The Molybdenum deposit at Mätäsvaara in Carelia (E. Finland)

Kranck, E. H.

doi:10.1080/11035894509446442

Cited by 6 publications

(2 citation statements)

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“…Similar phenomena are documented all over northern Fennoscandia (e.g. Kranck 1909, Olafsen 1911, Caseldine & Matthews 1987, Kullman 1987, 1996a and in the European Alps (Damm 1998).…”

Section: The Long-term Perspectivementioning

confidence: 57%

Tree-limit rise and recent warming: a geoecological case study from the Swedish Scandes

Kullman

2000

Norsk Geografisk Tidsskrift - Norwegian Journal of Geography

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Tree-limit rise and recent warming: a geoecological case study from the Swedish Scandes LEIF KULLMAN Kullman, L. 2000. Tree-limit rise and recent warming: a geoecological case study from the Swedish Scandes.Twentieth-century elevational tree-limit (TL) and species-limit histories have been reconstructed for Pinus sylvestris, Picea abies and Betula pubescens ssp. tortuosa within a permanent belt transect in the southern Swedish Scandes. Upward TL shifts of 100-130 m between c. 1915 and 1999 appear related to a summer warming of c. 0.78C, and increased winter temperatures. Rates of tree recruitment and individual growth have increased substantially since 1974, notably during the 1990s, apparently mainly in response to some warm summers and a sequence of exceptionally mild winters. The distributional trend during the 20th century constitutes a fundamental and unexpected break in a monotonic, century-scale TL descent throughout most of the Holocene (exemplified by Pinus sylvestris), which was particularly accentuated during the 'Little Ice Age' of the past several centuries. Assuming that the TL stabilizes at the new, higher level for several decades, its elevation will be higher than at any time during at least the past c. 4000 radiocarbon years. This recent history is relevant as one possible model of the ecological consequences of anthropogenic climate forcing, and the TL may be an appropriate and sensitive system for monitoring the ecological effects of future climate change and variability.

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“…Similar phenomena are documented all over northern Fennoscandia (e.g. Kranck 1909, Olafsen 1911, Caseldine & Matthews 1987, Kullman 1987, 1996a and in the European Alps (Damm 1998).…”

Section: The Long-term Perspectivementioning

confidence: 57%

Tree-limit rise and recent warming: a geoecological case study from the Swedish Scandes

Kullman

2000

Norsk Geografisk Tidsskrift - Norwegian Journal of Geography

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“…The ore is composed of molybdenite-bearing quartz and pegmatite veins and impregnations in the contact zone of the tonalite gneiss and granite, forming a ∼1-30-m-wide and 800-m-long northwest-trending ore zone parallel to the general foliation of the gneiss (Kranck, 1945). The ore is composed of molybdenite-bearing quartz and pegmatite veins and impregnations in the contact zone of the tonalite gneiss and granite, forming a ∼1-30-m-wide and 800-m-long northwest-trending ore zone parallel to the general foliation of the gneiss (Kranck, 1945).…”

Section: Mätäsvaara Mo Depositmentioning

confidence: 99%