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Coulter pine (Pinus coulteri), or big-cone pine, is a conifer in the genus Pinus of the family Pinaceae.Coulter pine is an evergreen conifer that lives up to 100 years. [2] It is a native of the coastal mountains of Southern California in the United States and northern Baja California in Mexico, occurring in mediterranean climates, where winter rains are infrequent and summers are dry with ...
The level III ecoregions in Arkansas are the South Central Plains (35), Ouachita Mountains (36), Arkansas Valley (37), Boston Mountains (38), Ozark Highlands (39), Mississippi Alluvial Plain (73), Mississippi Valley Loess Plains (74). (Compare to map of Level IV ecoregions.)
The Arkansas Valley is a Level III ecoregion designated by the Environmental Protection Agency (EPA) in the U.S. states of Arkansas and Oklahoma.It parallels the Arkansas River between the flat plains of western Oklahoma and the Arkansas Delta, dividing the Ozarks and the Ouachita Mountains with the broad valleys created by the river's floodplain, occasionally interrupted by low hills ...
Overstory species include coulter pine, monterey pine, bishop pine, shore pine, and several endemic cypresses, species which generally rely on fire to open their cones and release seeds. Closed-cone forests often grow in low nutrient and/or stressed soils, which can lead to slow growth.
Location of Arkansas in the United States. Arkansas is located in the southeastern United States, in the West South Central Census Bureau division. Arkansas covers an area of 53,179 square miles (137,733 km²) and ranks as the 29th largest state by size. [7]
Combined Statistical Area Population [3] Core Based Statistical Area Population [2] 1 Little Rock-North Little Rock: 905,847 Little Rock-North Little Rock-Conway, AR MSA: 734,622 Pine Bluff, AR MSA: 91,962 Searcy, AR μSA: 79,263 2 Jonesboro-Paragould: 174,456 Jonesboro, AR MSA: 129,858 Paragould, AR μSA: 44,598 3 Hot Springs-Malvern: 130,851 ...
The commerce in the area was initially based on fishing and wild game. The fur trade and lumber later were critical to the economy. [11] Early European-American settlers crossed the Mississippi and settled among the swamps and bayous of east Arkansas. Frontier Arkansas was a rough, lawless place infamous for violence and criminals. [12]
The area is underlain by Pennsylvanian sandstone, shale, and siltstone, where some folding and faulting has occurred. [5] The sandstone beds become thinner with higher shale content in the west as the mountains decline in elevation. [6] The range covers an area of 5,770 square miles (14,900 km 2). [7]