wyszukanych pozycji: 2
Management Guide to Ecosystem Restoration Treatments: Whitebark Pine Forests of the Northern Rocky Mountains, U.S.A.
ISBN: 9781506139791 / Angielski / Miękka / 2015 / 142 str. Termin realizacji zamówienia: ok. 13-18 dni roboczych (Dostawa przed świętami) |
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cena:
85,59 zł |
Management Guide to Ecosystem Restoration Treatments: Whitebark Pine Forests of the Northern Rocky Mountains, U.S.A.
ISBN: 9781482034400 / Angielski / Miękka / 2013 / 144 str. Termin realizacji zamówienia: ok. 13-18 dni roboczych (Dostawa przed świętami) Whitebark pine is declining across much of its range in North America because of the combined effects of mountain pine beetle epidemics, fire exclusion policies, and widespread exotic blister rust infections. This management guide summarizes the extensive data collected at whitebark pine treatment sites for three periods: (1) pre-treatment, (2) 1 year post-treatment, and (3) 5 years post-treatment (one site has a 10 year post-treatment measurement). Study results are organized here so that managers can identify possible effects of a treatment at their own site by matching it to the most...
Whitebark pine is declining across much of its range in North America because of the combined effects of mountain pine beetle epidemics, fire exclusio...
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cena:
95,62 zł |