Effect of fires on the ecosystems of subtaiga forest-steppe forests in the southwestern Baikal Region

被引：3
|
作者：
Krasnoshchekov, Yu. N. [1 ]
Evdokimenko, M. D. [1 ]
Cherednikova, Yu. S. [1 ]
机构：
[1] Russian Acad Sci, Siberian Branch, Sukachev Inst Forest, Krasnoyarsk 660036, Russia
来源：
CONTEMPORARY PROBLEMS OF ECOLOGY | 2013年 / 6卷 / 05期
关键词：
subtaiga forest-steppe pine forests; ground fires of the litter-humus type; pyrogenic vegetation successions; soil morphology; organogenic pyrogenic soil layers; ash chemical content of litters; physico-chemical properties of soils;
D O I：
10.1134/S1995425513050053
中图分类号：
Q14 [生态学（生物生态学）];
学科分类号：
071012 ; 0713 ;
摘要：
The data of experimental studies on the after-fire digression of subtaiga forest-steppe pine forests in the Southwestern Baikal Region are analyzed. Ground fires of the litter-humus type are ascertained to be the most destructive factor in the dynamics of pine forests. The effect of a ground fire is accompanied with the drying of trees, and the vital capacity of those that survived the fire depends on the severity of fire damages. The characteristic of the lower vegetation layers and its dynamics under the effect of moderately intense fires are presented. Ground fires are shown to negatively affect the change in the reserve qualitative fractional structure of organogenic soil layers and their chemical composition.
引用
收藏
页码：477 / 485
页数：9
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