Climatic Signals in Tree Ring Anatomical Structure of Larix gmelinii Growing under Contrasting Hydrothermal Conditions within the Forest-Tundra Ecotone

Climatic Signals in Tree Ring Anatomical Structure of Larix gmelinii Growing under Contrasting... The results of comparative analysis of tree-ring anatomical structure in the trunk of Larix gmelinii (Rupr.) Rupr. growing in the forest-tundra ecotone in the north of Middle Siberia in contrasting hydrothermal conditions of permafrost soils are discussed. It is found that the best soil hydrothermal conditions affected the formation of relatively large tracheids in earlywood and latewood during the whole period investigated. Current climate warming has caused a positive trend in annual changes in the cellular characteristics in trees growing in relatively favorable soil conditions and has not caused observable changes in trees growing in adverse conditions. The wood anatomy structure of the water–conducting (earlywood) zone in the tree ring in favorable conditions is determined by the weather of late May and June, and in adverse conditions it is determined by the weather in late April and May. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Biology Bulletin Springer Journals

Climatic Signals in Tree Ring Anatomical Structure of Larix gmelinii Growing under Contrasting Hydrothermal Conditions within the Forest-Tundra Ecotone

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Publisher
Pleiades Publishing
Copyright
Copyright © 2017 by Pleiades Publishing, Inc.
Subject
Life Sciences; Life Sciences, general; Cell Biology; Biochemistry, general; Zoology; Ecology
ISSN
1062-3590
eISSN
1608-3059
D.O.I.
10.1134/S1062359017050089
Publisher site
See Article on Publisher Site

Abstract

The results of comparative analysis of tree-ring anatomical structure in the trunk of Larix gmelinii (Rupr.) Rupr. growing in the forest-tundra ecotone in the north of Middle Siberia in contrasting hydrothermal conditions of permafrost soils are discussed. It is found that the best soil hydrothermal conditions affected the formation of relatively large tracheids in earlywood and latewood during the whole period investigated. Current climate warming has caused a positive trend in annual changes in the cellular characteristics in trees growing in relatively favorable soil conditions and has not caused observable changes in trees growing in adverse conditions. The wood anatomy structure of the water–conducting (earlywood) zone in the tree ring in favorable conditions is determined by the weather of late May and June, and in adverse conditions it is determined by the weather in late April and May.

Journal

Biology BulletinSpringer Journals

Published: Feb 24, 2018

References

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