Monitoring of Common Seals in the Wadden Sea of Lower Saxony 1991 (UIG) Monitoring of Common Seals in the Wadden Sea of Lower Saxony 1991

Survey of the seal population in the Wadden Sea of Lower Saxony 1991. The seal population in the Wadden Sea of Lower Saxony is determined annually. Counting flights are carried out in the summer months (May - September). During these months, the birth, rearing of the young and hair changes take place in the seals. The counts are made at low water. At this time, the seals rest on the dry berths. The counts are coordinated trilaterally via the 'Seal Management Plan'. The data are part of the Trilateral Monitoring and Assessment Program (TMAP). Monitoring of Common seals in the Wadden Sea of Lower Saxony 1991. The common seal population in the Wadden Sea of Lower Saxony is annually determined by aerial surveys at low tides during the summer months (May - September). In this period whelping, nursing and moulting of the seals take place. The counts are trilaterally coordinated according to the 'Seal Management Plan'; the data are part of the Trilateral Monitoring and Assessment Program (TMAP).1991年下萨克森州瓦登海海豹种群调查 下萨克森州瓦登海的海豹种群每年均会开展数量监测。监测工作于夏季月份（5月至9月）通过航空计数飞行完成，此期间海豹会完成幼崽分娩、抚育及换毛全过程。计数作业选择在低潮时段开展，此时海豹会聚集于干燥休憩滩涂休憩。相关计数工作通过《海豹管理计划》开展三边协调，本数据集数据隶属于三边监测与评估计划（Trilateral Monitoring and Assessment Program，TMAP）。 1991年下萨克森州瓦登海普通海豹（Common seals）监测 下萨克森州瓦登海的普通海豹种群，每年均会通过夏季月份（5月至9月）的低潮期航空调查完成数量估算。在此期间，海豹会完成产崽、哺乳及换毛过程。相关计数工作依据《海豹管理计划》开展三边协调，数据隶属于三边监测与评估计划（TMAP）。