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Late Quaternary Forest Development of the Torneträsk Area, North Sweden. 1. Structure of Modern Forest Ecosystems

M. Sonesson and B. Lundberg
Oikos
Vol. 25, No. 2 (1974), pp. 121-133
Published by: Wiley on behalf of Nordic Society Oikos
DOI: 10.2307/3543633
Stable URL: http://www.jstor.org/stable/3543633
Page Count: 13
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Late Quaternary Forest Development of the Torneträsk Area, North Sweden. 1. Structure of Modern Forest Ecosystems
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Abstract

Forests were separated into four major heath and two major meadow types, mainly on criteria in the ground vegetation. Betula pubescens Ehrh. was the main tree species, whereas Pinus silvestris L. and Alnus incana (L.) Moench were infrequent and showed a relic type of distribution. Forest types are related to differences in moisture, nutrient conditions, snow cover, and the biotic influences of the stands. /// Леса, В особенности на основании почвенной растителъности, разделяются на следующие типы: четыре преимущественно степного и два преимущественно лугового типа. Главная порода деревьев состояла из Betula pubescens Ehrl., между тем как Pinus silvestris L. и Alnus incana (L.) Moench встречались реже и представлялч тип реликтового распространеня. Типы лесов состояс в зависимости от разниц степени влажности, питательных веществ, снежного покрова и Биологических влияний на лесонасаждения.

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