|
Table 4 |
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|
Summary of Adaptive Management Studies |
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|
Functional requirement |
Stressors |
Adaptive management studies |
Priority |
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|
sufficient flow |
1 |
depressed groundwater |
1 |
flow measurements |
high |
|
2 |
lack of flow from effluent sources |
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|
3 |
change in PCWA flows |
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|
2 |
investigate PCWA operations |
high |
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|
no migration barriers |
4 |
utility crossings, bridge sills, diversion dams, unscreened diversions |
3 |
run timing |
high |
|
4 |
steelhead upmigration estimates |
high |
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|
5 |
salmon upmigration estimates |
med |
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|
6 |
survey predators during outmigration period |
med |
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|
5 |
excessive sediment |
7 |
survey stream reaches for habitat type quantity and quality |
high |
|
|
Channel Complexity- instream-cobble, boulders, undercut banks, pools riparian-large woody debris, streamside vegetation, good channel morphology |
6 |
sedimentation from channel and upland erosion |
8 |
compare habitat parameters with juvenile utilization |
low |
|
7 |
survey habitat types |
high |
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|
7 |
flood control maintenance |
9 |
quantify benefit of stream maintenance |
high |
|
|
8 |
poor stormwater management |
10 |
survey riparian quality near outflows |
high |
|
|
9 |
homeowner maintenance, grazing |
11 |
estimate erosion due to poor maintenance |
high |
|
|
appropriate temperature |
10 |
inadequate vegetation, lack of substrate complexity, inadequate flow, impoundments, effluent |
12 |
assess temperature in various habitats and reaches |
high |
|
good water quality |
11 |
cumulative contaminatioin from watershed sources |
13 |
assess water quality parameters at regular intervals |
high |
|
12 |
poor stormwater management |
14 |
assess stormwater quality at regular intervals |
high |
|
|
13 |
homeowner maintenance |
15 |
analyze water from urban drains |
med |
|
|
14 |
industrial discharge |
16 |
locate dischargers and analyze outflow |
low |
|
|
reproductive success |
15 |
various cumulative |
17 |
juvenile outmigration |
med |
|
17a |
correlate outmigration with escapement |
med |
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|
18 |
analyze juvenile stomach samples |
med |
|||
|
non-natal rearing |
19 |
investigate methods to study the extent of non-natal rearing |
med |
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