Difference between revisions of "FOOD BASE"
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− | [[File: | + | [[File:FoodbaseModel.PNG|thumb|center|500px| https://www.usbr.gov/uc/progact/amp/twg/2022-01-13-twg-meeting/20220113-AnnualReportingMeeting-ProjectF-AquaticEcologyFoodBaseMonitoring-508-UCRO.pdf ]] |
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=='''Aquatic Food Base monitoring below Glen Canyon Dam and into Grand Canyon'''== | =='''Aquatic Food Base monitoring below Glen Canyon Dam and into Grand Canyon'''== | ||
− | Aquatic insects live in the water as larvae most of their lives, then emerge onto land for a brief period as winged adults. Sampling these emerged adults on land is therefore a useful tool for understanding the condition of the aquatic insect population that is in the water, particularly in large rivers where sampling the larvae on the river bed is impractical. | + | Aquatic insects live in the water as larvae most of their lives, then emerge onto land for a brief period as winged adults. Sampling these emerged adults on land is therefore a useful tool for understanding the condition of the aquatic insect population that is in the water, particularly in large rivers where sampling the larvae on the river bed is impractical. Aquatic insects have a terrestrial, winged adult life stage in which they leave the water and fly onto land in order to find a mate and reproduce. [https://www.usgs.gov/centers/sbsc/science/aquatic-insects?qt-science_center_objects=0#qt-science_center_objects] |
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− | Aquatic insects have a terrestrial, winged adult life stage in which they leave the water and fly onto land in order to find a mate and reproduce. | + | |
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==[http://gcdamp.com/index.php?title=Long-term_Experimental_and_Management_Plan_(LTEMP) '''LTEMP Resource Goal for the Aquatic Food Base''']== | ==[http://gcdamp.com/index.php?title=Long-term_Experimental_and_Management_Plan_(LTEMP) '''LTEMP Resource Goal for the Aquatic Food Base''']== | ||
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+ | [[File:NutrientsDrift.PNG|thumb|center|500px|Variable phosphorus release from Glen Canyon Dam controls tailwater food webs https://www.usbr.gov/uc/progact/amp/twg/2022-01-13-twg-meeting/20220113-AnnualReportingMeeting-pHRegulatesPhosphorusCyclingColoradoRiver-508-UCRO.pdf ]] | ||
[[File:2017AR LCRbiomass.jpg|thumb|center|500px| https://www.usbr.gov/uc/rm/amp/twg/mtgs/17jan26/AR19_Kennedy.pdf ]] | [[File:2017AR LCRbiomass.jpg|thumb|center|500px| https://www.usbr.gov/uc/rm/amp/twg/mtgs/17jan26/AR19_Kennedy.pdf ]] | ||
[[File:2017AR MidgeAbundance.jpg|thumb|center|500px| https://www.usbr.gov/uc/rm/amp/twg/mtgs/17jan26/AR19_Kennedy.pdf ]] | [[File:2017AR MidgeAbundance.jpg|thumb|center|500px| https://www.usbr.gov/uc/rm/amp/twg/mtgs/17jan26/AR19_Kennedy.pdf ]] | ||
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+ | *[http://gcdamp.com/index.php?title=Portal:GCDAMP_Knowlege_Assessments GCMRC Annual Reports page] | ||
*[http://gcdamp.com/index.php?title=Aquatic_Macroinvertebrates Aquatic Macroinvertebrates in Glen and Grand Canyons wiki page] | *[http://gcdamp.com/index.php?title=Aquatic_Macroinvertebrates Aquatic Macroinvertebrates in Glen and Grand Canyons wiki page] | ||
*[http://gcdamp.com/index.php?title=Algae_and_Aquatic_Macrophytes Algae and Aquatic Macrophytes wiki page] | *[http://gcdamp.com/index.php?title=Algae_and_Aquatic_Macrophytes Algae and Aquatic Macrophytes wiki page] | ||
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+ | '''2023''' | ||
+ | *[https://doi.org/10.1139/cjfas-2022-0229 Hansen et al., 2023, Linking ecosystem processes to consumer growth rates—Gross primary productivity as a driver of freshwater fish somatic growth in a resource-limited river: Canadian Journal of Fisheries and Aquatic Sciences] | ||
+ | *[https://doi.org/10.1002/jwmg.22414 Metcalfe et al., 2023, Insectivorous bat foraging tracks the availability of aquatic flies (Diptera), The Journal of Wildlife Management] | ||
+ | *[https://doi.org/10.1002/tafs.10381 Yard et al., 2023, Declines in prey production during the collapse of a tailwater rainbow trout population are associated with changing reservoir conditions: Transactions of the American Fisheries Society] | ||
+ | *[https://www.usbr.gov/uc/progact/amp/twg/2023-01-26-twg-meeting/20230126-AnnualReportingMeeting-MolecularModelingToolsTrackingFoodBaseDynamicsChangingEnvironments-508-UCRO.pdf Molecular and modeling tools for tracking food base dynamics in changing environments] | ||
+ | *[[Media:BAO_Approved-LHansen-Rev_Poster.pdf| A Decade of GPP Data in a Changing River]] | ||
