Chewack R
| 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. |
| All open canopy. |
| temperature (deg C) | dis o winkler (mg/L) | stream flow (CFS) | pH (pH) | conductivity (umhos/cm) |
|---|---|---|---|---|
| 12.1 | 10.4 | 130.65 | 8. | 129 |
| 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DKICK | riffle | 1 | 19.2 | 1.00 | 0.19 | 0.6 | 0.07 | 0.5 | 37.9 | DKICK | riffle | 2 | 19.8 | 1.00 | 0.19 | 1.3 | 0.20 | 0.5 | 37.9 | DKICK | riffle | 3 | 19.8 | 1.00 | 0.19 | 1.6 | 0.10 | 1.5 | 37.9 | DKICK | riffle | 4 | 19.8 | 1.00 | 0.19 | 2.3 | 0.20 | 1.1 | 37.9 | SURBER | riffle | 5 | 0.09 | SURBER | riffle | 6 | 0.09 | SURBER | riffle | 7 | 0.09 |
| loc no | other | wood | silt clay | sand | fine gravel | coarse gravel | cobble | boulder | bedrock rough | bedrock smooth |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 22% | 22% | 24% | 32% | 2 | 28% | 8% | 34% | 30% | 3 | 10% | 10% | 22% | 34% | 24% | 4 | 12% | 13% | 43% | 26% | 6% |
| RIVPACS (River InVertebrate Prediction and Classification System) is not yet available for sites in Washington east of the Cascades. |
| samp type | loc type | loc no | comment | EPT (%) | ephem (%) | chiron (%) |
|---|---|---|---|---|---|---|
| DKICK | riffle | 0 | numerically composited | 77% | 47% | 6% | SURBER | riffle | 0 | numerically composited | 72% | 49% | 8% | DKICK | riffle | 1 | replicate | 72% | 57% | 4% | DKICK | riffle | 2 | replicate | 72% | 47% | 6% | DKICK | riffle | 3 | replicate | 84% | 35% | 7% | DKICK | riffle | 4 | replicate | 77% | 42% | 5% | SURBER | riffle | 5 | replicate | 77% | 47% | 7% | SURBER | riffle | 6 | replicate | 75% | 48% | 8% | SURBER | riffle | 7 | replicate | 70% | 50% | 8% |
| samp type | loc type | loc no | comment | Trichop richness (count) | total richness (count) | Plecop richness (count) | EPT richness (count) | Ephem richness (count) |
|---|---|---|---|---|---|---|---|---|
| DKICK | riffle | 0 | numerically composited | 10 | 38 | 7 | 28 | 11 | SURBER | riffle | 0 | numerically composited | 10 | 39 | 7 | 27 | 10 | DKICK | riffle | 1 | replicate | 8 | 42 | 7 | 28 | 13 | DKICK | riffle | 2 | replicate | 12 | 42 | 5 | 29 | 12 | DKICK | riffle | 3 | replicate | 5 | 40 | 9 | 27 | 13 | DKICK | riffle | 4 | replicate | 10 | 44 | 8 | 33 | 15 | SURBER | riffle | 5 | replicate | 8 | 37 | 6 | 25 | 11 | SURBER | riffle | 6 | replicate | 9 | 40 | 7 | 27 | 11 | SURBER | riffle | 7 | replicate | 10 | 40 | 8 | 30 | 12 |
| samp type | loc type | loc no | comment | temp pref avg (score) | TV3 richness (count) | HBI (score) | BiTol richness (count) | tv7 (%) | top3 (%) | BiTol (%) |
|---|---|---|---|---|---|---|---|---|---|---|
