Spatial Temporal Dynamics of Urban Wetlands Around Obio/Akpor and Its Environs: Implications for Sustainable Development Goals

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@article{1702973,
      author = {Wali Elekwachi, Abdullahi Muktar, Stephen Hemba, Amadi-Wali Odinaka},
      title = {Spatial Temporal Dynamics of Urban Wetlands Around Obio/Akpor and Its Environs: Implications for Sustainable Development Goals},
      journal = {Iconic Research And Engineering Journals},
      year = {2021},
      volume = {5},
      number = {5},
      pages = {236-245},
      issn = {2456-8880},
      url = {https://www.irejournals.com/formatedpaper/1702973.pdf},
      abstract = {Wetlands ecosystem can be attributed to the lands transition between terrene and marine eco-systems where the water table is usually near the surface or the land areas that are covered by shallow water.  Wetlands are dynamic, both in space and time, and can easily shift from one ecological state to another as a result of annual and seasonal fluctuations in environmental conditions, such as variation in annual rainfall patterns. Furthermore, dynamic and fuzzy spectral boundaries between different wetland types and other land cover categories hamper long-term remote monitoring of wetlands. Therefore, this study attempts, to assess wetland dynamics with other landscape-related indicators of urbanization. The study used image interpretation for 20 epoch years in Obio-Akpor local government area (1999, 2009 and 2019) while applying remote sensing and GIS techniques for spatial and temporal analysis of the wetlands dynamics. The wetlands dynamism was analyzed using Landsat7 ETM images of 1999, 2009 and 2019. The ArcGIS10.6 software was used to analyze the remote sensed images covering the area. A total area of 259.64sq km was delineated as the study area. After processing the imagery, five LULC classes where developed inArcGIS environment, such as wetland, built-up area, vegetation, water bodies and fallow land. The study shows that the urban land-use of Obio-Akpor LGA had altered intensely during the period of 20 years. Descriptive and Inferential statistics were employed in the study. The descriptive analysis involved the use of percentages and bar charts to describe proportion, magnitudes and trend of land cover dynamics within the study area. The study concluded that there is a need for the wise use of wetland resources and improvement of institutional arrangement so that wetland policies can be fully integrated into the planning process across all disciplines?.},
      keywords = {Ecosystem, GIS, Landuse change, Remote Sensing, SDGs, Wetlands},
      month = {November},
  }