Seasonal Analysis and Species Classification
Shepherds Purse
Model Family : Resident detectability
Summary
Shepherds Purse
Resident with summer detectability collapse
Shepherds Purse is classified as resident with summer detectability collapse. The fitted resident detectability target peaks around May and reaches its lowest point around August. The model indicates moderate baseline presence, moderate spring carry-over, moderate pre-summer retention, moderate summer suppression, and moderate summer decay acceleration.
- Confidence
- Low
- Fit score
- 0.428
- Peak detectability
- May
- Lowest detectability
- August
Seasonal wheel
Calendar strip
Jan
0.41
Feb
0.41
Mar
0.5
Apr
0.83
May
0.88
Jun
0.5
Jul
0.38
Aug
0.23
Sep
0.23
Oct
0.24
Nov
0.25
Dec
0.39
Highlighted months indicate stronger modelled presence or detectability. A ring marks the fitted peak; a hollow mark indicates the trough where available.
Classification evidence
- Target peak month
- 5
- Target peak label
- May
- Target trough month
- 8
- Target trough label
- August
- Target peak value
- 0.877
- Target trough value
- 0.228
- Target mean value
- 0.437
- Target amplitude
- 0.649
- Baseline to peak ratio
- 0.26
- Autumn to winter weight ratio
- 0.048
- Year end to winter weight ratio
- 0.319
- Decay to growth ratio
- 1.844
Observed and Simulated Seasonal Patterns
