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    Nov 23, 201413.108° 14.449°

    Lake Chad Narratives

    Human beings define me as a shallow and enclosed lake, but I am not like most other lakes. I’m located at the center of what they call the African continent, between sand and trees.

    Most humans think I am hidden, remote; some others live on me, on islands upon my waters. Yet others come looking for me, on motorbikes or riding camels, but they do not always find me.

    As I move people move with me. They follow me, mourn the fish that evaporate with me, or celebrate the land I leave behind, feast on it, while their fertilizing ways choke and poison the life I enhance. Humans have divided me with invisible lines, have drained me into smaller, artificial lakes. Often they fight for the water, some other times they cooperate, especially when I am gone. But they don’t see that the water is what I am, what constitutes me and those who depend on me. Without water we all cease to exist: the algae and trees, the swimming, flying, and running living beings, Lake Chad, all gone.

    (Account based on a free interpretation of data and the personal experience of Uche Okpara)

     

    Lake Chad is a shallow, endorheic lake in Central Africa, shared by Chad, Niger, Nigeria, and Cameroon. “It is located between 12° and 14° 20 N, 13° and 15° 20 E. The sailing area is situated at the altitude of 283 m.”1 The lake is “a transition zone between the Sahara Desert to the north, and savannahs and woodlands to the south.”2

    “It displays three major types of landscape:

    • Many islands located in the eastern bank, which match the emerged summit of immerged erg dunes.
    • Rooted or floating vegetation islands called bench islands (mostly Cyperus papyrus and water reeds).
    • Areas of open water.”3

    “According to climate fluctuations, Lake Chad occupies part or whole of the endorheic basin estimated at 25,000 km2. [. . .] Presently, feeding basins are Chari and Logone, which are located in the southern part of the basin and only stand for 25% of the whole size of the basin.”4

    “Severe droughts since the 1970s have decreased lake levels so that it is now extremely shallow and divided into northern and southern pools.”5

    “Inefficient damming and irrigation methods on the part of the countries bordering the lake are partly responsible for its shrinkage.”6

    “This ecoregion has highest biological importance for the large numbers of migrant birds that use the area [. . ..] The bird life is threatened by decreasing water levels. [. . .] The semi-arid Sahel savanna supports relatively few mammal species, and their population numbers tend to be low. However, the wetlands of Lake Chad and the Hadejia-Nguru wetlands formerly attracted a higher diversity and abundance of mammals. [. . .] Large fish migrations correspond with seasonal inputs. [. . .] The non-migratory fish have developed adaptations to survive extended drought periods, such as air breathing or aestivating in a mucous cocoon or egg.”7

    Current threats:

    • Climate change8
    • Agricultural practices: excessive irrigation, slash-and-burn techniques,9 use of pesticides.10
    • Terrorism (Boko Haram) as a threat to social security, stability, and cooperation.11