Difference between revisions of "Nutrients"

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=='''Role of Nutrients in Fish Population Dynamics below Glen Canyon Dam'''==
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The 2012-2014 rainbow trout population decline corresponded with a decline in condition for other large-bodied native fish like humpback chub, flannelmouth sucker, and bluehead sucker. These declines in fish population size and body condition occurred at the same time as a decline in drift biomass in the foodbase below Glen Canyon Dam. Primary production in the Colorado River is nutrient limited (soluble reactive phosphorous or SRP). Seasonal estimates of primary production just above the LCR are highly correlated with SRP measured at the Glen Canyon Dam. Primary production is linked to foodbase production, native fish condition, and rainbow trout condition and recruitment. [https://www.usbr.gov/uc/progact/amp/twg/2017-01-26-twg-meeting/AR20_Yackulic.pdf]
  
 
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[[File:NutrientsTakeHome2017.jpg|thumb|center|500px| [https://www.usbr.gov/uc/progact/amp/twg/2017-01-26-twg-meeting/AR20_Yackulic.pdf https://www.usbr.gov/uc/progact/amp/twg/2017-01-26-twg-meeting/AR20_Yackulic.pdf] ]]
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[[File:HBCcondition2012_2016.jpg|thumb|center|500px| [https://www.usbr.gov/uc/progact/amp/twg/2017-01-26-twg-meeting/AR20_Yackulic.pdf https://www.usbr.gov/uc/progact/amp/twg/2017-01-26-twg-meeting/AR20_Yackulic.pdf] ]]
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[[File:NO TroutAbundances2016.jpg|thumb|center|500px]]
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[[File:HBCcondition2016.jpg|thumb|center|500px]]
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[[File:DriftBiomass2012_2015.jpg|thumb|center|500px| [https://www.usbr.gov/uc/progact/amp/twg/2017-01-26-twg-meeting/AR20_Yackulic.pdf https://www.usbr.gov/uc/progact/amp/twg/2017-01-26-twg-meeting/AR20_Yackulic.pdf] ]]
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[[File:PrimaryProduction_SRP.jpg|thumb|center|500px| [https://www.usbr.gov/uc/progact/amp/twg/2017-01-26-twg-meeting/AR20_Yackulic.pdf https://www.usbr.gov/uc/progact/amp/twg/2017-01-26-twg-meeting/AR20_Yackulic.pdf] ]]
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[[File:PrimaryProduction_DriftBiomass.jpg|thumb|center|500px| [https://www.usbr.gov/uc/progact/amp/twg/2017-01-26-twg-meeting/AR20_Yackulic.pdf https://www.usbr.gov/uc/progact/amp/twg/2017-01-26-twg-meeting/AR20_Yackulic.pdf] ]]
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[[File:SRP_DriftBiomass.jpg|thumb|center|500px| [https://www.usbr.gov/uc/progact/amp/twg/2017-01-26-twg-meeting/AR20_Yackulic.pdf https://www.usbr.gov/uc/progact/amp/twg/2017-01-26-twg-meeting/AR20_Yackulic.pdf] ]]
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[[File:RBT_SRP.jpg|thumb|center|500px| [https://www.usbr.gov/uc/progact/amp/twg/2017-01-26-twg-meeting/AR20_Yackulic.pdf https://www.usbr.gov/uc/progact/amp/twg/2017-01-26-twg-meeting/AR20_Yackulic.pdf] ]]
  
 
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*[http://gcdamp.com/index.php?title=WATER_QUALITY Water Quality Page]
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*[http://gcdamp.com/index.php?title=Algae_and_Aquatic_Macrophytes Algae and Aquatic Macrophytes Page]
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*[http://gcdamp.com/index.php?title=FOOD_BASE Foodbase Page]
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*[http://gcdamp.com/index.php?title=FISHERY Trout Fishery Page]
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*[http://gcdamp.com/index.php?title=Humpback_Chub_Page Humpback Chub Page]
  
 
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*[https://nwis.waterdata.usgs.gov/az/nwis/qwdata/?site_no=09380000&agency_cd=USGS USGS 09380000 COLORADO RIVER AT LEES FERRY, AZ]
 
