What is the cause of the highlighted zone with dissolved oxygen less than 2.0 mg/l? 
Definitions:
Global Leadership Skills
The capabilities necessary for leaders to effectively manage and lead across cultural and geographical boundaries, including communication, adaptability, and strategic thinking.
Global Leadership
The process of influencing others to adopt a positive vision in a global context.
Leadership Development Analyst
A professional specializing in evaluating and creating programs to cultivate leadership qualities within individuals in an organization.
Cultural Intelligence
The knowledge to function effectively across cultural contexts.
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