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Ambient stream biological monitoring site

Oak Creek

Photo of stream from sample site

Site details

project Ambient ecoregion Columbia Plateau
latitude 46.729 county Yakima
latitude -120.8752 land use reference site
elevation (ft) 750 reference site True
stream order 3 map link

Years when sampling has occurred:

2008 2007 2006 2005 2004 2003 2002 2001 2000

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.

Site visit reports:

Oak Creek

Habitat measurements and taxa metrics - September 23, 2004

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

Elk scat in the creek.

Habitat: stream chemistry, temperature, and flow

temperature
(deg C)
dis o winkler
(mg/L)
stream flow
(CFS)
pH
(pH)
conductivity
(umhos/cm)
10.211.51.077.8129

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)
DKICKriffle12.73.00  0.40.12 0.650.95.00.12
DKICKriffle21.41.50  2.70.09 0.752.76.60.09
DKICKriffle32.42.20  2.10.12 0.741.15.60.12
DKICKriffle45.71.80  1.30.09 0.341.39.80.09

Habitat: substrate

loc
no
otherwoodsilt
clay
sandfine
gravel
coarse
gravel
cobbleboulderbedrock
rough
bedrock
smooth
1    4%24%72%   
2    6%68%26%   
3    14%36%50%   
4    14%42%44%   

Habitat: pebble counts

loc
no
<2mm2-4mm4-6mm6-8mm8-11mm11-16mm16-22mm22-32mm32-45mm45-64mm64-90mm90-128mm128-180mm180-256mm256-512mm>=512mm
1 20%  2%2%2%4%2%6%18%10%34%   
2 8% 7%3%7%8%8%10%17%15%3%5%7%  
3 4% 2% 2%4%18%12%14%18%4%12%10%  
4 2%    4%7%7%13%20%24%15%4%4% 

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 composited77%36%
(5)
4%

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 composited9
(5)
40
(5)
4
(3)
207
(5)

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

Taxa: tolerance

samp
type
loc
type
loc
no
commentTV3
richness
(count)
temp
pref
avg
(score)
HBI
(score)
BiTol
richness
(count)
tv7
(%)
top3
(%)
BiTol
(%)
DKICKriffle0field composited1210.874
(5)
0%5%46%
(5)
4%

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 composited7
(3)
1622%9%23%
(5)
51%

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

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

sample #2476

habitat typelocation no.sampler typesample area (m^2)
riffle (composite sample) DKICK 0.76
taxon id     	taxon name          	density (m^2)	% of total
------------------------------------------------------------------
115453       	Hydropsyche sp.     	    977      	   19.5
100557       	Cinygmula sp.       	    730      	   14.6
102594       	Z. cinctipes        	    582      	   11.6
101187       	Paraleptophlebia sp.	    424      	    8.5
100817       	B. tricaudatus      	    306      	    6.1
103273       	Sweltsa grp.        	    188      	    3.7
100666       	Ironodes sp.        	    188      	    3.7
68510        	Enchytraeidae       	    178      	    3.5
128874       	Orthocladius        	    168      	    3.3
126774       	Simulium sp.        	    148      	    2.9
114093       	Elmidae             	    118      	    2.4
119656       	Antocha sp.         	    109      	    2.2
100626       	Epeorus sp.         	    109      	    2.2
103102       	Skwala sp.          	     79      	    1.6
127338       	Ceratopogoninae sp. 	     69      	    1.4
114167       	Heterlimnius sp.    	     59      	    1.2
59490        	Nematoda            	     59      	    1.2
114205       	Zaitzevia sp.       	     49      	    1.0
115641       	Hydroptila sp.      	     49      	    1.0
117159       	Glossosoma sp.      	     49      	    1.0
P630         	R. Brunnea grp.     	     39      	    0.8
82754        	Acarina             	     30      	    0.6
115155       	R. Sibirica grp. - n	     30      	    0.6
568598       	D. hageni           	     30      	    0.6
129890       	Micropsectra        	     20      	    0.4
116933       	Amiocentrus sp.     	     20      	    0.4
115408       	Cheumatopsyche sp.  	     20      	    0.4
81388        	Pisiidae            	     20      	    0.4
114177       	Optioservus sp.     	     20      	    0.4
97325        	Pacifastacus sp.    	     10      	    0.2
100996       	Ameletus sp.        	     10      	    0.2
102986       	C. californica      	     10      	    0.2
102994       	Perlodidae          	     10      	    0.2
53964        	Turbellaria         	     10      	    0.2
136305       	Chelifera sp.       	     10      	    0.2
116794       	Lepidostoma sp.     	     10      	    0.2
114142       	Narpus sp.          	     10      	    0.2
129657       	Polypedilum         	     10      	    0.2
128401       	Pagastia            	     10      	    0.2
115097       	Rhyacophila sp.     	     10      	    0.2
125351       	Psychodidae         	     10      	    0.2
120164       	Limnophila sp.      	     10      	    0.2
Y800         	Eukiefferiella Devon	     10      	    0.2
114139       	L. avara            	     10      	    0.2

Oak Creek

Habitat measurements and taxa metrics - August 26, 2003

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

Just upstream from 2002 burn zone.

