Difference between revisions of "ECOSYSTEM"

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An [https://en.wikipedia.org/wiki/Ecosystem '''ecosystem'''] is a community of living organisms in conjunction with the nonliving components of their environment (things like air, water and mineral soil), interacting as a system. These biotic and abiotic components are regarded as linked together through nutrient cycles and energy flows. As ecosystems are defined by the network of interactions among organisms, and between organisms and their environment, they can be of any size but usually encompass specific, limited spaces (although some scientists say that the entire planet is an ecosystem).
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==[http://gcdamp.com/index.php?title=Long-term_Experimental_and_Management_Plan_(LTEMP) '''LTEMP Resource Goal for Natural Processes'''] ==
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Restore, to the extent practicable, ecological patterns and
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processes within their range of natural variability, including the natural
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abundance, diversity, and genetic and ecological integrity of the plant and
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animal species native to those ecosystems.  
  
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Ecosystems are controlled both by external and internal factors. External factors such as climate, the parent material that forms the soil, and topography control the overall structure of an ecosystem and the way things work within it, but are not themselves influenced by the ecosystem. Other external factors include time and potential biota. Ecosystems are dynamic entities—invariably, they are subject to periodic disturbances and are in the process of recovering from some past disturbance. Ecosystems in similar environments that are located in different parts of the world can have very different characteristics simply because they contain different species. The introduction of non-native species can cause substantial shifts in ecosystem function. Internal factors not only control ecosystem processes but are also controlled by them and are often subject to feedback loops. While the resource inputs are generally controlled by external processes like climate and parent material, the availability of these resources within the ecosystem is controlled by internal factors like decomposition, root competition or shading. Other internal factors include disturbance, succession and the types of species present.
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==[http://gcdamp.com/index.php?title=Portal:Desired_Future_Conditions_-DFCs '''Desired Future Condition for Native Species and Biotic Communities''']==
  
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Biodiversity affects ecosystem function, as do the processes of disturbance and succession. Ecosystems provide a variety of goods and services upon which people depend; the principles of ecosystem management suggest that rather than managing individual species, natural resources should be managed at the level of the ecosystem itself. Classifying ecosystems into ecologically homogeneous units is an important step towards effective ecosystem management, but there is no single, agreed-upon way to do this.
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'''Nonfish Biotic Communities:'''<br>
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Native non-fish aquatic biota and their habitats are sustainably maintained with ecologically appropriate distributions.<br>
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• Populations of native non-fish species (invertebrates and vertebrates, including Northern Leopard Frog).<br>
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- AMP support, actions and funding are limited to incorporation of dam operations which are conducive to restoration of extirpated species.<br>
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• Minimize the abundance and distribution of non-native species in the CRE.<br>
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• Sustainable dam-influenced aquatic, wetland, and springs plant communities and associated biological processes, including those supporting threatened and endangered species and their habitats.<br>
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'''CRE Riparian Domain:'''<br>
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Native riparian systems, in various stages of maturity, are diverse, healthy, productive, self-sustaining, and ecologically appropriate.<br>
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• Native, self-sustaining riverine wetlands, and riparian vegetation and habitat, with appropriate mixture of age classes.<br>
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• Healthy, self-sustaining populations of native riparian fauna (both resident and migratory).<br>
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• Habitat for sensitive species within the CRE<br>
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• Encourage the resolution of the taxonomic status of the Kanab ambersnail (e.g., completely describe the taxa and subspecies).<br>
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• Habitat for neotropical migratory birds, waterfowl, and other appropriate native bird species.<br>
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• Ecological functions of tributary mouths and riverside springs, including habitat for native species.<br>
  
 
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=== General Wildlife ===
 
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*Approximately '''355 Bird''', '''89 mammal''', '''47 reptile''', '''9 amphibian''', and thousands of aquatic and terrestrial invertebrate species can be found in GCNP and GCNRA's Glen Canyon reach.  (NPS CFMP-EA_pg 19)
 
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=== General Plant Species ===
 
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*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)
 
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#'''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.
 
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#'''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.
 
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#Approximately '''11%''' of flora in GCNP and GC reach is exotic. 
 
  
 
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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;">Reports and Links</h2>
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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;">Links and Information</h2>
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*[http://gcdamp.com/index.php?title=Portal:GCDAMP_Knowlege_Assessments GCMRC Annual Reports page]
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*[http://gcdamp.com/index.php?title=EXTIRPATED Species of Management Concern Page]
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*[http://gcdamp.com/index.php?title=Riparian_Vegetation Riparian Vegetation Page]
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*[http://gcdamp.com/index.php?title=Nutrients Nutrients Page]
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*[http://gcdamp.com/index.php?title=Related_Programs Related Programs]
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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;">Papers and Presentations</h2>
 
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'''2016'''
 
