Evidence of fishing along the Trent can be traced back to the Neolithic period, with the possible remnants of a fish weir discovered in the abandoned river channels at Hemington.
32.
Drawings and models were made based on the findings and show the fish weir built in deep water, maintained by men working from " mishoons " ( log canoes ).
33.
This interpretation may have been informed by the type of fish weirs known to be still in use in the 1940s by Native peoples in the Canadian Bay of Fundy.
34.
Oysters have been harvested from the estuary for more than a thousand years and there are remains of fish weirs from the Maldon, which is a centre of salt production.
35.
Erickson, on the basis of location, form, patterning, associations and ethnographic analogy, identified a particular form of earthwork, the zigzag structure, as fish weirs in the savanna of Baures, Bolivia.
36.
The Dean and Chapter owned the river as far as Athelney weir, which was presumably a fish weir, as the river was an important source of fish for the local population.
37.
Courtenay was appointed commissioner in charge of demolishing all the fish weirs in Devon, following the legislation of 1535 which ordered the " putting down " of all weirs in the country.
38.
Native Americans have employed a variety of traps that were made of natural materials . nets, trapping pits, and fish weirs were made of natural materials such as stone, logs or twine.
39.
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.
40.
Llanddona fish weir, like most of the beach at Red Wharf Bay, is covered by the sea at high tide, and even at low tide the apex of the weir is still underwater.
