INTERACTIONS BETWEEN SOUTH AFRICAN FUR SEALS and THE PURSE‐SEINE FISHERY

摘要: Operational interactions occur between South African (Cape) fur seals and the purse-seine fishery in Africa. Seals eat fish from nets but main concern is activity of causing to sound, resulting loss, or partial loss catch. Detectable occurs on approximately 5% hauls. In addition this, smaller quantities may be lost each haul as depress net float line while moving into out net. The cost seal interference difficult quantify because mass not known, essentially one additional fishing time required fill total allowable catch for fishery. An estimate calculated 1.6% 4.1% landed value Some are killed by fishermen when they pose a potential threat safety crew aboard, some drown if caught pump. Overall this probably fewer than thousand per year. It also known that thought disturbing fish, these near deliberately fishermen. mortality, whether deliberate incidental, negligible terms population size seals.