Anglo-Scottish border English king, Edgar the Peaceful, at his council in Chester. After Kenneth had reportedly done homage, Edgar rewarded Kenneth by granting him Lothian. Despite this transaction, the control of Lothian was not finally settled and the region was taken by the Scots at the Battle of Carham in 1018 and the River Tweed became the "de facto" Anglo-Scottish border. The Solway–Tweed line was legally established in 1237 by the Treaty of York between England and Scotland. It remains the border today, with the exception of the Debatable Lands, north of Carlisle, and a small area around Berwick-upon-Tweed, which was taken
River Lark Agency have set a target for ensuring it is moderate by 2027. The river hosts a large population of the invasive species, the signal crayfish. A study published in 2011 identified the decline in eels, which predate the crayfish, as the major factor in their dramatic increase. There is a second, much shorter, River Lark also in Suffolk which flows into the River Deben at Martlesham. River Lark The River Lark is a river in England that crosses the border between Suffolk and Cambridgeshire. It is a tributary of the River Great Ouse, and was extended when that river was