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Major Karst Regions

WorldPhysical Environment

Major karst regions in the world

A map illustrates the major karst regions in the world.

Areas shaded in peach represent major karst regions worldwide. In North America, significant karst areas are found in northern and central Canada and the eastern and southwestern United States. In Central America, karst landscapes are prevalent, with notable areas in eastern Brazil. Europe features many karst regions, extending across North Africa from Algeria to Egypt and reaching south to Nigeria in the west and South Sudan in the east. Southern Africa also has prominent karst areas. In Southwest Asia, karst regions are widespread, as well as in Siberia and south-central China. New Guinea and eastern and southern Australia are also marked by significant karst landscapes.

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Display by:	Major Karst Regions	Cotton Production (U.S.)			Habitat Fragmentation
	Major Karst Regions	Class	Rank	Metric tons	No Data	Very Low	Low	Moderately Low	Moderate	Moderately High	High	Very High	Extremely High
Alaska			43	0.00	0.220%			0.183%	1.08%	0.155%	0.137%	1.29%	0.106%
Arizona	6.12%		12	6.10e+4								0.139%	10.8%
Utah	16.5%		21	0.00							0.376%	0.196%	39.2%
Yukon	2.27%							0.795%	1.20%	10.9%	14.8%	9.73%
Northwest Territories	1.44%				1.90%		10.9%	5.41%	21.2%	8.33%	0.275%	0.935%
District of Columbia			48	0.00									100%
Florida	42.1%		16	3.70e+4						0.355%			80.3%
Idaho	0.527%		31	0.00							0.401%	1.00%	8.30%
New Hampshire			37	0.00								80.8%	16.8%
Rhode Island			50	0.00									94.9%
Vermont			22	0.00								0.314%	1.37%
Washington			40	0.00						8.97%	9.78%	0.487%	0.874%
Wyoming	4.22%		23	0.00							0.273%	44.8%	4.05%
Nunavut	3.79%				0.968%		0.100%	0.238%	3.40%
Montana			41	0.00							0.729%	0.291%	1.69%
Maine	1.04%		20	0.00								82.9%	16.3%
North Dakota	18.3%		29	0.00									9.96%
Kentucky	7.06%		30	0.00									0.803%
Nova Scotia	45.5%								4.31%			0.376%	7.89%
Virginia	17.5%		13	4.68e+4									6.11%
Delaware			28	0.00									21.0%
Prince Edward Island													91.5%
Saskatchewan					0.919%			28.6%	8.52%			1.02%	0.695%
Mississippi	5.48%		4	2.57e+5									18.5%
West Virginia	27.1%		42	0.00									21.1%
Nebraska	5.07%		39	0.00								29.9%	30.0%
Texas	0.625%		1	7.51e+5								0.168%	8.05%
Missouri	0.407%		7	1.81e+5									5.67%
Louisiana			11	7.84e+4									0.187%
Hawaii			33	0.00					0.296%	0.586%	1.76%		0.911%
North Carolina	13.2%		5	2.18e+5									42.1%
Oregon			26	0.00						11.5%	0.302%	25.8%	0.243%
New Brunswick	7.07%								3.39%			0.324%	35.6%
Alabama	6.35%		6	1.83e+5									17.9%
New Mexico	29.5%		17	2.68e+4								3.80%	24.3%
Kansas	2.31%		15	3.92e+4							12.6%		48.2%
Wisconsin	31.1%		45	0.00	0.259%								0.247%
British Columbia					0.147%			1.12%	0.594%	2.88%	2.80%	3.66%	10.6%
Newfoundland and Labrador	9.36%					5.13%			0.109%	0.201%	1.56%
New Jersey			32	0.00								1.93%	0.357%
South Carolina			9	1.15e+5									58.8%
Michigan	8.03%		35	0.00	1.39%								0.144%
Alberta	4.20%				0.424%			0.728%	1.52%	10.5%	0.222%	1.32%	0.431%
Connecticut			36	0.00								14.6%	85.2%
Pennsylvania	14.8%		27	0.00								33.7%	0.565%
Colorado			46	0.00								17.7%	35.7%
Nevada	4.77%		44	0.00							0.344%	12.9%	76.5%
Massachusetts			49	0.00								32.8%	0.220%
Georgia	38.3%		2	5.66e+5									0.544%
New York	1.63%		25	0.00	0.690%							33.9%	0.977%
Maryland	0.239%		47	0.00									1.80%
Québec	2.89%					1.02%	2.36%	2.98%	1.97%			1.83%	1.52%
Manitoba	13.2%				0.786%		11.3%	36.2%	21.9%			0.653%	4.68%
Oklahoma	4.68%		14	4.57e+4							1.67%		0.437%
Tennessee	4.04%		8	1.55e+5									2.12%
Ontario	5.81%						28.2%	14.0%	30.5%			13.7%	0.243%
California			10	9.45e+4						0.438%	1.08%	5.44%	13.5%
Arkansas	17.2%		3	3.42e+5									25.3%
South Dakota			18	0.00							2.42%	0.851%	0.598%
Ohio			34	0.00	0.316%							1.15%	1.29%
Indiana	33.8%		24	0.00									30.9%
Minnesota	16.9%		38	0.00									11.2%
Iowa	0.441%		19	0.00									10.5%
Illinois	16.2%		51	0.00									0.259%

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