[2017] Mysteries (Jan/Feb) Monitoring of migratory birds (Eiders) in the Wadden Sea of Lower Saxony in winter 2017

Recording of the eider duck population in the Lower Saxony Wadden Sea in spring 2017. In the Wadden Sea of Lower Saxony, since 1986, the eider duck stocks have been recorded twice a year during a tide from the aircraft. These are the Mauser (July/August) and wintering stocks (January/February). The counts take place in coordination with Schleswig-Holstein. The data is part of the Trilateral Monitoring and Assessment Program (TMAP). Monitoring of migratory birds (Eiders) in the Wadden Sea of Lower Saxony in spring 2017. The population of migratory birds (Eiders) in Lower Saxony’s Wadden Sea is biyearly determined by aerial flight since 1986. Counts are carried out in July/August during the moult and in January/February and are coordinated with Schleswig-Holstein. The data are part of the trilateral monitoring and assessment program (TMAP).2017年春季下萨克森瓦登海绒鸭种群观测记录。自1986年起，下萨克森瓦登海地区每年于潮汐时段开展两次航空调查以统计绒鸭种群数量，调查时段分别为换羽期（7月/8月）与越冬种群统计期（1月/2月）。本次统计工作与石勒苏益格-荷尔斯泰因州协同开展，相关数据隶属于三边监测与评估计划（Trilateral Monitoring and Assessment Program, TMAP）。 2017年春季下萨克森瓦登海迁徙鸟类（绒鸭）监测工作：自1986年起，下萨克森瓦登海的绒鸭种群便通过航空调查每年开展两次统计。统计工作于换羽期的7月/8月以及1月/2月开展，并与石勒苏益格-荷尔斯泰因州协同进行，相关数据均纳入三边监测与评估计划（TMAP）。