Module 4 Stream Invertebrate Survey Interpretation
Byrne Creek, Feb 15, 2015 | Survey ID: 92
A) ABUNDANCE AND DENSITY
ABUNDANCE total number of organisms from Column B: 0
DENSITY invertebrate density per square meter
# of 30cm x 30cm samples:
(total # counted 0) / (# of 30cm x 30cm samples x.09m2 / (Area: 0)) : nan
DENSITY invertebrate density per square meter
# of 30cm x 30cm samples:
(total # counted 0) / (# of 30cm x 30cm samples x.09m2 / (Area: 0)) : nan
B) PREDOMINANT TAXON: Caddisfly, ()
C) WATER QUALITY ASSESSMENTS
POLLUTION TOLERANT INDEX | |||
Good | Acceptable | Marginal | Poor |
greater than 22 | 22 - 17 | 17 -11 | less than 11 |
3 x (# of category 1) = 0
2 x (# of category 2) = 0
(# of category 3) = 0
Pollution Tolerant Index = 0
2 x (# of category 2) = 0
(# of category 3) = 0
Pollution Tolerant Index = 0
EPT INDEX | |||
Good | Acceptable | Marginal | Poor |
greater than 8 | 5 - 8 | 2 - 5 | 0 - 2 |
Total number of EPT taxa from Column C = 0
EPT TO TOTAL RATIO | |||
Good | Acceptable | Marginal | Poor |
0.75 - 1.00 | 0.50 - 0.75 | 0.25 - 0.50 | 0 - 0.25 |
# of EPT 0 / total 0 =
D) DIVERSITY ASSESSMENT
Total Number of Taxa: 0
PREDOMINANT TAXON RATIO | |||
Good | Acceptable | Marginal | Poor |
0 - 0.40 | 0.40 - 0.60 | 0.60 - 0.80 | 0.80 - 1.0 |
PREDOMINANT TAXON RATIO:
/ 0 = nan
/ 0 = nan
SITE ASSESMENT RATING | |||
Good | Acceptable | Marginal | Poor |
4 | 3 | 2 | 1 |
Pollution Tolerance Index: | 1 |
EPT Index: | 1 |
EPT to Total Ratio: | 1 |
Predominant Taxon Ratio: | |
Total: | 0.75 |
Field Data as Collected
Polution Tolerance |
Number Counted | Number of Taxa | Common Name |
Category 1 - Polution Intolerant | Caddisfly | ||
Dobsonfly | |||
Gilled Snail | |||
Mayfly | |||
Riffle Beetle | |||
Stonefly | |||
Water Penny | |||
Sub Total: | 0 | 0 | |
Category 2 - Somewhat Pollution Tolerant | Alderfly larva | ||
Aquatic Beetle | |||
Aquatic Sowbug | |||
Clam, Mussel | |||
Cranefly Larva | |||
Crayfish | |||
Damselfy Larva | |||
Dragonfly Larva | |||
Fishfly Larva | |||
Scud | |||
Watersnipe Larva | |||
Sub Total: | 0 | 0 | |
Category 3 - Pollution Tolerant | Aquatic Worm | ||
Blackfly Larva | |||
Leech | |||
Midge Larva (chironomid) | |||
Planarian | |||
Pouch Snail | |||
Truebug Adult | |||
Water Mite | |||
Sub Total: | 0 | 0 |