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Forest Science Database

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Abstract

Recent findings indicated spruce from North America and larch from eastern Siberia to be the dominating tree species of Arctic driftwood throughout the Holocene. However, changes in source region forest and river characteristics, as well as ocean current dynamics and sea ice extent likely influence ...

Author(s)
Hellmann, L.; Tegel, W.; Kirdyanov, A. V.; Eggertsson, Ó.; Esper, J.; Agafonov, L.; Nikolaev, A. N.; Knorre, A. A.; Myglan, V. S.; Churakova, O.; Schweingruber, F. H.; Nievergelt, D.; Verstege, A.; Büntgen, U.
Publisher
Institute of Arctic and Alpine Research, Boulder, USA
Citation
Arctic, Antarctic, and Alpine Research, 2015, 47, 3, pp 449-460
Abstract

Three hundred and seventy-seven tree-ring width site chronologies including all eight principal forest tree species within Central Europe (5° to 15°E; 43° to 53°N) are expressed as Cropper-values and mapped using a Geographical Information System (here after referred to as GIS). Spatial...

Author(s)
Neuwirth, B.; Schweingruber, F. H.; Winiger, M.
Publisher
Elsevier GmbH, Jena, Germany
Citation
Dendrochronologia, 2007, 24, 2/3, pp 79-89
Abstract

Scots pine provenances from all over Russia planted in 1964 at the forest-steppe zone were analyzed. Eight tree-ring characteristics from 12 different provenances were measured densitometrically. The time span of tree-ring observation covers the period from 1969 to 1997. The sensitivity coefficient ...

Author(s)
Savva, Yu. V.; Schweingruber, F. H.; Vaganov, E. A.; Milyutin, L. I.
Publisher
International Association of Wood Anatomists (IAWA), Leiden, Netherlands
Citation
IAWA Journal, 2003, 24, 4, pp 371-383
Abstract

The influence of irrigation on the growth of Scots pines was investigated by comparing trees growing along an open water channel with trees growing under natural conditions. We focussed on the reaction of pines to sudden changes in water availability due to the cessation of irrigation and on the...

Author(s)
Rigling, A.; Brühlhart, H.; Bräker, O. U.; Forster, T.; Schweingruber, F. H.
Publisher
Elsevier Science B.V., Amsterdam, Netherlands
Citation
Forest Ecology and Management, 2003, 175, 1/3, pp 285-296
Abstract

Since the end of World War II, especially between 1960 and 1980, natural regeneration in the Swiss Alps accelerated. Predominant causes are connected to socio-economic changes, population shift in urban areas, abandonment of limited yield stands and changes in land management methods. The...

Author(s)
Schöne, B. R.; Schweingruber, F. H.
Publisher
Birkhäuser Verlag AG, Basel, Switzerland
Citation
Botanica Helvetica, 2001, 111, 2, pp 151-168
Abstract

A historical and dendro-ecological study is made of the long-term development of Scots pine (Pinus sylvestris) forests in Grisons canton, Switzerland. The stands have been affected by mining operations since AD 1400, clear-felling (until 1876), forest grazing (up until 1950), and increased game...

Author(s)
Rigling, A.; Schweingruber, F. H.
Citation
Schweizerische Zeitschrift für Forstwesen, 1997, 148, 3, pp 173-196
Abstract

This paper describes a new dendrochronological classification system for oaks (Quercus) and pines (Pinus sylvestris) using intraannual wood anatomical features such as growth ring positions, latewood and earlywood characteristics, pores, vessels and calluses.

Author(s)
Leuschner, H. H.; Schweingruber, F. H.
Publisher
Urban & Fischer Verlag GmbH & Co. KG, Jena, Germany
Citation
Dendrochronologia, 1996, 14, pp 273-285
Abstract

Details are given of a dendrogeomorphological study made in Brunjini (Valais Canton, Switzerland), in an area subject to landslips and landslides. Analyses were made of the rings of 20 trees (11 Picea abies, 2 Larix decidua, 2 Pinus sylvestris, 1 Betula sp., 1 Salix sp. and 1 Alnus sp.) which had...

Author(s)
Schmid, D.; Schweingruber, F. H.
Citation
Schweizerische Zeitschrift für Forstwesen, 1995, 146, 8, pp 641-659
Abstract

Event years in pines (Pinus sylvestris) in ecologically uniform areas show a different distribution pattern each year. Where at least 80% of the trees in an easily delimited sub-area exhibit an event year, we speak of a sub-area event year, although the proportion is much lower than that for the...

Author(s)
Koukoui, P.; Schweingruber, F. H.
Publisher
Urban & Fischer Verlag GmbH & Co. KG, Jena, Germany
Citation
Dendrochronologia, 1994, 12, pp 135-144
Abstract

An analysis was made of core samples taken from 128 Fagus sylvatica, 99 Picea abies, 65 Pinus sylvestris, 21 Abies alba, 16 Larix decidua and 24 Fraxinus excelsior on 10 sites in a limited area near Bern, Switzerland. Negative and positive indicator years were determined, and attempts made to...

Author(s)
Schweingruber, F. H.; Wehrli, U.; Aellen-Rumo, K.; Aellen, M.
Citation
Schweizerische Zeitschrift für Forstwesen, 1991, 142, 1, pp 33-51

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