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A comparative study of vineyard phenology and pollen metrics extracted from airborne pollen time series

机译：从空中花粉时间序列中提取的葡萄园物候和花粉指标的比较研究

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摘要

Airborne pollen emission model was used to determine pollen metrics and to examine their relationship with vineyard phenology in two wine regions of Northern Portugal: Vinhos Verdes (1993-2007) and Douro (1992-2011). A number of airborne pollen metrics were obtained through the rate of changes of logistic model adjusted to the time series of airborne pollen. In both regions, the mean absolute differences between observed phenology and model-predicted values for start, peak and final of flowering phenophases were always lower than 5 days and the slope of the regression through the origin is close to one. These metrics can be used to accurately and precisely predict the dynamic of Vitis flowering observed at field level. The model's simplicity and flexibility are of great advantage for its practical use in aerobiology.
机译：在葡萄牙北部的两个葡萄酒产区：Vinhos Verdes（1993-2007）和Douro（1992-2011），使用空中花粉排放模型确定花粉指标并检查其与葡萄园物候学的关系。通过将Logistic模型的变化率调整为机载花粉的时间序列，可以获得许多机载花粉指标。在这两个区域中，观察到的物候和模型预测值之间的平均绝对差值始终低于5天，开花期的开始，峰值和最终均低于5天，并且通过原点的回归斜率接近于1天。这些指标可用于准确，准确地预测田间观察到的葡萄开花动态。该模型的简单性和灵活性为其在航空生物学中的实际应用提供了极大的优势。

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