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Ambient stream biological monitoring site

Chewelah Cr

Photo of stream from sample site

Site details

project Ambient ecoregion Northern Rockies
latitude 48.2828 county Stevens
latitude -117.7148 land use urban
elevation (ft) 1903 reference site False
stream order 4 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.

Chewelah Cr

Habitat measurements and taxa metrics - August 8, 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)Parapsyche sp. (mod. abundance) 2) lg. clumps of submerged moss. Secondary pick from Laboratory sample: Corixidae, Cottus (sculpin), Tipula sp., Tabanidae.

Habitat: stream chemistry, temperature, and flow

temperature
(deg C)
dis o winkler
(mg/L)
stream flow
(CFS)
pH
(pH)
conductivity
(umhos/cm)
11.510.426.017.9230

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)
DKICKriffle14.21.250.19 2.00.30 1.001.08.6 
DKICKriffle24.90.250.19 1.90.20 0.151.010.3 
DKICKriffle34.90.250.19 2.70.26 0.561.09.6 
DKICKriffle46.80.250.19 2.21.40 0.791.29.1 

Habitat: substrate

loc
no
otherwoodsilt
clay
sandfine
gravel
coarse
gravel
cobbleboulderbedrock
rough
bedrock
smooth
1   14%46%28%12%   
2   4%36%42%18%   
3   10%48%30%12%   
4   14%26%44%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
(%)
DKICKriffle0numerically composited57%45%8%
DKICKriffle1replicate58%44%7%
DKICKriffle2replicate62%52%7%
DKICKriffle3replicate61%45%4%
DKICKriffle4replicate53%38%10%

Taxa: richness

samp
type
loc
type
loc
no
commentTrichop
richness
(count)
total
richness
(count)
Plecop
richness
(count)
EPT
richness
(count)
Ephem
richness
(count)
DKICKriffle0numerically composited12478299
DKICKriffle1replicate6306186
DKICKriffle2replicate6335176
DKICKriffle3replicate9357226
DKICKriffle4replicate11354194

Taxa: tolerance

samp
type
loc
type
loc
no
commenttemp
pref
avg
(score)
TV3
richness
(count)
HBI
(score)
BiTol
richness
(count)
tv7
(%)
top3
(%)
BiTol
(%)
DKICKriffle0numerically composited 19446%60%16%
DKICKriffle1replicate 135517%63%15%
DKICKriffle2replicate 16432%70%15%
DKICKriffle3replicate 16444%57%8%
DKICKriffle4replicate 11426%61%19%

Taxa: trophic/habit

samp
type
loc
type
loc
no
commentsv
richness
(count)
clinger
richness
(count)
scrapers
(%)
predators
(%)
filterers
(%)
clingers
(%)
DKICKriffle0numerically composited61520%8%4%28%
DKICKriffle1replicate61018%7%5%23%
DKICKriffle2replicate7819%6%4%22%
DKICKriffle3replicate81117%8%8%22%
DKICKriffle4replicate71223%10%2%32%

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

5 samples: #888 (pool composite), #889 (riffle 1), #890 (riffle 2), #891 (riffle 3), #892 (riffle 4)

sample #888

habitat typelocation no.sampler typesample area (m^2)
pool (composite sample) DKICK 0.75
taxon id     	taxon name          	density (m^2)	% of total
------------------------------------------------------------------
68422        	Oligochaeta         	   3630      	   66.7
127917       	Chironomidae        	   1118      	   20.5
100800       	Baetis sp.          	    263      	    4.8
114177       	Optioservus sp.     	    150      	    2.8
79119        	Pelecypoda          	     68      	    1.2
118840       	Tipulidae           	     30      	    0.6
135830       	Empididae           	     30      	    0.6
126640       	Simuliidae          	     23      	    0.4
101797       	Libellulidae        	     15      	    0.3
103364       	Corixidae           	     15      	    0.3
116025       	Ecclisomyia sp.     	     15      	    0.3
101232       	Ephemerellidae      	      8      	    0.1
102487       	P. regularis        	      8      	    0.1
103273       	Sweltsa grp.        	      8      	    0.1
111963       	Dytiscidae          	      8      	    0.1
120164       	Limnophila sp.      	      8      	    0.1
93294        	Amphipoda           	      8      	    0.1
125810       	Dixa sp.            	      8      	    0.1
136305       	Chelifera sp.       	      8      	    0.1
59490        	Nematoda            	      8      	    0.1
82754        	Acarina             	      8      	    0.1
119037       	Tipula sp.          	      8      	    0.1

