Rolf Peterson Quotes: Wolves directly affect the entire ecosystem, not just moose populations, their main prey, because less moose equals more tree growth ...

Wolves directly affect the entire ecosystem, not just moose populations, their main prey, because less moose equals more tree growth (Rolf Peterson)

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Rolf Peterson Quotes: Wolves directly affect the entire ecosystem, not just moose populations, their main prey, because less moose equals more tree growth

Rolf Peterson Quotes: Wolves directly affect the entire ecosystem, not just moose populations, their main prey, because less moose equals more tree growth

Rolf Peterson Quotes: Wolves directly affect the entire ecosystem, not just moose populations, their main prey, because less moose equals more tree growth

Rolf Peterson Quotes: Wolves directly affect the entire ecosystem, not just moose populations, their main prey, because less moose equals more tree growth

Rolf Peterson Quotes: Wolves directly affect the entire ecosystem, not just moose populations, their main prey, because less moose equals more tree growth

Rolf Peterson Quotes: Wolves directly affect the entire ecosystem, not just moose populations, their main prey, because less moose equals more tree growth

Rolf Peterson Quotes: Wolves directly affect the entire ecosystem, not just moose populations, their main prey, because less moose equals more tree growth

Rolf Peterson Quotes: Wolves directly affect the entire ecosystem, not just moose populations, their main prey, because less moose equals more tree growth

Rolf Peterson Quotes: Wolves directly affect the entire ecosystem, not just moose populations, their main prey, because less moose equals more tree growth

Rolf Peterson Quotes: Wolves directly affect the entire ecosystem, not just moose populations, their main prey, because less moose equals more tree growth

Rolf Peterson Quotes: Wolves directly affect the entire ecosystem, not just moose populations, their main prey, because less moose equals more tree growth

Rolf Peterson Quotes: Wolves directly affect the entire ecosystem, not just moose populations, their main prey, because less moose equals more tree growth

Rolf Peterson Quotes: Wolves directly affect the entire ecosystem, not just moose populations, their main prey, because less moose equals more tree growth

Rolf Peterson Quotes: Wolves directly affect the entire ecosystem, not just moose populations, their main prey, because less moose equals more tree growth

Rolf Peterson Quotes: Wolves directly affect the entire ecosystem, not just moose populations, their main prey, because less moose equals more tree growth