Alaska Harbor Seal Haul-out Locations
收藏www.fisheries.noaa.gov2025-03-22 收录
下载链接：
https://www.fisheries.noaa.gov/inport/item/26760
下载链接
链接失效反馈官方服务：
资源简介：
Aerial surveys of coastal Alaska are the primary method for estimating abundance of harbor seals. A particular challenge associated with aerial surveys of harbor seals is maintaining consistent spatial representation of haul-out locations (waypoints). In some cases, seals aggregate into a single large grouping at a particular area. In other cases, seals aggregate into several smaller groups spr...
沿海阿拉斯加地区的空中调查是估算海豹丰度的首要方法。与海豹空中调查相关的特定挑战在于保持登陆地点（航点）的一致空间表征。在某些情况下，海豹会在特定区域聚集形成单个大型群体。在其他情况下，海豹则会聚集形成数个较小的群体……
提供机构：
www.fisheries.noaa.gov
