SAE3701 Assignment 2 COMPLETE ANSWERS 2024

SAE3701 Assignment 2 COMPLETE ANSWERS 2024 Read the following statement and indicate whether it is TRUE or FALSE: Improvements in fishing methods result in greater numbers and varieties (sizes and species) of fish being caught, but fishing in the Southern African region remains sustainable and no overfishing is taking place. - False Read the following: Members of a growing settlement near St. Lucia in South Africa have observed that the estuary has dried up; in fact, the estuary has been permanently cut off from the sea. Sightings of some endemic estuarine organisms have also decreased, and it seems that the whole estuary has been lost. Evaluate and select the primary cause for this observation. 1. Shipping and transportation of goods 2. Periodic extended droughts 3. Increased freshwater needs owing to coastal developments 4. Increased freshwater pollution from various settlements - 3. Increased freshwater needs owing to coastal developments Durban Bay located in the eThekwini municipality has become physically vulnerable especially after April 2022 primarily due to --- and ---. 1. increased flooding; accelerated erosion 2. increased agriculture; economic growth 3. mineral exploration; shipping 4. pollution; decreased rainfall - Increased flooding; accelerated erosion Read the following: An urban settlement with surrounding agricultural areas is located upstream of an estuary. The urban settlement has been growing quite rapidly and there is pressure on agricultural activities to sustain the growing human population. An estuary located downstream is consequently negatively affected - the estuary mouth has closed permanently. Evaluate and select which ONE of the following puts the biggest pressure on the estuary? 1. Rapid rate of soil erosion 2. Loss of fish species 3. Oil pollution from shipping 4. Human health issues - 1. Rapid rate of soil erosion Read the following: Recent reports focused on the assessment of water quality of some of South Africa's major beaches. The reports have shown a general downward trend in the standard of wa