sample #889

habitat typelocation no.sampler typesample area (m^2)
riffle 1 DKICK 0.19
taxon id     	taxon name          	density (m^2)	% of total
------------------------------------------------------------------
100800       	Baetis sp.          	    213      	   43.1
114177       	Optioservus sp.     	     70      	   14.2
68422        	Oligochaeta         	     69      	   14.0
127917       	Chironomidae        	     36      	    7.3
103273       	Sweltsa grp.        	     21      	    4.3
126640       	Simuliidae          	     15      	    3.0
100504       	Heptageniidae       	     10      	    2.0
100572       	Rhithrogena sp.     	      8      	    1.6
117154       	Anagapetus sp.      	      7      	    1.4
115408       	Cheumatopsyche sp.  	      7      	    1.4
102487       	P. regularis        	      6      	    1.2
100817       	B. tricaudatus      	      5      	    1.0
120732       	Hesperoconopa sp.   	      3      	    0.6
82754        	Acarina             	      3      	    0.6
103158       	C. trictura         	      2      	    0.4
114142       	Narpus sp.          	      2      	    0.4
114167       	Heterlimnius sp.    	      2      	    0.4
568632       	C. jacobi           	      2      	    0.4
79119        	Pelecypoda          	      2      	    0.4
116794       	Lepidostoma sp.     	      1      	    0.2
109216       	Coleoptera          	      1      	    0.2
116918       	B. occidentalis     	      1      	    0.2
103237       	Kathroperla perdita 	      1      	    0.2
116933       	Amiocentrus sp.     	      1      	    0.2
102517       	Nemouridae          	      1      	    0.2
118831       	Diptera             	      1      	    0.2
102467       	Plecoptera          	      1      	    0.2
101392       	D. flavilinea       	      1      	    0.2
119660       	Antocha monticola   	      1      	    0.2
115165       	R. Lieftincki grp. -	      1      	    0.2

sample #890

habitat typelocation no.sampler typesample area (m^2)
riffle 2 DKICK 0.19
taxon id     	taxon name          	density (m^2)	% of total
------------------------------------------------------------------
100800       	Baetis sp.          	    526      	   50.0
114177       	Optioservus sp.     	    166      	   15.8
127917       	Chironomidae        	     75      	    7.1
114197       	A. dispar           	     70      	    6.7
126640       	Simuliidae          	     37      	    3.5
115530       	A. grandis          	     28      	    2.7
103273       	Sweltsa grp.        	     21      	    2.0
100572       	Rhithrogena sp.     	     21      	    2.0
68422        	Oligochaeta         	     18      	    1.7
102487       	P. regularis        	     17      	    1.6
101399       	S. tibialis         	     13      	    1.2
82754        	Acarina             	      7      	    0.7
119660       	Antocha monticola   	      6      	    0.6
117154       	Anagapetus sp.      	      6      	    0.6
P610         	R. Angelita grp.    	      5      	    0.5
117232       	Lepidoptera         	      4      	    0.4
127338       	Ceratopogoninae sp. 	      4      	    0.4
P630         	R. Brunnea grp.     	      3      	    0.3
103102       	Skwala sp.          	      3      	    0.3
79119        	Pelecypoda          	      3      	    0.3
101392       	D. flavilinea       	      2      	    0.2
102594       	Z. cinctipes        	      2      	    0.2
101232       	Ephemerellidae      	      2      	    0.2
59490        	Nematoda            	      2      	    0.2
118831       	Diptera             	      2      	    0.2
100637       	E. longimanus       	      1      	    0.1
102597       	Z. Oregonensis grp. 	      1      	    0.1
114142       	Narpus sp.          	      1      	    0.1
116933       	Amiocentrus sp.     	      1      	    0.1
120732       	Hesperoconopa sp.   	      1      	    0.1
53964        	Turbellaria         	      1      	    0.1
69459        	Gastropoda          	      1      	    0.1
115972       	Pedomoecus sp.      	      1      	    0.1

