
delta regions
Delta regions are flat, fertile areas where a river meets an ocean, sea, or lake. They form from sediment carried by the river that accumulates over time, creating new land. These regions are often rich in nutrients, making them ideal for agriculture. Deltas can have complex networks of waterways and wetlands, supporting diverse ecosystems. Examples include the Mississippi River Delta in the United States and the Nile Delta in Egypt. They are vital for ecosystems, human settlements, and agriculture but can be vulnerable to flooding and rising sea levels.