Habitat: stream chemistry, temperature, and flow

temperature
(deg C)
dis o winkler
(mg/L)
stream flow
(CFS)
pH
(pH)
conductivity
(umhos/cm)
14.9.30.977.8129

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)
DKICKriffle16.15.50  2.00.06 0.822.06.10.03
DKICKriffle23.82.00  1.50.03 0.711.56.60.03
DKICKriffle35.44.00  1.50.03 0.661.56.90.03
DKICKriffle44.82.00  1.10.12 0.681.55.70.12

Habitat: substrate

loc
no
otherwoodsilt
clay
sandfine
gravel
coarse
gravel
cobbleboulderbedrock
rough
bedrock
smooth
1    6%50%44%   
2     32%46%22%  
3     32%52%16%  
4    10%48%42%   

Habitat: pebble counts

loc
no
<2mm2-4mm4-6mm6-8mm8-11mm11-16mm16-22mm22-32mm32-45mm45-64mm64-90mm90-128mm128-180mm180-256mm256-512mm>=512mm
1                
2                
3                
4                

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 composited79%27%
(3)
6%

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 composited7
(3)
37
(5)
6
(3)
229
(5)

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

Taxa: tolerance

samp
type
loc
type
loc
no
commentTV3
richness
(count)
temp
pref
avg
(score)
HBI
(score)
BiTol
richness
(count)
tv7
(%)
top3
(%)
BiTol
(%)
DKICKriffle0field composited1613.064
(5)
32%59%
(5)
22%

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 composited7
(3)
166%8%34%
(5)
47%

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

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

sample #2052

habitat typelocation no.sampler typesample area (m^2)
riffle (composite sample) DKICK 0.76
taxon id     	taxon name          	density (m^2)	% of total
------------------------------------------------------------------
115453       	Hydropsyche sp.     	    291      	   30.4
100817       	B. tricaudatus      	    178      	   18.6
102594       	Z. cinctipes        	     99      	   10.3
103273       	Sweltsa grp.        	     33      	    3.4
129952       	Rheotanytarsus      	     29      	    3.0
126774       	Simulium sp.        	     26      	    2.7
100557       	Cinygmula sp.       	     24      	    2.5
114205       	Zaitzevia sp.       	     24      	    2.5
568598       	D. hageni           	     22      	    2.3
103102       	Skwala sp.          	     21      	    2.2
119656       	Antocha sp.         	     18      	    1.9
82754        	Acarina             	     17      	    1.8
117159       	Glossosoma sp.      	     17      	    1.8
59490        	Nematoda            	     16      	    1.7
68510        	Enchytraeidae       	     14      	    1.5
101187       	Paraleptophlebia sp.	     13      	    1.4
100666       	Ironodes sp.        	     13      	    1.4
116958       	Micrasema sp.       	     12      	    1.3
114093       	Elmidae             	     11      	    1.1
115258       	Wormaldia sp.       	      9      	    0.9
P630         	R. Brunnea grp.     	      8      	    0.8
128401       	Pagastia            	      7      	    0.7
127338       	Ceratopogoninae sp. 	      5      	    0.5
129890       	Micropsectra        	      5      	    0.5
568521       	Cricotopus (Cricotop	      5      	    0.5
102994       	Perlodidae          	      4      	    0.4
101399       	S. tibialis         	      4      	    0.4
114164       	Cleptelmis sp.      	      4      	    0.4
129657       	Polypedilum         	      4      	    0.4
125514       	Pericoma sp.        	      4      	    0.4
102914       	Perlidae            	      3      	    0.3
102972       	H. pacifica         	      3      	    0.3
116268       	D. gilvipes         	      3      	    0.3
129197       	Tvetenia            	      3      	    0.3
114177       	Optioservus sp.     	      1      	    0.1
Y820         	Eukiefferiella Pseud	      1      	    0.1
128874       	Orthocladius        	      1      	    0.1
101370       	D. grandis          	      1      	    0.1
101368       	D. doddsi           	      1      	    0.1
129182       	Thienemanniella     	      1      	    0.1
136377       	Oreogeton sp.       	      1      	    0.1
100598       	Cinygma sp.         	      1      	    0.1
115530       	A. grandis          	      1      	    0.1

