the monarch butterfly (current caltrans response and guidance) presented by jim walth associate...
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Current Guidance and Resources 2/19/20163TRANSCRIPT
The Monarch Butterfly (Current Caltrans Response and Guidance)
Presented byJim Walth
Associate Caltrans BiologistDistrict 5 –Central Region
San Luis Obispo
Background
05/04/23 2
Current Guidance and Resources
05/04/23 3
Proposed Responses
05/04/23 4
Proposed Responses: Management
05/04/23 5
Proposed Responses: Loss of Overwintering Sites
05/04/23 6
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DIST 10DIST 4
DIST 6
DIST 5
DIST 8
DIST 7
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P a c i f i cO c e a n
^ D. Plexippus Overwintering SitesCoastal Zone Boundary Area
Proposed Responses: Host Plant Abundance
05/04/23 7
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P a c i f i cO c e a n
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^ D. Plexippus Overwintering SitesHighways
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P a c i f i cO c e a n
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}þ168}þ168
}þ180}þ168
}þ41
}þ63
}þ198
}þ24 }þ4 }þ158
}þ178 }þ178
}þ190
}þ155
}þ65
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}þ180 }þ180
}þ198}þ216
}þ137
}þ145
}þ233
}þ59
}þ33 }þ41
}þ41
}þ33
}þ59
}þ132
}þ49}þ120
}þ152}þ152
}þ92
}þ130
}þ68 }þ25
}þ215
}þ202
}þ266
}þ79}þ74
}þ246
}þ25
}þ14}þ150
}þ33
}þ46
}þ152
}þ35
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^ D. Plexippus Overwintering SitesHighways
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DIST 9
DIST 10
DIST 4
DIST 6
DIST 5
DIST 8
DIST 7
P a c i f i cO c e a n
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}þ25
}þ140
}þ166
}þ58
}þ33
}þ43
}þ155
}þ14
}þ58
}þ190
}þ180
}þ99
}þ41
}þ198
}þ190}þ136
}þ190
}þ46
}þ166
}þ146
}þ198
}þ18
}þ168}þ168
}þ180}þ168
}þ41
}þ63
}þ198
}þ24 }þ4 }þ158
}þ178 }þ178
}þ190
}þ155
}þ65
}þ43
}þ180 }þ180
}þ198}þ216
}þ137
}þ145
}þ233
}þ59
}þ33 }þ41
}þ41
}þ33
}þ59
}þ132
}þ49}þ120
}þ152}þ152
}þ92
}þ130
}þ68 }þ25
}þ215
}þ202
}þ266
}þ79}þ74
}þ246
}þ25
}þ14}þ150
}þ33
}þ46
}þ152
}þ35
§̈¦5
§̈¦15
§̈¦405
§̈¦5
§̈¦5
§̈¦5§̈¦580§̈¦580 §̈¦205
§̈¦280
£¤395
£¤395
£¤395
£¤395
£¤395
£¤101
£¤101
£¤6
£¤101
^ D. Plexippus Overwintering SitesHighways
Proposed Responses: Host Plant Abundance
05/04/23 8
Proposed Responses: Non-Native Species
05/04/23 9
Tropical Milkweed (Asclepias curassavica)
Proposed Responses: Non-Native Species
05/04/23 10
Proposed Responses: Pesticide Use
05/04/23 11
Challanges
05/04/23 12
Questions
05/04/23 13