The Effect of Water Removal on the Catch of Salmon in the River Úlfarsá, Iceland / Áhrif vatnstöku úr Úlfarsá á veiði í ánni

The river Úlfarsá is a small river emptying into the Faxa Bay, South-western Iceland. It is about l8 kilometers long with Lake Hafravatn on the river system. The length of the river above the lake is about 8 kilometers and the part below is 10,4 kilometers long. The Lake Hafravatn is 0,9 square kilometers and is 68 rneters above sea level.