| DKICK | riffle | 0 | numerically composited | 22 | 3 | 1 | 0% | 35% | 24% | SURBER | riffle | 0 | numerically composited | 23 | 3 | 2 | 3% | 41% | 20% | DKICK | riffle | 1 | replicate | 21 | 3 | 1 | 0% | 45% | 20% | DKICK | riffle | 2 | replicate | 23 | 3 | 3 | 0% | 35% | 25% | DKICK | riffle | 3 | replicate | 22 | 3 | 3 | 0% | 46% | 21% | DKICK | riffle | 4 | replicate | 27 | 3 | 4 | 1% | 40% | 21% | SURBER | riffle | 5 | replicate | 20 | 3 | 3 | 4% | 46% | 18% | SURBER | riffle | 6 | replicate | 21 | 3 | 2 | 3% | 42% | 18% | SURBER | riffle | 7 | replicate | 27 | 3 | 3 | 2% | 43% | 22% |
| samp type | loc type | loc no | comment | sv richness (count) | clinger richness (count) | scrapers (%) | predators (%) | filterers (%) | clingers (%) |
|---|---|---|---|---|---|---|---|---|---|
| DKICK | riffle | 0 | numerically composited | 7 | 17 | 29% | 11% | 11% | 61% | SURBER | riffle | 0 | numerically composited | 6 | 18 | 33% | 7% | 10% | 59% | DKICK | riffle | 1 | replicate | 6 | 15 | 46% | 6% | 2% | 62% | DKICK | riffle | 2 | replicate | 5 | 19 | 30% | 9% | 11% | 61% | DKICK | riffle | 3 | replicate | 10 | 21 | 12% | 21% | 21% | 60% | DKICK | riffle | 4 | replicate | 7 | 19 | 24% | 11% | 16% | 64% | SURBER | riffle | 5 | replicate | 7 | 16 | 30% | 8% | 17% | 65% | SURBER | riffle | 6 | replicate | 7 | 18 | 33% | 9% | 12% | 63% | SURBER | riffle | 7 | replicate | 5 | 18 | 41% | 6% | 6% | 62% |
| habitat type | location no. | sampler type | sample area (m^2) |
|---|---|---|---|
| riffle | 1 | DKICK | 0.19 |
taxon id taxon name density (m^2) % of total ------------------------------------------------------------------ 100572 Rhithrogena sp. 140 18.8 114177 Optioservus sp. 108 14.5 100557 Cinygmula sp. 90 12.1 82754 Acarina 58 7.8 H715 D. grandis/spinifera 49 6.6 100817 B. tricaudatus 42 5.6 116794 Lepidostoma sp. 37 5.0 100996 Ameletus sp. 36 4.8 127917 Chironomidae 29 3.9 101368 D. doddsi 25 3.4 H765 E. inermis/infrequen 22 3.0 115453 Hydropsyche sp. 15 2.0 103273 Sweltsa grp. 12 1.6 568574 A. turbida 8 1.1 101399 S. tibialis 8 1.1 102594 Z. cinctipes 8 1.1 115530 A. grandis 8 1.1 103102 Skwala sp. 7 0.9 102994 Perlodidae 6 0.8 101187 Paraleptophlebia sp. 5 0.7 116912 B. americanus 5 0.7 115165 R. Lieftincki grp. - 4 0.5 102986 C. californica 2 0.3 120094 Hexatoma sp. 2 0.3 127076 Ceratopogonidae 2 0.3 84195 Ostracoda 1 0.1 100626 Epeorus sp. 1 0.1 81388 Pisiidae 1 0.1 59490 Nematoda 1 0.1 121027 Dicranota sp. 1 0.1 101318 Timpanoga hecuba 1 0.1 102643 Capniidae 1 0.1 118840 Tipulidae 1 0.1 111963 Dytiscidae 1 0.1 103202 Chloroperlidae 1 0.1 130929 Atherix sp. 1 0.1 115635 Agraylea sp. 1 0.1 114142 Narpus sp. 1 0.1 116268 D. gilvipes 1 0.1 119660 Antocha monticola 1 0.1 116046 Neophylax sp. 1 0.1 101343 A. margarita 1 0.1
