Type:
- Article
Year:
1995
Source:
- American Midland Naturalist
Category:
- Monarch research, Population dynamics
Full Reference:
Swengel AB. 1995. Population fluctuations of the monarch (Danaus-plexippus) in the 4th of July butterfly count 1977-1994. American Midland Naturalist 134: 205-214.
Online citation:
Study Setting:
- Field
Geographic Focus:
- Eastern Breeding