Covington Cr
| 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. |
| 1. Coldwater taxa present including Parapsyche sp.; 2. Abundant woody debris overlying the stream. |
| temperature (deg C) | dis o winkler (mg/L) | stream flow (CFS) | pH (pH) | conductivity (umhos/cm) |
|---|---|---|---|---|
| 12. | 10.2 | 5.31 | 7.8 | 126 |
| 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 | 8.8 | 1.50 | 1.00 | 0.7 | 0.08 | 0.87 | 0.1 | 10.0 | DKICK | riffle | 2 | 8.9 | 1.50 | 1.00 | 1.2 | 0.19 | 1.00 | 0.7 | 10.2 | DKICK | riffle | 3 | 1.00 | 0.68 | DKICK | riffle | 4 | 9.6 | 2.00 | 1.00 | 1.0 | 0.07 | 0.54 | 0.8 | 12.7 |
| loc no | other | wood | silt clay | sand | fine gravel | coarse gravel | cobble | boulder | bedrock rough | bedrock smooth |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 20% | 10% | 32% | 16% | 22% | 2 | 18% | 14% | 24% | 40% | 4% | 3 | 2% | 36% | 36% | 20% | 6% | 4 | 14% | 36% | 46% | 4% |
|
RIVPACS (River InVertebrate Prediction and Classification System) is a model that predicts probabilities of aquatic invertebrates occurring in streams in Western Washington. The number of observed taxa (O) at a test site is divided by the expected taxa (E), yielding a ratio. A ratio of 1 indicates that all expected taxa are present. As a site becomes more degraded, fewer expected taxa are observed, yielding a smaller ratio. We are 90% confident that a ratio smaller than 0.86 is degraded relative to a reference condition. RIVPACS score for this visit: 1.21 |
| samp type | loc type | loc no | comment | EPT (%) | ephem (%) | chiron (%) |
|---|---|---|---|---|---|---|
| DKICK | riffle | 0 | field composited | 69% | 20% | 13% |
| 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 | field composited | 9 (5) | 32 (5) | 5 (3) | 22 | 8 (5) |
Note: numbers in parentheses shows contribution to IBI score: 1 - poor; 3 - medium; 5 - good;
| 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 | field composited | 15 (5) | 3 (5) | 2 | 10% | 49% | 8% (5) |
Note: numbers in parentheses shows contribution to IBI score: 1 - poor; 3 - medium; 5 - good;
| samp type | loc type | loc no | comment | sv richness (count) | clinger richness (count) | scrapers (%) | predators (%) | filterers (%) | clingers (%) |
|---|---|---|---|---|---|---|---|---|---|
| DKICK | riffle | 0 | field composited | 6 (5) | 16 (5) | 34% | 5% | 12% | 55% (5) |
Note: numbers in parentheses shows contribution to IBI score: 1 - poor; 3 - medium; 5 - good;
| habitat type | location no. | sampler type | sample area (m^2) |
|---|---|---|---|
| riffle | (composite sample) | DKICK | 0.75 |
taxon id taxon name density (m^2) % of total ------------------------------------------------------------------ 117159 Glossosoma sp. 1220 24.4 127917 Chironomidae 670 13.4 115453 Hydropsyche sp. 560 11.2 68422 Oligochaeta 520 10.4 100817 B. tricaudatus 420 8.4 102594 Z. cinctipes 310 6.2 100572 Rhithrogena sp. 290 5.8 114167 Heterlimnius sp. 160 3.2 100635 E. grandis 130 2.6 101368 D. doddsi 100 2.0 103273 Sweltsa grp. 80 1.6 125514 Pericoma sp. 60 1.2 116912 B. americanus 50 1.0 114142 Narpus sp. 50 1.0 