'''2016'''
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*[http://www.usbr.gov/uc/rm/amp/twg/mtgs/16jan26/documents/AR04_Mueller.pdf Linkages between controlled floods, eddy sandbar dynamics, and riparian vegetation along the Colorado River in Marble Canyon, Arizona, USA]
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*[https://www.usbr.gov/uc/progact/amp/twg/2016-10-18-twg-meeting/Attach_04.pdf Linkages Between Lake Powell Reservoir and the Colorado River Below Glen Canyon Dam]
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*[http://www.usbr.gov/uc/rm/amp/twg/mtgs/16jan26/documents/AR05_Sankey.pdf Riparian vegetation monitoring with remote sensing]
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*[https://www.usbr.gov/uc/progact/amp/twg/2016-02-26-twg-meeting/AR10_Stevens.pdf The Biogeographic Significance of a Large, Deep Canyon: Grand Canyon, Southwestern USA]
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*[http://www.usbr.gov/uc/rm/amp/twg/mtgs/16jan26/documents/AR06_Bulletts.pdf Southern Paiute Consortium Vegetation and Cultural Resource Monitoring Program]
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*[https://www.usbr.gov/uc/progact/amp/twg/2016-02-26-twg-meeting/AR11_Anderson.pdf Ecosystem Monitoring in Glen Canyon National Recreation Area]
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*[http://www.usbr.gov/uc/rm/amp/twg/mtgs/16jan26/documents/AR08_Fairley.pdf Historical Changes to Culturally-Important Riparian Plants along the Colorado River:  A Progress Report on Project 12]
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*[http://www.usbr.gov/uc/rm/amp/twg/mtgs/16jan26/documents/AR09_Ralston.pdf Report of Riparian Vegetation Workshop, June 23-25, 2015 in Flagstaff, AZ]
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*[http://www.usbr.gov/uc/rm/amp/twg/mtgs/16jan26/documents/AR10_Stevens.pdf The Biogeographic Significance of a Large, Deep Canyon: Grand Canyon, Southwestern USA]
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*[http://www.usbr.gov/uc/rm/amp/twg/mtgs/16jan26/documents/AR11_Anderson.pdf Ecosystem Monitoring in Glen Canyon National Recreation Area]
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'''2015'''
 
'''2015'''
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*[http://www.usbr.gov/uc/rm/amp/amwg/mtgs/15feb25/Attach_12.pdf The Stakeholder's Perspective - The National Parks Conservation Association]
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*[https://www.usbr.gov/uc/progact/amp/amwg/2015-02-25-amwg-meeting/Attach_12.pdf The Stakeholder's Perspective - The National Parks Conservation Association]
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*[http://www.usbr.gov/uc/rm/amp/amwg/mtgs/15feb25/Attach_11.pdf Lower Colorado River Multi-Species Conservation Program Update]
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*[https://www.usbr.gov/uc/progact/amp/amwg/2015-02-25-amwg-meeting/Attach_11.pdf Lower Colorado River Multi-Species Conservation Program Update]
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*[https://drive.google.com/file/d/0BwY-Z2c3NTUGTi1pSkhCWGJjWkk/view?usp=drive_web Collaborative Riparian Restoration in Glen Canyon NRA at Leopard Frog Marsh]
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*[[Media:USGS State of the CR ecosystem in the Grand Canyon- c1282.PDF | USGS State of the Colorado River Ecosystem in the Grand Canyon- c1282]]
 
*[[Media:USGS State of the CR ecosystem in the Grand Canyon- c1282.PDF | USGS State of the Colorado River Ecosystem in the Grand Canyon- c1282]]
  
 
'''2014'''
 
'''2014'''
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*[http://www.usbr.gov/uc/rm/amp/twg/mtgs/14oct28/Attach_04.pdf Report on Ten Years of Implementing the Lower Colorado Multi-Species Conservation Program (MSCP)]
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*[https://www.usbr.gov/uc/progact/amp/twg/2014-10-28-twg-meeting/Attach_04.pdf Report on Ten Years of Implementing the Lower Colorado Multi-Species Conservation Program (MSCP)]
  
 
'''2012'''
 
'''2012'''
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*According to the ''Basin Study'' (2012)] results suggested that '''ecological''' and recreational metrics were amongst the most vulnerable to future conditions...[Source: 2.4;Figure 2.3]*[http://www.usbr.gov/lc/region/programs/crbstudy/finalreport/Executive%20Summary/Executive_Summary_FINAL_Dec2012.pdf| LINK]
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*According to the ''Basin Study'' (2012)] results suggested that '''ecological''' and recreational metrics were amongst the most vulnerable to future conditions...[Source: 2.4;Figure 2.3]
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*[http://www.usbr.gov/lc/region/programs/crbstudy/finalreport/Executive%20Summary/Executive_Summary_FINAL_Dec2012.pdf| LINK]
  
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'''2010'''
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*[https://www.usbr.gov/uc/progact/amp/twg/2010-11-15-twg-meeting/Attach_11c.pdf Preliminary Update to TWG on Second Ecosystem Modeling Workshop]
  
 
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Latest revision as of 16:06, 21 January 2022
VegetationMonitoring.jpg

LTEMP Resource Goal for Natural Processes

Restore, to the extent practicable, ecological patterns and processes within their range of natural variability, including the natural abundance, diversity, and genetic and ecological integrity of the plant and animal species native to those ecosystems.

Desired Future Condition for Native Species and Biotic Communities

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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Updates

Links and Information

Papers and Presentations

2016

2015

2014

2012

  • According to the Basin Study (2012)] results suggested that ecological and recreational metrics were amongst the most vulnerable to future conditions...[Source: 2.4;Figure 2.3]
  • LINK

2010

Other Stuff
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