| habitat type | location no. | sampler type | sample area (m^2) |
|---|---|---|---|
| riffle | 2 | DKICK | 0.19 |
taxon id taxon name density (m^2) % of total ------------------------------------------------------------------ 100817 B. tricaudatus 170 12.4 100572 Rhithrogena sp. 164 12.0 114177 Optioservus sp. 148 10.8 115453 Hydropsyche sp. 146 10.7 82754 Acarina 104 7.6 100557 Cinygmula sp. 88 6.4 101368 D. doddsi 84 6.1 127917 Chironomidae 80 5.8 568574 A. turbida 52 3.8 H715 D. grandis/spinifera 50 3.6 115530 A. grandis 50 3.6 116912 B. americanus 30 2.2 116794 Lepidostoma sp. 26 1.9 103273 Sweltsa grp. 20 1.5 102994 Perlodidae 20 1.5 119660 Antocha monticola 16 1.2 130929 Atherix sp. 14 1.0 H765 E. inermis/infrequen 12 0.9 101399 S. tibialis 10 0.7 102594 Z. cinctipes 8 0.6 120094 Hexatoma sp. 8 0.6 117159 Glossosoma sp. 6 0.4 115714 Ochrotrichia sp. 6 0.4 103102 Skwala sp. 6 0.4 53964 Turbellaria 6 0.4 101348 C. hystrix 4 0.3 100626 Epeorus sp. 4 0.3 114167 Heterlimnius sp. 4 0.3 115641 Hydroptila sp. 4 0.3 P638 R. Coloradensis grp. 4 0.3 H705 D. coloradensis/flav 4 0.3 114142 Narpus sp. 2 0.1 115165 R. Lieftincki grp. - 2 0.1 102995 Isoperla sp. 2 0.1 116046 Neophylax sp. 2 0.1 116958 Micrasema sp. 2 0.1 120732 Hesperoconopa sp. 2 0.1 136305 Chelifera sp. 2 0.1 59490 Nematoda 2 0.1 100629 E. albertae 2 0.1 76483 Lymnaeidae 2 0.1 115635 Agraylea sp. 2 0.1
| habitat type | location no. | sampler type | sample area (m^2) |
|---|---|---|---|
| riffle | 3 | DKICK | 0.19 |
taxon id taxon name density (m^2) % of total ------------------------------------------------------------------ 115453 Hydropsyche sp. 176 20.1 100817 B. tricaudatus 131 14.9 115530 A. grandis 88 10.0 101368 D. doddsi 72 8.2 127917 Chironomidae 62 7.1 100572 Rhithrogena sp. 48 5.5 103273 Sweltsa grp. 43 4.9 102594 Z. cinctipes 42 4.8 114177 Optioservus sp. 36 4.1 116912 B. americanus 29 3.3 101399 S. tibialis 12 1.4 H715 D. grandis/spinifera 12 1.4 103102 Skwala sp. 10 1.1 130929 Atherix sp. 10 1.1 102473 P. californica 9 1.0 100629 E. albertae 9 1.0 103121 Doroneuria sp. 8 0.9 568574 A. turbida 8 0.9 120094 Hexatoma sp. 6 0.7 100635 E. grandis 5 0.6 102932 C. sabulosa 5 0.6 102972 H. pacifica 5 0.6 102994 Perlodidae 5 0.6 119660 Antocha monticola 5 0.6 126774 Simulium sp. 5 0.6 114142 Narpus sp. 5 0.6 114164 Cleptelmis sp. 3 0.3 82754 Acarina 3 0.3 H765 E. inermis/infrequen 3 0.3 P610 R. Angelita grp. 2 0.2 114167 Heterlimnius sp. 2 0.2 117159 Glossosoma sp. 2 0.2 118840 Tipulidae 2 0.2 100557 Cinygmula sp. 2 0.2 102995 Isoperla sp. 2 0.2 100996 Ameletus sp. 2 0.2 127076 Ceratopogonidae 2 0.2 68422 Oligochaeta 2 0.2 100626 Epeorus sp. 2 0.2 101187 Paraleptophlebia sp. 2 0.2
