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A fishing weir, fish weir, fishgarth or kiddle is an obstruction placed in tidal waters, or wholly or partially across a river, to direct the passage of, or trap fish. A weir may be used to trap marine fish in the
intertidal zone The intertidal zone or foreshore is the area above water level at low tide and underwater at high tide; in other words, it is the part of the littoral zone within the tidal range. This area can include several types of habitats with various ...
as the tide recedes, fish such as
salmon Salmon (; : salmon) are any of several list of commercially important fish species, commercially important species of euryhaline ray-finned fish from the genera ''Salmo'' and ''Oncorhynchus'' of the family (biology), family Salmonidae, native ...
as they attempt to swim upstream to breed in a river, or
eel Eels are ray-finned fish belonging to the order Anguilliformes (), which consists of eight suborders, 20 families, 164 genera, and about 1000 species. Eels undergo considerable development from the early larval stage to the eventual adult stage ...
s as they migrate downstream. Alternatively, fish weirs can be used to channel fish to a particular location, such as to a
fish ladder A fish ladder, also known as a fishway, fish pass, fish steps, or fish cannon, is a structure on or around artificial and natural barriers (such as dams, locks and waterfalls) to facilitate diadromous fishes' natural migration as well as mov ...
. Weirs were traditionally built from wood or stones. The use of fishing weirs as
fish traps A fish trap is a trap used for catching fish and other aquatic animals of value. Fish traps include fishing weirs, cage traps, fish wheels and some fishing net rigs such as fyke nets. The use of traps are culturally almost universal arou ...
probably dates back prior to the emergence of
modern human Humans (''Homo sapiens'') or modern humans are the most common and widespread species of primate, and the last surviving species of the genus ''Homo''. They are Hominidae, great apes characterized by their Prehistory of nakedness and clothing ...
s, and have since been used by many societies around the world. In the
Philippines The Philippines, officially the Republic of the Philippines, is an Archipelagic state, archipelagic country in Southeast Asia. Located in the western Pacific Ocean, it consists of List of islands of the Philippines, 7,641 islands, with a tot ...
, specific indigenous fishing weirs (a version of the ancient Austronesian stone fish weirs) are also known in English as fish corrals and barrier nets.


Etymology

The English word 'weir' comes from the Anglo-Saxon ''wer,'' one meaning of which is a device to trap fish.


By region


Africa

A line of stones dating to the
Acheulean Acheulean (; also Acheulian and Mode II), from the French after the type site of Saint-Acheul, is an archaeological industry of stone tool manufacture characterized by the distinctive oval and pear-shaped "hand axes" associated with ''Homo ...
in Kenya may have been a stone tidal weir in a prehistoric lake, which if true would make this technology older than
modern humans Humans (''Homo sapiens'') or modern humans are the most common and widespread species of primate, and the last surviving species of the genus ''Homo''. They are great apes characterized by their hairlessness, bipedalism, and high intelligen ...
.


