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última version al 04:39 6 abr 2012
Fishing may be the activity of attempting to catch fish. Fish are normally caught inside the wild. Procedures for catching fish incorporate hand gathering, spearing, netting, angling and trapping.
The term fishing could be applied to catching other aquatic animals similar to molluscs, cephalopods, crustaceans, and echinoderms. The term is not ordinarily applied to catching farmed fish, or to aquatic mammals, which include whales, where the term whaling is way more appropriate.
Based on FAO statistics, the total number of commercial fishermen and fish farmers is estimated to become 38 million. Fisheries and aquaculture produce direct and indirect employment to over 500 million men and women. In 2005, the worldwide per capita consumption of fish captured from wild fisheries was 14.4 kilograms, with an further 7.4 kilograms harvested from fish farms. Along with supplying food, modern day fishing can also be a recreational pastime.
Fishing is an ancient practice that dates back to, no less than, the beginning with the Paleolithic period about 40,000 years ago. Isotopic analysis of your skeletal remains of Tianyuan man, a 40,000 year old contemporary human from eastern Asia, has shown that he routinely consumed freshwater fish. Archaeology capabilities which include shell middens,[6] discarded fish bones and cave paintings show that sea foods were imperative for survival and consumed in substantial quantities. During this period, most people lived a hunter-gatherer lifestyle and had been, of necessity, regularly on the move. Having said that, exactly where you'll find early examples of permanent settlements (although not necessarily permanently occupied) such as those at Lepenski Vir, they may be virtually often associated with fishing as a significant source of food.
The ancient river Nile was full of fish; fresh and dried fish were a staple food for considerably in the population.[7] The Egyptians had implements and methods for fishing and these are illustrated in tomb scenes, drawings, and papyrus documents. Some representations hint at fishing getting pursued as a pastime. In India, the Pandyas, a classical Dravidian Tamil kingdom, were recognized for the pearl fishery as early as the 1st century BC. Their seaport Tuticorin was known for deep sea pearl fishing. The paravas, a Tamil caste centred in Tuticorin, developed a rich community due to their pearl trade, navigation information and fisheries. Fishing scenes are rarely represented in ancient Greek culture, a reflection with the low social status of fishing. But, Oppian of Corycus, a Greek author wrote a significant treatise on sea fishing, the Halieulica or Halieutika, composed between 177 and 180. This is the earliest such function to have survived towards the modern day day. Pictorial evidence of Roman fishing comes from mosaics. The Greco-Roman sea god Neptune is depicted as wielding a fishing trident. The Moche persons of ancient Peru depicted fishermen in their ceramics.[9]
There are lots of fishing methods or strategies for catching fish. The term may also be applied to approaches for catching other aquatic animals like molluscs (shellfish, squid, octopus) and edible marine invertebrates.
Fishing tactics consist of hand gathering, spearfishing, netting, angling and trapping. Recreational, commercial and artisanal fishers use completely different strategies, and also, often, precisely the same procedures. Recreational fishers fish for pleasure or sport, whereas commercial fishers fish for profit. Artisanal fishers use conventional, low-tech procedures, for survival in third-world countries, and as a cultural heritage in other countries. Mainly, recreational fishers use angling approaches and commercial fishers use netting procedures.
There is an intricate link among a number of fishing methods and expertise concerning the fish and their behaviour including migration, foraging and habitat. The productive use of fishing tactics regularly depends on this extra knowledge.[10] Some fishermen comply with fishing folklores which claim that fish feeding patterns are influenced by the position in the sun and also the moon. Certainly one of the world?s longest trading histories will be the trade of dry cod from the Lofoten region of Norway for the southern components of Europe, Italy, Spain and Portugal. The trade in cod started through the Viking period or ahead of, has been going on for even more than 1,000 years and is nevertheless beneficial.
Fishing tackle is usually a general term that refers for the equipment applied by fishermen when fishing.
Pretty much any equipment or gear utilized for fishing will be called fishing tackle. Some examples are hooks, lines, sinkers, floats, rods, reels, baits, lures, spears, nets, gaffs, traps, waders and tackle boxes.
Tackle which is attached towards the end of a fishing line is called terminal tackle. This includes hooks, sinkers, floats, leaders, swivels, split rings and wire, snaps, beads, spoons, blades, spinners and clevises to attach spinner blades to fishing lures.
Fishing tackle is often contrasted with fishing procedures. Fishing tackle refers to the physical gear that is certainly used when fishing, whereas fishing procedures refers towards the approaches the tackle is utilized when fishing.
Commercial fishing is the capture of fish for commercial purposes. People that practice it should quite often pursue fish far in to the ocean under adverse circumstances. Commercial fishermen harvest almost all aquatic species, from tuna, cod and salmon to shrimp, krill, lobster, clams, squid and crab, in several fisheries for these species. Commercial fishing techniques have grow to be especially efficient employing massive nets and sea-going processing factories. Person fishing quotas and international treaties seek to manage the species and quantities caught.
A commercial fishing enterprise may perhaps vary from 1 man using a small boat with hand-casting nets or possibly a few pot traps, to an enormous fleet of trawlers processing tons of fish on a daily basis.
Commercial fishing gear contains weights, nets (e.g. purse seine), seine nets (e.g. beach seine), trawls (e.g. bottom trawl), dredges, hooks and line (e.g. extended line and handline), lift nets, gillnets, entangling nets and traps.
In accordance with the Food and Agriculture Organization of your United Nations, total planet capture fisheries production in 2000 was 86 million tons (FAO 2002). The best producing nations were, in order, the People's Republic of China (excluding Hong Kong and Taiwan), Peru, Japan, the United states of america, Chile, Indonesia, Russia, India, Thailand, Norway and Iceland. These countries accounted for a lot more than half of your world's production; China alone accounted to get a third in the world's production. Of that production, more than 90% was marine and much less than 10% was inland. Intensive koi aquaculture facility in Israel
A smaller number of species help the majority with the world?s fisheries. Some of these species are herring, cod, anchovy, tuna, flounder, mullet, squid, shrimp, salmon, crab, lobster, oyster and scallops. All except these final four supplied a worldwide catch of nicely over a million tonnes in 1999, with herring and sardines together delivering a catch of over 22 million metric tons in 1999. Many other species also are fished in smaller sized numbers.
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