| habitat type | location no. | sampler type | sample area (m^2) |
|---|---|---|---|
| riffle | 4 | DKICK | 0.19 |
taxon id taxon name density (m^2) % of total ------------------------------------------------------------------ 115453 Hydropsyche sp. 120 15.6 100572 Rhithrogena sp. 96 12.5 100817 B. tricaudatus 92 11.9 116912 B. americanus 62 8.0 114177 Optioservus sp. 60 7.8 115530 A. grandis 43 5.6 82754 Acarina 40 5.2 101368 D. doddsi 38 4.9 127917 Chironomidae 37 4.8 H715 D. grandis/spinifera 19 2.5 568574 A. turbida 19 2.5 101399 S. tibialis 15 1.9 100557 Cinygmula sp. 11 1.4 H765 E. inermis/infrequen 11 1.4 103102 Skwala sp. 8 1.0 130929 Atherix sp. 8 1.0 68422 Oligochaeta 8 1.0 120094 Hexatoma sp. 7 0.9 103273 Sweltsa grp. 7 0.9 119660 Antocha monticola 6 0.8 100629 E. albertae 4 0.5 100996 Ameletus sp. 4 0.5 126774 Simulium sp. 4 0.5 102972 H. pacifica 3 0.4 53964 Turbellaria 3 0.4 100626 Epeorus sp. 3 0.4 100637 E. longimanus 3 0.4 102473 P. californica 3 0.4 102594 Z. cinctipes 3 0.4 102994 Perlodidae 3 0.4 114142 Narpus sp. 3 0.4 115635 Agraylea sp. 3 0.4 115973 P. sierra 3 0.4 102995 Isoperla sp. 2 0.3 118840 Tipulidae 2 0.3 117159 Glossosoma sp. 2 0.3 101318 Timpanoga hecuba 2 0.3 101187 Paraleptophlebia sp. 2 0.3 P610 R. Angelita grp. 2 0.3 116958 Micrasema sp. 2 0.3 100635 E. grandis 2 0.3 116268 D. gilvipes 2 0.3 116794 Lepidostoma sp. 2 0.3 102510 Yoraperla sp. 2 0.3
| habitat type | location no. | sampler type | sample area (m^2) |
|---|---|---|---|
| riffle | 5 | SURBER | 0.09 |
taxon id taxon name density (m^2) % of total ------------------------------------------------------------------ 100572 Rhithrogena sp. 77 19.4 115453 Hydropsyche sp. 66 16.7 100817 B. tricaudatus 41 10.4 101368 D. doddsi 30 7.6 114177 Optioservus sp. 27 6.8 127917 Chironomidae 27 6.8 68422 Oligochaeta 15 3.8 82754 Acarina 14 3.5 115530 A. grandis 13 3.3 116912 B. americanus 10 2.5 100801 Acentrella sp. 9 2.3 H715 D. grandis/spinifera 9 2.3 116794 Lepidostoma sp. 8 2.0 100557 Cinygmula sp. 6 1.5 103273 Sweltsa grp. 5 1.3 102994 Perlodidae 5 1.3 H765 E. inermis/infrequen 4 1.0 100635 E. grandis 4 1.0 101399 S. tibialis 4 1.0 102594 Z. cinctipes 2 0.5 103102 Skwala sp. 2 0.5 115635 Agraylea sp. 2 0.5 114142 Narpus sp. 2 0.5 116046 Neophylax sp. 1 0.3 136305 Chelifera sp. 1 0.3 127338 Ceratopogoninae sp. 1 0.3 100637 E. longimanus 1 0.3 120094 Hexatoma sp. 1 0.3 119660 Antocha monticola 1 0.3 111963 Dytiscidae 1 0.3 117159 Glossosoma sp. 1 0.3 102972 H. pacifica 1 0.3 P638 R. Coloradensis grp. 1 0.3 102995 Isoperla sp. 1 0.3 130929 Atherix sp. 1 0.3 114205 Zaitzevia sp. 1 0.3 101348 C. hystrix 1 0.3
