, 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. - CORRECT ANSWERS -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 - CORRECT ANSWERS -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 - CORRECT ANSWERS -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 - CORRECT ANSWERS -1. Rapid rate of soil erosion ✔
Read the following:
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. - CORRECT ANSWERS -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 - CORRECT ANSWERS -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 - CORRECT ANSWERS -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 - CORRECT ANSWERS -1. Rapid rate of soil erosion ✔
Read the following:
