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Remote Sensing Based Analysis of Land Use/Cover Change Impact in the Interface Between Magamba Nature Reserve and Surrounding Villages in Lushoto District, Tanzania

Received: 11 November 2020    Accepted: 26 November 2020    Published: 3 March 2021
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Abstract

Several studies in Tanzania focus on land use/cover change (LULC) at coarse scale and without considering the adjoining (interface) landscapes i.e. landscape link community farming systems and forest/nature reserves. In the Eastern Arc Mountains in particular, LULC change that confront the interface between surrounding community landscape and nature reserves and the associated livelihood are not well understood. A study was conducted in the Usambara Mountains, Tanzania to explore the potential impacts of LULC on the interface between Magamba Nature Reserve (MNR) and the landscape of the surrounding community villages. Remote sensing and GIS techniques were used to quantify and analyse the trend in LULC changes over the past 31 years whereby satellite images of 1984, 1995 and 2015 were used. Household surveys, field observations and focus group discussions to 72 households in 3 villages surrounding the nature reserve were employed to capture data on human activities in the interface. The change detection was done by post classification approach using image interpreter| GIS analysis| matrix tool in QGIS software and processed in an intensity analysis program (Pontius matrix excel sheet). Descriptive statistical analysis (frequency counts and percentages) was used to explain human activities of communities adjacent to the MNR. Qualitative data were analysed using content and structural functional analytical techniques. Over the period (1984-2015) natural forest covering the major part of reserve decreased by 14%. The declining trend for forests in the study area is largely attributed to the increasing agricultural activities, settlements and infrastructure. Results revealed further that natural forest area and wetlands had active intensity of gain over the period 1984-1995 while in the 1995-2015 period had active intensity of loss. The most common human activities related to the spatial and temporal dynamics of LULC change in the MNR interface were firewood collection for household use, collection of medicinal plants, illegal timber harvesting, animal grazing, cutting trees for building poles and charcoal burning. Firewood collection is the most important human activity associated with forest degradation in MNR interface. Collection of medicinal plants from the reserve is associated with forest destructive process in the sense that it involves uprooting plants, root cutting, and tree ring debarking. The study recommends that policy makers as well as nongovernmental organizations should identify and establish potential low cost alternative sources of energy for usage by rural domestic household. Further research to predict and map spatial and temporal LULC dynamics at landscape scale should consider future scenarios on the evolution of forest-rural landscape interfaces and their impact on the provisioning of ecosystem services (ESS).

Published in American Journal of Environmental Protection (Volume 10, Issue 1)
DOI 10.11648/j.ajep.20211001.11
Page(s) 1-11
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This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Land Use/Cover, Magamba Nature Reserve Interface, Remote Sensing and GIS Techniques, Usambara Mountains, Tanzania

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    Oforo Didas Kimaro, Simon Chidodo. (2021). Remote Sensing Based Analysis of Land Use/Cover Change Impact in the Interface Between Magamba Nature Reserve and Surrounding Villages in Lushoto District, Tanzania. American Journal of Environmental Protection, 10(1), 1-11. https://doi.org/10.11648/j.ajep.20211001.11

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    Oforo Didas Kimaro; Simon Chidodo. Remote Sensing Based Analysis of Land Use/Cover Change Impact in the Interface Between Magamba Nature Reserve and Surrounding Villages in Lushoto District, Tanzania. Am. J. Environ. Prot. 2021, 10(1), 1-11. doi: 10.11648/j.ajep.20211001.11

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    Oforo Didas Kimaro, Simon Chidodo. Remote Sensing Based Analysis of Land Use/Cover Change Impact in the Interface Between Magamba Nature Reserve and Surrounding Villages in Lushoto District, Tanzania. Am J Environ Prot. 2021;10(1):1-11. doi: 10.11648/j.ajep.20211001.11