| habitat type | location no. | sampler type | sample area (m^2) |
|---|---|---|---|
| riffle | 6 | SURBER | 0.09 |
taxon id taxon name density (m^2) % of total ------------------------------------------------------------------ 100572 Rhithrogena sp. 117 20.0 115453 Hydropsyche sp. 70 11.9 100817 B. tricaudatus 59 10.1 127917 Chironomidae 44 7.5 114177 Optioservus sp. 42 7.2 101368 D. doddsi 29 4.9 115530 A. grandis 29 4.9 82754 Acarina 19 3.2 100801 Acentrella sp. 19 3.2 116912 B. americanus 16 2.7 H765 E. inermis/infrequen 16 2.7 100557 Cinygmula sp. 15 2.6 119660 Antocha monticola 13 2.2 H715 D. grandis/spinifera 11 1.9 116794 Lepidostoma sp. 11 1.9 68422 Oligochaeta 10 1.7 117159 Glossosoma sp. 9 1.5 103273 Sweltsa grp. 6 1.0 100635 E. grandis 6 1.0 103102 Skwala sp. 5 0.9 101399 S. tibialis 5 0.9 115635 Agraylea sp. 5 0.9 102594 Z. cinctipes 3 0.5 102994 Perlodidae 3 0.5 130929 Atherix sp. 3 0.5 59490 Nematoda 3 0.5 114142 Narpus sp. 2 0.3 53964 Turbellaria 2 0.3 120094 Hexatoma sp. 2 0.3 126774 Simulium sp. 2 0.3 102995 Isoperla sp. 1 0.2 102986 C. californica 1 0.2 102473 P. californica 1 0.2 116046 Neophylax sp. 1 0.2 116054 N. rickeri 1 0.2 101187 Paraleptophlebia sp. 1 0.2 116268 D. gilvipes 1 0.2 125514 Pericoma sp. 1 0.2 100629 E. albertae 1 0.2 114164 Cleptelmis sp. 1 0.2
| habitat type | location no. | sampler type | sample area (m^2) |
|---|---|---|---|
| riffle | 7 | SURBER | 0.09 |
taxon id taxon name density (m^2) % of total ------------------------------------------------------------------ 100572 Rhithrogena sp. 128 21.2 100817 B. tricaudatus 66 10.9 114177 Optioservus sp. 65 10.7 127917 Chironomidae 47 7.8 82754 Acarina 43 7.1 115453 Hydropsyche sp. 34 5.6 101368 D. doddsi 29 4.8 100557 Cinygmula sp. 28 4.6 117159 Glossosoma sp. 24 4.0 100801 Acentrella sp. 13 2.1 101399 S. tibialis 13 2.1 115530 A. grandis 11 1.8 68422 Oligochaeta 10 1.7 H715 D. grandis/spinifera 10 1.7 119660 Antocha monticola 10 1.7 116794 Lepidostoma sp. 10 1.7 103273 Sweltsa grp. 9 1.5 H765 E. inermis/infrequen 9 1.5 116912 B. americanus 7 1.2 103102 Skwala sp. 5 0.8 102994 Perlodidae 4 0.7 102473 P. californica 3 0.5 102594 Z. cinctipes 3 0.5 120094 Hexatoma sp. 3 0.5 100996 Ameletus sp. 3 0.5 59490 Nematoda 2 0.3 115165 R. Lieftincki grp. - 2 0.3 126774 Simulium sp. 2 0.3 53964 Turbellaria 1 0.2 100629 E. albertae 1 0.2 100635 E. grandis 1 0.2 101348 C. hystrix 1 0.2 102995 Isoperla sp. 1 0.2 116268 D. gilvipes 1 0.2 81388 Pisiidae 1 0.2 102643 Capniidae 1 0.2 102972 H. pacifica 1 0.2 116054 N. rickeri 1 0.2 P610 R. Angelita grp. 1 0.2 116958 Micrasema sp. 1 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.
Washington State Department of Ecology