SPATIAL PATTERN OF VARIATION IN POPULATIONS OF ACACIA NILOTICA IN SEMI-ARID ENVIRONMENT

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MAHMOOD S.; AHMED A.; ATHAR M.; HUSSAIN A.

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Journal Paper

Paper Information

Journal: INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST) Year:2005 | Volume:2 | Issue:3 Page(s): 193-199

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Information Journal Paper

Title

SPATIAL PATTERN OF VARIATION IN POPULATIONS OF ACACIA NILOTICA IN SEMI-ARID ENVIRONMENT

Author(s)

MAHMOOD S. | AHMED A. | ATHAR M. | HUSSAIN A. | Issue Writer Certificate

Keywords

ACACIA NILOTICA

SPATIAL PATTERN

POPULATION VARIATION

ENVIRONMENTAL ADAPTATIONS

Abstract

Variability among populations was analyzed in five provenances of ACACIA NILOTICA from spatially variable habitats. Populations of A. nilotica developed in response to their habitat conditions. The level of variability was significantly high among the populations. Phenotypic variability was extremely high for leaf and stipular spine characteristics. The nature of morphological variability for vegetative traits appeared environmentally controlled. The differentiation of leaf and stipular spine expression seems to have an adaptive significance for the species in terms of water economy. Although, seed and pod characteristics are genetically controlled showing a lower proportion of variability but these traits supported r and k-selection that may allow the species to survive under a wide array of contrasting habitats. The study suggested that populations of A. nilotica are differentiated in relation to the heterogeneity of environment. These populations became adapted to their habitat through the variability of morphological expressions. The morphologically differentiated populations of the species had allowed them to maintain themselves in a wide array of environmental situations enabling A. nilotica to occupy ample ecological ranges.

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APA: Copy

MAHMOOD, S., AHMED, A., ATHAR, M., & HUSSAIN, A.. (2005). SPATIAL PATTERN OF VARIATION IN POPULATIONS OF ACACIA NILOTICA IN SEMI-ARID ENVIRONMENT. INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST), 2(3), 193-199. SID. https://sid.ir/paper/284927/en

Vancouver: Copy

MAHMOOD S., AHMED A., ATHAR M., HUSSAIN A.. SPATIAL PATTERN OF VARIATION IN POPULATIONS OF ACACIA NILOTICA IN SEMI-ARID ENVIRONMENT. INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST)[Internet]. 2005;2(3):193-199. Available from: https://sid.ir/paper/284927/en

IEEE: Copy

S. MAHMOOD, A. AHMED, M. ATHAR, and A. HUSSAIN, “SPATIAL PATTERN OF VARIATION IN POPULATIONS OF ACACIA NILOTICA IN SEMI-ARID ENVIRONMENT,” INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST), vol. 2, no. 3, pp. 193–199, 2005, [Online]. Available: https://sid.ir/paper/284927/en

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