Visit for 2023, Bear Creek (Sammamish River) , Site "5303361"

Sampling Agency:

Sno-King Watershed Council

Project:

Sno-King Benthic Monitoring

Date Released:

9/11/2024

Taxonomic Effort:

Fine

Samples Taken:

Organisms Counted:

618

Sampling Date:

8/25/2023

Site Code:

5303361

Location:

47.682914°, -122.092689°
Bear Creek (Sammamish River) Bear Creek Subbasin Sammamish River Basin WRIA 8 - Cedar-Sammamish

Score Type

Taxonomic Resolution

Taxa Mapping

Taxa Attributes

Samples

5303361_BearCreekFriendlyVillage_2023 (618 counted)

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Metric Details

Taxonomic Composition

Visit Details

Metric

Sample
5303361_BearCreekFriendlyVillage_2023
Quantities

Scores

Taxa Richness

5.9

Ephemeroptera Richness

8.6

Plecoptera Richness

4.3

Trichoptera Richness

10.0

EPT Richness

n/a

Clinger Richness

10.0

Long-Lived Richness

5.0

Intolerant Richness

1.4

Percent Dominant

64.0

1.4

Predator Percent

5.8

2.4

Tolerant Percent

19.2

5.5

Number of Organisms

500

n/a

Overall Score (B-IBI)

54.4

Fair

Sample 1 of 1

Sample Code:	5303361_BearCreekFriendlyVillage_2023
Sample ID:	19131
QC Replicate?	No

