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Data on the Land Cover Transition, Subsequent Landscape Degradation, and Improvement in Semi-Arid Rainfed Agricultural Land in North–West Tunisia

Author

Listed:
  • Zahra Shiri

    (Social, Economic, and Policy Research Team (SEPRT), International Center for Agricultural Research in the Dry Areas (ICARDA), Ariana 1004, Tunisia
    National Institute of Agronomy of Tunisia (INAT), 43, Avenue Charles Nicolle, Tunis 1082, Tunisia)

  • Aymen Frija

    (Social, Economic, and Policy Research Team (SEPRT), International Center for Agricultural Research in the Dry Areas (ICARDA), Ariana 1004, Tunisia)

  • Hichem Rejeb

    (Research Group Landscapes and Geo-Mediation, Higher Agronomic Institute of Chott-Mariem, University of Sousse, Sousse 4002, Tunisia)

  • Hassen Ouerghemmi

    (Social, Economic, and Policy Research Team (SEPRT), International Center for Agricultural Research in the Dry Areas (ICARDA), Ariana 1004, Tunisia
    National Institute of Agronomy of Tunisia (INAT), 43, Avenue Charles Nicolle, Tunis 1082, Tunisia)

  • Quang Bao Le

    (Social, Economic, and Policy Research Team (SEPRT), International Center for Agricultural Research in the Dry Areas (ICARDA), Ariana 1004, Tunisia)

Abstract

Understanding past landscape changes is crucial to promote agroecological landscape transitions. This study analyzes past land cover changes (LCCs) alongside subsequent degradation and improvements in the study area. The input land cover (LC) data were taken from ESRI’s ArcGIS Living Atlas of the World and then assessed for accuracy using ground truth data points randomly selected from high-resolution images on the Google Earth Engine. The LCC analyses were performed on QGIS 3.28.15 using the Semi-Automatic Classification Plugin (SCP) to generate LCC data. The degradation or improvement derived from the analyzed data was subsequently assessed using the UNCCD Good Practice Guidance to generate land cover degradation data. Using the Landscape Ecology Statistics (LecoS) plugin in QGIS, the input LC data were processed to provide landscape metrics. The data presented in this article show that the studied landscape is not static, even over a short-term time horizon (2017–2022). The transition from one LC class to another had an impact on the ecosystem and induced different states of degradation. For the three main LC classes (forest, crops, and rangeland) representing 98.9% of the total area in 2022, the landscape metrics, especially the number of patches, reflected a 105% increase in landscape fragmentation between 2017 and 2022.

Suggested Citation

  • Zahra Shiri & Aymen Frija & Hichem Rejeb & Hassen Ouerghemmi & Quang Bao Le, 2024. "Data on the Land Cover Transition, Subsequent Landscape Degradation, and Improvement in Semi-Arid Rainfed Agricultural Land in North–West Tunisia," Data, MDPI, vol. 9(8), pages 1-13, July.
    • Handle: RePEc:gam:jdataj:v:9:y:2024:i:8:p:96-:d:1445199
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    References listed on IDEAS

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    1. A. L. Burrell & J. P. Evans & M. G. De Kauwe, 2020. "Anthropogenic climate change has driven over 5 million km2 of drylands towards desertification," Nature Communications, Nature, vol. 11(1), pages 1-11, December.
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