Alaska Forest Foodweb for Erethizon dorsatus (common porcupine)

Alaska Forest
Canis lupus
(Wolf)
Lynx canadensis
(lynx)
 
Erethizon dorsatus
(common porcupine)
 
Picea glauca
(Canadian spruce)
Picea mariana
(Black spruce)
Salix alaxensis
(feltleaf willow)
 
Ecosystem provided by Making The Forest And Tundra Wildlife Connection