Surface Area:	8.00 ft2
Composite?	8 Collections
Sub-sampling by Lab:	0.75/30

Classification	Taxon
Subclass: Oligochaeta	Oligochaeta	66	52		Yes	No	No	No	No	No	No	3	No		5
Subclass: Acari	Acari	23	17		Yes	No	No	No	No	No	No		No
Order: Decapoda	Pacifastacus	2	1	adult	Yes	No	No	Yes	No	No	No		No		6	3
Order: Amphipoda	Crangonyx	7	4		Yes	No	No	No	Yes	No	No		No		4
Order: Coleoptera	Dytiscidae	2	2	adult	Yes	No	Yes	No	No	No	No		No
Order: Coleoptera	Hydrovatus	5	4	adult	Ignored	No	Yes	No	No	No	No		No
Order: Coleoptera	Hydrovatus	2	2	larva	Ignored	No	Yes	No	No	No	No		No
Order: Coleoptera	Haliplidae	2	2	larva	Yes	No	No	No	No	No	No		No		7
Order: Coleoptera	Cleptelmis	7	5	adult	Yes	No	No	Yes	No	No	Yes		No		4
Order: Coleoptera	Heterlimnius	5	5	larva	Yes	No	No	Yes	No	No	Yes		No	5	4
Order: Coleoptera	Optioservus	20	17	larva	Yes	No	No	Yes	No	No	Yes		No		4	5
Order: Coleoptera	Optioservus	4	3	adult	Ignored	No	No	Yes	No	No	Yes		No		4	5
Order: Coleoptera	Zaitzevia	15	12	larva	Yes	No	No	Yes	No	No	Yes		No		4
Order: Coleoptera	Zaitzevia	1	1	adult	Ignored	No	No	Yes	No	No	Yes		No		4
Order: Diptera	Empididae	4	3	pupa	Yes	No	Yes	No	No	No	Yes		No		6
Order: Diptera	Hemerodromia	12	8	larva	Yes	No	Yes	No	No	No	Yes		No		6	4
Order: Diptera	Chironomidae	219	174	larva	Yes	No	No	No	No	No	No	1	No		6
Order: Diptera	Chironomidae	8	6	pupa	Ignored	No	No	No	No	No	No	1	No		6
Order: Diptera	Simulium	5	4	larva	Yes	No	No	No	Yes	No	Yes		No		6	6
Order: Diptera	Antocha	24	22	larva	Yes	No	No	No	No	No	Yes		No	5	3	4
Order: Diptera	Antocha	2	2	pupa	Ignored	No	No	No	No	No	Yes		No	5	3	4
Order: Diptera	Dicranota	2	1	larva	Yes	No	Yes	No	No	No	No		No		3	2
Order: Plecoptera	Malenka	2	1	larva	Yes	No	No	No	No	No	No		No		2	1
Order: Plecoptera	Zapada cinctipes	3	2	larva	Yes	No	No	No	No	No	No		No		2	3
Order: Plecoptera	Isoperla	1	1	larva	Yes	No	Yes	No	No	No	Yes		No		2
Order: Plecoptera	Skwala	2	2	larva	Yes	No	Yes	No	No	No	Yes		No		2	3
Order: Trichoptera	Glossosoma	2	2	larva	Yes	No	No	No	No	No	Yes		No	10	0	2
Order: Trichoptera	Glossosoma	1	1	pupa	Ignored	No	No	No	No	No	Yes		No	10	0	2
Order: Trichoptera	Hydropsychidae	2	2	pupa	Yes	No	No	No	No	No	Yes		No		4
Order: Trichoptera	Cheumatopsyche	2	2	larva	Yes	No	No	No	No	No	Yes		No		5	5
Order: Trichoptera	Hydropsyche	4	1	larva	Yes	No	No	No	No	No	Yes		No		4	5
Order: Trichoptera	Hydroptila	82	70	larva	Yes	No	No	No	Yes	No	Yes	2	No			4
Order: Trichoptera	Hydroptila	22	18	pupa	Ignored	No	No	No	Yes	No	Yes	2	No			4
Order: Trichoptera	Micrasema	15	14	larva	Yes	No	No	No	No	No	Yes		No		1
Order: Trichoptera	Dicosmoecus	2	2	larva	Yes	No	No	No	No	No	Yes		No	10	1	1
Order: Trichoptera	Onocosmoecus	1	1	larva	Yes	No	No	No	No	No	No		No		4
Order: Trichoptera	Wormaldia	3	3	larva	Yes	No	No	No	No	No	Yes		No		3	1
Order: Trichoptera	Rhyacophila	2	2	pupa	Yes	No	Yes	No	No	No	Yes		No		0
Order: Trichoptera	Rhyacophila arnaudi	2	1	larva	Yes	No	Yes	No	No	Yes	Yes		No		0
Order: Trichoptera	Rhyacophila brunnea	3	2	larva	Ignored	No	Yes	No	No	No	Yes		No		0
Order: Ephemeroptera	Paraleptophlebia bicornuta	1	1	larva	Yes	No	No	No	No	No	No		No	10	4	1
Order: Ephemeroptera	Ephemerella	1	1	larva	Yes	No	No	No	No	No	Yes		No		1
Order: Ephemeroptera	Tricorythodes	6	5	larva	Yes	No	No	No	No	No	No		No		5
Order: Ephemeroptera	Anafroptilum	3	2	larva	Yes	No	No	No	No	No	Yes		No
Order: Ephemeroptera	Baetis tricaudatus	6	5	larva	Yes	No	No	No	No	No	Yes		No		5	5
Order: Ephemeroptera	Diphetor hageni	4	3	larva	Yes	No	No	No	No	No	Yes		No		5	1
Order: Ephemeroptera	Cinygma	1	1	larva	Yes	No	No	No	No	No	Yes		No		4
Order: Basommatophora	Helisoma	2	2		Yes	No	No	No	No	No	No		No		7
Order: Neotaenioglossa	Caecidae	2	2		Yes	No	No	No	No	No	No		No		7
Order: Neotaenioglossa	Potamopyrgus antipodarum	1	1	adult	Yes	No	No	Yes	No	No	No		No		8
Phylum: Nematoda	Nematoda	1	1		Yes	No	No	No	No	No	No		No
Order: Hoplonemertea	Prostoma	1	1		Yes	No	Yes	No	No	No	No		No		8
Class: Trepaxonemata	Trepaxonemata	1	1		Yes	No	No	No	No	No	No		No
	Total:	618	500		44	0%	6%	9%	19%	0.32%	42%	320	0%

Site ID:	3357 Elevation:2343'
Site Code:	5303361
City, County, State:	Redmond, King County, WA

Visit ID:	13647
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