Assessing the influence of vegetation structure and phenological variability on pollen‐vegetation relationships using a 15‐year Neotropical pollen rain record,Journal of Vegetation Science

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Assessing the influence of vegetation structure and phenological variability on pollen‐vegetation relationships using a 15‐year Neotropical pollen rain record
Journal of Vegetation Science ( IF 2.2 ) Pub Date : 2020-05-19 , DOI: 10.1111/jvs.12897
Derek S. Haselhorst ₁ , J. Enrique Moreno ₂ , Surangi W. Punyasena ₃

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Pollen collected from aerial pollen traps are used to interpret compositional changes in the fossil pollen record. Relationships between pollen abundances and vegetation are commonly measured using the ratio between the abundance of a pollen type and its corresponding basal area in a plant community (R‐rel). Pollen–vegetation relationships have been extensively studied in temperate and boreal latitudes using surface sediment, moss polster and pollen trap samples, representing long‐term accumulations of pollen. In contrast, pollen–vegetation relationships are not well‐resolved in diverse tropical habitats because of a lack of modern long‐term pollen and vegetation datasets. In the present study, we address two primary questions: 1. How variable are tropical pollen–vegetation relationships measured using R‐rel over time? 2. To what extent are differences in pollen abundances among traps related to variability in basal area in the surrounding community?

中文翻译：

使用15年新热带花粉降雨记录评估植被结构和物候变化对花粉-植被关系的影响

从空中花粉收集器收集的花粉用于解释化石花粉记录中的成分变化。花粉丰度与植被之间的关系通常使用植物群落中花粉类型的丰度与其对应的基础面积之比（R-rel）来衡量。花粉与植被之间的关系已经在温带和北方地区进行了广泛的研究，使用地表沉积物，苔藓粉和花粉诱集器样品，这些花粉与植被的关系代表了花粉的长期积累。相反，由于缺乏现代的长期花粉和植被数据集，在各种热带栖息地中花粉与植被的关系无法得到很好的解决。在本研究中，我们解决两个主要问题：1.使用R-rel随时间测量的热带花粉与植被的关系有多大？2。

更新日期：2020-05-19

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