Table 4

Summary of Adaptive Management Studies

Functional requirement

Stressors

Adaptive management studies

Priority

sufficient flow

1

depressed groundwater

1

flow measurements

high

2

lack of flow from effluent sources

3

change in PCWA flows

2

investigate PCWA operations

high

no migration barriers

4

utility crossings, bridge sills, diversion dams, unscreened diversions

3

run timing

high

4

steelhead upmigration estimates

high

5

salmon upmigration estimates

med

6

survey predators during outmigration period

med

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

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

18

analyze juvenile stomach samples

med

non-natal rearing

19

investigate methods to study the extent of non-natal rearing

med