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<p>Traditional oases located along the banks of Wadis constitute unique agroecosystems in the arid regions of North Africa. At this scale, microclimatic conditions and management practices play important roles in structuring soil communities. In this context, the present study aimed to explore the diversity of terrestrial isopods in Wadi oases and highlight the influence of various environmental factors on the structure of these crustacean communities. Stratified sampling surveys were conducted in 2022 and 2023 across nine Wadi oases in northeastern Algeria. Based on a satisfactory sampling effort, our results revealed the presence of 13 terrestrial isopod species belonging to six genera, with <i>Porcellio</i> being the dominant one. The main factors influencing the structure of these terrestrial isopods were altitude, bioclimatic zone, vegetation composition, and the maintenance status of the oasis. To improve our understanding of the ecology and biogeography of these detritivorous crustaceans, this study paves the way for future research and surveys of terrestrial isopods in traditional oases. This calls for strengthened conservation and restoration actions in arid regions to protect endemic species and sustain ecosystem integrity in these unique ecosystems.</p>

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Diversity and community structure of terrestrial isopods in Wadi oases of northeastern Algeria

  • 期刊论文

  • 发表日期：

    2026年6月1日

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  • Imane Benchana,
  • Mehdi Badis,
  • Ali Elafri,
  • Lamia Medini-Bouaziz

摘要

Traditional oases located along the banks of Wadis constitute unique agroecosystems in the arid regions of North Africa. At this scale, microclimatic conditions and management practices play important roles in structuring soil communities. In this context, the present study aimed to explore the diversity of terrestrial isopods in Wadi oases and highlight the influence of various environmental factors on the structure of these crustacean communities. Stratified sampling surveys were conducted in 2022 and 2023 across nine Wadi oases in northeastern Algeria. Based on a satisfactory sampling effort, our results revealed the presence of 13 terrestrial isopod species belonging to six genera, with Porcellio being the dominant one. The main factors influencing the structure of these terrestrial isopods were altitude, bioclimatic zone, vegetation composition, and the maintenance status of the oasis. To improve our understanding of the ecology and biogeography of these detritivorous crustaceans, this study paves the way for future research and surveys of terrestrial isopods in traditional oases. This calls for strengthened conservation and restoration actions in arid regions to protect endemic species and sustain ecosystem integrity in these unique ecosystems.