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| | + | '''2024''' |
| | + | *[https://www.usbr.gov/uc/progact/amp/amwg/2024-02-29-amwg-meeting/20240229-EffectsDamOperationsArchaeologicalSites-508-UCRO.pdf Effects of dam operations and vegetation management on the preservation and geomorphic condition of archaeological sites ] |
| | + | *[https://www.usbr.gov/uc/progact/amp/amwg/2024-02-29-amwg-meeting/20240229-ProjectC-GettingColoradoRiverRiparianPlantCommunities-508-UCRO.pdf Project C: Getting to know Colorado River riparian plant communities ] |
| | + | *[https://www.usbr.gov/uc/progact/amp/twg/2024-01-25-twg-meeting/20240125-AnnualReportingMeeting-GettingToKnowColoradoRiverRiparianPlantCommunities-508-UCRO.pdf Getting to know Colorado River riparian plant communities] |
| | + | *[[Media:Dean_Topping_2024_VegFeedbacks_ARM_Poster_revised_loRes.pdf| The Effects of Vegetative Feedbacks on Flood Shape, Sediment Transport, and Geomorphic Change in Dryland Rivers]] |
| | + | *[[Media:MonitoringPoster 20240119 ForBAO PDF.pdf |Riparian Plant Community Metrics]] |
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| | '''2023''' | | '''2023''' |
| | + | *[https://doi.org/10.1007/s11258-023-01382-6 Butterfield, B.J., and Palmquist, E.C., 2023, Divergent physiological responses of hydric and mesic riparian plant species to a Colorado River experimental flow: Plant Ecology, p. 1-9,] |
| | *[https://www.usbr.gov/uc/progact/amp/twg/2023-04-13-twg-meeting/20230413-PariaBeachRestorationProject-508-UCRO.pdf Paria Beach Restoration Project] | | *[https://www.usbr.gov/uc/progact/amp/twg/2023-04-13-twg-meeting/20230413-PariaBeachRestorationProject-508-UCRO.pdf Paria Beach Restoration Project] |
| | *[https://www.usbr.gov/uc/progact/amp/amwg/2023-02-16-amwg-meeting/20230216-ScienceUpdateLakePowellRiparianVegetationBugFlows-508-UCRO.pdf Science Update: Lake Powell, Riparian Vegetation, and Bug Flows] | | *[https://www.usbr.gov/uc/progact/amp/amwg/2023-02-16-amwg-meeting/20230216-ScienceUpdateLakePowellRiparianVegetationBugFlows-508-UCRO.pdf Science Update: Lake Powell, Riparian Vegetation, and Bug Flows] |
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Maintain native vegetation and wildlife habitat, in
various stages of maturity, such that they are diverse, healthy, productive,
self-sustaining, and ecologically appropriate.
Nonfish Biotic Communities:
Native non-fish aquatic biota and their habitats are sustainably maintained with ecologically appropriate distributions.
• Populations of native non-fish species (invertebrates and vertebrates, including Northern Leopard Frog).
- AMP support, actions and funding are limited to incorporation of dam operations which are conducive to restoration of extirpated species.
• Minimize the abundance and distribution of non-native species in the CRE.
• Sustainable dam-influenced aquatic, wetland, and springs plant communities and associated biological processes, including those supporting threatened and endangered species and their habitats.
CRE Riparian Domain:
Native riparian systems, in various stages of maturity, are diverse, healthy, productive, self-sustaining, and ecologically appropriate.
• Native, self-sustaining riverine wetlands, and riparian vegetation and habitat, with appropriate mixture of age classes.
• Healthy, self-sustaining populations of native riparian fauna (both resident and migratory).
• Habitat for sensitive species within the CRE
• Encourage the resolution of the taxonomic status of the Kanab ambersnail (e.g., completely describe the taxa and subspecies).
• Habitat for neotropical migratory birds, waterfowl, and other appropriate native bird species.
• Ecological functions of tributary mouths and riverside springs, including habitat for native species.
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Links and Documents
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Vegetation Projects
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Hidden Slough in Glen Canyon
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Papers and Presentations
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2024
2023
- Butterfield, B.J., and Palmquist, E.C., 2023, Divergent physiological responses of hydric and mesic riparian plant species to a Colorado River experimental flow: Plant Ecology, p. 1-9,
- Paria Beach Restoration Project
- Science Update: Lake Powell, Riparian Vegetation, and Bug Flows
- Palmquist et al., 2023, Assessment of riparian vegetation patterns and change downstream from Glen Canyon Dam from 2014 to 2019: U.S. Geological Survey Open-File Report
- Predictive Vegetation Modeling: Progress and Opportunities for Growth
2022
2021
2020
2019
2018
2017
- Ralston, et al., 2017, Taxonomic and compositional differences of ground-dwelling arthropods in riparian habitats in Glen Canyon, Arizona, USA: Western North American Naturalist, v. 77, no. 3, p. 369-384
- McCoy-Sulentic et al., 2017, Variation in species-level plant functional traits over wetland indicator status categories: Ecology and Evolution
- McCoy-Sulentic et al., 2017, Changes in Community-Level Riparian Plant Traits Over Inundation Gradients, Colorado River, Grand Canyon: Wetlands
- Durning et al., 2017, Riparian vegetation classification of the Colorado River Corridor, Grand Canyon, Arizona, 2013—Data: U.S. Geological Survey data release
- Ralston and Sarr. 2017. Case studies of riparian and watershed restoration in the southwestern United States—Principles, challenges, and successes.
