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Fish Biologist
Northern Alaska Fish and Wildlife Field Office
Fish and Aquatic Conservation
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About Ray Hander

Ray has worked at the Northern Alaska Fish and Wildlife Field Office since 2000. Ray talks about his long-term work (2004-present) on Selawik River sheefish on this episode of Fish of the Week!

From The Library

Selawik River Inconnu Spawning Population Age Structure Evaluation and Spawner Recruitment Response to a 2004 Permafrost Thaw Slump, Selawik National Wildlife Refuge, Alaska
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Selawik River Inconnu Spawning Population Age Structure Evaluation and Spawner Recruitment Response to a 2004 Permafrost Thaw Slump, Selawik National Wildlife Refuge, Alaska
Abstract

In 2004 a large permafrost thaw slump (slump) began emitting substantial volumes of fine sediment into the Selawik River upstream from the Inconnu Stenodus leucichthys spawning area. Following this event, the once clear-flowing river ran turbid for about nine summers before the slump...

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Selawik River Inconnu Age Structure Evaluation and Spawning Population Abundance, Selawik National Wildlife Refuge.pdf
Name
Selawik River Inconnu Age Structure Evaluation and Spawning Population Abundance, Selawik National Wildlife Refuge.pdf

In 2004 a large permafrost thaw slump began emitting substantial volumes of fine sediment into the Selawik River upstream from the Inconnu Stenodus leucichthys spawning area. Following this event, the once clear-flowing river ran turbid for about nine summers before the thaw slump stabilized and...

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Nonnatal Stream use by Juvenile Salmonids in the Lower Tanana River 2021-2.pdf
Name
Nonnatal Stream use by Juvenile Salmonids in the Lower Tanana River 2021-2.pdf

Abstract: In July 2016, we explored 19 nonnatal Tanana River tributary streams between the confluence of the Tanana and Chena rivers for the presence of juvenile Chinook Salmon Oncorhynchus tshawytscha. Only 8 of 19 streams were sampled because the remaining 11 streams consisted of inadequate...

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