Oak Creek

Habitat measurements and taxa metrics - August 12, 2002

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)
13.29.71.667.8114

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)
DKICKriffle11.73.00  2.80.40 0.662.35.20.30
DKICKriffle28.05.00  0.60.30 0.400.48.00.30
DKICKriffle37.35.00   1.30 0.320.710.40.10
DKICKriffle43.87.00  1.80.30 0.441.85.30.20

Habitat: substrate

loc
no
otherwoodsilt
clay
sandfine
gravel
coarse
gravel
cobbleboulderbedrock
rough
bedrock
smooth
1    4%36%60%   
2    2%28%70%   
3    22%64%14%   
4    8%38%52%2%  

Habitat: pebble counts

loc
no
<2mm2-4mm4-6mm6-8mm8-11mm11-16mm16-22mm22-32mm32-45mm45-64mm64-90mm90-128mm128-180mm180-256mm256-512mm>=512mm
1       10%16%38%18%16% 2%  
2       8%16%22%22%24%6%2%  
3   12%4%2%4%8%20%14%12%16%8%   
410%     2%6%10%22%16%20%10%4%  

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 composited63%31%
(3)
7%

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 composited11
(5)
48
(5)
7
(5)
268
(5)

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

Taxa: tolerance

samp
type
loc
type
loc
no
commentTV3
richness
(count)
temp
pref
avg
(score)
HBI
(score)
BiTol
richness
(count)
tv7
(%)
top3
(%)
BiTol
(%)
DKICKriffle0field composited1813.114
(5)
23%52%
(5)
24%

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 composited10
(5)
223%6%29%
(5)
41%

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

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

sample #1840

habitat typelocation no.sampler typesample area (m^2)
riffle (composite sample) DKICK 0.76
taxon id     	taxon name          	density (m^2)	% of total
------------------------------------------------------------------
100817       	B. tricaudatus      	    163      	   20.8
126774       	Simulium sp.        	    143      	   18.2
102594       	Z. cinctipes        	    104      	   13.2
115398       	Hydropsychidae      	     33      	    4.2
129890       	Micropsectra        	     29      	    3.7
115258       	Wormaldia sp.       	     28      	    3.6
115453       	Hydropsyche sp.     	     26      	    3.3
568598       	D. hageni           	     25      	    3.2
101187       	Paraleptophlebia sp.	     18      	    2.3
101368       	D. doddsi           	     17      	    2.2
114205       	Zaitzevia sp.       	     17      	    2.2
68510        	Enchytraeidae       	     16      	    2.0
115530       	A. grandis          	     12      	    1.5
82754        	Acarina             	     12      	    1.5
114177       	Optioservus sp.     	     11      	    1.4
102567       	Malenka sp.         	     11      	    1.4
125514       	Pericoma sp.        	      9      	    1.1
114167       	Heterlimnius sp.    	      9      	    1.1
103102       	Skwala sp.          	      7      	    0.9
103273       	Sweltsa grp.        	      7      	    0.9
129935       	Paratanytarsus      	      7      	    0.9
100557       	Cinygmula sp.       	      7      	    0.9
102994       	Perlodidae          	      5      	    0.6
114093       	Elmidae             	      5      	    0.6
129197       	Tvetenia            	      5      	    0.6
129657       	Polypedilum         	      5      	    0.6
101399       	S. tibialis         	      5      	    0.6
102914       	Perlidae            	      5      	    0.6
116958       	Micrasema sp.       	      4      	    0.5
116794       	Lepidostoma sp.     	      4      	    0.5
81388        	Pisiidae            	      4      	    0.5
100504       	Heptageniidae       	      4      	    0.5
P630         	R. Brunnea grp.     	      3      	    0.4
117159       	Glossosoma sp.      	      3      	    0.4
114142       	Narpus sp.          	      3      	    0.4
119656       	Antocha sp.         	      3      	    0.4
128874       	Orthocladius        	      2      	    0.3
127994       	Tanypodinae         	      1      	    0.1
97325        	Pacifastacus sp.    	      1      	    0.1
59490        	Nematoda            	      1      	    0.1
101233       	Ephemerella sp.     	      1      	    0.1
53964        	Turbellaria         	      1      	    0.1
130915       	Glutops sp.         	      1      	    0.1
128978       	Parametriocnemus    	      1      	    0.1
116906       	Brachycentrus sp.   	      1      	    0.1
102972       	H. pacifica         	      1      	    0.1
127112       	Forcipomyiinae sp.  	      1      	    0.1
121027       	Dicranota sp.       	      1      	    0.1
117121       	Agapetus sp.        	      1      	    0.1
115155       	R. Sibirica grp. - n	      1      	    0.1
128130       	Conchapelopia       	      1      	    0.1

Oak Creek

Habitat measurements and taxa metrics - September 28, 2000

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

We were up at the 2nd campsite on the mainstem Oak Ck. We crossed a mucky sidechannel through brush. We encountered aggressive hornets in a debris pile, crossing the creek.

