variability and uncertainty. Luxembourg: Publication Office of theEuropeanUnion. 2017: 71. ISBN 978-92-79-77046-3. doi:10.2760/13180. Krock, Lexi. The World
from the following publication: Aubry, C., R. Shoal and V. Erickson. 2005. Grass cultivars: their origins, development, and use on national forestsand grasslands
(PDF)存档于2012-02-22) "Forests are shaped by climate. ... Changes in temperature and precipitation regimes therefore have the potential to dramatically affect forests nationwide