Aaron Johnson

Person holding up net while on boat.
Fish Biologist
Whitney Genetics Laboratory
Fish and Aquatic Conservation
Address

555 Lester Ave
Onalaska, WI 54650
United States

(608) 515-5251
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From The Library

Identifying the Status of Invasive Carp Recruitment in the Red River and its Tributaries below Denison Dam in Oklahoma and Texas
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Identifying the Status of Invasive Carp Recruitment in the Red River and its Tributaries below Denison Dam in Oklahoma and Texas

Like many invasive species, Bighead (Hypophthalmichthys nobilis) and Silver Carp (H. molitrix)—collectively nicknamed ‘bigheaded carp’—are known for their hardiness, high fecundity, dispersal abilities, and competitive advantage against native aquatic species in the United States. While our...

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Field validation of an eDNA early detection and monitoring tool for Northern Snakehead (Channa argus) in Arkansas
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Field validation of an eDNA early detection and monitoring tool for Northern Snakehead (Channa argus) in Arkansas

The Northern Snakehead, Channa argus, is an invasive fish species in North America with populations initially established in mid-Atlantic water bodies. Its presence was first recorded in the United States in 1997. The species was listed as a highly injurious species in 2002 under the Lacey Act....

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Upper Mississippi River Ichthyoplankton Sample qPCR Screening for Invasive Carp
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Upper Mississippi River Ichthyoplankton Sample qPCR Screening for Invasive Carp

Invasive carp (Bighead, Silver, Black, and Grass carp) threaten native ecosystems and recreation in Minnesota waters. These invasive species have been spreading upstream in the Mississippi River basin since their escape in the 1970s (Henderson 1976). With high fecundity and the ability to...

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