Patrick Valkenburg

• 49 Years in the 49th State
• Investigation and improvement of techniques for monitoring recruitment, population trend, and nutritional status in the western Arctic caribou herd
• Investigation of regulating and limiting factors in the Delta caribou herd
• Investigation of regulating and limiting factors in the Delta caribou herd
• Investigation of regulating and limiting factors in the Delta caribou herd
• Investigation of regulating and limiting factors in the Delta caribou herd
• Population status of the Fortymile caribou herd and identification of limiting factors
• Status, movements, range use patterns, and limiting factors of the fortymile caribou herd