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 پایگاه استنادی علوم جهان اسلام (ISC)

پایگاه اطلاعات جهاد دانشگاهی (SID) 



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:: Volume 20, Issue 3 (2021) ::
IJFS 2021, 20 Back to browse issues page
Research Article: A GIS based analysis of essential habitat for six commonly caught species in coastal creeks of Sindh, Pakistan
F. Sarwar * , J.H. Kazmi , S. Shaikh
Department of Geography, 54590, Lahore, Pakistan , faizasarwar.87@gmail.com
Abstract:   (2204 Views)
This study was carried out to evaluate natural resources of some Indus creeks using geospatial technologies. The first phase of the study was a detailed monthly water quality and fish stock survey for one year along with associated environmental observations, which was analysed via Landsat 8 imagery for 2014. In the second phase of the study, appropriate indicators were selected in weighted overlay on ArcGIS platform to perform creek productivity analysis. For this purpose, 13 creeks of Indus delta were selected for detailed analysis. These creeks were chosen using GIS techniques based on accessibility, depth and size. Results obtained from a total number of 65,085 fish catch from 252 identified fisheries important species in which 134 species were estuarine, 107 species marine and 11 species belonged to freshwater. Out of these, six species of Penaeus indicus, Pennahia anea, Stolephorus indicus, Escualosa thoracata, Charybdis sp. and Acanthopagrus arabicus were selected for spatial distribution analysis. It is observed that creeks of west of Jhang River known as Issaro, Waddi Khuddi, Patiani, Mal, Dabbo, Chann, Richhal had higher fish abundance and species richness than those of eastern creeks. The important fisheries species showed strong correlation with mangroves, salinity and temperatures. This study indicated that all parameters were strongly dependent on anthropogenic interventions at the study area and these activities seriously affected fish catch and growth of species mainly because of recent environmental changes. It has been revealed from the creek productivity analysis that the study area is still highly productive and intact as an ecological unit.
Keywords: Geoinformatics, Fish stock, Weighted overlay, Creek productivity, Anthropogenic activities
Full-Text [PDF 1259 kb]   (1293 Downloads)    
Type of Study: Orginal research papers | Subject: Stock assessment
Received: 2014/03/9 | Accepted: 2015/05/27 | Published: 2021/05/20
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Sarwar F, Kazmi J, Shaikh S. Research Article: A GIS based analysis of essential habitat for six commonly caught species in coastal creeks of Sindh, Pakistan. IJFS 2021; 20 (3) :789-809
URL: http://jifro.ir/article-1-1390-en.html


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Volume 20, Issue 3 (2021) Back to browse issues page
Iranian Journal of Fisheries Sciences Iranian Journal of Fisheries Sciences
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