A lynchet is a bank of earth that builds up on the downslope of a field ploughed over a long period of time. The disturbed soil slips down the hillside to create a positive lynchet while the area reduced in level becomes a negative lynchet[clarification needed]. They are also referred to as strip lynchets.
They are a feature of ancient field systems of the British Isles. Some believe that they were passively formed under the long-term action of gravity and weathering on the loosened soil of a ploughed slope, while others believe they may have been intentionally formed, to prevent erosion and slippage of the ploughed slope.
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