Difference between revisions of "Nutrients"
From Glen Canyon Dam AMP
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| + | '''2023''' | ||
| + | *[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''' | ||
| + | *[[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 ]] | ||
| + | *[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 ] | ||
| + | *[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 ] | ||
| + | *[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 ] | ||
'''2021''' | '''2021''' | ||
*[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 ] | *[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 ] | ||
| + | *[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 ] | ||
'''2020''' | '''2020''' | ||
Latest revision as of 17:40, 25 April 2024
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Role of Nutrients in Fish Population Dynamics below Glen Canyon DamThe 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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