Rivers in the Borders, Angus and Aberdeenshire are added to the list of low-flowing watercourses.
The environment agency Sepa warns some rivers in southern and eastern Scotland could soon move to "significant scarcity".
Hundreds of volunteers survey Scotland's watercourses and report any issues of concern quickly.
Festival organisers are gathering memories of a Berwick tradition and its links to salmon fishing.
The event in Kelso helps people learn to fish and raises awareness of the River Tweed's importance.
Burnt bone fragments were discovered during an initial dig of the Adie's Brae settlement at Ericstane, near Moffat.
Removing weirs and other obstacles over the past 50 years allows salmon an easier journey to their spawning grounds
River managers say the Borders river is bucking the worldwide trend of declining fish numbers.
Children in the Borders check on a tributary of the River Tweed after a summer of water scarcity.