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Free stationing. In surveying, free stationing (also known as resection) is a method of determining a location of one unknown point in relation to known points. [1] There is a zero point of reference called a total station. The instrument can be freely positioned so that all survey points are at a suitable sight from the instrument.
February 22, 1974 [10] The Whitefish Point Light is a lighthouse located in Chippewa County in the U.S. state of Michigan. [11] Located on the southeastern shores of Lake Superior, it sits at the edge of Whitefish Point leading to Whitefish Bay. Constructed in 1849, it is the oldest operating lighthouse in the Upper Peninsula.
Cleaning symbiosis is a mutually beneficial association between individuals of two species, where one (the cleaner) removes and eats parasites and other materials from the surface of the other (the client). Cleaning symbiosis is well-known among marine fish, where some small species of cleaner fish, notably wrasses but also species in other ...
Added to NRHP. March 18, 2005. The St. Johnsbury Federal Fish Culture Station, also known as the St. Johnsbury Federal Fish Hatchery, was a United States government -funded fish hatchery on Emerson Falls Road in St. Johnsbury, Vermont. The hatchery operated from 1895 to 1960, producing fish stock for headwater tributaries of the Connecticut ...
Spotted jellies swimming in a Tokyo aquarium. Jellyfish, also known as sea jellies, are the medusa -phase of certain gelatinous members of the subphylum Medusozoa, which is a major part of the phylum Cnidaria. Jellyfish are mainly free-swimming marine animals with umbrella-shaped bells and trailing tentacles, although a few are anchored to the ...
Tsukiji Market (築地市場, Tsukiji shijō) is a major tourist attraction for both domestic and overseas visitors in Tokyo. [1] The area contains retail markets, restaurants, and associated restaurant supply stores. Before 2018, it was the largest wholesale fish and seafood market in the world. [2] The market opened on 11 February 1935 as a ...
Recirculating aquaculture system. Recirculating aquaculture systems ( RAS) are used in home aquaria and for fish production where water exchange is limited and the use of biofiltration is required to reduce ammonia toxicity. [1] Other types of filtration and environmental control are often also necessary to maintain clean water and provide a ...
Fish River Station. / 14.18917°S 130.88139°E / -14.18917; 130.88139. Fish River Station is a protected area approximately 50 km (31 mi) south of Daly River and 150 kilometres (93 mi) south of Darwin in the Northern Territory of Australia . It is bounded to the north and the east by the Daly River, to the west by the Wingate Mountains ...