- The Individual and Additive Effects of Hydrologic Alteration and Vegetation Encroachment on Sediment Connectivity in Grand Canyon PPT
2016
- Palmquist et al. 2017. Functional traits and ecological affinities of riparian plants along the Colorado River in Grand Canyon
- Riparian Vegetation Monitoring with Remote Sensing
- Sankey et al. 2016, Remote Sensing of Tamarisk Biomass, Insect Herbivory, and Defoliation: Novel Methods in the Grand Canyon Region, Arizona: Photogrammetric Engineering and Remote Sensing 82(8), pp. 645-652
- Linkages between controlled floods, eddy sandbar dynamics, and riparian vegetation along the Colorado River in Marble Canyon, Arizona, USA
- Riparian vegetation monitoring with remote sensing
- Southern Paiute Consortium Vegetation and Cultural Resource Monitoring Program
- Historical Changes to Culturally-Important Riparian Plants along the Colorado River: A Progress Report on Project 12
- Report of Riparian Vegetation Workshop, June 23-25, 2015 in Flagstaff, AZ
2015
2013
2012
2010
2009
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LTEMP Experimental Action: Native and Nonnative Plant Management and Experimental Treatments (BA, pages 41-42) [1]
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Experimental riparian vegetation treatment activities would be implemented by NPS
under the proposed action and would modify the cover and distribution of riparian plant
communities along the Colorado River. All activities would be consistent with NPS
Management Policies (NPS 2006) and would occur only within the Colorado River
Ecosystem in areas that are influenced by dam operations. NPS would work with tribal
partners and GCMRC to experimentally implement and evaluate a number of vegetation
control and native replanting activities on the riparian vegetation within the Colorado
River Ecosystem in GCNP and GCNRA. These activities would include ongoing
monitoring and removal of selected nonnative plant species, systematic removal of
nonnative vegetation at targeted sites, and native replanting at targeted sites, which may
include complete removal of tamarisk (both live and dead) and re-vegetation with native
plants. Treatments would include the control of nonnative plant species and revegetation
with native plant species.
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Experimental Vegetation Treatment and Mitigation (LTEMP ROD pg 19)
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As part of LTEMP, experimental riparian vegetation treatment was included as mitigation for
dam operations within CRE. Vegetation treatment actions on NPS managed lands will be
implemented by NPS consistent with NPS Management Policies (NPS 2006) and will occur only
within the CRE in areas that are influenced by dam operations. The NPS will work with tribal
partners and GCMRC to experimentally implement and evaluate a number of vegetation control
and native replanting activities on the riparian vegetation within the Colorado River Ecosystem
in GCNP and GCNRA. These activities would include ongoing monitoring and removal of
selected nonnative plants, species in the corridor, systematic removal of nonnative vegetation at
targeted sites, and native replanting at targeted sites and subreaches, which may include
complete removal of tamarisk (both live and dead) and revegetation with native vegetation.
Treatments would fall into two broad categories, including the control of nonnative plant species
and revegetation with native plant species. Principal elements of this experimental riparian
vegetation proposal include:
- Control nonnative plant species affected by dam operations, including tamarisk and other highly invasive species;
- Develop native plant materials for replanting through partnerships and the use of regional greenhouses;
- Replant native plant species to priority sites along the river corridor, including native species of interest to tribes;
- Remove vegetation encroaching on campsites; and
- Manage vegetation to assist with cultural site protection.
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Other Stuff
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General Plant Species
- Approximately 129 vegetation communities, Over 850 species have been reported from GCNRA, and over 1,750 vascular plant species from GCNP (NPS CFMP-EA_pg 19)
- Riparian communities are dominated by species such as coyote and seep willows, arrowweed, western honey mesquite, catclaw acacia, and exotic tamarisk with many other species present.
- Desert Scrub communities are dominated by species such as creosote, white bursage, brittle bush, ocotillo, four-wing saltbush, big sagebrush, ephedra, dropseed, brome grasses, and many other species.
- Approximately 11% of flora in GCNP and GC reach is exotic.
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