"Sahara pump theory" meaning in English

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        "A hypothesis that explains the manner in which flora and fauna migrated between Eurasia and Africa using a land bridge in the Levant region, based on the idea that there were periods of abundant rainfall lasting thousands of years in Africa and associated with a \"wet-green Sahara\" phase, during which larger lakes and more rivers existed."
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        [
          "flora",
          "flora"
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        [
          "fauna",
          "fauna"
        ],
        [
          "migrate",
          "migrate"
        ],
        [
          "Eurasia",
          "Eurasia"
        ],
        [
          "Africa",
          "Africa"
        ],
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          "land bridge",
          "land bridge"
        ],
        [
          "Levant",
          "Levant"
        ],
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          "abundant",
          "abundant"
        ],
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          "rainfall",
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        "(biology, paleontology) A hypothesis that explains the manner in which flora and fauna migrated between Eurasia and Africa using a land bridge in the Levant region, based on the idea that there were periods of abundant rainfall lasting thousands of years in Africa and associated with a \"wet-green Sahara\" phase, during which larger lakes and more rivers existed."
      ],
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        "A hypothesis that explains the manner in which flora and fauna migrated between Eurasia and Africa using a land bridge in the Levant region, based on the idea that there were periods of abundant rainfall lasting thousands of years in Africa and associated with a \"wet-green Sahara\" phase, during which larger lakes and more rivers existed."
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          "biology",
          "biology"
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          "paleontology"
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        [
          "flora",
          "flora"
        ],
        [
          "fauna",
          "fauna"
        ],
        [
          "migrate",
          "migrate"
        ],
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          "Eurasia",
          "Eurasia"
        ],
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          "Africa",
          "Africa"
        ],
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          "land bridge",
          "land bridge"
        ],
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          "Levant",
          "Levant"
        ],
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          "abundant",
          "abundant"
        ],
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          "rainfall",
          "rainfall"
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        "(biology, paleontology) A hypothesis that explains the manner in which flora and fauna migrated between Eurasia and Africa using a land bridge in the Levant region, based on the idea that there were periods of abundant rainfall lasting thousands of years in Africa and associated with a \"wet-green Sahara\" phase, during which larger lakes and more rivers existed."
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