J. and
Caseldine, C. eds.) Environmental Change in
Iceland: past and present, Kluwer, 79-93.
Iversen, J., 1941; landnam i Danmarks Stenalder, En
pollenanalytisk Undersogelse over det forste lands-
brugs Indvirkning paa Vegetationsudvikliger,
Danm. Geol. Unders., Rll, 66.
Johansen, J., 1978; The age of the introduction of Plan-
tago lanceolata to the Shetland Islands, Danm.
Geol. Unders., Arbog 45-48.
Johansen, J., 1985; Studies in the vegetational history of
the Faroe and Shetland Islands: Ann. Societ. Scient.
Faeroe, Suppl. xi 117pp.
Johansen, J., 1989; Plantago lanceolata in the Faroe Is-
lands and its significance as an indicator of pre-
historic settlement, Frodskaparrit, Ann. Societ.
Scient. Faeroe, 34-35, 68-75.
Kristinsson, H., 1987; A guide to the Flowering Plants
and Ferns of Iceland, Orn. og Orlygur Publishers,
Reykjavik.
Vorren, K.D., 1986; The impact of early agriculture on
the vegetation of Northern Norway: A discussion of
anthropogenic indicators in biostratigraphical data,
(in Behre, K.E. (ed) Anthropogenic indicators in
pollen diagrams, A.A. Balkema, 1-18.
J . D. Hansom
Department of Geography and Topographic Science
University of Glasgow
Glasgow G12 8QQ.
D. J. Briggs
Department of Geography
Huddersfield Polytechnic
Huddersfield.