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Sea mark. A sea mark, also seamark and navigation mark, is a form of aid to navigation and pilotage that identifies the approximate position of a maritime channel, hazard, or administrative area to allow boats, ships, and seaplanes to navigate safely. There are three types of sea mark: beacons fixed to the seabed or on shore, towers (sometimes ...
Marine vertebrates are vertebrates that live in marine environments. These are the marine fish and the marine tetrapods (primarily seabirds, marine reptiles, and marine mammals ). Vertebrates are a subphylum of chordates that have a vertebral column (backbone). The vertebral column provides the central support structure for an internal skeleton ...
Marine life, sea life, or ocean life is the plants, animals, and other organisms that live in the salt water of seas or oceans, or the brackish water of coastal estuaries. At a fundamental level, marine life affects the nature of the planet. Marine organisms, mostly microorganisms, produce oxygen and sequester carbon.
The New York–New Jersey Harbor Estuary has a variety of flora and fauna. Much of the harbor originally consisted of tidal marshes that have been dramatically transformed by the development of port facilities. [1] The estuary itself supports a great variety of thriving estuarine aquatic species; contrary to popular stereotypes, New York Harbor ...
450,000 (2012) Website. www .aquarium .org. The Oregon Coast Aquarium is an aquarium in Newport in the U.S. state of Oregon. Opened in 1992, the facility sits on 23 acres (9.3 ha) along Yaquina Bay near the Pacific Ocean. The aquarium was home to Keiko, the orca who starred in the movie Free Willy, from January 7, 1996, until September 9, 1998 ...
Kyrikon) is a Croatian island in the northern Adriatic Sea, located near Rijeka in the Bay of Kvarner and part of Primorje-Gorski Kotar county. Krk is tied with Cres as the largest Adriatic island, depending on the methodology used to measure the coastline. [2] Krk is the most populous island in the Adriatic, with multiple towns and villages ...
OpenSeaMap is a software project collecting freely usable nautical information and geospatial data to create a worldwide nautical chart. This chart is available on the OpenSeaMap website, and can also be downloaded for use as an electronic chart for offline applications. [1] The project is part of OpenStreetMap.
The Lewis and Clark Expedition, also known as the Corps of Discovery Expedition, was the United States expedition to cross the newly acquired western portion of the country after the Louisiana Purchase. The Corps of Discovery was a select group of U.S. Army and civilian volunteers under the command of Captain Meriwether Lewis and his close ...