Relative pollen productivity estimates of major plant taxa and relevant source area of pollen in the warm-temperate forest landscape of northern China

Relative pollen productivity estimates of major plant taxa and relevant source area of pollen in the warm-temperate forest landscape of northern China
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中国北方暖温带森林景观主要植物类群及相关花粉源区相对花粉生产力估算

DOI:
10.1007/s00334-020-00779-x
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发表时间:
2020-04
影响因子:
2.5
通讯作者:
Li Y.C.
Li Y.C.
中科院分区:
地球科学3区
文献类型:
--
作者:
Zhang Y.;Wei Q.;Zhang Z.;Xu Q.H.;Gao W.M.;Li Y.C.

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相对花粉生产力(RPP)是过去植被覆盖的定量植被重建的关键。扩展R值(ERV)模型通常用于估计RPP。在这项研究中,我们使用现代花粉组合从30个随机选择的表面采样点,这些和植被数据被应用到ERV模型来估计花粉生产力松,栎,榛,蒿,藜科,菊科和石竹科相对于禾本科。还获得了花粉的相关源区(RSAP)的估计。三个不同的ERV子模型对数据进行操作。子模型1的拟合优度最高,其RPP值在乔木花粉类群中最高,为松属(12.85 ± 1.26),在草本花粉类群中最高,为石竹科(7.28 ± 0.14)。ERV分析结果表明,表层样品中的RSAP约为0.001。400米
Relative pollen productivity (RPP) is critical for quantitative vegetation reconstruction of past vegetation cover. The Extended R-value (ERV) model is commonly used for estimating RPP. In this study, we used modern pollen assemblages from 30 randomly selected surface sample sites, and these and vegetation data were applied to an ERV model to estimate pollen productivity ofPinus,Quercus,Corylus,Artemisia, Chenopodiaceae, Asteraceae and Caryophyllaceae relative to Poaceae. Estimates of the relevant source area of pollen (RSAP) was also obtained. Three different ERV sub-models were operated against the data. Sub-model 1 produced the best goodness of fit for the data and the RPP values estimated with this sub-model show that the highest producer among arboreal pollen taxa isPinus(12.85 ± 1.26) and among the herb pollen taxa is Caryophyllaceae (7.28 ± 0.14). The results of ERV analysis suggest that RSAP in surface samples is ca. 400 m.
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