Seabird monitoring sightings

This data set contains the individual sightings in the German offshore areas for the bird species: {Artname} {(Artname wiss.)}. The data are based on seabird recordings carried out as part of the BfN monitoring programme. The surveys are carried out by the umbrella association of German Avifaunists (DDA). A more nutritious description of the methodology can be found in the monitoring report of the BfN (https://www.bfn.de/wirbeltiere). The observation data is presented in the form of products, with the point size of the number of individuals observed.本数据集收录德国近海海域内鸟类物种{Artname}（学名：Artname wiss.）的个体目击记录。数据来源于德国联邦自然保护局（BfN）监测计划中开展的海鸟观测工作。此项观测由德国鸟类学家联合总会（DDA）实施。关于该观测方法的详尽说明可参阅德国联邦自然保护局（BfN）发布的监测报告（https://www.bfn.de/wirbeltiere）。观测数据以可视化成果形式呈现，观测个体的数量通过点的大小进行表征。