question and answer book

ENVST CAT 3A 4b. i. The Western Rock Lobster Fishery described in the Data book is considered sustainable. In contrast,the Gemfish Fishery is considered to be overfished and unsustainable. What data support thesetwo statements?ii. Describe the effect on the lobster fishery of the 20% decline in egg production in 1993.iii.Suggest one environmental factor which could be responsible for the population changes in therock lobster from year to year.iv.Outline two management strategies that the Western Australian Fisheries Department might haveimplemented in managing the lobster populations to achieve continued sustainability of the fishery.1.2.2 + 1 + 1 + 2 = 6 marksQuestion 1 – continued