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Shared patterns of species turnover between seaweeds and seed plants break down at increasing distances from the sea

机译:海藻和种子植物之间的物种更新共享模式在距海洋越来越远的地方会破裂

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摘要

We tested for correlations in the degree of spatial similarity between algal and terrestrial plants communities along 5500 km of temperate Australian coastline and whether the strength of correlation weakens with increasing distance from the coast. We identified strong correlations between macroalgal and terrestrial plant communities within the first 100 km from shore, where the strength of these marine–terrestrial correlations indeed weakens with increasing distance inland. As such, our results suggest that marine-driven community homogenization processes decompose with increasing distance from the shore toward inland. We speculate that the proximity to the marine environment produces lower levels of community turnover on land, and this effect decreases progressively farther inland. Our analysis suggests underlying ecological and evolutionary processes that give rise to continental-scale biogeographic influence from sea to land.
机译:我们测试了5500公里澳大利亚温带海岸线上藻类和陆地植物群落之间空间相似程度的相关性,以及相关强度是否随着距海岸距离的增加而减弱。我们在距海岸的前100公里内发现了大型藻类和陆地植物群落之间的强相关性,这些海洋-陆地相关性的强度确实随着内陆距离的增加而减弱。因此,我们的结果表明,海洋驱动的社区同质化过程随着从海岸到内陆的距离的增加而分解。我们推测,靠近海洋环境会导致陆地上的社区周转率降低,并且这种影响逐渐向内陆逐渐减小。我们的分析表明,潜在的生态和演化过程会引起从海到陆的大陆规模生物地理影响。

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