Difference between revisions of "Natal Origins Project (NO)"
From Glen Canyon Dam AMP
Cellsworth (Talk | contribs) |
Cellsworth (Talk | contribs) |
||
| (One intermediate revision by the same user not shown) | |||
| Line 30: | Line 30: | ||
*Food limitation led to the collapse in the trout population, and by extension also likely happened in the downstream reaches. | *Food limitation led to the collapse in the trout population, and by extension also likely happened in the downstream reaches. | ||
*Inflow hydrology and reservoir limnology likely govern the quality and quantity of nutrients supplied to the downstream river segments. | *Inflow hydrology and reservoir limnology likely govern the quality and quantity of nutrients supplied to the downstream river segments. | ||
| − | *[http://gcdamp.com/index.php?title=Nutrients Nutrient limitation] is hypothesized as being the “BIG HAMMER” to the riverine ecosystem, which needs to be evaluated in greater detail in future research. [https://www.usbr.gov/uc/ | + | *[http://gcdamp.com/index.php?title=Nutrients Nutrient limitation] is hypothesized as being the “BIG HAMMER” to the riverine ecosystem, which needs to be evaluated in greater detail in future research. [https://www.usbr.gov/uc/progact/amp/twg/2017-01-26-twg-meeting/AR16_Yard.pdf] |
|}<!-- | |}<!-- | ||
| Line 46: | Line 46: | ||
! <h2 style="margin:0; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3bfb1; text-align:left; color:#000; padding:0.2em 0.4em;">Updates</h2> | ! <h2 style="margin:0; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3bfb1; text-align:left; color:#000; padding:0.2em 0.4em;">Updates</h2> | ||
| − | [[File:ReachAbundances.jpg|center|700px | + | [[File:ReachAbundances.jpg|thumb|center|700px| [https://www.usbr.gov/uc/progact/amp/twg/2017-01-26-twg-meeting/AR16_Yard.pdf https://www.usbr.gov/uc/progact/amp/twg/2017-01-26-twg-meeting/AR16_Yard.pdf] ]] |
| − | [[File:EmigrationLargeRecruitmentEvents.jpg|center|700px | + | [[File:EmigrationLargeRecruitmentEvents.jpg|thumb|center|700px| Episodic movement occurs under periods of high recruitment (lots of little trout looking for a place to live) |
| − | [https://www.usbr.gov/uc/ | + | [https://www.usbr.gov/uc/progact/amp/twg/2017-01-26-twg-meeting/AR16_Yard.pdf https://www.usbr.gov/uc/progact/amp/twg/2017-01-26-twg-meeting/AR16_Yard.pdf] ]]<br> |
| − | [[File:EmigrationEnvironmentalStressor.jpg|center|700px | + | [[File:EmigrationEnvironmentalStressor.jpg|thumb|center|700px| Episodic movement occurs under periods of environmental stress (poor conditions) [https://www.usbr.gov/uc/progact/amp/twg/2017-01-26-twg-meeting/AR16_Yard.pdf https://www.usbr.gov/uc/progact/amp/twg/2017-01-26-twg-meeting/AR16_Yard.pdf] ]]<br> |
| − | [[File:NOconclusions.jpg|center|700px | + | [[File:NOconclusions.jpg|thumb|center|700px| [https://www.usbr.gov/uc/progact/amp/twg/2017-01-26-twg-meeting/AR16_Yard.pdf https://www.usbr.gov/uc/progact/amp/twg/2017-01-26-twg-meeting/AR16_Yard.pdf] ]] |
|} | |} | ||
| Line 124: | Line 124: | ||
*[http://www.nrcresearchpress.com/doi/abs/10.1139/cjfas-2015-0101#.WQOC9lXyu00 Korman et al. 2015. Factors controlling the abundance of rainbow trout in the Colorado River in Grand Canyon in a reach utilized by endangered humpback chub. Canadian Journal of Fisheries and Aquatic Sciences, 2016, 73(1): 105-124] | *[http://www.nrcresearchpress.com/doi/abs/10.1139/cjfas-2015-0101#.WQOC9lXyu00 Korman et al. 2015. Factors controlling the abundance of rainbow trout in the Colorado River in Grand Canyon in a reach utilized by endangered humpback chub. Canadian Journal of Fisheries and Aquatic Sciences, 2016, 73(1): 105-124] | ||
*[[2015 News about the declining fish status at Fishery| Update on the 2015 decline in fish condition and abundance at Lees Ferry]] | *[[2015 News about the declining fish status at Fishery| Update on the 2015 decline in fish condition and abundance at Lees Ferry]] | ||
| − | *[ | + | *[https://www.usbr.gov/uc/progact/amp/twg/2015-01-20-twg-meeting/Attach_12.pdf Natal Origins of Rainbow Trout: Glen Canyon and Marble Canyon] |
| − | *[ | + | *[https://www.usbr.gov/uc/progact/amp/twg/2015-01-20-twg-meeting/Attach_18.pdf Rainbow Trout Growth, Condition, Population Dynamics and Modeling in Glen Canyon] |
'''2014''' | '''2014''' | ||
*Yackulic, C.B, Yard, M.D., Korman, J. and D.R. Haverbeke. 2014. A quantitative life history of endangerd humpback chub that spawn in the Little Colorado River: variation in movement, growth, and survival. Ecol. Evol. 4: 1006-100. | *Yackulic, C.B, Yard, M.D., Korman, J. and D.R. Haverbeke. 2014. A quantitative life history of endangerd humpback chub that spawn in the Little Colorado River: variation in movement, growth, and survival. Ecol. Evol. 4: 1006-100. | ||
| − | *[ | + | *[https://www.usbr.gov/uc/progact/amp/twg/2014-10-28-twg-meeting/Attach_12.pdf New Insights on Trout from the Natal Origins Study] |
| − | *[ | + | *[https://www.usbr.gov/uc/progact/amp/twg/2014-01-30-twg-meeting/AR_Yard_Korman_NO.pdf Natal Origins of Rainbow Trout: Glen Canyon and Marble Canyon] |
| − | + | ||
'''2013''' | '''2013''' | ||
| − | *[ | + | *[https://www.usbr.gov/uc/progact/amp/twg/2013-01-24-twg-meeting/5_Yard.pdf Natal Origins: Glen Canyon and Marble Canyon] |
| − | + | ||
|- | |- | ||
| Line 145: | Line 143: | ||
=='''Local recruitment in Marble Canyon down to the LCR:'''== | =='''Local recruitment in Marble Canyon down to the LCR:'''== | ||
| − | There does appear to be some local trout recruitment in Marble Canyon down to the LCR but the numbers of trout at the LCR are driven more by immigration from upstream sources (i.e. the Lees Ferry reach) than by local recruitment. [https://www.usbr.gov/uc/ | + | There does appear to be some local trout recruitment in Marble Canyon down to the LCR but the numbers of trout at the LCR are driven more by immigration from upstream sources (i.e. the Lees Ferry reach) than by local recruitment. [https://www.usbr.gov/uc/progact/amp/twg/2014-10-28-twg-meeting/Attach_12.pdf] [https://www.usbr.gov/uc/progact/amp/twg/2017-01-26-twg-meeting/AR16_Yard.pdf] [[File:LocalRecruitment.jpg|center|700px]] |
|} | |} | ||
Latest revision as of 15:43, 23 January 2019
 |
|
| -- |
-- |
-- |
|---|
|
|
.jpg)