*[https://nwis.waterdata.usgs.gov/az/nwis/qwdata/?site_no=09380000&agency_cd=USGS USGS 09380000 COLORADO RIVER AT LEES FERRY, AZ]
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*[https://watershed.ucdavis.edu/education/classes/files/content/page/8%20Lennon%20-%20Nutrient%20Dynamics%20in%20the%20Colorado%20Below%20Glenn%20Canyon%20Dam.pdf Nitrogen & Phosphorus Dynamics below Glen Canyon Dam]
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'''2023'''
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*[http://digitalscholarship.unlv.edu/cgi/viewcontent.cgi?article=1107&context=water_pubs The influence of Lake Powell on the suspended sediment-phosphorus dynamics of the Colorado River inflow to Lake Mead]
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*[https://doi.org/10.1007/s10533-023-01064-5. Deemer et al., 2023, Storms and pH of dam releases affect downstream phosphorus cycling in an arid regulated river: Biogeochemistry]
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'''2022'''
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*[[Media:GCD Fert Final.docx | Ker et al. 2022. A quantitative review of nutrient fertilization studies in freshwater ecosystems, and scoping of an experimental program in the Colorado River downstream of Glen Canyon Dam  ]]
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*[https://www.usbr.gov/uc/progact/amp/twg/2022-10-13-twg-meeting/20221013-EffectsDrought-RelatedLowPhosphorousGlenCanyonDam-508-UCRO.pdf Effects of drought-related low phosphorous concentrations on the aquatic ecosystem downstream of Glen Canyon Dam, and potential to improve productivity via nutrient fertilization ]
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*[https://www.usbr.gov/uc/progact/amp/amwg/2022-02-10-amwg-meeting/20220210-pHRegulatesPhosphorusCyclingColoradoRiver-508-UCRO.pdf pH Regulates Phosphorus Cycling in the Colorado River ]
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*[https://www.usbr.gov/uc/progact/amp/twg/2022-01-13-twg-meeting/20220113-AnnualReportingMeeting-pHRegulatesPhosphorusCyclingColoradoRiver-508-UCRO.pdf pH Regulates Phosphorus Cycling in the Colorado River ]
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'''2021'''
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*[https://www.usbr.gov/uc/progact/amp/amwg/2021-02-11-amwg-meeting/20210211-NutrientsPrimaryProductionColoradoRiverFoodbase-508-UCRO.pdf Nutrients, Primary Production, and the Colorado River Foodbase ]
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*[https://www.usbr.gov/uc/progact/amp/twg/2021-01-22-twg-meeting/20210122-AnnualReportingMeeting-FlowsPhosphorusInfluenceLakePowellPrimaryProductionDynamicsColoradoRiver-508-UCRO.pdf Flows and Phosphorus: the Influence of Lake Powell on Primary Production Dynamics in the Colorado River ]
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'''2020'''
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*[https://www.usbr.gov/uc/progact/amp/amwg/2020-02-12-amwg-meeting/20200212-GCMRC2020AnnualReportingMeeting-PresentationPart2b-508-UCRO.pdf GCMRC 2019 Annual Reporting Meeting Overview – Part 2b ]
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'''2018'''
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*[https://www.usbr.gov/uc/progact/amp/twg/2018-01-25-twg-meeting/AR11.pdf Temperature and nutrients as ecosystem drivers in the Colorado River PPT, Lake Powell as a regulator of temperature and Lake Powell as a regulator of nutrients PPT]
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'''2017'''
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*[https://www.usbr.gov/uc/progact/amp/twg/2017-01-26-twg-meeting/AR20_Yackulic.pdf The Role of Nutrients in Colorado River Ecosystem Dynamics ]
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'''2011'''
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*[http://www.nrcresearchpress.com/doi/abs/10.1139/f96-268?journalCode=cjfas#.WOO7hlXyvmE Deegan et al. 2011. Effects of fish density and river fertilization on algal standing stocks, invertebrate communities, and fish production in an arctic river. Canadian Journal of Fisheries and Aquatic Sciences]
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'''1983'''
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*[http://digitalscholarship.unlv.edu/cgi/viewcontent.cgi?article=1107&context=water_pubs Evans and Paulson. 1983. The influence of Lake Powell on the suspended sediment-phosphorus dynamics of the Colorado River inflow to Lake Mead. Water Resources.]
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*[https://watershed.ucdavis.edu/education/classes/files/content/page/8%20Lennon%20-%20Nutrient%20Dynamics%20in%20the%20Colorado%20Below%20Glenn%20Canyon%20Dam.pdf Erin. XXXX. Nitrogen & Phosphorus Dynamics below Glen Canyon Dam. U.C. Davis]
  