Americas


North America

In September 2014 researchers from University of Victoria investigated what may turn out to be a 14,000-year-old fish weir in of water off the coast of
Haida Gwaii Haida Gwaii (; / , literally "Islands of the Haida people"), previously known as the Queen Charlotte Islands, is an archipelago located between off the British Columbia Coast, northern Pacific coast in the Canadian province of British Columbia ...
, British Columbia. In Virginia, the Native Americans built V-shaped stone weirs in the
Potomac River The Potomac River () is in the Mid-Atlantic (United States), Mid-Atlantic region of the United States and flows from the Potomac Highlands in West Virginia to Chesapeake Bay in Maryland. It is long,U.S. Geological Survey. National Hydrography D ...
and
James River The James River is a river in Virginia that begins in the Appalachian Mountains and flows from the confluence of the Cowpasture and Jackson Rivers in Botetourt County U.S. Geological Survey. National Hydrography Dataset high-resolution flowli ...
. These were described in 1705 in ''The History and Present State of Virginia, In Four Parts'' by
Robert Beverley Jr The name Robert is an ancient Germanic given name, from Proto-Germanic "fame" and "bright" (''Hrōþiberhtaz''). Compare Old Dutch ''Robrecht'' and Old High German ''Hrodebert'' (a compound of '' Hruod'' () "fame, glory, honour, praise, reno ...
: This practice was taken up by the early settlers but the
Maryland General Assembly The Maryland General Assembly is the state legislature of the U.S. state of Maryland that convenes within the State House in Annapolis. It is a bicameral body: the upper chamber, the Maryland Senate, has 47 representatives, and the lower ...
ordered the weirs to be destroyed on the Potomac in 1768. Between 1768 and 1828 considerable efforts were made to destroy fish weirs that were an obstruction to navigation and from the mid-1800s, those that were assumed to be detrimental to sports fishing. In the
Back Bay Back Bay is an officially recognized Neighborhoods in Boston, neighborhood of Boston, Massachusetts, built on Land reclamation, reclaimed land in the Charles River basin. Construction began in 1859, as the demand for luxury housing exceeded the ...
area of Boston, Massachusetts, wooden stake remains of the
Boylston Street Fishweir In archeological literature, the name Boylston Street Fishweir refers to ancient fishing structures first discovered in 1913, buried below Boylston Street in Boston, Massachusetts. Reports written in 1942 and 1949 describe what was thought to be ...
have been documented during excavations for subway tunnels and building foundations. The Boylston Street Fishweir was actually a series of fish weirs built and maintained near the tidal shoreline between 3,700 and 5,200 years ago. Natives in
Nova Scotia Nova Scotia is a Provinces and territories of Canada, province of Canada, located on its east coast. It is one of the three Maritime Canada, Maritime provinces and Population of Canada by province and territory, most populous province in Atlan ...
use weirs that stretch across the entire river to retain
shad The Alosidae, or the shads, are a family (biology), family of clupeiform fishes. The family currently comprises four genera worldwide, and about 32 species. The shads are Pelagic fish, pelagic (open water) schooling fish, of which many are anadr ...
during their seasonal runs up the Shubenacadie, Nine Mile, and Stewiacke rivers, and use nets to scoop the trapped fish. Various weir patterns were used on tidal waters to retain a variety of different species, which are still used today. V-shaped weirs with circular formations to hold the fish during high tides are used on the
Bay of Fundy The Bay of Fundy () is a bay between the Canadian provinces of New Brunswick and Nova Scotia, with a small portion touching the U.S. state of Maine. It is an arm of the Gulf of Maine. Its tidal range is the highest in the world. The bay was ...
to fish
herring Herring are various species of forage fish, belonging to the Order (biology), order Clupeiformes. Herring often move in large Shoaling and schooling, schools around fishing banks and near the coast, found particularly in shallow, temperate wate ...
, which follow the flow of water. Similar V-shaped weirs are also used in
British Columbia British Columbia is the westernmost Provinces and territories of Canada, province of Canada. Situated in the Pacific Northwest between the Pacific Ocean and the Rocky Mountains, the province has a diverse geography, with rugged landscapes that ...
to corral salmon to the end of the "V" during the changing of the tides. The
Cree The Cree, or nehinaw (, ), are a Indigenous peoples of the Americas, North American Indigenous people, numbering more than 350,000 in Canada, where they form one of the country's largest First Nations in Canada, First Nations. They live prim ...
of the
Hudson Bay Lowlands The Hudson Bay Lowlands is a vast wetland located between the Canadian Shield and southern shores of Hudson Bay and James Bay. Most of the area lies within the province of Ontario, with smaller portions reaching into Manitoba and Quebec. Many wide ...
used weirs consisting of a fence of poles and a trap across fast flowing rivers. The fish were channelled by the poles up a ramp and into a box-like structure made of poles lashed together. The top of the ramp remained below the surface of the water but slightly above the top of the box so that the flow of the water and the overhang of the ramp stopped the fish from escaping from the box. The fish were then scooped out of the box with a dip net.