102972 H. pacifica 50 1.0 102986 C. californica 40 0.8 568598 D. hageni 40 0.8 115530 A. grandis 40 0.8 126774 Simulium sp. 30 0.6 P622 R. Betteni grp. 20 0.4 82754 Acarina 20 0.4 115258 Wormaldia sp. 20 0.4 136305 Chelifera sp. 20 0.4 119660 Antocha monticola 20 0.4 117121 Agapetus sp. 10 0.2 103305 Plumiperla sp. 10 0.2 53964 Turbellaria 10 0.2 116046 Neophylax sp. 10 0.2 100666 Ironodes sp. 10 0.2 P630 R. Brunnea grp. 10 0.2 100557 Cinygmula sp. 10 0.2 101399 S. tibialis 10 0.2
Covington Cr
| 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. |
| temperature (deg C) | dis o winkler (mg/L) | stream flow (CFS) | pH (pH) | conductivity (umhos/cm) |
|---|---|---|---|---|
| 11. | 10.8 | 3.63 | 8. | 108 |
| 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 | 4.8 | 2.50 | 1.00 | 3.1 | 0.07 | 0.96 | 3.2 | 16.2 | DKICK | riffle | 2 | 6.0 | 2.00 | 1.00 | 0.8 | 0.20 | 1.00 | 1.6 | 10.3 | DKICK | riffle | 3 | 6.1 | 2.00 | 1.00 | 2.7 | 0.08 | 0.49 | 2.2 | 11.6 | DKICK | riffle | 4 | 11.2 | 1.00 | 1.00 | 2.5 | 0.05 | 0.41 | 2.5 | 15.1 |
| loc no | other | wood | silt clay | sand | fine gravel | coarse gravel | cobble | boulder | bedrock rough | bedrock smooth |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 10% | 56% | 34% | 2 | 4% | 20% | 60% | 16% | 3 | 26% | 42% | 32% | 4 | 6% | 2% | 24% | 68% |
|
RIVPACS (River InVertebrate Prediction and Classification System) is a model that predicts probabilities of aquatic invertebrates occurring in streams in Western Washington. The number of observed taxa (O) at a test site is divided by the expected taxa (E), yielding a ratio. A ratio of 1 indicates that all expected taxa are present. As a site becomes more degraded, fewer expected taxa are observed, yielding a smaller ratio. We are 90% confident that a ratio smaller than 0.86 is degraded relative to a reference condition. RIVPACS score for this visit: 1.21 |
| samp type | loc type | loc no | comment | EPT (%) | ephem (%) | chiron (%) |
|---|---|---|---|---|---|---|
| DKICK | riffle | 0 | field composited | 60% | 28% | 15% |
| 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 | field composited | 8 (5) | 34 (5) | 8 (5) | 23 | 7 (5) |
Note: numbers in parentheses shows contribution to IBI score: 1 - poor; 3 - medium; 5 - good;
| 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 | field composited | 14 (5) | 4 (5) | 1 | 9% | 35% | 1% (5) |
Note: numbers in parentheses shows contribution to IBI score: 1 - poor; 3 - medium; 5 - good;
| samp type | loc type | loc no | comment | sv richness (count) | clinger richness (count) | scrapers (%) | predators (%) | filterers (%) | clingers (%) |
|---|---|---|---|---|---|---|---|---|---|
| DKICK | riffle | 0 | field composited | 9 (5) | 18 (5) | 28% | 8% | 17% | 55% (5) |
Note: numbers in parentheses shows contribution to IBI score: 1 - poor; 3 - medium; 5 - good;
| habitat type | location no. | sampler type | sample area (m^2) |
|---|---|---|---|
| riffle | (composite sample) | DKICK | 0.75 |
