North Pacific Anadromous Fish Commission

Technical Report 17

Table of Contents

Juvenile Yukon River Chinook Salmon in a Warming Arctic

Authors: 
James M. Murphy, Kathrine Howard, Sabrina Garcia, Jamal H. Moss, Wesley W. Strasburger, Fletcher Sewall, and Elizabeth Lee

Abstract Excerpt:
Recent changes in Arctic temperatures have important implications for coastal ecosystems of the northern Bering Sea (NBS) and Yukon River Chinook salmon (Oncorhynchus tshawytscha). The abundance of Yukon River Chinook salmon has declined significantly over the last 20 years, resulting in various levels of commercial fisheries closures, restrictions to subsistence fishing opportunities, and the inability to meet harvests necessary for subsistence in many years (Fall et al. 2020). Although causes of the decline of Yukon River Chinook salmon are unclear, their survival after their first summer at sea (September) has been relatively stable over the last 15 years (Murphy et al. 2017; Howard et al. 2020; Murphy et al. 2021). This emphasizes the importance of early life-history stages and Arctic ecosystems in the survival of Yukon River Chinook salmon.

*This is the first paragraph of an extended abstract. Download the full abstract below.

DOI:
https://doi.org/10.23849/npafctr17/97.101.

Citation

Murphy, J.M., K. Howard, S. Garcia, J.H. Moss, W.W. Strasburger, F. Sewall, and E. Lee.  2021.  Juvenile Yukon River Chinook salmon in a warming Arctic.  N. Pac. Anadr. Fish Comm. Tech. Rep. 17: 97–101.  https://doi.org/10.23849/npafctr17/97.101.