South America

A large series of fish weirs, canals and artificial islands was built by an unknown pre-Columbian culture in the Baures region of
Bolivia Bolivia, officially the Plurinational State of Bolivia, is a landlocked country located in central South America. The country features diverse geography, including vast Amazonian plains, tropical lowlands, mountains, the Gran Chaco Province, w ...
, part of the
Llanos de Moxos The Llanos de Moxos, also known as the Beni savanna or Moxos plains, is a tropical savanna ecoregion of the Beni Department of northern Bolivia. Setting The Llanos de Moxos covers an area of in the lowlands of northern Bolivia, with small por ...
.Erickson, Clark (2000): "An artificial landscape-scale fishery in the Bolivian Amazon".
Nature, 408(6809):190–193
These earthworks cover over , and appear to have supported a large and dense population around 3000 BCE.Erickson, Clark (2000b): "AN ARTIFICIAL LANDSCAPE-SCALE FISHERY IN THE BOLIVIAN AMAZON"
University of Pennsylvania website retrieved 12 Oct. 2007
Stone fish weirs were in use 6,000 years ago in
Chiloé Island Chiloé Island (, , ), also known as Greater Island of Chiloé (''Isla Grande de Chiloé''), is the largest island of the Chiloé Archipelago off the west coast of Chile, in the Pacific Ocean. The island is located in southern Chile, in the Los L ...
off the coast of Chile.


