Evaluate the given scenario and determine the primary cause for this observation: 1. shipping and transportation of goods 2. periodic extended droughts 3. increased freshwater poll... Evaluate the given scenario and determine the primary cause for this observation: 1. shipping and transportation of goods 2. periodic extended droughts 3. increased freshwater pollution from various settlements 4. increased freshwater needs owing to coastal developments.
Understand the Problem
The question is asking to evaluate the situation of the estuary near St Lucia in South Africa, where it has dried up and is permanently cut off from the sea, leading to a decrease in endemic estuarine organisms. We need to determine which of the given options is the primary cause of this observation.
Answer
Periodic extended droughts.
The primary cause for the observation is likely periodic extended droughts.
Answer for screen readers
The primary cause for the observation is likely periodic extended droughts.
More Information
Periodic extended droughts can lead to significant changes in water availability, impacting ecosystems, agriculture, and human settlements.
Tips
One common mistake is assuming that pollution or increased water usage is always the most direct cause, but water availability changes can often be attributed to weather patterns like droughts.
Sources
- Answers to: Members of a growing settlement near St Lucia in South ... - classace.io
- National Legislation and Policies to Combat Land Degradation in - coursesidekick.com
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