The germination niche of coastal dune species as related to their occurrence along a sea–inland gradient,Journal of Vegetation Science

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The germination niche of coastal dune species as related to their occurrence along a sea–inland gradient
Journal of Vegetation Science ( IF 2.2 ) Pub Date : 2020-04-20 , DOI: 10.1111/jvs.12899
Silvia Del Vecchio ₁ , Edy Fantinato ₁ , Mauro Roscini ₁ , Alicia T. R. Acosta ₂ , Gianluigi Bacchetta ₃ , Gabriella Buffa ₁

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The early phases in the life cycle of a plant are the bottleneck for successful species establishment thereby affecting population dynamics and distribution. In coastal environments, the spatial pattern of plant communities (i.e. vegetation zonation) follows the ecological gradient of abiotic stress changing with the distance from the sea. This pattern has been mainly explained based on the adaptation and tolerance to the abiotic stress of adult plants. However, the adult niche may considerably differ from the germination niche of a plant species. The aim of this work was to investigate to what extent abiotic factors (specifically salinity, temperature, nitrogen and their interactions) constrain seed germination along the sea–inland gradient.

中文翻译：

沿海沙丘物种的发芽位与它们在海陆梯度上的发生有关

植物生命周期的早期阶段是成功建立物种的瓶颈，从而影响种群动态和分布。在沿海环境中，植物群落的空间格局（即植被分区）遵循非生物胁迫的生态梯度，该生态梯度随距海的距离而变化。主要基于对成年植物对非生物胁迫的适应性和耐受性来解释这种模式。但是，成年生态位可能与植物物种的发芽生态位有很大不同。这项工作的目的是研究非生物因素（特别是盐度，温度，氮及其相互作用）在多大程度上限制了沿海陆梯度的种子发芽。

更新日期：2020-04-20

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