HomeMy WebLinkAbout11_9_22 Canyon Loop Trail Daily Biomonitoring Report.docx.pdfEndemic Environmental Services
DAILY BIO-MONITORING REPORT
Date:11/9/22 Day:Wednesday
Project/Stage of Project:Diamond Bar Canyon Loop Trail Improvement, grading and trail enhancement
Name of Bio-monitor:Chris Fabela
Location:Diamond Bar
Location Description:Coastal Sage Scrub and Coast Live Oak Woodland, behind residential area
Map # (If applicable):N/A
Bio-monitoring Activity
Start Time:0700 End Time:1530
Bio-monitoring Notes:
●Heavy equipment was used to level and grade the trail to repair the erosion that was caused by rain the
previous day.
●Mini-excavator and hand tools were used to dig stairsteps in the trail alongside gabion walls.
●Coastal California Gnatcatcher was identified within the project area. No impact was observed.
●All sensitive biological resources were monitored and no adverse impacts occurred.
Weather Conditions
Conditions:Mostly sunny in the morning, with some clouds moving in during the afternoon
Temperature:51 F Humidity:90%Wind:S 1 mph Cloud Cover %:55
Temperature:59 F Humidity:62%Wind:NE 9 mph Cloud Cover %:15
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Construction Activity
Name of Contractors Performing Work:DD Systems
Relevant Person(s) in charge of construction:Danny
Start Time:0700 End Time:1530
Is project work activity compliant?Yes
Construction Activity Notes/Equipment Used:Hand tools,Mini excavator, 249D Skid steer
-The crew used hand tools and the skidsteer and the mini-excavator to level,grade and fill gully erosion
caused by the previous night’s rain (Figure 1). Backfill was used to fill in the eroded areas.
-The mini-excavator was used to dig stairsteps into multiple sections of the south trail loop while the crew
used shovels to finish the steps (Figure 2).
-The skidsteer was used to bring materials down to the work area.
-No vegetation trimming or removal took place.
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Biological Resource Findings
Were there any listed species observed on or near site?Yes
If yes, then:
Was listed species impacted due to work?No
Species Common/ Scientific Name:Coastal California Gnatcatcher (Polioptila californica california)
Time of Observed Listed Species:1015
GPS Location of Listed Species (if applicable):
34.002518 °N, 117.798733 °W
Description of Listed Location:Observations occurred in coastal sage scrub habitat.
Bio-monitor Notes:Calls were heard south of the trail,downslope from where the crew was working and
outside of the work area. No disturbance was observed.
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Species Take Section
Was there a take of any listed or regulated species?No
If yes, then:
What type of take occurred?
Species Common Name/ Scientific Name:
Age/Class:
Gender:
Did take occur due to project work activity?
GPS Location of Take (if applicable):
Description Location of Take:
Bio-monitor Notes
Nest Findings
Were there any nests observed on or near project site?No
If yes, then:
Were nests active or non-active?
Nest(s):
Species (If identifiable):
Time Observed:Nesting Status:
GPS Point of Nest:
Location Description of Nest:
Biomonitor Notes:
Other Nest Notes:
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Nest Removal Section
Were there any Nests removed?No
If yes, then:
Was the MBTA Nest active or non-active?
Time of Nest Removal?
Why was the nest removed?:
Species Scientific/ Common Name:
GPS Location of Removed Nest (If applicable):
Bio-monitor Notes:
Wetlands and Jurisdictional Waters of the U.S.
Are Wetlands or Jurisdictional Waters of the United States Present?No
If yes, then:
What Watershed?
Were Wetlands or Jurisdictional Waters of the United States impacted by project work activity?No
What type of impact occurred?
Bio-monitor Notes:
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Vegetation Impact Section
Was vegetation impacted by project work activity?No
If yes, then:
Habitat Type:
Type of Vegetation Impacted:.
What type of impact occurred?
Square Footage of Impacted Area:
Bio-monitor Notes:
Non-Listed Species Section
Were there any non-listed species observed?Yes
If yes, then:
Species Common/ Scientific Name:
Red-tailed hawk (Buteo jamaicensis),American crow (Corvus brachyrhynchos), California quail
(Callipepla californica), Turkey vulture (Cathartes aura),Mourning dove (Zenaida macroura),
Common raven (Corvus corax),House finch (Haemorhous mexicanus),California towhee (Melozone
crissalis), Anna’s hummingbird (Calypte anna), California Scrub-Jay (Aphelocoma californica),
Cassin’s kingbird (Tyrannus vociferans), Bushtit (Psaltriparus minimus),Nuttall’s woodpecker
(Dryobates nuttallii), Western meadowlark (Sturnella neglecta), Northern mockingbird (Mimus
polyglottos), California ground squirrel (Otospermophilus beecheyi).
Bio-monitor Notes:N/A
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Photos Section
Figure 1.Crew leveling and grading the erosion on the trail.
Figure 2.Crew digging steps into the trail.
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Figure 3.Crews continuing to dig steps into the steeper sections of trail.
Figure 4.Crew finishing point at the end of the day.