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It can be seen that a larger island close to the mainland has the most species richness and a smaller one far from the mainland has the least. The rate of extinction once a species manages to colonize an island is affected by island size; this is the species-area curve or effect. Larger islands contain larger habitat areas and opportunities for ...
Penang [a] is a Malaysian state located on the northwest coast of Peninsular Malaysia along the Strait of Malacca. It has two parts: Penang Island, where the capital city, George Town, is located, and Seberang Perai on the Malay Peninsula. These two halves are physically connected by the Penang Bridge and the Second Penang Bridge.
1886 map of Indochina, from the Scottish Geographical Magazine. In Indian sources, the earliest name connected with Southeast Asia is Yāvadvīpa []. [1] Another possible early name of mainland Southeast Asia was Suvarṇabhūmi ("land of gold"), [1] [2] a toponym, that appears in many ancient Indian literary sources and Buddhist texts, [3] but which, along with Suvarṇadvīpa ("island" or ...
The terms Island Southeast Asia and Insular Southeast Asia are sometimes given the same meaning as Maritime Southeast Asia. [ a ] Other definitions restrict Island Southeast Asia to just the islands between mainland Southeast Asia and the continental shelf of Australia and New Guinea.
As a result, island ecosystems comprise 30% of the world’s biodiversity hotspots, 50% of marine tropical diversity, and some of the most unusual and rare species. [2] Many species still remain unknown. The diversity of species on islands is highly impacted by human activities such as deforestation and introduction of the exotic species.
It is located off the western coast of Peninsular Malaysia by the Malacca Strait, with the Penang Strait separating the island from Seberang Perai on the mainland. The 295 km 2 (114 sq mi) island makes up approximately 28% of Penang's total land mass and is home to about 45% of the state's population as of 2020. [1]
The Theory of Island Biogeography has its roots in Wilson's work on the ants of Melanesia.MacArthur synthesized Wilson's ideas about competition, colonization and equilibrium into a simple graphical representation of immigration and extinction curves, from which one can determine the equilibrial species number on an island. [3]
The mainland serow occurs in central and southern China, India, Vietnam, Cambodia, Laos, Myanmar, Thailand, and in the Indonesian island of Sumatra. [3] In Assam , it inhabits hilly forests above an elevation of 300 m (980 ft), but descends to 100 m (330 ft) in winter. [ 11 ]