Asia and Oceania

Tidal stone fish weirs are one of the ancestral fishing technologies of the seafaring
Austronesian peoples The Austronesian people, sometimes referred to as Austronesian-speaking peoples, are a large group of peoples who have settled in Taiwan, maritime Southeast Asia, parts of mainland Southeast Asia, Micronesia, coastal New Guinea, Island Melan ...
. They are found on tidal
estuaries An estuary is a partially enclosed coastal body of brackish water with one or more rivers or streams flowing into it, and with a free connection to the open sea. Estuaries form a transition zone between river environments and maritime environm ...
and shallow coastal waters throughout regions settled by Austronesians during the Austronesian expansion (). They are very similar in shape and construction throughout. They come in several variants, the most basic of which is the semicircular shape (with various examples being described as
horseshoe A horseshoe is a product designed to protect a horse hoof from wear. Shoes are attached on the palmar surface (ground side) of the hooves, usually nailed through the insensitive hoof wall that is anatomically akin to the human toenail, altho ...
-shaped, arrow-shaped,
boomerang A boomerang () is a thrown tool typically constructed with airfoil sections and designed to spin about an axis perpendicular to the direction of its flight, designed to return to the thrower. The origin of the word is from Australian Aborigin ...
-shaped, or heart-shaped), with the opening facing seaward (the direction of the
ebb tide Tides are the rise and fall of sea levels caused by the combined effects of the gravity, gravitational forces exerted by the Moon (and to a much lesser extent, the Sun) and are also caused by the Earth and Moon orbiting one another. Tide ...
). They also sometimes include linear or triangular fish corridors, creating a
tennis racket A racket or racquet is an item of sporting equipment used to strike a ball or shuttlecock in a variety of sports. A racket consists of three major components: a widened distal end known as the ''head'', an elongated handle known as the ''grip' ...
-like or keyhole-like shape that guides the fish into the weir opening. Some variants also include a fish labyrinth at the tips that serves as the fish trap. The weirs can also be nested into each other or extended with multiple short chambers for subdividing the communal fish catch. In some regions they have also been adopted into fish pens or
fish pond A fish pond or fishpond is a controlled pond, small artificial lake or retention basin that is stocked with fish and is used in aquaculture for fish farming, for recreational fishing, or for ornamental purposes. Fish ponds are a classical g ...
s or use more perishable materials like bamboo, brushwood, and netting. Austronesian stone fish weirs are found in the highest concentrations in
Penghu Island The Penghu ( , Hokkien POJ: ''Phîⁿ-ô͘''  or ''Phêⁿ-ô͘'' ) or Pescadores Islands are an archipelago of 90 islands and islets in the Taiwan Strait, about west of the main island of Taiwan across the Penghu Channel, coveri ...
in
Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia. The main geography of Taiwan, island of Taiwan, also known as ''Formosa'', lies between the East China Sea, East and South China Seas in the northwestern Pacific Ocea ...
, the
Philippines The Philippines, officially the Republic of the Philippines, is an Archipelagic state, archipelagic country in Southeast Asia. Located in the western Pacific Ocean, it consists of List of islands of the Philippines, 7,641 islands, with a tot ...
, and all throughout
Micronesia Micronesia (, ) is a subregion of Oceania, consisting of approximately 2,000 small islands in the Northwestern Pacific Ocean. It has a close shared cultural history with three other island regions: Maritime Southeast Asia to the west, Poly ...
. They are also prevalent in
eastern Indonesia Eastern Indonesia (or East Indonesia) is one of the two main geographical regions of Indonesia, the other being Western Indonesia. It comprises four geographical units: Lesser Sunda Islands, Sulawesi, Maluku Islands and Papua. Central Indone ...
,
Melanesia Melanesia (, ) is a subregion of Oceania in the southwestern Pacific Ocean. It extends from New Guinea in the west to the Fiji Islands in the east, and includes the Arafura Sea. The region includes the four independent countries of Fiji, Vanu ...
, and
Polynesia Polynesia ( , ) is a subregion of Oceania, made up of more than 1,000 islands scattered over the central and southern Pacific Ocean. The indigenous people who inhabit the islands of Polynesia are called Polynesians. They have many things in ...
. Around 500 stone weirs survive in Taiwan, and millions of stone weirs used to exist through all of the islands of Micronesia. They are known as in the
Visayas Islands The Visayas ( ), or the Visayan Islands ( Visayan: ''Kabisay-an'', ; Filipino: ''Kabisayaan'' ), are one of the three principal geographical divisions of the Philippines, along with Luzon and Mindanao. Located in the central part of the arch ...
of the Philippines, in Chuuk, in
Yap Yap (, sometimes written as , or ) traditionally refers to an island group located in the Caroline Islands of the western Pacific Ocean, a part of Yap State. The name "Yap" in recent years has come to also refer to the state within the Federate ...
, in
Hawaii Hawaii ( ; ) is an island U.S. state, state of the United States, in the Pacific Ocean about southwest of the U.S. mainland. One of the two Non-contiguous United States, non-contiguous U.S. states (along with Alaska), it is the only sta ...
, and in
New Zealand New Zealand () is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and List of islands of New Zealand, over 600 smaller islands. It is the List of isla ...
, among other names. The oldest known example of a stone fish weir in Taiwan was constructed by the
indigenous Indigenous may refer to: *Indigenous peoples *Indigenous (ecology) In biogeography, a native species is indigenous to a given region or ecosystem if its presence in that region is the result of only local natural evolution (though often populari ...
Taokas people in
Miaoli County Miaoli is a county (Taiwan), county in western Taiwan. Miaoli is bordered by Hsinchu County and Hsinchu City to the north, Taichung to the south, and the Taiwan Strait to the west. Miaoli is Regions of Taiwan, classified as "central Taiwan" by t ...
. Most stone fish weirs are believed to also be ancient, but few studies have been conducted into their antiquity as they are difficult to determine due to being continually rebuilt in the same location. The technology of tidal stone fish weirs has also spread to neighboring regions when Taiwan came under the jurisdiction of
China China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...
and
Imperial Japan The Empire of Japan, also known as the Japanese Empire or Imperial Japan, was the Japanese nation state that existed from the Meiji Restoration on January 3, 1868, until the Constitution of Japan took effect on May 3, 1947. From Japan–Kor ...
in recent centuries. They are known as or in
Kyushu is the third-largest island of Japan's Japanese archipelago, four main islands and the most southerly of the four largest islands (i.e. excluding Okinawa Island, Okinawa and the other Ryukyu Islands, Ryukyu (''Nansei'') Ryukyu Islands, Islands ...
, in the
Ryukyu Islands The , also known as the or the , are a chain of Japanese islands that stretch southwest from Kyushu to Geography of Taiwan, Taiwan: the Ryukyu Islands are divided into the Satsunan Islands (Ōsumi Islands, Ōsumi, Tokara Islands, Tokara and A ...
; , , , or in
South Korea South Korea, officially the Republic of Korea (ROK), is a country in East Asia. It constitutes the southern half of the Korea, Korean Peninsula and borders North Korea along the Korean Demilitarized Zone, with the Yellow Sea to the west and t ...
(pariticularly
Jeju Island Jeju Island (Jeju language, Jeju/) is South Korea's largest island, covering an area of , which is 1.83% of the total area of the country. Alongside outlying islands, it is part of Jeju Province and makes up the majority of the province. The i ...
); and in Taiwan. The
Han Chinese The Han Chinese, alternatively the Han people, are an East Asian people, East Asian ethnic group native to Greater China. With a global population of over 1.4 billion, the Han Chinese are the list of contemporary ethnic groups, world's la ...
also had separate ancient fish weir techniques, known as , which use bamboo gates or "curtains" in river estuaries. These date back to at least the 7th century in China.


