innanhav

An inland sea, also known as an epicontinental sea or a shelf sea, is a large body of saline water that occupies a basin on the continental shelf. These seas are distinct from open oceans in that they are largely enclosed by landmasses. Historically, inland seas have played significant roles in human history, serving as important trade routes and centers of civilization. Examples include the Mediterranean Sea, the Black Sea, and the Baltic Sea.

The formation of inland seas can occur through various geological processes. Some are remnants of ancient oceans that have receded due to tectonic uplift or changes in sea level. Others are formed when continental plates rift apart, creating basins that are subsequently flooded by seawater. The water in these seas is typically brackish, a mixture of freshwater from rivers and saltwater from the ocean, though salinity can vary depending on the degree of isolation and freshwater inflow.

Inland seas often support unique ecosystems due to their sheltered nature and varying environmental conditions. They can be rich in biodiversity, providing habitats for a wide range of marine life. However, they can also be vulnerable to pollution and overfishing due to their proximity to human populations and intensive economic activities. The study of inland seas is crucial for understanding marine ecology, geological history, and the impact of human activities on coastal environments.