Monitoring Monitoring

GCDAMP TWG M GCDAMP TWG Meeting

October 1 October 1

-2, 2003 2, 2003

Phoenix Phoenix, AZ

A Preliminary Proposa

A Preliminary Proposa

Describing and Catego

Describing and Catego

Monitoring Efforts 

Monitoring Efforts 

GCMRC in Support of 

GCMRC in Support o

Glen Canyon Adapt

Glen Canyon Adapt

Management Progra

Management Progra
GCMRC Researc

GCMRC Researc

Monitoring Progr

Monitoring Progr

 Monitoring Monitoring

 Core Monitoring Core Monitoring Effects Monitoring Effects Monitoring

 Research Research
Core Monitorin

Core Monitorin

 Resources to be monitored:

 A. Sediment B. Vegetation C. Fish D. Food base E. Cultural Resources F. Hydrology G. Water Quality H. Recreation I. Threatened and endangered sp
For Each Resourc

For Each Resourc

 What do managers want to kno

What do managers want to kno

 Where do they want to know it? Where do they want to know it? How frequently do they need to 

How frequently do they need to 

 What are the general methods 

What are the general methods 

this information? this information?
Sediment Sediment

 What:

1.Is there any significant change in t

storage over time?

2.What is the effect of natural pertur

sediment storage?

 Where: Lees Ferry, Marble Canyon, below 

Colorado Riv

e

r

 How often: Fine sediment storage- every  Methods: Sand bar area & Volume

Mass balance sediment transport determin
Vegetation Vegetation

1.What is the status of non-native pla

along the river?

2.What is the status of the old high-w

vegetation?

3.What are the changes in plant com

location)

 Where: CRE When: Every 5 years  Methods: Remote sensing will be 

trend analysis. Invasive species ancompetition will require some field sground truthing. 
Fish

 What? 1.Status and trends of Humpback C

Status and trends of Humpback C

levels, location, demographics). levels, location, demographics).

 2.Status and trend of Lees Ferry Rainbow 

(population and proportional stock density

 3.Status and trends of native species (non-

 a. Western Speckled Dace b. Flannelmouth Sucker c. Bluehead Sucker

 4. Status and trends of non-native fish spe

Grand Canyon.

 5. Status and trends, and distribution a

of nearshore-rearing habitat in the CR

 Where: CRE When: Annually
Fish cont.....meth

Fish cont.....meth

Lees Ferry Rainbow Trout:

1. Where: Dam t

o Lees Ferry

2. When: Annually3. Methodology: Semi-annual samplinelectrofishing

techniques

Humpback Chub

1. Where: LCR and confluence zone2. When: Annually3. Methodology: One mark/recapture 

year, using Hoop netting/Trammel net
Fish cont.....meth

Fish cont.....meth

 Native species

1. Where: CRE

2. When: Annually3. Method: Hoop net and tramm

 Non-native fish species 

1. Where: CRE2. When: Annually3. Method: Electrofishing, rand
Foodbase Foodbase

 What are the status and trend of 

productivity and the composition and drift invertebrate community 

 a.How is the food base taxono

composition changing over ti

 b.Is there sufficient food to fe c.Is the food base available to 

(drift)?

 Where: CRE When: Annually Methods: Metabolism measurem

dredge, drift nets
Cultural Resourc

Cultural Resourc

(tentative) (tentative)

 1.What are the status and trend o

are the status and trend o

properties in the CRE? properties in the CRE?

 Where: the entire CRE When: Once every 5 years for e

annually for a subset of sites. 

 Methods: Remote sensing supp

site visits
Hydrology Hydrology

 1.What are the flows (CFS) in vario

mainstem and certain tributaries?

 Where: CRE- Lees Ferry, Sixty-mi

Canyon, Diamond Creek, Paria, LClesser tributaries in Marble Canyon

 When: Continuous Methods: Selected Conventional C

Surrogate In Situ Monitors and USG
Water Quality Water Quality

 1.What is the status and trends o

is the status and trends o

quality (temperature, DO (dissolv

quality (temperature, DO (dissolv

conductivity, pH, turbidity) conductivity, pH, turbidity) 

 Where: Where: CRE

- Glen Canyon, Lee

Glen Canyon, Lee

Grand Canyon, Diamond Creek Grand Canyon, Diamond Creek

 When: Continuous Continuous

 Methods: in situ sensors
Recreation Recreation

(tentative) (tentative)

 1.What: is the level of visitor sat

is the level of visitor sat

the recreational activities in the C

the recreational activities in the C

 Where: CRE wide CRE wide

- anglers at Le

anglers at Le

private boaters, commercial river private boaters, commercial rive

clients clients

 When: every 5 years every 5 years

 Methods: Visitor Satisfaction Su
Other Threatened 

Other Threatene

Endangered Spec

Endangered Spec

(e.g. KAS) (e.g. KAS)

 What is the status and trends of Kana

is the status and trends of Kana

habitat at Vasey’s Paradise? habitat at Vasey’s Paradise?

 Where: Where: Vasey’s Paradise Vasey’s Paradise When: every 3 years every 3 years Methods: Methods: Remote sensing, with annu

Remote sensing, with annu

presence/absence surveys of Kanab a

presence/absence surveys of Kanab a