摘要: Moisture content, bulk density, and organic content of surficial sediments wereestimated with a penetrometer in Navigation Pools 4 and 8 of the Upper Mississippi River during 1994 and 1995. As a whole, sediment in off-channel habi... 展开 Moisture content, bulk density, and organic content of surficial sediments wereestimated with a penetrometer in Navigation Pools 4 and 8 of the Upper Mississippi River during 1994 and 1995. As a whole, sediment in off-channel habitats in Pools 4 and 8 had low moisture content, which suggests either small inputs of fine sediment or efficient transport of fine sediment through the off-channel habitats. 收起