sample #891

habitat typelocation no.sampler typesample area (m^2)
riffle 3 DKICK 0.19
taxon id     	taxon name          	density (m^2)	% of total
------------------------------------------------------------------
100800       	Baetis sp.          	    329      	   40.0
114196       	Ampumixis sp.       	    102      	   12.4
114177       	Optioservus sp.     	     72      	    8.8
126640       	Simuliidae          	     57      	    6.9
127917       	Chironomidae        	     40      	    4.9
115530       	A. grandis          	     33      	    4.0
117154       	Anagapetus sp.      	     24      	    2.9
100572       	Rhithrogena sp.     	     23      	    2.8
101399       	S. tibialis         	     18      	    2.2
68422        	Oligochaeta         	     16      	    1.9
100504       	Heptageniidae       	     15      	    1.8
59490        	Nematoda            	     14      	    1.7
103273       	Sweltsa grp.        	     13      	    1.6
102487       	P. regularis        	     13      	    1.6
82754        	Acarina             	     13      	    1.6
136305       	Chelifera sp.       	      7      	    0.9
103158       	C. trictura         	      5      	    0.6
115165       	R. Lieftincki grp. -	      4      	    0.5
115453       	Hydropsyche sp.     	      3      	    0.4
103359       	Hemiptera           	      2      	    0.2
102594       	Z. cinctipes        	      2      	    0.2
114167       	Heterlimnius sp.    	      2      	    0.2
79119        	Pelecypoda          	      2      	    0.2
P630         	R. Brunnea grp.     	      2      	    0.2
102597       	Z. Oregonensis grp. 	      1      	    0.1
115563       	P. almota           	      1      	    0.1
102591       	Zapada sp.          	      1      	    0.1
115933       	Limnephilidae       	      1      	    0.1
102467       	Plecoptera          	      1      	    0.1
115969       	Allocosmoecus sp.   	      1      	    0.1
101392       	D. flavilinea       	      1      	    0.1
116933       	Amiocentrus sp.     	      1      	    0.1
100637       	E. longimanus       	      1      	    0.1
118831       	Diptera             	      1      	    0.1
114144       	N. concolor         	      1      	    0.1

sample #892

habitat typelocation no.sampler typesample area (m^2)
riffle 4 DKICK 0.19
taxon id     	taxon name          	density (m^2)	% of total
------------------------------------------------------------------
100800       	Baetis sp.          	    524      	   34.5
114177       	Optioservus sp.     	    282      	   18.6
127917       	Chironomidae        	    157      	   10.3
114197       	A. dispar           	    135      	    8.9
115530       	A. grandis          	     82      	    5.4
68422        	Oligochaeta         	     81      	    5.3
103273       	Sweltsa grp.        	     37      	    2.4
101399       	S. tibialis         	     34      	    2.2
100557       	Cinygmula sp.       	     24      	    1.6
82754        	Acarina             	     22      	    1.4
100572       	Rhithrogena sp.     	     22      	    1.4
117154       	Anagapetus sp.      	     19      	    1.3
126640       	Simuliidae          	     14      	    0.9
115165       	R. Lieftincki grp. -	     13      	    0.9
103158       	C. trictura         	      9      	    0.6
119660       	Antocha monticola   	      8      	    0.5
115453       	Hydropsyche sp.     	      8      	    0.5
102487       	P. regularis        	      8      	    0.5
P630         	R. Brunnea grp.     	      6      	    0.4
102594       	Z. cinctipes        	      6      	    0.4
116905       	Brachycentridae     	      5      	    0.3
79119        	Pelecypoda          	      4      	    0.3
114144       	N. concolor         	      3      	    0.2
136305       	Chelifera sp.       	      3      	    0.2
53964        	Turbellaria         	      3      	    0.2
59490        	Nematoda            	      2      	    0.1
116069       	Limnephilus sp.     	      1      	    0.1
114205       	Zaitzevia sp.       	      1      	    0.1
115398       	Hydropsychidae      	      1      	    0.1
116046       	Neophylax sp.       	      1      	    0.1
116933       	Amiocentrus sp.     	      1      	    0.1
118831       	Diptera             	      1      	    0.1
119037       	Tipula sp.          	      1      	    0.1
127338       	Ceratopogoninae sp. 	      1      	    0.1
115933       	Limnephilidae       	      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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