Excessive runoff from fields and feedlots affect the population of the caddis fly larvae and gilled snails?
a) What would happen to the population of these 2 species as a result of this excessive runoff?
b) What environmental factor would cause the population changes? Be specific.
c) Name the chain of events that would lead to the change in this environmental factor.
A. They would go down
B. Oxygen depletion would result from the Biological Chemical Demand of the chemical involved
C. Not sure...look up Eutrophication
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 FLY TYING FISHING 100 DAI RIKI D R 135 SCUD HOOKS 16 CADDIS PUPA LARVA PATTERN $8.75 Time Remaining: 3h 40m |
 FLY TYING FISHING 100 DAI RIKI D R 135 SCUD HOOKS 8 CADDIS PUPA LARVA PATTERN $8.75 Time Remaining: 3h 44m |
 FLY TYING FISHING 100 DAI RIKI D R 135 SCUD HOOKS 18 CADDIS PUPA LARVA PATTERN $8.75 Time Remaining: 3h 50m |
 FLY TYING FISHING 100 DAI RIKI D R 135 SCUD HOOKS 10 CADDIS PUPA LARVA PATTERN $8.75 Time Remaining: 3h 57m |
 FLY TYING FISHING 100 DAI RIKI D R 135 SCUD HOOKS 12 CADDIS PUPA LARVA PATTERN $8.75 Time Remaining: 4h 2m |
 FLY TYING FISHING 100 DAI RIKI D R 135 SCUD HOOKS 14 CADDIS PUPA LARVA PATTERN $8.75 Time Remaining: 4h 4m |
 FLY TYING FISHING 100 DAI RIKI D R 135 SCUD HOOKS 20 CADDIS PUPA LARVA PATTERN $8.75 Time Remaining: 4h 9m |
 Caddis Larva Dark Olive 14 1 Dozen Trout Fishing Flies $6.99 Time Remaining: 23h 41m Buy It Now for only: $6.99 |
 Caddis Larva Dark Olive 16 1 Dozen Trout Fishing Flies $6.99 Time Remaining: 23h 42m Buy It Now for only: $6.99 |
 Caddis Larva Dark Olive 18 1 Dozen Trout Fishing Flies $6.99 Time Remaining: 23h 42m Buy It Now for only: $6.99 |
 1 dozen Caddis Larva Brown 14 Nymphs Trout NR $0.01 (2 Bids) Time Remaining: 2d 17h 19m |
 1 dozen Caddis Larva Brown 16 Nymphs Trout NR $0.01 (1 Bid) Time Remaining: 2d 17h 20m |
 1 dozen Caddis Larva Brown 18 Nymphs Trout NR $0.01 Time Remaining: 2d 17h 21m |
 1 dozen Caddis Larva Green 14 Nymphs Trout NR $0.01 Time Remaining: 2d 17h 22m |
 1 dozen Caddis Larva Green 16 Nymphs Trout NR $0.01 (1 Bid) Time Remaining: 2d 17h 23m |
 1 dozen Caddis Larva Green 18 Nymphs Trout NR $0.01 Time Remaining: 2d 17h 24m |
 1 dozen Caddis Larva Olive 14 Nymphs Trout NR $0.01 Time Remaining: 2d 17h 25m |
 1 dozen Caddis Larva Olive 16 Nymphs Trout NR $0.01 Time Remaining: 2d 17h 26m |
 1 dozen Caddis Larva Olive 18 Nymphs Trout NR $0.01 Time Remaining: 2d 17h 27m |
 1 dozen Caddis Larva Tan 14 Nymphs Trout NR $0.01 Time Remaining: 2d 17h 28m |
 1 dozen Caddis Larva Tan 16 Nymphs Trout NR $0.01 Time Remaining: 2d 17h 29m |
 1 dozen Caddis Larva Tan 18 Nymphs Trout NR $0.01 Time Remaining: 2d 17h 30m |
 11 FLYS CADDIS LARVA GREEN 16 FRONTIER FLY FISHING FLIES $9.31 Time Remaining: 4d 9h 50m Buy It Now for only: $9.31 |
 Cream Caddis Larva sz 20 3 Flies $2.79 Time Remaining: 5d 19h 2m Buy It Now for only: $2.79 |
 BEADHEAD CADDIS LARVA FRONTIER CUSTOM FLY FISHING FLIES $7.61 Time Remaining: 5d 22h 13m Buy It Now for only: $7.61 |
