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Authors Naz, F; Ahmed, M; Siddiqui, MF
Author Full Name Naz, Fariha; Ahmed, Moinuddin; Siddiqui, Muhammad Faheem
Title DESCRIPTION OF COMMUNITY TYPES FROM DIFFERENT HABITATS AROUND KARACHI, PAKISTAN
Source PAKISTAN JOURNAL OF BOTANY
Language English
Document Type Article
Author Keywords Community description; Different habitats; Stands ordination; Role of soil variables; Vegetation of Karachi
Keywords Plus PATTERN
Abstract Phytosociological sampling was conducted at six different habitats around Karachi using quadrat method. On the basis of floristic composition and dominant species, 17 community types were recognized. Maximum water holding capacity, organic matters, CaCO3, pH, TDS, salinity and conductivity of soils belong to each stand were determined. Each habitat showed different values of water holding capacity, salinity and CaCO3. Highest (44%) water holding capacity, organic matter (9%) and salinity (8.23ppm) was recorded from Tidal zone with gradual decrease in saline waterlogged area, alluvial plain to rocky plain. Highest amount of CaCO3 was recorded from rocky area. It is shown that alluvial plain to dry stream similar floristic composition i.e. Euphorbia caducifolia- Commiphora wightii- Prosopis juliflora, with Capparis decidua, Ziziphus nummularia were recorded in many sites. Stands belonged to different habitats were clearly separated out on two dimentional Bray-Curtis stand ordination. All the three ordination axes showed significant correlations with many edaphic factors. Salinity and electrical conductivity showed highly significant correlation with axes 1 and 3. Once widely distributed climatic climax species Prosopis cineraria was recorded in a few places with low Importance value index. It is concluded that due to anthropogenic disturbances and aggressive growth of Prosopis juliflora, natural vegetation has altered considerably.
Author Address [Naz, Fariha; Ahmed, Moinuddin] Fed Urdu Univ Arts Sci & Technol, Dr Moinuddin Ahmed Res Lab Dendrochronol & Plant, Dept Bot, Gulshan E Iqbal Campus, Karachi, Pakistan; [Siddiqui, Muhammad Faheem] Univ Karachi, Dept Bot, Karachi 75270, Pakistan
Reprint Address Naz, F (corresponding author), Fed Urdu Univ Arts Sci & Technol, Dr Moinuddin Ahmed Res Lab Dendrochronol & Plant, Dept Bot, Gulshan E Iqbal Campus, Karachi, Pakistan.; Siddiqui, MF (corresponding author), Univ Karachi, Dept Bot, Karachi 75270, Pakistan.
E-mail Address farihakhan_08@hotmail.com; mfsiddiqui@uok.edu.pk
Publisher PAKISTAN BOTANICAL SOC
Publisher City KARACHI
Publisher Address DEPT OF BOTANY UNIV KARACHI, 32 KARACHI, PAKISTAN
ISSN 0556-3321
29-Character Source Abbreviation PAK J BOT
ISO Source Abbreviation Pak. J. Bot.
Publication Date OCT
Year Published 2019
Volume 51
Issue 5
Beginning Page 1831
Ending Page 1838
Digital Object Identifier (DOI) 10.30848/PJB2019-5(20)
Page Count 8
Web of Science Category Plant Sciences
Subject Category Plant Sciences
Document Delivery Number IC1AV
Unique Article Identifier WOS:000470692200036
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