词条 | List of ecoregions in Indiana | ||||||||||||||||
释义 |
The list of ecoregions in Indiana are listings of terrestrial ecoregions (see also, ecosystem) in the United States' State of Indiana, as defined separately by the United States Environmental Protection Agency (USEPA), and the World Wildlife Fund. USEPAThe USEPA ecoregion classification system has four levels, but only Levels I, III, and IV are shown on this list. Level I divides North America into 15 broad ecoregions (or biomes). Indiana is within the Eastern Temperate Forest environment, Level I region. Level IV ecoregions (denoted by numbers and letters) are a further subdivision of Level III ecoregions (denoted by numbers alone).[1][2][3]
World Wildlife Fund
References1. ^{{cite web | publisher=Commission for Environmental Cooperation | title=Ecological Regions of North America: Toward a Common Perspective | url=http://www3.cec.org/islandora/en/item/1701-ecological-regions-north-america-toward-common-perspective | year=1997 | accessdate=2013-04-07 }} 2. ^Plant Maps Interactive - Indiana Ecoregions (based on EPA data), retrieved 2013-04-07 3. ^Ecoregions of Indiana and Ohio USEPA
See also
5 : Ecoregions of the United States|United States science-related lists|Indiana geography-related lists|Environment of Indiana|Lists of ecoregions |
||||||||||||||||
随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识,基本涵盖了大多数领域的百科知识,是一部内容自由、开放的电子版国际百科全书。