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A biogeographic realm is the broadest biogeographic division of Earth's land surface, based on distributional patterns of terrestrial organisms. They are subdivided into bioregions, which are further subdivided into ecoregions.
Biogeography now incorporates many different fields including but not limited to physical geography, geology, botany and plant biology, zoology, general biology, and modelling. A biogeographer's main focus is on how the environment and humans affect the distribution of species as well as other manifestations of Life such as species or genetic ...
The landforms of Earth are generally divided into physiographic regions, consisting of physiographic provinces, which in turn consist of physiographic sections, [1] [2] [3] though some others use different terminology, such as realms, regions and subregions. [4] Some areas have further categorized their respective areas into more detailed ...
Natural resource regions can be a topic of physical geography or environmental geography, but also have a strong element of human geography and economic geography. A coal region, for example, is a physical or geomorphological region, but its development and exploitation can make it into an economic and a cultural region.
Bioregion Definition Examples Approx. Scale domain A biogeographical domain is a macroecological region spanning a continent or group of continents or major bioclimatic regions, which can be used to study the dispersal of particular species. [78] "isoclimatic Mediterranean" continental or global realm
Cultural diversity – regions are a way to understand human diversity. [1] Uniform regions and formal regions share a similar definition, with formal regions being “a group of places that have similar conditions". [4] Even in formal regions, it is true that no region is completely homogeneous, as characteristics vary from place to place. [4]
Physiographic Map from "Geography of Ohio," published in 1923. During the early 1900s, the study of regional-scale geomorphology was termed "physiography". Physiography later was considered to be a portmanteau of "physical" and "geography", and therefore synonymous with physical geography, and the concept became embroiled in controversy surrounding the appropriate concerns of that discipline.
Regional geography is still taught in some universities as a study of the major regions of the world. In the Western Hemisphere, these may be cultural regions such as Northern and Latin America, or their corresponding geographic regions or continents, namely North and South America, whose "boundaries" differ significantly from the cultural regions.