Characterization of the Kootenai River Aquatic Macroinvertebrate Community before and after Experimental Nutrient Addition, 2003-2006. [Chapter 3]

Holderman, Charlie

doi:10.2172/962198

Cited by 4 publications

(4 citation statements)

References 4 publications

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“…Similar to our observation of rapid longitudinal decay in fish abundance, biomass, and structure by 20–45 rkm downstream from the treatment site, similar but more pronounced and rapid longitudinal decay was reported for water quality (e.g., soluble reactive phosphorus and dissolved inorganic nitrogen), chlorophyll a , and benthic macroinvertebrates (Holderman et al. 2009; Hoyle 2012; Minshall et al. 2014; i.e., 10–15 rkm).…”

Section: Discussionsupporting

confidence: 90%

“…For most species sampled at each trophic level, the distance from the control zone to the nutrient addition zone was sufficient to maintain independence (Holderman et al. 2009; Hoyle 2012; Minshall et al. 2014); however, results from our study indicate that nutrient treatments may have affected Rainbow Trout in both the control and treatment zones.…”

Section: Discussionmentioning

confidence: 56%

“…The Kootenai River fertilization has been extensively assessed, and the current analysis complements studies involving broader evaluations of trophic‐level responses to nutrient addition, including those reported on periphyton and macroinvertebrate biomass and abundance in the Kootenai River (Holderman et al. 2009; Hoyle 2012; Minshall et al. 2014).…”

Section: Figurementioning

confidence: 93%

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Nutrient Restoration of a Large, Impounded, Ultra‐Oligotrophic Western River to Recover Declining Native Fishes

Hardy

Ross

McDonnell

et al. 2022

N American J Fish Manag

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Declines in many fish populations in large, western rivers have been primarily attributed to the anthropogenic reduction of nutrient inputs and subsequent impacts to the food web. The largest known river fertilization program was implemented starting in 2005 on the Kootenai River in northern Idaho to restore resident fisheries. Annual electrofishing surveys were conducted at multiple sites in Idaho and Montana before and during nutrient addition to evaluate assemblage and population‐level responses. Although few responses in fish assemblage structure were observed, the addition of liquid ammonium polyphosphate fertilizer (3 μg/L) to the Kootenai River increased fish abundance and biomass over the 20‐km stretch of river downstream of the treatment site. Increases were most notable in Largescale Suckers Catostomus macrocheilus, Mountain Whitefish Prosopium williamsoni, and Rainbow Trout Oncorhynchus mykiss populations, although increases in catch and biomass were detected for nearly all fish species. The Kootenai River is approximately 30 times larger in discharge than other rivers that have been experimentally fertilized and provides compelling evidence that the mitigation of nutrient declines in rivers of similar size can result in positive influences on the fish populations where primary and secondary production are limiting growth, survival, and recruitment. However, results from our study also highlight the importance of completing evaluations across varying levels of biological organization (e.g., assemblage and population) and over biologically relevant timeframes.

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Section: Discussionsupporting

confidence: 90%

Section: Discussionmentioning

confidence: 56%

Section: Figurementioning

confidence: 93%

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Nutrient Restoration of a Large, Impounded, Ultra‐Oligotrophic Western River to Recover Declining Native Fishes

Hardy

Ross

McDonnell

et al. 2022

N American J Fish Manag

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“…Chironomids are important prey for fishes, especially juvenile stages (Warren et al 1964, Power 1992). In the Kootenai River, a postfertilization increase in mountain whitefish abundance was associated with their increased consumption of chironomids (Holderman et al 2009b, Shafii et al 2010.…”

Section: Benthic Macroinvertebrate Assemblage Responses To Nutrient Ementioning

confidence: 99%

Effects of nutrient replacement on benthic macroinvertebrates in an ultraoligotrophic reach of the Kootenai River, 2003–2010

Minshall

Shafii

Price³

et al. 2014

Freshwater Science

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Changes in Primary Producer and Consumer Communities in Response to Upstream Nutrient Addition in the Kootenai River, Idaho

Kruse¹,

Shafii

Hoyle

et al. 2020

Northwest Science

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Characterization of the Kootenai River Aquatic Macroinvertebrate Community before and after Experimental Nutrient Addition, 2003-2006. [Chapter 3]

Cited by 4 publications

References 4 publications

Nutrient Restoration of a Large, Impounded, Ultra‐Oligotrophic Western River to Recover Declining Native Fishes

Nutrient Restoration of a Large, Impounded, Ultra‐Oligotrophic Western River to Recover Declining Native Fishes

Effects of nutrient replacement on benthic macroinvertebrates in an ultraoligotrophic reach of the Kootenai River, 2003–2010

Changes in Primary Producer and Consumer Communities in Response to Upstream Nutrient Addition in the Kootenai River, Idaho

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