DYNAMICS AND DRY-MATTER PRODUCTION OF BELOWGROUND WOODY ORGANS OF PINUS-PUMILA TREES GROWING ON THE KISO MOUNTAIN-RANGE IN CENTRAL JAPAN

被引：19

作者：

KAJIMOTO, T

机构：

[1] Laboratory of Silviculture, Faculty of Agriculture, Nagoya University, Nagoya

来源：

ECOLOGICAL RESEARCH | 1992年 / 7卷 / 03期

关键词：

ADVENTITIOUS ROOT; BELOWGROUND STEM; DYNAMICS; PINUS-PUMILA; TREE STRUCTURE;

D O I：

10.1007/BF02347100

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

Size, biomass and spatial distribution patterns of belowground woody organs of Pinus pumila trees were investigated. Dry weight estimates of five sample trees were between 14 and 36 kg tree-1. Belowground stems accounted for about 3 2 % of the total tree weight. However, the belowground stems had extensive barkless portions, indicating that the decomposition of dead belowground stems was an important source of organic matter in the soil. The basal diameters of adventitious roots tended to become smaller as their orginating positions neared the ground surface. It was suggested that P. pumila trees regenerate by successively producing adventitious roots from their buried stems and moving down the slope.

引用

页码：333 / 339

页数：7

共 14 条

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