Seeley Creek #1

July 9, 1998; 10:40 a.m.; Sunny, 80 F

Tests

Dissolved Oxygen9 mg/L
Nitrate2.2 mg/L
pH8.0
Turbidity7 NTU
Velocity.416 m/sec
Temperature21 C

Habitat Assessment

DescriptionCreek surrounded by cow grazing areas; near farm. A dam is upstream.
Width4.3 meters
Water AppearanceClear
OdorNone
Attachment Sites 14/20Riffle is as wide as stream but length is less than 2 times width; cobble less abundant; boulders and gravel common.
Embeddedness4/20Fine sediment surrounds and fills in more than 75% of the living spaces around and in between the gravel, cobble, and boulders.
Shelter For Fish10/20Snags, submerged logs, undercut banks, cobble and large rocks, or other stable habitat are found in over 30% of the site.
Channel Alteration10/20Artificial embankments present to some extent on both banks; and 40 to 80% of stream site straightened, dredged, or otherwise altered.
Sediment Deposition12/20Some new increase in bar formation, mostly from coarse gravel; 5-30% of the bottom affected; slight deposition in pools.
Channel Flow Status16/20Water reaches base of both lower banks and minimal amount of channel substrate is exposed.
Bank Vegetative ProtectionLEFT:4/10; RIGHT:4/1050-70% of the streambank surfaces covered by vegetation; patches of bare soil or closely cropped vegetation common; less than one-half of the potential plant stubble height remaining.
Condition of BanksLEFT:6/10; RIGHT:7/10Moderately stable; infrequent, small areas of erosion mostly healed over.
Riparian Vegetative Zone WidthLEFT:0/10; RIGHT:0/10Width of Riparian Zone is less than 20 feet.

Macroinvertebrate Count

order

Sample One

Sample Two

Sample Three

Total
Trichoptera3618256
Odonta2002
Decapoda1001
Gastropoda1304
Pelecypoda313016
Amphipoda262432
Ephemeroptera30811
Diptera1111224
Coleoptera103536
Hirurdinearae0314
Plecoptera0011

TOTAL

505483187


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