Santa Monica Mountains BPG Monitoring with Topanga Creek Life Cycle Monitoring Station FY22/23
Salmonid Research, Monitoring, and Evaluation (RM&E)
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| 1655488494727 | | S. California - S. Central CA Coast | | 07/01/2022 | | 06/30/2023 | | 2020 | | Completed | | 05/28/2025 | | |
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Description
This study is a continuation of long-term monitoring efforts initiated in 2001 by the Resource Conservation District of the Santa Monica Mountains (RCDSMM) to ascertain the abundance and spatial structure of southern California steelhead (Oncorhynchus mykiss) within the Santa Monica Mountains. During Fiscal Year 2022-2023, monitoring conducted by CDFW continued and expanded this long-term dataset throughout the Santa Monica Mountains Biogeographic Population Group (BPG) following the recommended sampling structure provided in CA Fish Bulletin 182 via a combination of redd surveys and the operation of a life cycle monitoring (LCM) station within Topanga Creek. Topanga Creek was selected as the site of the LCM due to its designation as a high priority (core 1) watershed for steelhead recovery by the National Marine Fisheries Service and the presence of high-quality O. mykiss summer refugia habitat.
Project Benefit
The National Marine Fisheries Service (NMFS) issued a recovery plan for Southern California steelhead in 2012. The Recovery Plan requires a set population level be reached in each of the five Biogeographic Population Groups (BPG) within the Southern Steelhead Distinct Population Segment in order to de-list the species. The only way to determine what the current steelhead population status is and whether recovery efforts are working is though the establishment of a large-scale monitoring program. Accomplishments
| Research and Monitoring |
| Stream Miles Monitored |
72.00 |
69.00 |
Funding Details |
|
| PCSRF | $57,972 |
| In-Kind Donated Labor | $9,141 |
| In-Kind Other | $190,128 |
| Report Total: | $257,241 |
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Worksites
1655488495484
- Worksite Identifier: 1655488495484
- Start Date:
- End Date:
Area Description
Topanga DIDSON site
Location Information
- Basin: Ventura-San Gabriel Coastal (180701)
- Subbasin: Santa Monica Bay (18070104)
- Watershed: Garapito Creek-Frontal Santa Monica Bay (1807010404)
- Subwatershed: Garapito Creek (180701040401)
- State: California
- Recovery Domain: S. California - S. Central CA Coast
- Latitude: 34.046
- Longitude: -118.578
ESU
- Southern California Steelhead DPS
Map
Photos
Metrics
Metrics
- E.0
Salmonid Research, Monitoring, and Evaluation (RM&E)Y (Y/N)
- . . E.0.a
RM&E Funding 19,117.00
- . . E.0.b
| Complement habitat restoration project | |
| None |
- . . E.0.c
| Project identified in a plan or watershed assessment. | |
| NMFS. 2012. Southern California Steelhead Recovery Plan. Southwest Region, Protected Resources Division, Long Beach, California
McEwan, D. & Jackson, T. 1996. Steelhead Restoration and Management Plan for California. CDFG. |
- . . E.0.d.1
Number of Cooperating Organizations 4
- . . E.0.d.2
| Name Of Cooperating Organizations. | |
| The California Conservation Corps (CCC) Veterans Program, Watershed Stewards Program (AmeriCorps), California Department of Parks and Recreation, Resource Conservation District of the Santa Monica Mountains |
- . . E.0.e.1
Number of reports prepared 1
- . . E.0.e.2
| Name Of Report | |
| Evans K., C. Horgan., D. St. George. 2023 Monitoring of Southern California Steelhead Rainbow Trout within the Monte Arido Highlands, Conception Coast, and Santa Monica Mountains Biogeographic Population Groups 2022-2023 Annual Report. California Department of Fish and Wildlife. Santa Barbara, CA |
- . . E.1
MonitoringY (Y/N)
- . . . . E.1.a
Monitoring funding 19,116.61
- . . . . E.1.b.1
Stream Miles Monitored 24.00
- . . . . E.1.b.2
Acres of Watershed Area Monitored 12,575.0
- . . . . E.1.c.1
Adult salmonid population monitoringY (Y/N)
- . . . . . . E.1.c.1.a
# miles (to nearest 0.01 mile) monitored for adult salmonids 24.00
- . . . . E.1.d
| Name Of Comprehensive Monitoring Strategy/Program | |
| D. Boughton, J. Nelson, M. Lacy. 2022. Fish Bulletin 182: Integration of Steelhead Viability Monitoring, Recovery Plans and Fisheries Management in the Southern Coastal Area.
