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Solidago canadensis invasion in abandoned arable fields induces minor changes in soil properties and does not affect the performance of subsequent crops
Land Degradation & Development ( IF 4.7 ) Pub Date : 2020-01-09 , DOI: 10.1002/ldr.3452
Szymon Zubek 1 , Marta L. Majewska 1 , Paweł Kapusta 2 , Anna M. Stefanowicz 2 , Janusz Błaszkowski 3 , Katarzyna Rożek 1 , Małgorzata Stanek 2 , Filip Karpowicz 1 , Joanna Zalewska‐Gałosz 1
Affiliation  

The global fast‐growing presence of invasive species requires urgent action to assess their ecological and economic impact. Although a number of recent works have shown that alien plant invasions can affect native plant communities, soil microbial communities, and soil physicochemical properties, rarely the effects of invaders on all these parameters have been examined at once. Moreover, no studies have focused on the effects of invasive plants on the ecosystem services after the removal of invaders. For this study, Solidago canadensis, one of the most successful global invasive species, was chosen. In the first stage, invasion‐induced changes in plant community and soil properties in abandoned arable fields were assessed. In the second stage, the effects of these changes on crops, Helianthus annuus and Zea mays, were assessed in a laboratory soil‐feedback experiment. The invader reduced substantially the richness and cover of native plant species. It had little impact on soil physicochemical and microbiological properties: Soil moisture was lower, whereas mycorrhizal parameters and urease activity were higher in invaded plots. The experiment revealed minor and inconsistent effects of the invader: It affected the mycorrhizal colonization and shoot mass of crop plants, but the direction of changes depended on the origin of the soil used. In conclusion, although S. canadensis invasion clearly displaces native vegetation, it has few and rather weak effects on soil properties that did not affect the performance of subsequent crops. The results are promising from the viewpoint of restoring the agricultural function to abandoned fields invaded by S. canadensis.

中文翻译:

加拿大一枝黄花对废弃耕地的入侵引起土壤性质的微小变化,不影响后续作物的生长

全球快速增长的入侵物种需要采取紧急行动来评估其生态和经济影响。尽管最近的一些工作表明外来植物入侵会影响本地植物群落、土壤微生物群落和土壤理化特性,但很少同时检查入侵者对所有这些参数的影响。此外,没有研究关注入侵植物在清除入侵者后对生态系统服务的影响。在这项研究中,加拿大一枝黄花是最成功的全球入侵物种之一,被选中。在第一阶段,评估了废弃耕地中植物群落和土壤性质的入侵引起的变化。在第二阶段,这些变化对农作物的影响,向日葵和玉米,在实验室土壤反馈实验中进行了评估。入侵者大大减少了本地植物物种的丰富度和覆盖范围。它对土壤理化和微生物特性几乎没有影响:土壤水分较低,而侵入地块的菌根参数和脲酶活性较高。实验揭示了入侵者的轻微和不一致的影响:它影响了作物的菌根定植和枝条质量,但变化的方向取决于所用土壤的来源。总之,虽然 S. canadensis 入侵明显取代了原生植被,但它对土壤特性的影响很少而且相当微弱,不会影响后续作物的表现。从恢复被S. canadensis 入侵的废弃田地的农业功能的角度来看,结果是有希望的。
更新日期:2020-01-09
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