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Ambient stream biological monitoring site

Big Sheep Cr blw SR25

Photo of stream from sample site

Site details

project Ambient ecoregion Northern Rockies
latitude 48.94283 county Stevens
latitude -117.7714 land use Forest practice
elevation (ft) 1279 reference site False
stream order   map link

Years when sampling has occurred:

2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996
For explanation on this site summary and any visit report below, see site summary and visit report keys.

Big Sheep Cr blw SR25

Habitat measurements and taxa metrics - August 7, 1996

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.

Visit comment

1) big calimenria sp. exuvia on rocks. 2) crayfish present in slackwater margins.

Habitat: stream chemistry, temperature, and flow

temperature
(deg C)
dis o winkler
(mg/L)
stream flow
(CFS)
pH
(pH)
conductivity
(umhos/cm)
16.510.975.198.3183

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)
DKICKriffle116.00.750.75 2.20.10  2.231.0 
DKICKriffle217.00.500.75 3.00.42  0.229.0 
DKICKriffle316.02.000.75 0.60.20  0.327.0 
DKICKriffle416.01.000.75 1.70.35  1.027.0 

Habitat: substrate

loc
no
otherwoodsilt
clay
sandfine
gravel
coarse
gravel
cobbleboulderbedrock
rough
bedrock
smooth
1    26%34%40%   
2    12%26%22%40%  
3    10%14%38%38%  
4   2%2%28%32%36%  

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 composited76%55%10%

Taxa: richness

samp
type
loc
type
loc
no
commentTrichop
richness
(count)
total
richness
(count)
Plecop
richness
(count)
EPT
richness
(count)
Ephem
richness
(count)
DKICKriffle0field composited9356238

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 17412%63%29%

Taxa: trophic/habit

samp
type
loc
type
loc
no
commentsv
richness
(count)
clinger
richness
(count)
scrapers
(%)
predators
(%)
filterers
(%)
clingers
(%)
DKICKriffle0field composited6139%12%7%13%

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

2 samples: #882 (riffle composite), #881 (pool composite)

sample #882

habitat typelocation no.sampler typesample area (m^2)
riffle (composite sample) DKICK 0.75
taxon id     	taxon name          	density (m^2)	% of total
------------------------------------------------------------------
568574       	A. turbida          	   1189      	   32.7
100817       	B. tricaudatus      	    741      	   20.4
127917       	Chironomidae        	    358      	    9.8
103273       	Sweltsa grp.        	    252      	    6.9
114177       	Optioservus sp.     	    212      	    5.8
115258       	Wormaldia sp.       	    161      	    4.4
117121       	Agapetus sp.        	     91      	    2.5
126774       	Simulium sp.        	     81      	    2.2
103102       	Skwala sp.          	     76      	    2.1
114205       	Zaitzevia sp.       	     71      	    2.0
68422        	Oligochaeta         	     66      	    1.8
82754        	Acarina             	     45      	    1.2
102932       	C. sabulosa         	     25      	    0.7
115530       	A. grandis          	     25      	    0.7
116912       	B. americanus       	     25      	    0.7
102594       	Z. cinctipes        	     25      	    0.7
I370         	Heptagenia/Nixe sp. 	     25      	    0.7
115453       	Hydropsyche sp.     	     20      	    0.5
102994       	Perlodidae          	     20      	    0.5
59490        	Nematoda            	     15      	    0.4
103202       	Chloroperlidae      	     15      	    0.4
116046       	Neophylax sp.       	     10      	    0.3
119660       	Antocha monticola   	     10      	    0.3
120094       	Hexatoma sp.        	     10      	    0.3
130929       	Atherix sp.         	     10      	    0.3
53964        	Turbellaria         	     10      	    0.3
P610         	R. Angelita grp.    	     10      	    0.3
100572       	Rhithrogena sp.     	      5      	    0.1
111963       	Dytiscidae          	      5      	    0.1
P630         	R. Brunnea grp.     	      5      	    0.1
H705         	D. coloradensis/flav	      5      	    0.1
101399       	S. tibialis         	      5      	    0.1
101368       	D. doddsi           	      5      	    0.1
100996       	Ameletus sp.        	      5      	    0.1
115714       	Ochrotrichia sp.    	      5      	    0.1

sample #881

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        	    652      	   77.4
114177       	Optioservus sp.     	     30      	    3.6
68422        	Oligochaeta         	     27      	    3.2
59490        	Nematoda            	     26      	    3.1
82754        	Acarina             	     22      	    2.6
111963       	Dytiscidae          	     22      	    2.6
103273       	Sweltsa grp.        	     11      	    1.3
127338       	Ceratopogoninae sp. 	      8      	    1.0
117121       	Agapetus sp.        	      7      	    0.8
100817       	B. tricaudatus      	      7      	    0.8
120094       	Hexatoma sp.        	      7      	    0.8
119660       	Antocha monticola   	      4      	    0.5
114205       	Zaitzevia sp.       	      4      	    0.5
103102       	Skwala sp.          	      4      	    0.5
I370         	Heptagenia/Nixe sp. 	      3      	    0.4
568574       	A. turbida          	      3      	    0.4
130929       	Atherix sp.         	      1      	    0.1
76698        	Physella sp.        	      1      	    0.1
97325        	Pacifastacus sp.    	      1      	    0.1
100873       	Centroptilum sp.    	      1      	    0.1
120732       	Hesperoconopa sp.   	      1      	    0.1

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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