Structural traits of woody plants and geomorphological conditions to the vegetation recovery at Ksudach caldera(Southern Kamchatka) since the explosive eruption in 1907

作     者：KOPANINA Anna V LEBEDEVA Ekaterina V VLASOVA Inna I TALSKIKH Anastasia V KOPANINA Anna V;LEBEDEVA Ekaterina V;VLASOVA Inna I;TALSKIKH Anastasia V

作者机构：Institute of Marine Geology and GeophysicsFar Eastern Branch of the Russian Academy of SciencesNauka street1 B693022Yuzhno-SakhalinskRussia Institute of GeographyRussian Academy of SciencesStaromonetny s-str.29119017MoscowRussia 

出 版 物：《Journal of Mountain Science》 (山地科学学报（英文）)

年 卷 期：2020年第17卷第7期

页      面：1613-1635页

核心收录：

学科分类：07[理学] 0713[理学-生态学] 

基　　金：supported by the Russian Foundation for Basic Research(Grant RFBR No.15-04-04774)and within the framework of the state contract with the Space Systems Research Institute(Roskosmos)under the"Monitoring-SG"program supported financially by RFBR(Grant№18-0500967) 

主　　题：Ksudach caldera Pioneer species Woody plants Bark Pyroclastic deposits Geomorphological processes 

摘      要：This study considers the restoration of the plant cover destroyed by a catastrophic volcano eruption in the south of Kamchatka Peninsula(the Ksudach caldera,Shtyubel cone),with a particular attention to the role of woody *** aims to qualitatively estimate(at a qualitative level)the rate of the primary succession development depending on the microrelief and the modern relief-forming *** vegetation recovery in the caldera after the Shtyubel cone eruption 109 years ago proceeds slowly and *** proceeds most slowly on a thick tephra mantle continuously disturbed by water and wind erosion,lahars,debris flows,landslides,*** conditions are most typical of the western part of the caldera dominated by pumice fields with occasional patches of pioneer herbs and dwarf *** tundra communities with gradually expanding patches of shrub alder develop in the southern,eastern and northeastern parts of the Ksudach *** 1997 the area of the shrub alder communities has increased by 1.9 times,while the alpine tundra–by 1.3 times *** woody plants(dwarf shrubs and prostrate shrubs)are of particular importance in the process of the vegetation recovery on pumice *** suggest that the bark thickness of woody plants is an integrated indicator,which may serve for estimating the state of ecosystem in the course of the primary succession development on juvenile *** extremely inhospitable environments cause changes in physiological processes in the plant body and in its bark in *** results show that woody plants have athinbark and develop some structural-functional arrangements for keeping bark tissues at their ***,the woody plant structure and the rate of changes in plant communities are under control of the geomorphic conditions and primarily–of physicochemical features of the pyroclastic cover.