I Augate, i ka ulu ana o ka downstream kila oihana lohi iho, pili i ka ulu ana o ke kila a me ka kalepa upgrading, kila kumu kuai haule mahina ma ka mahina. I loko o Sepatemaba, e like me ke kumu kuai o ka wahie maka, ua loaa hou mai ke kila, ua manaoia e lohi e hōʻike i ka liʻiliʻi fluctuation au.