A Comparative Assessment of Orchards Distribution in Urban and Peri-Urban Agriculture Zones in Karachi Through RS/GIS Techniques: (2005-2023)

Amrin Hina khan; Anila Kausar; Shabana Bano

Authors

Amrin Hina khan Karachi university
Anila Kausar Karachi University
Shabana Bano NED University

Keywords:

Orchard Farming, Population Growth, Temporal Change, Remote Sensing, GIS Techniques

Abstract

Orchard farming plays a crucial role in the urban ecosystem, contributing to biodiversity and offering opportunities for organic waste reprocessing and natural resource conservation. It holds significant economic and cultural value, enhancing the urban environment. This research on orchard distribution in Karachi provides insights that can guide sustainable development, infrastructure planning, environmental protection, and policy-making. The study employs advanced remote sensing and GIS techniques to monitor and analyze changes in orchards over time. Satellite images from Google Earth Pro were utilized to detect temporal changes, with a comparative assessment of agricultural land use between 2005 and 2023. ArcGIS software was used for digitization, revealing that most orchards in Karachi are concentrated in the peripheral areas along the Malir River, predominantly consisting of sapodilla, papaya, and guava trees. These orchards contribute to sustenance, employment, and environmental improvement. However, digitization has uncovered significant changes, including the transformation of some orchard lands into industrial and built-up areas. The data generated from this process can inform sustainable land management decisions for urban agricultural areas in developing nations.

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