Europe

In
medieval Europe In the history of Europe, the Middle Ages or medieval period lasted approximately from the 5th to the late 15th centuries, similarly to the post-classical period of World history (field), global history. It began with the fall of the West ...
, large fishing weir structures were constructed from wood posts and wattle fences. V-shaped structures in rivers could be as long as and worked by directing fish towards fish traps or nets. Such weirs were frequently the cause of disputes between various classes of river users and tenants of neighbouring land. Basket weir fish traps are shown in medieval illustrations and surviving examples have been found. Basket weirs are about long and comprise two wicker cones, one inside the other—easy for fish to get into but difficult to escape.


Great Britain

In Great Britain the traditional form was one or more rock weirs constructed in
tidal race Tidal race or tidal rapid is a natural occurrence whereby a fast-moving tide passes through a constriction, resulting in the formation of waves, eddies and hazardous currents. The constriction can be a passage where the sides narrow, for example ...
s or on a sandy beach, with a small gap that could be blocked by wattle fences when the tide turned to flow out again.


=Wales

= Surviving examples, but no longer in use, can be seen in the
Menai Strait The Menai Strait () is a strait which separates the island of Anglesey from Gwynedd, on the mainland of Wales. It is situated between Caernarfon Bay in the south-west and Conwy Bay in the north-east, which are both inlets of the Irish Sea. The s ...
, with the best preserved examples to be found at Ynys Gored Goch (Red Weir Island) dating back to around 1842. Also surviving are 'goredi' (originally twelve in number) on the beach at Aberarth, Ceredigion. Another ancient example was at Rhos Fynach in North Wales, which survived in use until
World War I World War I or the First World War (28 July 1914 – 11 November 1918), also known as the Great War, was a World war, global conflict between two coalitions: the Allies of World War I, Allies (or Entente) and the Central Powers. Fighting to ...
.Reid, Ian (2001): "Rhos-on-Sea Heritage Trail".
BBC Wales North West website retrieved 7 August 2007.
The medieval fish weir at Traeth Lligwy,
Moelfre, Anglesey Moelfre () is a village, a community and, until 2012, an electoral ward on the north-east coast of the Isle of Anglesey in Wales. The community area covers the village and harbour, and several smaller, dispersed settlements. It includes six sch ...
was scheduled as an
Ancient Monument An ancient monument can refer to any early or historical manmade structure or architecture. Certain ancient monuments are of cultural importance for nations and become symbols of international recognition, including the Baalbek, ruins of Baalbek ...
in 2002.