taxon id taxon name density (m^2) % of total ------------------------------------------------------------------ 117159 Glossosoma sp. 925 12.8 128457 Orthocladiinae sp. 839 11.6 126774 Simulium sp. 774 10.7 100800 Baetis sp. 754 10.4 100504 Heptageniidae 753 10.4 68422 Oligochaeta 562 7.8 115453 Hydropsyche sp. 280 3.9 101368 D. doddsi 237 3.3 129228 Chironominae sp. 237 3.3 103273 Sweltsa grp. 215 3.0 116906 Brachycentrus sp. 199 2.8 100572 Rhithrogena sp. 194 2.7 102591 Zapada sp. 151 2.1 82754 Acarina 129 1.8 114142 Narpus sp. 109 1.5 126640 Simuliidae 108 1.5 102914 Perlidae 108 1.5 102972 H. pacifica 89 1.2 115097 Rhyacophila sp. 69 1.0 100626 Epeorus sp. 65 0.9 102985 Calineuria sp. 65 0.9 102471 Pteronarcys sp. 43 0.6 100666 Ironodes sp. 43 0.6 102467 Plecoptera 43 0.6 114177 Optioservus sp. 43 0.6 115398 Hydropsychidae 43 0.6 127917 Chironomidae 43 0.6 115529 Arctopsyche sp. 26 0.4 115095 Trichoptera 22 0.3 119660 Antocha monticola 22 0.3 100557 Cinygmula sp. 22 0.3 114167 Heterlimnius sp. 22 0.3 103102 Skwala sp. 1 0.0 116046 Neophylax sp. 1 0.0
Covington Cr
| 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. |
| organic leaf litter in "pocket water"; fallen large woody debris causes widening of the stream channel. |
| temperature (deg C) | dis o winkler (mg/L) | stream flow (CFS) | pH (pH) | conductivity (umhos/cm) |
|---|---|---|---|---|
| 9.7 | 10.9 | 3. | 8.1 | 135 |
| 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 | 4.4 | 3.50 | 0.75 | 0.6 | 0.19 | 0.91 | 7.3 |
| loc no | other | wood | silt clay | sand | fine gravel | coarse gravel | cobble | boulder | bedrock rough | bedrock smooth |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 14% | 12% | 56% | 18% |
|
RIVPACS (River InVertebrate Prediction and Classification System) is a model that predicts probabilities of aquatic invertebrates occurring in streams in Western Washington. The number of observed taxa (O) at a test site is divided by the expected taxa (E), yielding a ratio. A ratio of 1 indicates that all expected taxa are present. As a site becomes more degraded, fewer expected taxa are observed, yielding a smaller ratio. We are 90% confident that a ratio smaller than 0.86 is degraded relative to a reference condition. RIVPACS score for this visit: 1.20 |
| samp type | loc type | loc no | comment | EPT (%) | ephem (%) | chiron (%) |
|---|---|---|---|---|---|---|
| DKICK | riffle | 0 | field composited | 71% | 43% | 2% |
| 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 | field composited | 6 (3) | 36 (5) | 6 (5) | 24 | 12 (5) |
Note: numbers in parentheses shows contribution to IBI score: 1 - poor; 3 - medium; 5 - good;
| 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 | field composited | 16 (5) | 4 (5) | 4 | 11% | 32% | 15% (5) |
Note: numbers in parentheses shows contribution to IBI score: 1 - poor; 3 - medium; 5 - good;
| samp type | loc type | loc no | comment | sv richness (count) | clinger richness (count) | scrapers (%) | predators (%) | filterers (%) | clingers (%) |
|---|---|---|---|---|---|---|---|---|---|
| DKICK | riffle | 0 | field composited | 7 (5) | 16 (5) | 23% | 8% | 14% | 46% (5) |
Note: numbers in parentheses shows contribution to IBI score: 1 - poor; 3 - medium; 5 - good;
