Question

Describe newbigin's scheme of floristic regions of the world and explain the Mediterranean floristic reigon

Answer 1

Floristic region, also called floristic kingdom or floral kingdom, any of six areas of the world recognized by plant geographers for their distinctive plant life. These regions, which coincide closely with the faunal regions as mapped by animal geographers, are often considered with them as biogeographic regions. The chief difference is the recognition by plant geographers of the Cape region of South Africa as a distinct major unit because of its rich flora, which includes more than 1,500 genera, 30 percent of which are native nowhere else in the world.

Fynbos in the Cape floristic region, Western Cape, South Africa.Chris Eason

The regions are: Boreal (North America, Europe, northern and central Asia, and North Africa), Palaeotropical (including African, Indo-Malaysian, and Polynesian subregions), Neotropical (South and Central America), South African, Australian, and Antarctic.

The Australian region is the most isolated, followed closely by the South American portion of the Neotropical region. Both of these areas contain a large number of unique plant species. Madagascar, long separated from Africa, is sometimes considered a separate region because of its unusual flora.

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Answer 2

Classification of the world by Newbigin into four floristic regions is given below:

Northern land

Mediterranean

Paleotropical desert

Inter tropical

Austral

Mediterranean is the floristic rich region that covers some part of continents like Europe, Asia and Africa. The region of Mediterranean is characterized by hot and dry summer and wet winter. The plant communities that are found in this region varies with change in rainfall, elevation, latitude and soils.

Scrub lands are recognizable by low and soft leaf scrubs.

Shrub lands are the most common plant community around the Mediterranean.

Grassland are usually dominated by annual long grasses which are found around Mediterranean.

Oak and pine are the dominated trees found in woodland forest.