Buck Creek

Little Rio Grande Creek

Figure 1. Buck Creek (an urban stream) located in Grandville, Michigan and the Little Rio Grande (a rural stream) located in Muskegon, MI.

Water P

enny

Mayfly

Stonefl

y

Case Buil

ding Cad

disfly

Sc

ud

Cranefl

y

Crayfis

h

Sowbu

g

Beetle

Larva

Non-C

ase Buil

ding C

addis

fly

Freshw

ater C

lam

Midge L

arva

Watersn

ipe

Dragon

fly

midgefly

0

5

10

15

20

25

30

RifflePool

Macroinvertebrate species

Rel

ativ

e Fr

eque

ncy

(RF)

Figure 2. Relative frequency for macroinvertebrates from the riffles Little Rio Grande Creek (rural river), October 2012.

Mayfly

Case Buil

ding Cad

disfly

Sc

ud

Crayfis

h

Sowbu

g

Non-C

ase Buil

ding C

addis

fly

Damsel

fly Nymph

Midge L

arva

Dragon

fly

Watersc

orpion

Isopo

d

Bivalve

0

5

10

15

20

25

Riffle Pool

Macroinvertebrate species

Rel

ativ

e Fr

eque

ncy

(RF)

Figure 3. Relative frequency for macroinvertebrates from the riffles Little Rio Grande Creek (rural river), October 2012.

Table 1. Macroinvertebrate species (indicator #) sampled from an urban and rural stream in

western MI in October 2011 and November 2011.

Little Rio Grande in Muskegon, MI (rural) Buck Creek in Grandville, MI (urban)Water Penny Psephenidae (1) Mayfly Ephemeridae (1)Mayfly Ephemeridae (1) Case Building Caddisfly Hydropsychidae (1)Stonefly Perlidae (1) Non-Case Building Caddisfly Limnephilidae

(2)Case Building Caddisfly Hydropsychidae (1) Scud Amphipoda (2)Scud Amphipoda (2) Cranefly Tipulidae (2)Cranefly Tipulidae (2) Freshwater Clam Chionidae (2)Crayfish Decapoda (2) Dugesia Dugesia tigrina (?)Sowbug Isopoda (2) Dragonfly Anisoperta (2)Beetle Larva Elimidae (2) Sow Bug Isopoda (2)Non-Case Building Caddisfly Limnephilidae (2)

Midgefly Larva Chironomidae (2)

Damselfly Nymph Coenagrionidae (2)Freshwater Clam Chiondae (2)Bloodworm Glycera dibranchiata Watersnipe Arthericidae Leech Hinurdinea Dugesia Dugesia tigrina

Table 2. Mean and standard deviation of the total number of macroinvertebrate individuals at recorded pollution tolerance levels sampled from an urban and rural stream in western Mi in October 2012.

Little Rio Grande in

Muskegon County,

MI (rural)

Buck Creek in Grandville,

MI (urban)

Indicator Group I (Pollution

Intolerant)

10.75±7.37 17.00±16.87

Indicator Group II (Somewhat

Intolerant)

23.25±12.53 17.00±14.07

Indicator Group III (Pollution

Tolerant)

7.50±7.72 0.25±0.50

Table 3. Physical characteristics taken from an urban and rural stream in western MI in October

2012.

  Buck Creek (urban) Little Rio Grande (rural)

Water Appearance Clear Muddy

Odor None None

% Coverage 30-70% >70%

% Shade 20-49% 20-49%

% Erosion 20-49%   50-80%    

Table 4. Mean and Standard Deviation of the quantitative physical measurements taken from an

urban and rural stream in western MI in October 2012.

 Buck Creek

(Urban)

Little Rio Grande (Rural)  

Temperature ( C)⁰ 7.842±0.05113.088±0.03

1

Dissolved Oxygen (mg/l)10.856±1.21

0 9.338±0.201

pH 7.700±0.758 7.813±0.035

Width (m) 5.464±2.297 5.838±2.638

Depth (m) 0.324±0.168 0.378±0.221

Velocity (m/s) 0.638±0.165 0.827±0.183

Discharge (m3/s) 5.904±8.627 3.610±1.836

E-Coli (CFU/100mL) >2420 57

% Substrate Composition Urban Riffle Urban Pool

Rural Riffle Rural Pool

Sand 2.5 35 2.5 30

Silt 27.5 20 7.5 60

Cobble 67.5 5 85 7.5

Gravel 2.5 40 5 2.5

Conductivity (seamans) 0.715 0.713 0.441 0.449

Habitat Length (m)15.285±9.99

111.430±0.09

914.05±7.9

913.05±4.87

9

Table 5. Mean and standard deviation of the environmental composition taken from an urban

and rural stream in western MI in October 2012.

Area Environment

Buck Creek in Grandville, MI (urban)

Little Rio Grande in Muskegon, MI (rural)

Submerged Logs (total) 5.0±5.657 10.5±14.849

Log Jams (total) 2.5±2.121 4.0±0.0

% Area CompositionWoody Plants 75 33Grass/Forbs 10 33Rocks 10 33Bare Soil 5 0Other 0 0