Floating marine macro litter DOORS cruise 3, 01-20 June 2024

The datasest contains floating marine macro litter (> 2.5 cm) data obesrved during R/V Mare Nigrum cruise #3, in 33 transects located in the Bulgarian, Turkish and Georgian Black Sea waters, 1-20 June, 2024 in the framework H2020 DOORS Project. The file contains information for the densities of floating marine macro litter (expressed in number of items. km-2) along survey transects, locations of transects (middle of transect) and date of the observation. The FML densities were determined in compliance with MSFD protocol for visual observations based on fixed-width strip transect method.本数据集收录了2024年6月1日至20日期间，依托H2020 DOORS项目框架，在“马尔·尼格拉姆号”（R/V Mare Nigrum）第3次科考航次中，于保加利亚、土耳其及格鲁吉亚所辖黑海海域的33条调查样带上观测得到的漂浮海洋大型垃圾（>2.5厘米）数据。数据集包含如下信息：调查样带上漂浮海洋大型垃圾的密度（单位：个·km⁻²）、样带中心点位置以及观测日期。其中漂浮海洋大型垃圾（Floating Marine Macro Litter, FML）的密度测算严格遵循海洋战略框架指令（Marine Strategy Framework Directive, MSFD）的目视观测规范，采用固定宽度条带样带法完成。