25 Questions
What was the approximate surface area of the area in question?
600 Km2
What was the main purpose of land reclamation in the southern sector?
Agriculture
By what year had the surface area of the area declined to about 460 Km2?
1974
What was the percentage decline in the surface area of the area?
23%
What was the original surface area of the area before land reclamation?
600 Km2
What is the primary reason for the increase in dissolved oxygen in Lake Borolus during late autumn and winter?
Decrease in water temperature and increase in oxygen solubility
What is the effect of wind action on Lake Borolus during late autumn and winter?
It increases the water movement
During which seasons does Lake Borolus experience an increase in dissolved oxygen?
Late autumn and winter
What happens to the oxygen solubility in water as the water temperature decreases?
It increases
What is the relationship between water movement and dissolved oxygen in Lake Borolus?
Increased water movement increases dissolved oxygen
What type of plants are found in the Burullus wetland?
Phragmites sp
What is one of the methods mentioned to increase agricultural productivity?
Reclaiming land for agriculture
What is the significance of the lake in Burullus wetland?
It is an important stopover for waterfowl
What is the primary characteristic of the Phragmites sp?
It is a semi-aquatic plant
What is a potential consequence of over fishing?
Depletion of fish populations
What is the function of hackers in fish farming?
To expand fish farming
What is the type of ecosystem found in the Burullus wetland?
Wetland ecosystem
What is the primary feature of the sand dunes in Burullus wetland?
They are sandy formations
What is a potential consequence of using high levels of blue green algae?
Imbalance in ecosystem
What is the relationship between fertilizers and pesticides in the context of agriculture?
Fertilizers and pesticides are used together to increase agricultural productivity
What is the significance of pH value in ecological systems?
It reflects the pollution level of aquatic environments
What does pH value reflect in aquatic environments?
The level of pollution
Why is pH value important in many life processes?
It plays a crucial role in many life processes
What can pH value indicate in aquatic environments?
The pollution level of the environment
What is the role of pH value in many life processes?
It plays an important role
Study Notes
Lake Burullus Characteristics
- Had a surface area of approximately 600 km², but declined to around 460 km² by 1974 due to land reclamation for agriculture in its southern sector.
Importance of Lake Burullus
- Serves as an important wetland for waterfowl (water birds).
Threats to Lake Burullus
- Reclamation of land for agriculture, leading to habitat destruction.
- Overuse of fertilizers and pesticides.
- High levels of blue-green algae.
- Overfishing.
- Expansion of fish farming (hackers).
Water Quality in Lake Burullus
- Seasonal variations of dissolved oxygen levels were observed, with increases in late autumn and winter due to wind-driven water movement and decreasing water temperature.
- pH value plays a crucial role in life processes and reflects the pollution level of aquatic environments.
This quiz is about a specific area that underwent land reclamation for agriculture, resulting in a decline of its surface area. The area's surface area changed significantly between the initial measurement and 1974.
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