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Ambient stream biological monitoring site

Umtanum Cr nr mouth

Photo of stream from sample site

Site details

project Ambient ecoregion Columbia Plateau
latitude 46.85483 county Kittitas
latitude -120.4796 land use reference site
elevation (ft) 1352 reference site True
stream order 1 map link

Years when sampling has occurred:

08 07 06 05 04 03 02 01 00 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81

Site comment:

Selected as one of ten core reference sites to be monitored annually starting in 2002.
For explanation on this site summary and any visit report below, see site summary and visit report keys.

Umtanum Cr nr mouth

Habitat measurements and taxa metrics - August 10, 1993

Note: A key is available for this visit report. For background on ambient monitoring protocol and ambient taxa metrics, see, respectively, Benthic Macroinvertebrate Biological Monitoring Protocols for Rivers and Streams: 2001 Revision and Multi-Metric Index Development for Biological Monitoring in Washington State Streams.

Habitat: stream chemistry, temperature, and flow

temperature
(deg C)
dis o winkler
(mg/L)
stream flow
(CFS)
pH
(pH)
conductivity
(umhos/cm)
16.29.40.279.4239

Habitat: dimensions, gradient, velocity, and canopy

samp
type
loc
type
loc
no
wetted
width
(m)
stream
gradient
(%)
sample
area
(m^2)
RPD
(m)
middepth
velocity
(FS)
max
depth
(m)
Dp
(m)
canopy
(%)
bottom
velocity
(FS)
bankfull
width
(m)
avg
depth
(m)
DKICKriffle12.31.000.75 0.30.23 0.10 5.4 

Habitat: substrate

loc
no
otherwoodsilt
clay
sandfine
gravel
coarse
gravel
cobbleboulderbedrock
rough
bedrock
smooth
1    16%68%16%   

Taxa: RIVPACS score

RIVPACS (River InVertebrate Prediction and Classification System) is not yet available for sites in Washington east of the Cascades.

Taxa: composition

samp
type
loc
type
loc
no
commentEPT
(%)
ephem
(%)
chiron
(%)
DKICKriffle0field composited67%47%
(5)
0%

Note: numbers in parentheses shows contribution to IBI score: 1 - poor; 3 - medium; 5 - good;

Taxa: richness

samp
type
loc
type
loc
no
commentTrichop
richness
(count)
total
richness
(count)
Plecop
richness
(count)
EPT
richness
(count)
Ephem
richness
(count)
DKICKriffle0field composited4
(3)
22
(1)
2
(1)
104
(3)

Note: numbers in parentheses shows contribution to IBI score: 1 - poor; 3 - medium; 5 - good;

Taxa: tolerance

samp
type
loc
type
loc
no
commenttemp
pref
avg
(score)
TV3
richness
(count)
HBI
(score)
BiTol
richness
(count)
tv7
(%)
top3
(%)
BiTol
(%)
DKICKriffle0field composited 74
(5)
30%70%
(1)
5%

Note: numbers in parentheses shows contribution to IBI score: 1 - poor; 3 - medium; 5 - good;

Taxa: trophic/habit

samp
type
loc
type
loc
no
commentsv
richness
(count)
clinger
richness
(count)
scrapers
(%)
predators
(%)
filterers
(%)
clingers
(%)
DKICKriffle0field composited4
(1)
91%27%19%
(5)
24%

Note: numbers in parentheses shows contribution to IBI score: 1 - poor; 3 - medium; 5 - good;

Taxa: sample results (individuals-per-square-meter estimates)

2 samples: #539 (riffle composite), #538 (pool composite)

sample #539

habitat typelocation no.sampler typesample area (m^2)
riffle (composite sample) DKICK 0.75
taxon id     	taxon name          	density (m^2)	% of total
------------------------------------------------------------------
100823       	B. bicaudatus       	   1485      	   38.8
103102       	Skwala sp.          	    600      	   15.7
126774       	Simulium sp.        	    585      	   15.3
101226       	P. temporalis       	    270      	    7.1
127113       	Atrichopogon sp.    	    240      	    6.3
114205       	Zaitzevia sp.       	    165      	    4.3
121027       	Dicranota sp.       	    120      	    3.1
115454       	H. betteni          	     90      	    2.4
126703       	Prosimulium sp.     	     60      	    1.6
103028       	I. petersoni        	     30      	    0.8
100637       	E. longimanus       	     15      	    0.4
102139       	Argia sp.           	     15      	    0.4
114169       	H. corpulentus      	     15      	    0.4
114180       	O. quadrimaculatus  	     15      	    0.4
100598       	Cinygma sp.         	     15      	    0.4
115098       	R. acropedes        	     15      	    0.4
P772         	R. Vofixa grp.      	     15      	    0.4
117159       	Glossosoma sp.      	     15      	    0.4
125810       	Dixa sp.            	     15      	    0.4
135849       	Clinocera sp.       	     15      	    0.4
97326        	P. leniusculus      	     15      	    0.4
115002       	Sialis sp.          	     15      	    0.4

sample #538

habitat typelocation no.sampler typesample area (m^2)
pool (composite sample) DKICK 0.75
taxon id     	taxon name          	density (m^2)	% of total
------------------------------------------------------------------
127917       	Chironomidae        	    855      	   76.3
101226       	P. temporalis       	    120      	   10.7
115002       	Sialis sp.          	     45      	    4.0
100817       	B. tricaudatus      	     40      	    3.6
101206       	P. bicornuta        	     20      	    1.8
112314       	Oreodytes sp.       	     15      	    1.3
115454       	H. betteni          	     10      	    0.9
94026        	Hyalella azteca     	      5      	    0.4
116794       	Lepidostoma sp.     	      5      	    0.4
114236       	O. nubifera         	      5      	    0.4

Download file containing all Ecology ambient stream biological monitoring data
Microsoft Access version 2000 format in ZIP archive, ~2 megabyte download

Questions or comments on content may be sent to George Onwumere
Questions or comments on presentation may be sent to Steve Barrett.

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