The
Enigma of the Black Caiman
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Documentary Director
: Luc Riolon see
trailer |
Inaccessible and hence unspoiled by human presence, the Kaw
Swamp in French Guiana remains an ecological mystery. Next to nothing
is known of its fauna, its flora or its waters, lying stagnant for thousands
of years.
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The swamp appears to be one of the last sanctuaries
for the black caiman. Specimens measuring over five metres long
have been reported there. Yet the swamp water, being poorly oxygenated and rich in carbon dioxide, would not seem a very favourable environment for life to flourish. Scientists are faced with a real enigma. How indeed can you explain the presence and survival of these enormous caimans, the ultimate predators, without any apparent trace of plankton, the first indispensable link in the food chain, which determines the presence of all life in the swamp? |
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