Adams et al. 2011 Fisheries Bulletin 180. |
1655488495485
- Worksite Identifier: 1655488495485
- Start Date:
- End Date:
Area Description
Topanga PIT tag array
Location Information
- Basin: Ventura-San Gabriel Coastal (180701)
- Subbasin: Santa Monica Bay (18070104)
- Watershed: Garapito Creek-Frontal Santa Monica Bay (1807010404)
- Subwatershed: Garapito Creek (180701040401)
- State: California
- Recovery Domain: S. California - S. Central CA Coast
- Latitude: 34.046
- Longitude: -118.578
ESU
- Southern California Steelhead DPS
Map
Photos
Metrics
Metrics
- E.0
Salmonid Research, Monitoring, and Evaluation (RM&E)Y (Y/N)
- . . E.0.a
RM&E Funding 19,117.00
- . . E.0.b
| Complement habitat restoration project | |
| Santa Monica Resource Conservation District. 2007. P0650011- Rodeo Grounds Berm Removal. CDFW-FRGP 2006-2007 |
- . . E.0.c
| Project identified in a plan or watershed assessment. | |
| NMFS. 2012. Southern California Steelhead Recovery Plan. Southwest Region, Protected Resources Division, Long Beach, California
McEwan, D. & Jackson, T. 1996. Steelhead Restoration and Management Plan for California. CDFG. |
- . . E.0.d.1
Number of Cooperating Organizations 4
- . . E.0.d.2
| Name Of Cooperating Organizations. | |
| The California Conservation Corps (CCC) ? Veterans Program, California Department of Parks and Recreation, Resource Conservation District of the Santa Monica Mountains, Watershed Stewards Program (AmeriCorps) |
- . . E.0.e.1
Number of reports prepared 1
- . . E.0.e.2
| Name Of Report | |
| Evans K., C. Horgan., D. St. George. 2023 Monitoring of Southern California Steelhead Rainbow Trout within the Monte Arido Highlands, Conception Coast, and Santa Monica Mountains Biogeographic Population Groups 2022-2023 Annual Report. California Department of Fish and Wildlife. Santa Barbara, CA |
- . . E.1
MonitoringY (Y/N)
- . . . . E.1.a
Monitoring funding 19,116.61
- . . . . E.1.b.1
Stream Miles Monitored 24.00
- . . . . E.1.b.2
Acres of Watershed Area Monitored 12,575.0
- . . . . E.1.c.2
Salmonid smolt or fry monitoringY (Y/N)
- . . . . . . E.1.c.2.a
# miles (to nearest 0.01 mile) monitored for Salmonid smolt or fry 24.00
- . . . . E.1.d
| Name Of Comprehensive Monitoring Strategy/Program | |
| D. Boughton, J. Nelson, M. Lacy. 2022. Fish Bulletin 182: Integration of Steelhead Viability Monitoring, Recovery Plans and Fisheries Management in the Southern Coastal Area.
Adams et al. 2011 Fisheries Bulletin 180. |
1655488495486
- Worksite Identifier: 1655488495486
- Start Date:
- End Date:
Area Description
Santa Monica Mountains SGS
Location Information
- Basin: Ventura-San Gabriel Coastal (180701)
- Subbasin: Santa Monica Bay (18070104)
- Watershed: Big Sycamore Canyon-Frontal Santa Monica Bay (1807010402)
- Subwatershed: Solstice Canyon-Frontal Santa Monica Bay (180701040204)
- State: California
- Recovery Domain: S. California - S. Central CA Coast
- Latitude: 34.068816
- Longitude: -118.790053
ESU
- Southern California Steelhead DPS
Map
Photos
Metrics
Metrics
- E.0
Salmonid Research, Monitoring, and Evaluation (RM&E)Y (Y/N)
- . . E.0.a
RM&E Funding 19,117.00
- . . E.0.b
| Complement habitat restoration project | |
| Santa Monica Resource Conservation District. 2007. P0650011- Rodeo Grounds Berm Removal. CDFW-FRGP 2006-2007 |
- . . E.0.c
| Project identified in a plan or watershed assessment. | |
| NMFS. 2012. Southern California Steelhead Recovery Plan. Southwest Region, Protected Resources Division, Long Beach, California
McEwan, D. & Jackson, T. 1996. Steelhead Restoration and Management Plan for California. CDFG. |
- . . E.0.d.1
Number of Cooperating Organizations 4
- . . E.0.d.2
| Name Of Cooperating Organizations. | |
| The California Conservation Corps (CCC) ? Veterans Program, California Department of Parks and Recreation, Resource Conservation District of the Santa Monica Mountains, Watershed Stewards Program (AmeriCorps) |
- . . E.0.e.1
Number of reports prepared 1
- . . E.0.e.2
| Name Of Report | |
| Evans K., C. Horgan., D. St. George. 2023 Monitoring of Southern California Steelhead Rainbow Trout within the Monte Arido Highlands, Conception Coast, and Santa Monica Mountains Biogeographic Population Groups 2022-2023 Annual Report. California Department of Fish and Wildlife. Santa Barbara, CA |
- . . E.1
MonitoringY (Y/N)
- . . . . E.1.a
Monitoring funding 19,116.61
- . . . . E.1.b.1
Stream Miles Monitored 24.00
- . . . . E.1.b.2
Acres of Watershed Area Monitored 12,575.0
- . . . . E.1.c.1
Adult salmonid population monitoringY (Y/N)
- . . . . . . E.1.c.1.a
# miles (to nearest 0.01 mile) monitored for adult salmonids 24.00
- . . . . E.1.c.2
Salmonid smolt or fry monitoringY (Y/N)
- . . . . . . E.1.c.2.a
# miles (to nearest 0.01 mile) monitored for Salmonid smolt or fry 24.00
- . . . . E.1.c.4
Redd countsY (Y/N)
- . . . . . . E.1.c.4.a
# miles (to nearest 0.01 mile) monitored for redds 24.00
- . . . . E.1.d
| Name Of Comprehensive Monitoring Strategy/Program | |
| Boughton, D., Nelson, J., Lacy, M. 2022. Fish Bulletin 182: Integration of Steelhead Viability Monitoring, Recovery Plans and Fisheries Management in the Southern Coastal Area.
Adams et al. 2011, Fish Bulletin 180. |
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