=England

= Fish weirs were an obstacle to shipping and a threat to fish stocks, for which reasons over the course of history several attempts were made to control their proliferation. The
Magna Carta (Medieval Latin for "Great Charter"), sometimes spelled Magna Charta, is a royal charter of rights agreed to by King John of England at Runnymede, near Windsor, on 15 June 1215. First drafted by the Archbishop of Canterbury, Cardin ...
of 1215 includes a clause embodying the barons' demands for the removal of the king's weirs and others: A statute was passed during the reign of King
Edward III Edward III (13 November 1312 – 21 June 1377), also known as Edward of Windsor before his accession, was King of England from January 1327 until his death in 1377. He is noted for his military success and for restoring royal authority after t ...
(1327–1377) and was reaffirmed by King
Edward IV Edward IV (28 April 1442 – 9 April 1483) was King of England from 4 March 1461 to 3 October 1470, then again from 11 April 1471 until his death in 1483. He was a central figure in the Wars of the Roses, a series of civil wars in England ...
in 1472 A further regulation was enacted under King
Henry VIII Henry VIII (28 June 149128 January 1547) was King of England from 22 April 1509 until his death in 1547. Henry is known for his Wives of Henry VIII, six marriages and his efforts to have his first marriage (to Catherine of Aragon) annulled. ...
, apparently at the instigation of
Thomas Cromwell Thomas Cromwell (; – 28 July 1540) was an English statesman and lawyer who served as List of English chief ministers, chief minister to King Henry VIII from 1534 to 1540, when he was beheaded on orders of the king, who later blamed false cha ...
, when in 1535 commissioners were appointed in each county to oversee the "putting-down" of weirs. The words of the commission were as follows:
All weirs noisome to the passage of ships or boats to the hurt of passages or ways and causeys ''(i.e. causeways)'' shall be pulled down and those that be occasion of drowning of any lands or pastures by stopping of waters and also those that are the destruction of the increase of fish, by the discretion of the commissioners, so that if any of the before-mentioned depend or may grow by reason of the same weir then there is no redemption but to pull them down, although the same weirs have stood since 500 years before the
Conquest Conquest involves the annexation or control of another entity's territory through war or Coercion (international relations), coercion. Historically, conquests occurred frequently in the international system, and there were limited normative or ...
.
The king did not exempt himself from the regulation and by the destruction of royal weirs lost 500
marks Marks may refer to: Business * Mark's, a Canadian retail chain * Marks & Spencer, a British retail chain * Collective trade marks A collective trademark, collective trade mark, or collective mark is a trademark owned by an organization (such ...
in annual income. The Lisle Papers provide a detailed contemporary narrative of the struggle of the owners of the weir at
Umberleigh Umberleigh is a former large manor within the historic hundred of (North) Tawton, but today a small village in North Devon in England. It used to be an ecclesiastical parish, but following the building of the church at Atherington it became ...
in Devon to be exempted from this 1535 regulation.Byrne, 1981, 6 vols., the matter is referred to in all 6 vols The Salmon Fishery Act 1861 ( 24 & 25 Vict. c. 109) (relevant provisions re-enacted since) bans their use except wherever their almost continuous use can be traced to before the
Magna Carta (Medieval Latin for "Great Charter"), sometimes spelled Magna Charta, is a royal charter of rights agreed to by King John of England at Runnymede, near Windsor, on 15 June 1215. First drafted by the Archbishop of Canterbury, Cardin ...
(1215).


Ireland

In
Ireland Ireland (, ; ; Ulster Scots dialect, Ulster-Scots: ) is an island in the North Atlantic Ocean, in Northwestern Europe. Geopolitically, the island is divided between the Republic of Ireland (officially Names of the Irish state, named Irelan ...
, discoveries of fish traps associated with weirs have been dated to 8,000 years ago. Stone tidal weirs were used around the world and by 1707, 160 such structures, some of which reached 360 metres in length, were in use along the coast of the
Shimabara Peninsula The is a peninsula located in Nagasaki Prefecture on the island of Kyushu, Japan. The peninsula incorporates the cities of Shimabara, Minamishimabara, and Unzen. The northern, eastern, and southeastern coasts of the peninsula face the Ariake ...
of Japan.


