Geographical Distribution Journal

 The geographical distribution of species and genera is stated, generally by political units: country, and in most cases by the subsequent lower unit, e.g. province. Usually the natural geographical distribution is stated, naturalised and cultivated distribution is given given that the natural distribution is unknown or obscurely known. Altitudinal distribution is stated if known, especially for montane bamboos. Data on habitat and ecology are often not available but if so, they're going to be summarised.   The geographical distribution mustn't be interpreted without considering the relevant classification. Especially for genera, it must be kept in mind whether a specific genus had been recently revised or still awaits revision. within the latter case, which applies very often, the geographical distribution is just provisional. It should even be taken under consideration whether a specific genus or species is narrowly defined or not. Genera and species could also be differently circumscribed by various authors, thus the pattern of distribution may vary. Geographical distribution of pests is principally supported climatic factors. Population dynamics of pests are influenced by biotic and abiotic factors. Seasonal periodical incidence and outbreaks are ascribed to congenial climate either directly or indirectly through quantity and quality of food crops. The impact of assorted weather components on pests is location and crop specific. If the occurrence of pests in time and space are often predicted before with reasonable accuracy on the premise of relevant weather parameters, appropriate and timely control measures will be programmed and adopted, thus minimizing crop losses. Hence, insect pest forewarning systems play a serious role in IPM and also the sustenance of agricultural production at desired levels.

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