+ | *[[Media:Wehr-Wrey-Stevens_diatoms.pdf| Changes in epiphytic diatoms in the Colorado River downstream of Glen Canyon Dam following reduced flow variation]] | ||
+ | |||
+ | '''2022''' | ||
+ | *[https://www.usbr.gov/uc/progact/amp/amwg/2022-02-10-amwg-meeting/20220210-ProjectF-AquaticEcologyFoodBaseMonitoring-508-UCRO.pdf Project F: Aquatic ecology and food base monitoring ] | ||
+ | *[https://www.usbr.gov/uc/progact/amp/twg/2022-01-13-twg-meeting/20220113-AnnualReportingMeeting-ProjectF-AquaticEcologyFoodBaseMonitoring-508-UCRO.pdf Project F: Aquatic ecology and food base monitoring ] | ||
+ | |||
+ | '''2021''' | ||
+ | *[[Media:Abernethy 2021 Hydropeaking intensity.pdf| Abernethy et al., 2021, Hydropeaking intensity and dam proximity limit aquatic invertebrate diversity in the Colorado River Basin: Ecosphere]] | ||
+ | *[https://www.usbr.gov/uc/progact/amp/twg/2021-04-14-twg-meeting/20210414-MacroinvertebrateOvipositionHabitatSelectivityEgg-MassDesiccationTolerances-508-UCRO.pdf Macroinvertebrate Oviposition Habitat Selectivity and Egg-Mass Desiccation Tolerances: Implications For Population Dynamics In Large Regulated Rivers ] | ||
+ | *[https://www.usbr.gov/uc/progact/amp/twg/2021-04-14-twg-meeting/20210414-DistributionImpactsBenthicHyporheicAnoxiaColoradoRiverEcosystem-508-UCRO.pdf Distribution and Impacts of Benthic and Hyporheic Anoxia on the Colorado River Ecosystem Downstream from Glen Canyon Dam, Arizona ] | ||
+ | *[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 ] | ||
'''2020''' | '''2020''' | ||
+ | *[https://www.sryahwapublications.com/annals-of-ecology-and-environmental-science/pdf/v4-i2/1.pdf Stevens et al. 2020. Benthic discontinuity between an unregulated tributary and the dam-controlled Colorado River, Grand Canyon, Arizona. Annals of Ecology and Environmental Science.] | ||
+ | *[https://doi.org/10.1111/fwb.13617 Metcalfe et al., 2020, Net‐spinning caddisfly distribution in large regulated rivers: Freshwater Biology] | ||
+ | *[https://www.usbr.gov/uc/progact/amp/twg/2020-10-15-twg-meeting/20201015-ColoradoRiverAquaticFoodbaseStudiesTapeatsCreek-Presentation-508-UCRO.pdf Colorado River Aquatic Foodbase Studies at Tapeats Creek, Grand Canyon National Park, Arizona: A Benthic Discontinuity ] | ||
+ | *[https://www.usgs.gov/mission-areas/ecosystems/science/episode-2-citizen-science?qt-science_center_objects=0#qt-science_center_objects Citizen Science - podcast ] | ||
*[[Media:Metcalfe 2020 Spatial population structure aquatic insect CR Basin.pdf|Metcalfe et al., 2020, Spatial population structure of a widespread aquatic insect in the Colorado River Basin--Evidence for a Hydropsyche oslari species complex: Freshwater Science]] | *[[Media:Metcalfe 2020 Spatial population structure aquatic insect CR Basin.pdf|Metcalfe et al., 2020, Spatial population structure of a widespread aquatic insect in the Colorado River Basin--Evidence for a Hydropsyche oslari species complex: Freshwater Science]] | ||
*[https://www.usbr.gov/uc/progact/amp/twg/2020-01-13-twg-meeting/20200113-AnnualReportingMeeting-TroutRecruitmentGrowthPopulationDynamics-Presentation-508-UCRO.pdf TRGD: Trout Recruitment, Growth and Population Dynamics ] | *[https://www.usbr.gov/uc/progact/amp/twg/2020-01-13-twg-meeting/20200113-AnnualReportingMeeting-TroutRecruitmentGrowthPopulationDynamics-Presentation-508-UCRO.pdf TRGD: Trout Recruitment, Growth and Population Dynamics ] |
Revision as of 17:22, 25 April 2024
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Aquatic Food Base monitoring below Glen Canyon Dam and into Grand CanyonAquatic insects live in the water as larvae most of their lives, then emerge onto land for a brief period as winged adults. Sampling these emerged adults on land is therefore a useful tool for understanding the condition of the aquatic insect population that is in the water, particularly in large rivers where sampling the larvae on the river bed is impractical. Aquatic insects have a terrestrial, winged adult life stage in which they leave the water and fly onto land in order to find a mate and reproduce. [1] LTEMP Resource Goal for the Aquatic Food BaseNo resource goal was identified for the aquatic food base. It was deemed more as "a means to an end" with regard to meeting goals for humpback chub, other native fish, and the rainbow trout fishery. Desired Future Condition for the Aquatic Food BaseThe aquatic food base will sustainably support viable populations of desired species at all trophic levels. Assure that an adequate, diverse, productive aquatic foodbase exists for fish and other aquatic and terrestrial species that depend on those food resources. |
EPT as Biologic Indicators of Stream Condition |
Algae and Aquatic Macrophytes |
Aquatic Macroinvertebrates |
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