Pour former les bassins nécessaires aux centrales à réservoir, il faut inonder des
territoires. Cela entraîne la destruction de la flore en place et sa décomposition par divers
organismes. Ainsi, au cours des années qui suivent la mise en fonction d'une centrale
hydroélectrique à réservoir, les organismes décomposeurs émettent dans l'atmosphère,
tout comme la matière qu'ils décomposent, du dioxyde de carbone. Quelles sont les
principales conséquences d'une telle inondation sur l'environnement ?

Answers

Answer 1

Les principales conséquences d'une inondation causée par la formation des bassins nécessaires aux centrales à réservoir sur l'environnement sont les suivantes.

Quelles sont les conséquences?

L'inondation entraîne la destruction de l'habitat naturel, y compris la flore en place, les écosystèmes terrestres et aquatiques, ainsi que la faune qui y vit. Cela peut avoir un impact négatif sur la biodiversité locale. L'inondation modifie les écosystèmes existants, perturbant les interactions entre les différentes espèces et provoquant des changements dans la chaîne alimentaire. Certaines espèces peuvent être déplacées ou disparaître en raison de l'inondation.

La décomposition de la matière organique submergée par l'inondation par les organismes décomposeurs libère du dioxyde de carbone dans l'atmosphère. Cela contribue aux émissions de gaz à effet de serre, aggravant le problème du changement climatique. L'inondation peut également entraîner la perte de terres agricoles productives, ce qui peut avoir un impact sur la sécurité alimentaire et l'économie locale.

En savoir plus sur biodiversité ici:

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