 CADDIS LARVA GREEN 12 FRONTIER FLY FISHING FLIES $7.61 Time Remaining: 5d 23h 53m Buy It Now for only: $7.61 |
 CADDIS LARVA TAN 16 FRONTIER FLY FISHING FLIES $7.61 Time Remaining: 5d 23h 59m Buy It Now for only: $7.61 |
 CADDIS LARVA TAN 14 FRONTIER FLY FISHING FLIES $7.61 Time Remaining: 6d Buy It Now for only: $7.61 |
 CASED CADDIS LARVA 6 FRONTIER CUSTOM FLY FISHING FLIES $7.61 Time Remaining: 6d 26m Buy It Now for only: $7.61 |
 GLASSY CADDIS LARVA TAN 18 FRONTIER FLY FISHING FLIES $7.61 Time Remaining: 6d 1h 26m Buy It Now for only: $7.61 |
 FLY TYING FISHING 100 DAI RIKI D R 135 SCUD HOOKS 8 CADDIS PUPA LARVA PATTERN $8.75 Time Remaining: 6d 18h 40m Buy It Now for only: $8.75 |
 FLY TYING FISHING 100 DAI RIKI D R 135 SCUD HOOKS 10 CADDIS PUPA LARVA PATTERN $8.75 Time Remaining: 6d 18h 45m Buy It Now for only: $8.75 |
 FLY TYING FISHING 100 DAI RIKI D R 135 SCUD HOOKS 14 CADDIS PUPA LARVA PATTERN $8.75 Time Remaining: 6d 18h 46m Buy It Now for only: $8.75 |
 BEADHEAD CADDIS LARVA 10 FRONTIER FLY FISHING FLIES $7.61 Time Remaining: 7d 2h 59m Buy It Now for only: $7.61 |
 ASGs 12 NYMPH CADDIS LARVA FLIES 12 14 FREIGHT FREE $16.00 Time Remaining: 7d 12h 2m Buy It Now for only: $16.00 |
 10 assorted nymphs wet flies Pheasant Tails Caddis Pupa green larva $8.50 Time Remaining: 8d 6h 2m Buy It Now for only: $8.50 |
 Caddis Larva Dark Olive Assortment 1 Dozen Trout Fishing Flies $7.49 Time Remaining: 9d 41m Buy It Now for only: $7.49 |
 marksflies CUSTOM TIED BEAD CADDIS LARVA Fishing Flys $7.95 Time Remaining: 9d 20h 22m Buy It Now for only: $7.95 |
 marksflies CUSTOM TIED CADDIS LARVA Trout Fish $7.95 Time Remaining: 9d 20h 23m Buy It Now for only: $7.95 |
 FLY TYING FISHING 100 DAI RIKI D R 135 SCUD HOOKS 18 CADDIS PUPA LARVA PATTERN $8.75 Time Remaining: 10d 6h 8m Buy It Now for only: $8.75 |
 FLY TYING FISHING 100 DAI RIKI D R 135 SCUD HOOKS 20 CADDIS PUPA LARVA PATTERN $8.75 Time Remaining: 10d 6h 10m Buy It Now for only: $8.75 |
 Tungsten Caddis Larva Midge Emerger May Fly sz16 HOT PATTERN $8.95 Time Remaining: 10d 13h 59m Buy It Now for only: $8.95 |
 CADDIS CANDY PHARES OLIVE LARVA 6 UMPQUA FLIES 3 EACH SIZE 14 16 $13.50 Time Remaining: 13d 2h 29m Buy It Now for only: $13.50 |
 FLY TYING FISHING 100 DAI RIKI D R 135 SCUD HOOKS 12 CADDIS PUPA LARVA PATTERN $8.75 Time Remaining: 15d 5h Buy It Now for only: $8.75 |
 Bead Head Caddis Larva Fly sz 8 for fishing $1.50 Time Remaining: 18d 17h 21m Buy It Now for only: $1.50 |
 Bead Head Caddis Larva Fly sz 10 for fishing $1.50 Time Remaining: 18d 17h 22m Buy It Now for only: $1.50 |
 Bead Head Caddis Larva Fly sz 12 for fishing $1.50 Time Remaining: 18d 17h 23m Buy It Now for only: $1.50 |
 Green Bead Head Caddis Larvae Sz 10 per 6 $5.00 Time Remaining: 19d 2h 4m Buy It Now for only: $5.00 |
 Chartruse Bead Head Caddis Larvae Sz 10 per 6 $5.00 Time Remaining: 19d 2h 10m Buy It Now for only: $5.00 |
 FLY TYING FISHING 100 DAI RIKI D R 135 SCUD HOOKS 16 CADDIS PUPA LARVA PATTERN $8.75 Time Remaining: 19d 6h 21m Buy It Now for only: $8.75 |