| habitat type | location no. | sampler type | sample area (m^2) |
|---|---|---|---|
| riffle | (composite sample) | DKICK | 0.75 |
taxon id taxon name density (m^2) % of total ------------------------------------------------------------------ 100817 B. tricaudatus 77 16.5 68422 Oligochaeta 65 13.9 100557 Cinygmula sp. 56 12.0 100583 R. hageni 50 10.7 115453 Hydropsyche sp. 46 9.9 102594 Z. cinctipes 33 7.1 128457 Orthocladiinae sp. 13 2.8 102972 H. pacifica 12 2.6 101368 D. doddsi 11 2.4 115273 Chimarra sp. 10 2.1 114169 H. corpulentus 10 2.1 103273 Sweltsa grp. 9 1.9 102986 C. californica 6 1.3 117159 Glossosoma sp. 6 1.3 100637 E. longimanus 6 1.3 59490 Nematoda 6 1.3 101226 P. temporalis 6 1.3 125514 Pericoma sp. 5 1.1 100635 E. grandis 4 0.9 101399 S. tibialis 4 0.9 568598 D. hageni 4 0.9 115098 R. acropedes 4 0.9 126703 Prosimulium sp. 3 0.6 115530 A. grandis 3 0.6 114180 O. quadrimaculatus 2 0.4 101348 C. hystrix 2 0.4 102473 P. californica 2 0.4 116912 B. americanus 2 0.4 119660 Antocha monticola 1 0.2 102688 Capnia sp. 1 0.2 126795 S. canadense 1 0.2 100823 B. bicaudatus 1 0.2 126892 S. venustum 1 0.2 130932 A. variegata 1 0.2 54502 Planariidae 1 0.2 82754 Acarina 1 0.2 101343 A. margarita 1 0.2
| habitat type | location no. | sampler type | sample area (m^2) |
|---|---|---|---|
| pool | (composite sample) | DKICK | 0.75 |
taxon id taxon name density (m^2) % of total ------------------------------------------------------------------ 100817 B. tricaudatus 80 10.6 127113 Atrichopogon sp. 67 8.9 68422 Oligochaeta 65 8.6 100557 Cinygmula sp. 59 7.8 64357 Annelida 58 7.7 100583 R. hageni 50 6.6 115453 Hydropsyche sp. 49 6.5 102594 Z. cinctipes 46 6.1 114169 H. corpulentus 35 4.6 101399 S. tibialis 33 4.4 125514 Pericoma sp. 16 2.1 103273 Sweltsa grp. 16 2.1 101368 D. doddsi 15 2.0 101214 P. memorialis 13 1.7 128457 Orthocladiinae sp. 13 1.7 102972 H. pacifica 12 1.6 115273 Chimarra sp. 10 1.3 114180 O. quadrimaculatus 10 1.3 59490 Nematoda 8 1.1 82754 Acarina 6 0.8 117159 Glossosoma sp. 6 0.8 125786 Ptychoptera sp. 6 0.8 100637 E. longimanus 6 0.8 101226 P. temporalis 6 0.8 102986 C. californica 6 0.8 114144 N. concolor 5 0.7 115998 H. hesperus 5 0.7 115098 R. acropedes 4 0.5 100635 E. grandis 4 0.5 568598 D. hageni 4 0.5 126703 Prosimulium sp. 3 0.4 115530 A. grandis 3 0.4 136327 Hemerodromia 3 0.4 102473 P. californica 3 0.4 101348 C. hystrix 2 0.3 115155 R. Sibirica grp. - n 2 0.3 101343 A. margarita 2 0.3 102752 Utacapnia sp. 2 0.3 94026 Hyalella azteca 2 0.3 116912 B. americanus 2 0.3 100670 I. nitidus 1 0.1 79119 Pelecypoda 1 0.1 100996 Ameletus sp. 1 0.1 101193 P. debilis 1 0.1 54502 Planariidae 1 0.1 P690 R. Nevadensis grp. 1 0.1 100823 B. bicaudatus 1 0.1 126892 S. venustum 1 0.1 P760 R. Verrula grp. 1 0.1 126795 S. canadense 1 0.1 102596 Z. columbiana 1 0.1 102688 Capnia sp. 1 0.1 125392 Maruina sp. 1 0.1 103102 Skwala sp. 1 0.1 119660 Antocha monticola 1 0.1 114139 L. avara 1 0.1 116794 Lepidostoma sp. 1 0.1 130932 A. variegata 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.
Washington State Department of Ecology