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The Declination Of Lake Sturgeons

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Another factor contributing to the declination of Lake Sturgeons is the destruction of their habitat through pollution. Although the Great Lakes Protection Act is in effect, the connecting rivers are the main contributing source of pollution in the Great Lakes (8). Pollution levels are higher in the rivers than they are in the Great Lakes because the main sources of pollution are located near large rivers. For example, the erosion of clay and silt from agricultural land frequently ends up in the rivers by rain or wind (8). This results in sedimentation. High amounts of sediments in the water bury aquatic habitats and reduce water quality. The gravel that Lake Sturgeons like to spawn in is degraded by sedimentation. Another source of pollution
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