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Overview
Basics
Basics
A population of Asian clams was discovered in Sand Harbor in 2015. Surveyors estimated the population size at approximately 1.5 acres in the boat landing area of Sand Harbor- Lake Tahoe Nevada State Park. Prior to work commencing, the population was estimated at 6 acres. Once treatment began in 2017, divers discovered clams in additional areas. The infestation was estimated to be over 25 acres in extent. With the larger infestation, the approach focused on maintenance rather than localized eradication. Three rounds of barrier relocation occured that treated a total of approximately 9.3 acres. Barriers were removed in June of 2020. See projet images for post-project results.
Completed
2016
2017
2020
$2,500,000
Dennis Zabaglo (dzabaglo@trpa.gov)
04/24/2017
06/24/2021
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| Location Information | Location Notes |
|---|---|
Organizations
Organizations
EIP Details
EIP Basics
EIP Basics
01.03.01.0021 - Sand Harbor Aquatic Invasive Asian Clam Control
Performance Measures
Expected Performance Measures
Expected Performance Measures
| Acres Treated for Invasive Species | None | acres | |
| Acres of Invasive Species Inventoried | None | acres |
Reported Performance Measures
Reported Performance Measures
| Acres Treated for Invasive Species | ||||||
|---|---|---|---|---|---|---|
| 2017 | 2018 | 2019 | 2020 | Total | Units | |
| Invasive Species Type | ||||||
| Aquatic | 4 | 4 | 4 | 4 | 16 | acres |
| Total | 4 | 4 | 4 | 4 | 16 | acres |
| Acres of Invasive Species Inventoried | ||||||
|---|---|---|---|---|---|---|
| 2017 | 2018 | 2019 | 2020 | Total | Units | |
| Invasive Species Type | ||||||
| Aquatic | 22 | 22 | acres | |||
| Total | 22 | 0 | 0 | 0 | 22 | acres |
Funding
Expected Funding
Expected Funding
$2,500,000
$506,462
$1,993,538
| Total | |||
|---|---|---|---|
| Lake Tahoe License Plate Program (NDSL) | $70,669 | $70,669 | $0 |
| Section 108 U.S. Army Corps of Engineers (TRPA) (USACOE) | $80,000 | $80,000 | $0 |
| Tahoe Bonds Act (NDSL) | $355,793 | $355,793 | $0 |
| Grand Total | $506,462 | $506,462 | $0 |
Reported Expenditures
Reported Expenditures
| Total | 2020 | 2019 | 2018 | 2017 | 2016 | |
|---|---|---|---|---|---|---|
| Lake Tahoe License Plate Program | $192,825 | $0 | $72,557 | $88,500 | $31,768 | $0 |
| Lake Tahoe Restoration Act | $28,495 | $28,495 | $0 | $0 | $0 | $0 |
| Section 108 U.S. Army Corps of Engineers (TRPA) | $88,883 | $9,426 | $0 | $79,457 | $0 | $0 |
| Tahoe Bonds Act | $434,409 | $128,486 | $46,715 | $0 | $259,208 | $0 |
| Grand Total | $744,612 | $166,407 | $119,272 | $167,957 | $290,976 | $0 |
Photos
Other Details
Watersheds
No watersheds set for this project.
Threshold Categories
-
Asian clam populations have an affect on water quality. Containing this population will prevent spread to other locations.
Local and Regional Plans
No Local and Regional Plans set for this project.
Related Projects
Related Projects
No Related Projects set for this project.
External Links
No external links entered.
Notes
Notes
| 01/21/2021 11:27 AM | Dennis Zabaglo | This projected was completed in 2020. While each year 4 acres were reported as being treated, relocations of barriers each season overlapped some areas from the previous year. In total, aprroximately 9.3 acres were treated. Post-treatment surveys revealed few live clams present with a range of 0-32 live clams present per square meter compared to 0-180 per square meter. See project photos for collected data. |