There are also some special post codes: the airport has its own post code (1300), the UN (1400) and some big companies also have their own post code, for example the ORF, the Austrian National Broadcasting Service (1136).
Two different types of succession, primary and secondary, have been distinguished. Primary succession occurs in essentially lifeless areasâregions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. Secondary succession occurs in areas where a community that previously existed has...
The primary succession is important in pioneering the area to create conditions favorable for the growth of other forms of plants and animals. Compare: secondary succession. See also: ecological succession. Please contribute to this project, if you have more information about this term feel free to edit this page.n ecological succession that occurs following an opening of uninhabited, barren habitat or that occurs on an environment that is devoid of vegetation and usually lacking topsoil. Supplement.