Emerald Ash Borer Pheno Forecast, Contiguous United States, 2016 - Current Year

Pheno Forecast maps predict key life cycle stages in a range of species to improve conservation and management outcomes. For insect pest species, Pheno Forecasts are based on published growing degree day (GDD) thresholds for key points in species life cycles. These key points typically represent life cycle stages when management actions are most effective. These maps are updated daily and available 6 days in the future. We forecast adult emergence in emerald ash borer (<i>Agrilus planipennis</i>) at 450-1500F growing degree days (base 50F, start date: January 1, double sine GDD method). Forecasts are available for the current and prior year in the the USA-NPN Visualization Tool (https://www.usanpn.org/data/visualizations) and 2016-present through USA-NPN Geo Web Services (available upon request). Emerald ash borer causes significant harm to ash trees throughout the eastern United States.<br><br><br><i>For all inquiries regarding this dataset, please contact the USA-NPN. This data is subject to the USA-NPN's Data Use Policy.</i><br>

物候预测地图可预测多类物种的关键生命周期阶段，以优化保护与管理工作成效。针对害虫物种，物候预测基于已发表的物种生命周期关键节点的积温（Growing Degree Day, GDD）阈值。这些关键节点通常对应管理措施实施效果最佳的生命周期阶段。该地图每日更新，并可提供未来6天的预测结果。我们以450~1500华氏度的积温（基准温度50华氏度，起始日期为1月1日，采用双正弦积温计算法）预测白蜡窄吉丁（*Agrilus planipennis*）的成虫羽化期。用户可通过美国国家物候网（USA-NPN）可视化工具（https://www.usanpn.org/data/visualizations）查询当前及上一年度的预测结果；2016年至今的预测数据则可通过USA-NPN地理网络服务获取（需申请）。白蜡窄吉丁会对美国东部地区的白蜡属树木造成严重危害。<br><br><br><i>若需咨询该数据集相关问题，请联系美国国家物候网（USA-NPN）。本数据须遵守USA-NPN的数据使用政策。</i><br>