Open sea
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The document summarizes key information about the open sea. It describes how the world's ocean is made up of three major basins that cover over 360 million square kilometers. It then outlines distinguishing characteristics of the ocean like salinity, waves, tides, depth and vastness. Finally, it discusses the different zones of the ocean from the littoral zone at the surface to the deepest hadal zone at the bottom and some threats facing the open sea.
Open sea
- 1. Open Sea Chez Nicole Dullano Alexandria Rabanes
- 2. The world ocean covers over 360 million km2 of the earths surface and consists of one continuous, interconnected mass of water. This water is spread among three major ocean basins: Pacific Atlantic Indian
- 3. Distinguishing Characteristics: Salinity Waves Tides Depth Vastness
- 4. Benthic Pelagic Habitats on These are the bottom those found of the on the ocean, and bottom, other regardless of aquatic the depth. organisms.
- 5. Structure The oceans can be divided into several vertical and Littoral or horizontal zones. intertidal zone Neritic zone Oceanic zone
- 7. The ocean is generally divided vertically into Bathypelagic several depth zones Zone Mesopelagic Zone Epipelagic Zone
- 9. Abyssal Hadal Zone Zone This is It is the layer from where the deepest 4,000 to parts of the 6,000 m. ocean belongs.
- 11. Abiotic Factors Temperature Light Pressure Oxygen Salinity Water movement Visibility
- 13. Phytoplanktons
- 14. Zooplanktons
- 15. Nanoplanktons
- 16. Nekton
- 19. Oil spills
- 21. Human occupancy and recreational use of the shores
- 22. Over fishing
- 23. Dumping grounds