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Overview
Basics
Basics
This is a three-year study on the effects of white satin moth infestations on bird communities at Lake Tahoe. This invasive moth species has caused significant aspen defoliation and mortality in Lake Tahoe Nevada State Park since the early 2010s, and this project will be the first to document impacts to bird communities that rely on aspen habitats at Lake Tahoe. Point-count bird surveys and nest monitoring will be conducted during the breeding season, and aspen habitat assessments will be conducted each year in order to quantify whether major structural changes in aspen communities caused by white satin moths have any effects on bird abundance, diversity, and nesting success.
Implementation
2018
2018
2024
$76,580
Mark Enders (menders@ndow.org)
12/04/2018
02/07/2024
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| Location Information | Location Notes |
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Organizations
Organizations
EIP Details
EIP Basics
EIP Basics
04.01.01.0134 - Avian Impacts of White Satin Moth Defoliation in Tahoe Aspen
This project is on the EIP 5-year list.
Performance Measures
Expected Performance Measures
Expected Performance Measures
| Acres of Habitat Restored or Enhanced | [Action Performed: Restored], [Habitat Type: Aspen] | 1234 | acres |
| New Invasive Species Locations Detected | [Invasive Species Type: Terrestrial] | 5 | number |
| Acres of Invasive Species Inventoried | [Invasive Species Type: Terrestrial] | 18 | acres |
Reported Performance Measures
Reported Performance Measures
| New Invasive Species Locations Detected | ||||||||
|---|---|---|---|---|---|---|---|---|
| 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | Total | Units | |
| Invasive Species Type | ||||||||
| Terrestrial | 2 | 2 | number | |||||
| Total | 2 | 0 | 0 | 0 | 0 | 0 | 2 | number |
| Acres of Invasive Species Inventoried | ||||||||
|---|---|---|---|---|---|---|---|---|
| 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | Total | Units | |
| Invasive Species Type | ||||||||
| Terrestrial | 17.5 | 17.5 | 17.5 | 0 | 0 | 0 | 52.5 | acres |
| Total | 17.5 | 17.5 | 17.5 | 0 | 0 | 0 | 52.5 | acres |
Funding
Expected Funding
Expected Funding
Reported Expenditures
Reported Expenditures
| Total | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|
| Tahoe Bonds Act | $72,707 | $0 | $0 | $1,600 | $25,492 | $28,639 | $16,976 |
| Grand Total | $72,707 | $0 | $0 | $1,600 | $25,492 | $28,639 | $16,976 |
Photos
American robin eating a satin moth pupa
(Timing: During) (~349 KB)
Completely exposed warbling vireo nest.
(Timing: During) (~356 KB)
Example of aspen defoliation 2019
(Timing: During) (~654 KB)
Example of caterpillar infestation 2019
(Timing: During) (~318 KB)
Images of aspen defoliation and white satin moth caterpillars and cocoons, taken in North Canyon in July 2017.
(Timing: Before) (~1,770 KB)
Leaf cover retained around warbling vireo nest.
(Timing: During) (~554 KB)
Mountain chickadee eating a satin moth pupa.
(Timing: During) (~277 KB)
Multiple instars of satin moth caterpillars occurring simultaneously at single location.
(Timing: During) (~581 KB)
Photos of aspen at Marlette Lake taken before and after white satin moths became established.
(Timing: Before) (~1,664 KB)
Other Details
Watersheds
No watersheds set for this project.
Threshold Categories
-
Learning about the effects of white satin moths on bird communities will help land managers at Lake Tahoe make better management decisions and help guide restoration efforts in affected aspen stands.
Local and Regional Plans
Related Projects
Related Projects
04.01.01.0134 - Avian Impacts of White Satin Moth Defoliation in Tahoe Aspen is associated with following groups of projects.
External Links
No external links entered.
Notes
Notes
| 02/02/2024 10:27 AM | Mark Enders | We anticipate re-entering into contract with TINS in 2024 so that this project can be completed. | ||
| 02/17/2023 12:49 PM | Mark Enders | The contract with TINS expired in 2021 before analysis was completed. We turned our attention to other projects in 2022, but anticipate re-entering into contract with TINS in 2023 so that this project can be completed. | ||
| 02/08/2022 5:01 PM | Mark Enders | All field work has been completed for this project, and Tahoe Institute for Natural Science (TINS) has begun analyzing the complete dataset. Unfortunately, COVID-19 placed considerable, unanticipated demands on TINS, and they have been unable to complete analyses and reporting according to the original 2021 timeline. The quality of these deliverables and the inferences and management implications we can draw from them are extremely important, so TINS will be continuing to work on these analyses, and full results for the 2018-2020 point count study and 2019-2020 nest monitoring will be presented in 2022. |