Habitat: stream chemistry, temperature, and flow

temperature
(deg C)
dis o winkler
(mg/L)
stream flow
(CFS)
pH
(pH)
conductivity
(umhos/cm)
11.9.31.37.8135

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)
DKICKriffle15.010.000.19 0.50.05 0.320.56.9 
DKICKriffle29.54.000.19 0.90.20 0.380.910.6 
DKICKriffle39.54.000.19 0.40.20 0.220.410.5 
DKICKriffle410.30.500.19 1.20.10 0.251.217.0 

Habitat: substrate

loc
no
otherwoodsilt
clay
sandfine
gravel
coarse
gravel
cobbleboulderbedrock
rough
bedrock
smooth
1    2%34%64%   
2   12%4%40%44%   
3   2%24%26%42%6%  
4    14%60%26%   

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 composited78%20%
(3)
14%

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 composited12
(5)
49
(5)
9
(5)
298
(5)

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

Taxa: tolerance

samp
type
loc
type
loc
no
commentTV3
richness
(count)
temp
pref
avg
(score)
HBI
(score)
BiTol
richness
(count)
tv7
(%)
top3
(%)
BiTol
(%)
DKICKriffle0field composited2312.883
(5)
53%54%
(5)
4%

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 composited9
(5)
209%9%26%
(5)
43%

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

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

sample #1176

habitat typelocation no.sampler typesample area (m^2)
riffle (composite sample) DKICK 0.75
taxon id     	taxon name          	density (m^2)	% of total
------------------------------------------------------------------
115453       	Hydropsyche sp.     	   2136      	   25.3
102594       	Z. cinctipes        	   1576      	   18.7
128457       	Orthocladiinae sp.  	    863      	   10.2
100557       	Cinygmula sp.       	    455      	    5.4
101226       	P. temporalis       	    424      	    5.0
101239       	E. inermis          	    364      	    4.3
100817       	B. tricaudatus      	    242      	    2.9
103273       	Sweltsa grp.        	    227      	    2.7
128341       	Diamesinae sp.      	    182      	    2.2
81391        	Sphaerium sp.       	    152      	    1.8
P630         	R. Brunnea grp.     	    152      	    1.8
119656       	Antocha sp.         	    152      	    1.8
116794       	Lepidostoma sp.     	    151      	    1.8
117159       	Glossosoma sp.      	    136      	    1.6
102994       	Perlodidae          	    121      	    1.4
129228       	Chironominae sp.    	     76      	    0.9
68422        	Oligochaeta         	     76      	    0.9
100666       	Ironodes sp.        	     76      	    0.9
114142       	Narpus sp.          	     76      	    0.9
116958       	Micrasema sp.       	     76      	    0.9
115530       	A. grandis          	     61      	    0.7
116906       	Brachycentrus sp.   	     61      	    0.7
116046       	Neophylax sp.       	     45      	    0.5
101370       	D. grandis          	     45      	    0.5
101368       	D. doddsi           	     45      	    0.5
102972       	H. pacifica         	     45      	    0.5
127994       	Tanypodinae         	     30      	    0.4
127338       	Ceratopogoninae sp. 	     30      	    0.4
125514       	Pericoma sp.        	     30      	    0.4
114164       	Cleptelmis sp.      	     30      	    0.4
115258       	Wormaldia sp.       	     30      	    0.4
121027       	Dicranota sp.       	     30      	    0.4
102615       	V. cataractae       	     15      	    0.2
54512        	Polycelis coronata  	     15      	    0.2
100801       	Acentrella sp.      	     15      	    0.2
102540       	Amphinemura sp.     	     15      	    0.2
82754        	Acarina             	     15      	    0.2
130915       	Glutops sp.         	     15      	    0.2
102914       	Perlidae            	     15      	    0.2
115641       	Hydroptila sp.      	     15      	    0.2
103102       	Skwala sp.          	     15      	    0.2
103121       	Doroneuria sp.      	     15      	    0.2
125392       	Maruina sp.         	     15      	    0.2
114177       	Optioservus sp.     	     15      	    0.2
114205       	Zaitzevia sp.       	     15      	    0.2
115155       	R. Sibirica grp. - n	     15      	    0.2
120094       	Hexatoma sp.        	     15      	    0.2
P760         	R. Verrula grp.     	     15      	    0.2
126774       	Simulium sp.        	     15      	    0.2

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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