 
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! <h2 style="margin:0; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3b0bf; text-align:left; color:#000; padding:0.2em 0.4em;">Nutrient Supplementation Programs</h2>
 
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*[http://www.cbbulletin.com/415679.aspx Corps Dworshak Nutrient Supplementation Study Aims To Boost Kokanee, Listed Bull Trout ]
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*[http://www.nww.usace.army.mil/Portals/28/docs/environmental/Dworshak%20Nutrient%20Program/Dworshak%20Nutrient%20Supp%20Program%20EA.pdf?ver=2017-01-27-143537-323 Dworshak Nutrient Supplementation Program EA]
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*[http://yakamafish-nsn.gov/sites/default/files/projects/UCNPRP%20Interim%20Report%2012-12-13.pdf Upper Columbia Nutrient Supplementation Project]
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*[http://pnwsalmoncenter.org/nutrient-supplementation-study/ Dewatto River Nutrient Supplementation Study]
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*[https://www.researchgate.net/publication/276131073_Redfish_Lake_Sockeye_Salmon_Nutrient_Supplementation_as_a_Means_of_Restoration Redfish Lake Sockeye Salmon: Nutrient Supplementation as a Means of Restoration]
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*[http://www.restoringthekootenai.org/OtherFWProjects/nutrientRestoration/ Kootenai River Ecosystem Restoration (Nutrient Restoration)]
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*[https://collaboration.idfg.idaho.gov/FisheriesTechnicalReports/Res06-13%20Hardy%202003-2005%20K%20River%20Recovery%20Investigations.pdf Kootenai River Fisheries Recovery Investigations: Ecosystem Rehabilitation. Project Progress Report. 2003-2005 Annual Report ]
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! <h2 style="margin:0; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3b0bf; text-align:left; color:#000; padding:0.2em 0.4em;">Other Stuff</h2>
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*Nutrients released from GCD and trout competition appear to have a bigger effect on growth than fall HFEs [https://www.usbr.gov/uc/progact/amp/twg/2018-01-25-twg-meeting/AR11.pdf]
  
 
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Latest revision as of 17:40, 25 April 2024
NutrientCycle.jpg

Role of Nutrients in Fish Population Dynamics below Glen Canyon Dam

The 2012-2014 rainbow trout population decline corresponded with a decline in condition for other large-bodied native fish like humpback chub, flannelmouth sucker, and bluehead sucker. These declines in fish population size and body condition occurred at the same time as a decline in drift biomass in the foodbase below Glen Canyon Dam. Primary production in the Colorado River is nutrient limited (soluble reactive phosphorous or SRP). Seasonal estimates of primary production just above the LCR are highly correlated with SRP measured at the Glen Canyon Dam. Primary production is linked to foodbase production, native fish condition, and rainbow trout condition and recruitment. [1]

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Updates

https://www.usbr.gov/uc/progact/amp/twg/2017-01-26-twg-meeting/AR20_Yackulic.pdf
https://www.usbr.gov/uc/progact/amp/twg/2017-01-26-twg-meeting/AR20_Yackulic.pdf
NO TroutAbundances2016.jpg
HBCcondition2016.jpg
https://www.usbr.gov/uc/progact/amp/twg/2017-01-26-twg-meeting/AR20_Yackulic.pdf
https://www.usbr.gov/uc/progact/amp/twg/2017-01-26-twg-meeting/AR20_Yackulic.pdf
https://www.usbr.gov/uc/progact/amp/twg/2017-01-26-twg-meeting/AR20_Yackulic.pdf
https://www.usbr.gov/uc/progact/amp/twg/2017-01-26-twg-meeting/AR20_Yackulic.pdf
https://www.usbr.gov/uc/progact/amp/twg/2017-01-26-twg-meeting/AR20_Yackulic.pdf

Links and Information

Nutrients Gages

Papers and Presentations

2023

2022

2021

2020

2018

2017

2011

1983

Nutrient Supplementation Programs

Other Stuff

  • Nutrients released from GCD and trout competition appear to have a bigger effect on growth than fall HFEs [2]
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