By K. S. S. Nair
Tropical wooded area Insect Pests promotes a greater theoretical realizing of pest inhabitants dynamics, and reasons of wooded area insect outbreaks within the tropics. protecting pests of either ordinary forests and plantations, it examines the range of tropical woodland bugs; their ecological services; the concept that of pests; and the prevalence of pests in typical forests, plantations, and kept trees. common concerns on which foresters and woodland entomologists carry robust conventional perspectives, similar to the severity of pest prevalence in plantations vs. usual forests, in plantations of exotics vs. indigenous tree species, and in monocultures vs. combined plantations are mentioned. the ultimate part seems to be intimately at particular insect pests of the typical plantation tree species around the tropics, with thoughts for his or her regulate. it is a complete source appropriate for graduate scholars and researchers in forestry and tropical woodland entomology, and for woodland plantation managers within the tropics.
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Extra info for Tropical Forest Insect Pests: Ecology, Impact, and Management
Sample text
Spices: India is the legendary home for various spices used across the world. Most of the spices come from the forests. Heartwood extractives: Several valuable products are extracted from the heartwood of certain trees. Examples are ‘katha’ and ‘kutch’ from Acacia catechu, which are used as masticatory, and teak heartwood oil used against hoof disease in cattle. , possibly when infected by a disease of unknown etiology. Tassar silk and lac: Tassar silk is produced from the cocoons of tassar silk moth collected from natural forests.
Map of the distribution of three phases of canopy development on a 10 ha block of tropical evergreen forest at Pothumala in Nelliampathy Forest Range, Kerala, India. The gap size varied from 86 – 665 m2. A natural forest is a mosaic of patches in these three phases of development. Courtesy: U. M. Chandrashekara, Kerala Forest Research Institute. forest, upper and lower montane rain forest, heath forest, mangrove forest, peat swamp forest, semi-evergreen rain forest, moist deciduous forest etc. For a detailed description of the various tropical forest formations the reader is referred to Whitmore (1984).
A few multinational companies dominate this business and they have increasingly looked to the tropics for a cheap supply of the raw material. As noted earlier, aided by huge loans and other incentives, massive industrial-scale monocultures of fast growing species suitable for pulpwood have been established in several countries like Indonesia and Brazil, after cutting down the species-rich natural rain forests. These large-scale planting programmes, usually with exotic species, have altered the landscape in many tropical countries and deprived the indigenous human populations of their livelihood sources of food, firewood, fruits, medicines etc.