Effect of stemflow on beech forest soils and vegetation in southern Sweden
Effect of stemflow on beech forest soils and vegetation in southern Sweden
复制标题
茎流对瑞典南部山毛榉林土壤和植被的影响
DOI：
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发表时间：
1989
期刊：
影响因子：
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通讯作者：
U. Falkengren‐Grerup
中科院分区：
文献类型：
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作者：
U. Falkengren‐Grerup
(1)研究了山毛榉（Fagus sylvatica）树木周围64个径向样带的土壤-植物关系，每个样带从茎部延伸250 cm。(2)茎流降低了白土表层土壤的pH值和碱饱和度，在茎部1 ~ 5 m范围内最为明显。土壤pH值下降趋势向b层延伸。(3)在大多数酸性土壤中，茎部附近的交换性Ca和Mg较低，Mn也较低。近茎处可交换K较高。(4) 14种常见地层物种的覆被与土壤pH、碱饱和度、交换性钙和有机质含量密切相关。可交换性Mg、K、Mn和Al与覆被变异的相关性较小。(5)茎流样带中植物种类与土壤pH值的关系与0 ~ 05 ha山毛榉样地相似。
(1) Soil-plant relationships were studied in sixty-four radial transects around beech (Fagus sylvatica) trees, each extending 250 cm from the stem. (2) The stemflow appeared to have decreased pH and base saturation in the topsoil of mull soils, being most pronounced within 1-5 m of the stem. The decreased pH in the soil extended to the B-horizon. (3) Exchangeable Ca and Mg were lower near the stem as was Mn in the most acid soils. Exchangeable K was higher close to the stem. (4) The cover of fourteen common field-layer species was closely correlated to soil pH and also to base saturation, exchangeable Ca and organic matter content. Exchangeable Mg, K, Mn and Al were less correlated to the variability in cover. (5) The distribution of plant species in relation to soil pH among the stemflow transects was similar to that found in 0-05 ha plots of beechwood.