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Fischer projections are commonly constructed beginning with a sawhorse representation. To do so, all attachments to main chain carbons must be rotated such that resulting Newman projections show an eclipsed configuration. The carbon chain is then positioned vertically upward with all horizontal attachments pointing toward the viewer.
from Maharashtra, India . The common kingfisher ( Alcedo atthis ), also known as the Eurasian kingfisher and river kingfisher, is a small kingfisher with seven subspecies recognized within its wide distribution across Eurasia and North Africa. It is resident in much of its range, but migrates from areas where rivers freeze in winter.
In mathematical statistics, the Fisher information (sometimes simply called information) is a way of measuring the amount of information that an observable random variable X carries about an unknown parameter θ of a distribution that models X. Formally, it is the variance of the score, or the expected value of the observed information.
The fish is served numerous ways, and many regional recipes are used: eaten raw, fermented, pickled, or cured by other techniques, such as being smoked as kippers. Herring are very high in the long-chain omega-3 fatty acids EPA and DHA. They are a source of vitamin D. Water pollution influences the amount of herring that may be safely consumed
Fishing down the food web. Fishing down the food web is the process whereby fisheries in a given ecosystem, "having depleted the large predatory fish on top of the food web, turn to increasingly smaller species, finally ending up with previously spurned small fish and invertebrates ". [1]
Frogfish. Frogfishes are any member of the anglerfish family Antennariidae, of the order Lophiiformes. Antennariids are known as anglerfish in Australia, where the term "frogfish" refers to members of the unrelated family Batrachoididae. Frogfishes are found in almost all tropical and subtropical oceans and seas around the world, the primary ...
Electrofishing is a common scientific survey method used to sample fish populations to determine abundance, density and species composition. When performed correctly, electrofishing results in no permanent harm to the fish, which return to their natural mobility state in as little as two minutes after being caught. [1]
The Tale of the Fisherman and the Fish. The fairy tale commemorated on a Soviet Union stamp. The Tale of the Fisherman and the Fish ( Russian: «Сказка о рыбаке и рыбке», romanized : Skazka o rybake i rybke) is a fairy tale in verse by Alexander Pushkin, published 1835. The tale is about a fisherman who manages to catch a ...
The northern red snapper ( Lutjanus campechanus) is a species of marine ray-finned fish, a snapper belonging to the family Lutjanidae. It is native to the western Atlantic Ocean, the Caribbean Sea, and the Gulf of Mexico, where it inhabits environments associated with reefs. This species is commercially important and is also sought-after as a ...
Canada's fishing industry is a key contributor to the success of the Canadian economy. In 2018, Canada's fishing industry was worth $36.1 billion in fish and seafood products and employed approximately 300,000 people. [1] Aquaculture, which is the farming of fish, shellfish, and aquatic plants in fresh or salt water, is the fastest growing food ...