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首页> 外文期刊>Ботанический журнал >Shrub and semishrub deserts in the Caspian region and western Turan
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Shrub and semishrub deserts in the Caspian region and western Turan

机译：Caspian Region和Western Turan中的灌木和半熟沙漠

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摘要

Shrubs and semishrubs give peculiar appearance to temperate deserts of Eurasia. Ecology of these species which are widespread on the plains between Caspian and Aral Seas is described. The desert shrubs and semishrubs were divided into 4 ecological groups: petrophytes, psammophytes, halophytes, and eurytopic shrubs and semishrubs. Petrophytes (shrubs Caragana grandiflora, Rhamnus sintenisii; semishrubs Astragalus turcomanicus, Salsola arbusculiformis) grow exlusively on stony-gravelly shallow soils developed over different rocks, such as limestone, sandstone, chalk (with the exception of Tertiary carbonate clays). Psammophytes (shrubs Calligonum aphyllum, C.caput-medusae, C.leucocladum, Haloxylon persicum; semishrub Astragalus karakugensis) are found only on sandy soils and sand massifs. Halophytes (shrubs Nitraria schoberi, Tamarix elongata, T.gracilis, T.hispida, T.hohenackeri, T.laxa, T.ramosissima) are associated with saline soils of different texture. The eurytopic species occur in wide range of habitats: Calligonum junceum and Haloxylon aphyllum are the common species of salt-laden sands and soils with strong concentration of gypsum; shrubs Atraphaxis replicata, Salsola arbuscula, Calligonum junceum, Haloxylon aphylium, and semishrubs Convolvulus fruticosus, Krascheninnikovia ceratoides grow on limestone, sandstone, chalk as well as on sands being the indicators of shallow sand layers.
机译：灌木和半探针为欧亚大陆的温带奇迹。描述了这些物种的生态学，这些物种普遍存在Caspian和aral海洋之间的平原上。沙漠灌木和半熟的分为4个生态群体：纤维素，psammophytes，卤素，和eurytopic灌木和半熟灌木丛。纤维素（灌木Caragana Grandiflora，Rhamnus Sintenisii; Semishrubs Astragalus Turcomanicus，Salsola Arbusculiforis）在不同的岩石（如石灰石，砂岩，粉笔）（如碳酸叔碳酸盐粘土外）上发育的石渣浅层的绝缘化。 psammophytes（灌木keligonum aphyllum，c.caput-medusae，c.lecococladum，Haloxylon persicum; Semishrub Astragalus karakugensis）仅在沙质土壤和砂质块上被发现。烟灰症（灌木丛（灌木Nitraria Schoberi），Tamarix Elongata，T.Gracilis，T.Hispida，T.Hohenackeri，T.Laxa，T.Ramosissima）与不同质地的盐土壤有关。 Eurytopic物种在广泛的栖息地中发生：Belligonum junceum和Haloxylon Hehyllum是盐载砂和土壤浓度强的石膏浓度的常见种类;灌木araphaxis replicata，salsola asbuscula，calligonum junceum，haloxylon aphylium和memishrubs vercolvulus fruticosus，Krascheninnikovia ceratoides在石灰石，砂岩，粉笔以及沙子上生长，浅砂层的指标。

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