Plymouth Marine Laboratory, 1 Prospect Place, Plymouth, Devon PL1 3DH, UK; Graduate School of Oceanography, University of Rhode Island, Narragansett, RI 02882, USA.
Plymouth Marine Laboratory, 1 Prospect Place, Plymouth, Devon PL1 3DH, UK.
Curr Biol. 2021 Mar 8;31(5):R237-R238. doi: 10.1016/j.cub.2021.01.091.
Antarctic krill (Euphausia superba, hereafter 'krill') exemplify the methodological challenges of studying small, mobile, aggregating pelagic organisms. Krill are a central species in the Southern Ocean food web, provide important biogeochemical functions and support a valuable commercial fishery. Most of what we know about krill has been derived from acoustic surveys and net samples, the former being essential for estimating krill biomass and catch limits. However, understanding krill behavior, particularly in the poorly-studied autumn-winter seasons, is key for management and conservation. Here, we used seasonal video observations collected with a profiling camera system of krill along the Western Antarctic Peninsula to reveal krill vertical distribution, aggregation density and individual behaviors that have remained hidden from traditional sampling methods..
南极磷虾（Euphausia superba，以下简称“磷虾”）是研究小型、移动、聚集的浮游生物的方法学挑战的典型代表。磷虾是南大洋食物网中的关键物种，具有重要的生物地球化学功能，并支撑着有价值的商业渔业。我们对磷虾的大部分了解都来自声学调查和网捕样本，前者对于估计磷虾生物量和捕捞限额至关重要。然而，了解磷虾的行为，特别是在研究较少的秋冬季节，对于管理和保护至关重要。在这里，我们使用沿西南极半岛的 profiling 相机系统季节性采集的视频观测来揭示磷虾的垂直分布、聚集密度和个体行为，这些行为一直隐藏在传统的采样方法之外。
