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A thorn forest is a dense scrubland with vegetation characteristic of dry subtropical and warm temperate areas with a seasonal rainfall averaging 250 to 500 mm (9.8 to 19.7 in). Regions [ edit ]
Today the remaining forest is mostly southern tropical thorn scrub, [3] and also includes patches of the original vegetation, tropical dry deciduous forests. [1]Southern tropical thorn scrub forests consist of open, low vegetation with thorny trees with short trunks and low, branching crowns that rarely meet to form a closed canopy.
The name "Caatinga" comes from the Tupi word ka'atinga, meaning "white forest" or "white vegetation" (ka'a = forest, vegetation, tinga = white). The Caatinga is a xeric shrubland and thorn forest , which consists primarily of small, thorny trees that shed their leaves seasonally.
The thorn scrub forests are thought to be tropical dry forests that have been degraded through intensive agriculture and grazing into stunted and open thorn scrub, dominated by trees such as Acacia senegal and Acacia leucophloea, as well as Prosopis cineraria, Capparis zeylanica, Cinnamomum cassia, Durio zibethinus, Artocarpus heterophyllus, Ficus benghalensis, Gnetum gnemon, Mangifera indica ...
Mount Abu is covered in dry deciduous forest with conifers at the highest elevations. Thorn scrub forests, characterized by Euphorbia caducifolia , Maytenus emarginata , Acacia senegal , Commiphora mukul , Wrightia tinctoria , Flueggea leucopyrus , Grewia species, occur on rocky Aravalli hillsides and in degraded areas.
The sanctuary is forested, but with grassy hill slopes. The forests are southern dry mixed deciduous and southern thorn forest. Protection from grazing and forest fire has resulted in good regeneration of dry deciduous species. The forest department introduced many plants in the area, including Tamarind, Neem, Nilgiri, Acacia, Agave, and Khair. [4]
Thorn forest, a dense forest of low stature with a high frequency of thorny or spiny species, is found where drought is prolonged, and especially where grazing animals are plentiful. On very poor soils, and especially where fire or herbivory are recurrent phenomena, savannas develop.
The natural vegetation is thorn forest. This region is characterised by discontinuous vegetation cover with open areas of bare soil and soil-water deficit throughout the year. Thorny shrubs, grasses and some bamboos are present in some regions. A few species of xerophytic herbs and some ephemeral herbs are found in this semi-arid tract.