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Three level I areas were not subdivided for level 2. [2] Level III subdivides the continent into 182 smaller ecoregions; of these, 104 lie partly or wholly with the United States. [1] [3] Level IV is a further subdivision of Level III ecoregions. Level IV mapping is still underway but is complete across most of the United States.
Pages in category "Ecoregions of Nebraska" The following 5 pages are in this category, out of 5 total. This list may not reflect recent changes. C. Corn Belt; H.
"Level I" divides North America into 15 broad ecoregions. "Level II" subdivides the continent into 52 smaller ecoregions. "Level III" subdivides those regions again into 182 ecoregions. [1] [2] "Level IV" is a further subdivision of Level III ecoregions. Level IV mapping is still underway but is complete across most of the United States.
Ecoregions of Nebraska (5 P) Pages in category "Regions of Nebraska" The following 8 pages are in this category, out of 8 total.
Ecoregions of North America, featuring the 50 United States, the District of Columbia and the five inhabited territories. The following is a list of ecoregions in the United States as identified by the World Wide Fund for Nature (WWF). The United States is a megadiverse country with a high level of endemism across a wide variety of ecosystems.
Nebraska has 93 counties.They are listed below by name, FIPS code and license plate prefix. Nebraska's postal abbreviation is NE and its FIPS state code is 31.. When many counties were formed, the bills establishing them did not state the honoree's full name; thus the namesakes of several counties, including Brown, Deuel, Dixon, and possibly Harlan, are known only by their surnames.
Incorporated communities in Nebraska are legally classified as cities or villages, depending on their population: [3] a village is a municipality of 100 through 800 inhabitants, whereas a city must have at least 800 inhabitants. There are 528 municipalities. Of Nebraska's 528 municipalities, 147 are cities and 381 are villages.
The highest levels of protection, as described by the International Union for Conservation of Nature (IUCN), are Level I (Strict Nature Reserves & Wilderness Areas) and Level II (National Parks). The United States maintains 12 percent of the Level I and II lands in the world. These lands had a total area of 210,000 sq mi (540,000 km 2).