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Intensive agricultural activities near prairie wetlands may result in excessive sediment loads, which may bury seed and invertebrate egg banks that are important for maintenance and cycling of biotic communities during wet/dry cycles. Sediment-load experiments indicated that burial depths of 0.5 cm caused a 91.7% reduction in total seedling emergence and a 99.7% reduction in total invertebrate emergence. These results suggest sediment entering wetlands from agricultural erosion may hamper successional changes throughout interannual climate cycles.
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Effects of sediment load on emergence of aquatic invertebrates and plants from wetland soil egg and seed banks