Gallery

File:Ålegård.gif, 19th-century fishing weir used to trap eels on the Danish coast File:Indian fish weir Smith River Henry County Virginia.JPG, The
Martinsville Fish Dam The Martinsville Fish Dam is a Native American weir in the Smith River near Martinsville, Virginia. The weir is a rough wall of piled rocks in a V shape with the point of the V downstream. At an opening in that point a basket could be used to ...
Virginia, a historic Native American Indian fishing weir built with rocks File:Fish trap Menai Strait.jpg, Remains of an ancient stone fishing weir in the tidal
Menai Strait The Menai Strait () is a strait which separates the island of Anglesey from Gwynedd, on the mainland of Wales. It is situated between Caernarfon Bay in the south-west and Conwy Bay in the north-east, which are both inlets of the Irish Sea. The s ...
in Wales File:澎湖石滬 1.jpg, Fishing weir,
Penghu The Penghu ( , Hokkien Pe̍h-ōe-jī, POJ: ''Phîⁿ-ô͘''  or ''Phêⁿ-ô͘'' ) or Pescadores Islands are an archipelago of 90 islands and islets in the Taiwan Strait, about west of the main island of Taiwan across the Penghu Ch ...
County File:Yana.jpg, Fishing weir on the rapidly flowing
Mogami River The is a river in Yamagata Prefecture, Japan. Description and history The river is 224 km long and has a watershed of 7,040 km2. It is regarded as one of the three most rapid rivers of Japan (along with the Fuji River and the Kuma R ...
in Japan File:Fishing at the falls Dem Rep Congo.jpg, Fishing weirs using baskets at a river waterfall,
Democratic Republic of the Congo The Democratic Republic of the Congo (DRC), also known as the DR Congo, Congo-Kinshasa, or simply the Congo (the last ambiguously also referring to the neighbouring Republic of the Congo), is a country in Central Africa. By land area, it is t ...
File:Ancient Fishing Weir - geograph.org.uk - 637068.jpg, Ancient V-shaped fishing weir at Countisbury Cove,
Somerset Somerset ( , ), Archaism, archaically Somersetshire ( , , ) is a Ceremonial counties of England, ceremonial county in South West England. It is bordered by the Bristol Channel, Gloucestershire, and Bristol to the north, Wiltshire to the east ...
File:Weervisserij Oosterschelde.jpg, Modern
anchovy An anchovy is a small, common forage fish of the Family (biology), family Engraulidae. Most species are found in marine waters, but several will enter brackish water, and some in South America are restricted to fresh water. More than 140 speci ...
weir in the
Oosterschelde The Eastern Scheldt () is a former estuary in the province of Zeeland, Netherlands, between Schouwen-Duiveland and Tholen on the north and Noord-Beveland and Zuid-Beveland on the south. It also features the largest Oosterschelde National Pa ...
near
Bergen op Zoom Bergen op Zoom (; called ''Berrege'' in the Brabantian dialect, local dialect) is a List of cities in the Netherlands by province, city and Municipalities of the Netherlands, municipality in southwestern Netherlands. It is located in the Province ...
in the Netherlands (aerial view)


See also

*
Desert kite Desert kites () are dry stone wall structures found in Southwest Asia (Middle East, but also North Africa, Central Asia and Arabia), which were first discovered from the air during the 1920s. There are over 6,000 known desert kites, with sizes r ...
* Fish screen *
Mnjikaning Fish Weirs The Mnjikaning Fish Weirs are one of the oldest human developments in Canada. These fishing weirs were built by the first nations people well before recorded history, dating to around 4500 BP during the Archaic period in North America, accordi ...
* Tailrace fishing *
Weir A weir or low-head dam is a barrier across the width of a river that alters the flow characteristics of water and usually results in a change in the height of the water level. Weirs are also used to control the flow of water for outlets of l ...


References


External links

*
Prehistoric Fishweirs in Eastern North America
' – master's thesis on fish weirs {{DEFAULTSORT:Fishing Weir Fishing equipment Native American tools Austronesian culture Weirs