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  • @article{10.11648/j.ajep.20211001.11,
      author = {Oforo Didas Kimaro and Simon Chidodo},
      title = {Remote Sensing Based Analysis of Land Use/Cover Change Impact in the Interface Between Magamba Nature Reserve and Surrounding Villages in Lushoto District, Tanzania},
      journal = {American Journal of Environmental Protection},
      volume = {10},
      number = {1},
      pages = {1-11},
      doi = {10.11648/j.ajep.20211001.11},
      url = {https://doi.org/10.11648/j.ajep.20211001.11},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajep.20211001.11},
      abstract = {Several studies in Tanzania focus on land use/cover change (LULC) at coarse scale and without considering the adjoining (interface) landscapes i.e. landscape link community farming systems and forest/nature reserves. In the Eastern Arc Mountains in particular, LULC change that confront the interface between surrounding community landscape and nature reserves and the associated livelihood are not well understood. A study was conducted in the Usambara Mountains, Tanzania to explore the potential impacts of LULC on the interface between Magamba Nature Reserve (MNR) and the landscape of the surrounding community villages. Remote sensing and GIS techniques were used to quantify and analyse the trend in LULC changes over the past 31 years whereby satellite images of 1984, 1995 and 2015 were used. Household surveys, field observations and focus group discussions to 72 households in 3 villages surrounding the nature reserve were employed to capture data on human activities in the interface. The change detection was done by post classification approach using image interpreter| GIS analysis| matrix tool in QGIS software and processed in an intensity analysis program (Pontius matrix excel sheet). Descriptive statistical analysis (frequency counts and percentages) was used to explain human activities of communities adjacent to the MNR. Qualitative data were analysed using content and structural functional analytical techniques. Over the period (1984-2015) natural forest covering the major part of reserve decreased by 14%. The declining trend for forests in the study area is largely attributed to the increasing agricultural activities, settlements and infrastructure. Results revealed further that natural forest area and wetlands had active intensity of gain over the period 1984-1995 while in the 1995-2015 period had active intensity of loss. The most common human activities related to the spatial and temporal dynamics of LULC change in the MNR interface were firewood collection for household use, collection of medicinal plants, illegal timber harvesting, animal grazing, cutting trees for building poles and charcoal burning. Firewood collection is the most important human activity associated with forest degradation in MNR interface. Collection of medicinal plants from the reserve is associated with forest destructive process in the sense that it involves uprooting plants, root cutting, and tree ring debarking. The study recommends that policy makers as well as nongovernmental organizations should identify and establish potential low cost alternative sources of energy for usage by rural domestic household. Further research to predict and map spatial and temporal LULC dynamics at landscape scale should consider future scenarios on the evolution of forest-rural landscape interfaces and their impact on the provisioning of ecosystem services (ESS).},
     year = {2021}
    }
    

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  • TY  - JOUR
    T1  - Remote Sensing Based Analysis of Land Use/Cover Change Impact in the Interface Between Magamba Nature Reserve and Surrounding Villages in Lushoto District, Tanzania
    AU  - Oforo Didas Kimaro
    AU  - Simon Chidodo
    Y1  - 2021/03/03
    PY  - 2021
    N1  - https://doi.org/10.11648/j.ajep.20211001.11
    DO  - 10.11648/j.ajep.20211001.11
    T2  - American Journal of Environmental Protection
    JF  - American Journal of Environmental Protection
    JO  - American Journal of Environmental Protection
    SP  - 1
    EP  - 11
    PB  - Science Publishing Group
    SN  - 2328-5699
    UR  - https://doi.org/10.11648/j.ajep.20211001.11
    AB  - Several studies in Tanzania focus on land use/cover change (LULC) at coarse scale and without considering the adjoining (interface) landscapes i.e. landscape link community farming systems and forest/nature reserves. In the Eastern Arc Mountains in particular, LULC change that confront the interface between surrounding community landscape and nature reserves and the associated livelihood are not well understood. A study was conducted in the Usambara Mountains, Tanzania to explore the potential impacts of LULC on the interface between Magamba Nature Reserve (MNR) and the landscape of the surrounding community villages. Remote sensing and GIS techniques were used to quantify and analyse the trend in LULC changes over the past 31 years whereby satellite images of 1984, 1995 and 2015 were used. Household surveys, field observations and focus group discussions to 72 households in 3 villages surrounding the nature reserve were employed to capture data on human activities in the interface. The change detection was done by post classification approach using image interpreter| GIS analysis| matrix tool in QGIS software and processed in an intensity analysis program (Pontius matrix excel sheet). Descriptive statistical analysis (frequency counts and percentages) was used to explain human activities of communities adjacent to the MNR. Qualitative data were analysed using content and structural functional analytical techniques. Over the period (1984-2015) natural forest covering the major part of reserve decreased by 14%. The declining trend for forests in the study area is largely attributed to the increasing agricultural activities, settlements and infrastructure. Results revealed further that natural forest area and wetlands had active intensity of gain over the period 1984-1995 while in the 1995-2015 period had active intensity of loss. The most common human activities related to the spatial and temporal dynamics of LULC change in the MNR interface were firewood collection for household use, collection of medicinal plants, illegal timber harvesting, animal grazing, cutting trees for building poles and charcoal burning. Firewood collection is the most important human activity associated with forest degradation in MNR interface. Collection of medicinal plants from the reserve is associated with forest destructive process in the sense that it involves uprooting plants, root cutting, and tree ring debarking. The study recommends that policy makers as well as nongovernmental organizations should identify and establish potential low cost alternative sources of energy for usage by rural domestic household. Further research to predict and map spatial and temporal LULC dynamics at landscape scale should consider future scenarios on the evolution of forest-rural landscape interfaces and their impact on the provisioning of ecosystem services (ESS).
    VL  - 10
    IS  - 1
    ER  - 

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Author Information
  • Department of Agriculture, Earth and Environmental Science, Mwenge Catholic University, Moshi, Tanzania

  • Department of Ecotourism and Nature Conservation, Sebastian Kolowa Memorial University, Lushoto-Tanga, Tanzania

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