Utente:Payu/sandbox: differenze tra le versioni

Versione delle 19:27, 17 ago 2009

Versione delle 19:30, 17 ago 2009

Riga 60:

===Flora e fauna===

[[Image:Tallgrass Prairie Nature Preserve in Osage County.jpg|thumb|right|Una popolazione di[[American bison|bisonti americani]] che popolano le praterie dello stato.]]

Le foreste coprono il 24 percento dell'Oklahoma<ref name="TravelOKOklahoma's Name"/> and [[prairie|prairie grasslands]] composed of shortgrass, mixed-grass, and [[tallgrass prairie]], harbor expansive ecosystems in the state's central and western portions, although [[cropland]] has largely replaced native grasses.<ref name="ecology"/> Where rainfall is sparse in the western regions of the state, shortgrass prairie and [[shrubland]]s are the most prominent ecosystems, though [[pinyon pine]]s, [[juniper]]s, and [[ponderosa pine]]s grow near rivers and creek beds in the far western reaches of the panhandle.<ref name="ecology"/> [[Marshlands]], [[cypress]] forests and mixtures of [[shortleaf pine]], [[loblolly pine]] and deciduous forests dominate the state's [[Kiamichi Country|southeastern quarter]], while mixtures of largely [[post oak]], [[elm]], [[cedar]] and [[pine trees|pine]] forests cover [[northeastern Oklahoma]].<ref name="forests 1">{{cite web | year=2003|url=http://www.odl.state.ok.us/almanac/2005/3-inbrief.pdf| title=Oklahoma in Brief | publisher=State of Oklahoma | format=pdf|accessdate=2007-08-04 }}</ref><ref name="ecology"/><ref name="OK forests">{{cite web | url=http://www.ok.gov/~okag/forestry-okforestshome.htm| title=Oklahoma Ecoregional Maps | publisher=Oklahoma Department of Agriculture | accessdate=2007-08-02 }}</ref>

The state holds populations of [[white-tailed deer]], [[coyotes]], [[bobcats]], [[elk]], and birds such as [[quail]], [[dove]]s, [[Cardinal (bird)|cardinals]], [[bald eagles]], [[red-tailed hawks]], and [[pheasants]]. In prairie ecosystems, [[american bison]], [[greater prairie-chicken]]s, [[badgers]], and [[armadillo]] are common, and some of the nation's largest [[prairie dog]] towns inhabit shortgrass prairie in the state's panhandle. The [[Cross Timbers]], a region transitioning from prairie to woodlands in Central Oklahoma, harbors 351 [[Vertebrate|vertebrate species]]. The Ouachita Mountains are home to [[American Black Bear|black bear]], [[red fox]], [[grey fox]], and [[river otter]] populations, which coexist with a total of 328 vertebrate species in southeastern Oklahoma. Also, in southeastern Oklahoma lives the [[American Alligator]].<ref name="ecology">{{cite web | year=2005|url=http://www.travelok.com/about/StudentGuide.pdf| title=A Look at Oklahoma: A Student's Guide | publisher=State of Oklahoma | format=pdf|accessdate=2007-08-14}}</ref>