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首页> 外文期刊>Flora >Interactions between alien goldenrods (Solidago and Euthamia species) and comparison with native species in Central Europe
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Interactions between alien goldenrods (Solidago and Euthamia species) and comparison with native species in Central Europe

机译：外来金毛（（Solidago和Euthamia种）之间的相互作用以及与中欧本土种的比较

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Competitive interactions are among the crucial determinants of plant invasion. Most invasive species are more competitive than native species, with the strongest competition expected between species that share similar niches and/or those that are closely related. Because many habitats can be invaded by several non-native species, the competition between alien plants has an increasing importance. The American-origin goldenrods (Solidago and Euthamia) are exceptionally successful invaders in Europe. A replacement series experiment was performed, to identify the interactions between goldenrods in their invasive range. We determined what type of interferences dominated between the examined taxa by comparing the total yield of plants in mixtures and as a monoculture. Four alien goldenrods [Solidago altissima L., Solidago canadensis L., Solidago gigantea Aiton and Euthamia graminifolia (L) Nutt] were studied and compared with native species (Solidago virgaurea L. and Tanacetum vulgare L) that co-occur with them in natural conditions. The results show that the invasive Solidago species had similar competitive abilities. The invasive species that were examined, out-competed the native taxa. These results highlight the high competitiveness of E. graminifolia, which reduced the biomass of the other species. Such competitive abilities were related to underground competition. These results suggest the necessity to monitor this species as a potentially invasive taxon. (C) 2015 Elsevier GmbH. All rights reserved.
机译：竞争相互作用是植物入侵的关键决定因素。与外来物种相比，大多数入侵物种更具竞争优势，共享相似生态位和/或密切相关物种的物种之间竞争最激烈。由于许多非本地物种可能入侵许多栖息地，因此外来植物之间的竞争变得越来越重要。起源于美国的金毛（（Solidago和Euthamia）是在欧洲非常成功的入侵者。进行了替代系列实验，以鉴定在入侵范围内的金毛between之间的相互作用。我们通过比较混合物中和作为单一栽培植物的总产量，确定了受检查的分类单元之间哪种类型的干扰占主导地位。研究了四种外来金毛golden [Solidago altissima L.，Solidago canadensis L.，Solidago gigantea Aiton和Euthamia graminifolia（L）Nutt]，并将其与天然存在的本地物种（Solidago virgaurea L.和Tanacetum vulgare L）进行比较。条件。结果表明，入侵的一枝黄花具有相似的竞争能力。被检查的入侵物种在竞争中胜过了本地分类单元。这些结果突出了大叶大肠杆菌的高竞争力，这降低了其他物种的生物量。这种竞争能力与地下竞争有关。这些结果表明，有必要将这种物种作为潜在的入侵分类单元进行监测。 （C）2015 Elsevier GmbH。版权所有。

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