 BEADHEAD CADDIS LARVA BROWN FRONTIER FLY FISHING FLIES $7.61 Time Remaining: 23d 1h 4m Buy It Now for only: $7.61 |
 BEADHEAD CADDIS LARVA GRAY FRONTIER FLY FISHING FLIES $7.61 Time Remaining: 23d 1h 11m Buy It Now for only: $7.61 |
 BEADHEAD CADDIS LARVA 16 FRONTIER FLY FISHING FLIES $7.61 Time Remaining: 23d 1h 16m Buy It Now for only: $7.61 |
 GLASSY CADDIS LARVA TAN 16 FRONTIER FLY FISHING FLIES $7.61 Time Remaining: 23d 6h 43m Buy It Now for only: $7.61 |
 MICRO CADDIS LARVA GREEN FRONTIER FLY FISHING FLIES $7.61 Time Remaining: 23d 7h 23m Buy It Now for only: $7.61 |
 6 PYRITE CADDIS LARVA TUNGSTEN FLIES 3 EACH SIZES 14 16 UMPQUA $14.95 Time Remaining: 24d 38m Buy It Now for only: $14.95 |
 2 Gold head Caddis Larva Cream 16 Nymph $1.75 Time Remaining: 24d 20h 56m Buy It Now for only: $1.75 |
 2 Gold head Caddis Larva Cream 18 Nymph $1.75 Time Remaining: 24d 20h 57m Buy It Now for only: $1.75 |
 2 Gold head Caddis Larva olive 12 Nymph $1.75 Time Remaining: 24d 20h 57m Buy It Now for only: $1.75 |
 2 Gold head Caddis Larva olive 14 Nymph $1.75 Time Remaining: 24d 20h 57m Buy It Now for only: $1.75 |
 2 Gold head Caddis Larva olive 16 Nymph $1.75 Time Remaining: 24d 20h 57m Buy It Now for only: $1.75 |
 2 Gold head Caddis Larva olive 18 Nymph $1.75 Time Remaining: 24d 20h 57m Buy It Now for only: $1.75 |
 2 Gold head Caddis Larva Tan 16 Nymph $1.75 Time Remaining: 24d 20h 57m Buy It Now for only: $1.75 |
 2 Gold head Caddis Larva Tan 18 Nymph $1.75 Time Remaining: 24d 20h 57m Buy It Now for only: $1.75 |
 2 Brassie Red 20 Caddis Larva Nymph $1.75 Time Remaining: 24d 21h 57m Buy It Now for only: $1.75 |
 2 Brassie Red 18 Caddis Larva Nymph $1.75 Time Remaining: 24d 21h 57m Buy It Now for only: $1.75 |
 2 Brassie Red 16 Caddis Larva Nymph $1.75 Time Remaining: 24d 21h 57m Buy It Now for only: $1.75 |
 2 Brassie Red 14 Caddis Larva Nymph $1.75 Time Remaining: 24d 21h 57m Buy It Now for only: $1.75 |
 2 Brassie Copper 20 Caddis Larva Nymph $1.75 Time Remaining: 24d 21h 57m Buy It Now for only: $1.75 |
 2 Brassie Copper 18 Caddis Larva Nymph $1.75 Time Remaining: 24d 21h 57m Buy It Now for only: $1.75 |
 2 Brassie Copper 16 Caddis Larva Nymph $1.75 Time Remaining: 24d 21h 58m Buy It Now for only: $1.75 |
 1 Dozen Black Bead Olive Caddis Larva Nymph Wet Fly Trout $8.99 Time Remaining: 25d 2h 54m Buy It Now for only: $8.99 |
 4 CZECH NYMPHS LIGHT GREY CADDIS LARVA 1012 $6.86 Time Remaining: 26d 8h 24m Buy It Now for only: $6.86 |
 12 CZECH NYMPHS LIGHT GREY CADDIS LARVA 1012 $15.73 Time Remaining: 26d 8h 48m Buy It Now for only: $15.73 |
 Olive Caddis Larva sz 16 3 Flies $2.79 Time Remaining: 27d 16h 47m Buy It Now for only: $2.79 |
 Olive Caddis Larva sz 18 3 Flies $2.79 Time Remaining: 27d 16h 47m Buy It Now for only: $2.79 |
 Olive Caddis Larva sz 20 3 Flies $2.79 Time Remaining: 27d 16h 47m Buy It Now for only: $2.79 |
 Olive Caddis Larva sz 20 6 Flies $4.95 Time Remaining: 27d 16h 47m Buy It Now for only: $4.95 |
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