Title Page
Contents
요약 7
Introduction 9
Materials and methods 11
1. Sampling 11
2. Sexual maturity and Spawning 14
2.1. Gonad somatic index (GSI) 14
2.2. Group maturity 14
3. Age and growth 15
3.1. Age determination 15
3.2. Growth of goldeyes rockfish 18
4. Ecological parameters 19
4.1. Survival rate (S) and instantaneous coefficient of total mortality (Z) 19
4.2. Instantaneous coefficient of natural mortality (M) 19
4.3. Instantaneous coefficient of fishing mortality (F) 20
5. Age at first capture (tc)(이미지참조) 21
6. Stock assessment 22
6.1. Yield-per-recruit model 22
6.2. Spawning biomass-per-recruit model 23
6.3. Status of stock 24
Results 26
1. Relationship between length and weight 26
2. Sexual maturity and spawning 29
2.1. Gonad somatic index (GSI) 29
2.2. Group maturity 29
3. Age and growth 32
3.1. Age determination 32
3.2. Growth 39
4. Ecological parameters 42
4.1. Survival rate (S) and instantaneous coefficient of total mortality (Z) 42
4.2. Instantaneous coefficient of natural mortality (M) and instantaneous coefficient of fishing mortality (F) 43
5. Age at first capture (tc)(이미지참조) 43
6. Stock assessment 46
6.1. Yield-per-recruit model 46
6.2. Spawning biomass-per-recruit model 49
6.3. Current status of stock of goldeyes rockfish (Sebastes thompsoni) 51
Discussion 53
Summary 56
References 58