MASC520 PROCESSES IN THE EUPHOTIC ZONE

Course Objectives

Knowledge (Remember & Understand)

• Define the euphotic zone and explain its physical and optical characteristics
• Describe the major biogeochemical cycles operating in the upper ocean
• Identify key phytoplankton groups and their ecological roles
• Explain the principles of photosynthesis and primary production in marine environments

Application & Analysis

• Calculate primary production rates using standard oceanographic methods
• Analyze nutrient uptake kinetics and limitation patterns in marine systems
• Interpret optical data to assess water column properties and photic depth
• Evaluate the factors controlling phytoplankton community structure and succession

Synthesis & Evaluation

• Integrate physical, chemical, and biological processes to explain ecosystem dynamics
• Assess the impacts of environmental change on euphotic zone processes
• Design experiments to investigate specific aspects of upper ocean ecology
• Critically evaluate current research on marine primary production and food web dynamics

Skills & Competencies

• Process and analyze oceanographic datasets using appropriate software tools
• Communicate scientific findings through written reports and oral presentations
• Work collaboratively to solve complex oceanographic problems
• Apply systems thinking to understand interconnected marine processes

Course Content

The optical properties of the upper water column; photosynthetic activity; light adaptation; nutrient availability; nutrient uptake kinetics; primary production; remineralization processes and grazing; general aspects of the ecosystem of the lower trophic levels in the marine environment.

Course Learning Outcomes

By the end of this course, students will demonstrate the ability to:

• Explain the interactions between light, nutrients, and biological processes that control productivity and ecosystem dynamics in the euphotic zone
• Calculate and interpret primary production rates, nutrient uptake kinetics, and optical properties using standard oceanographic methods
• Analyze phytoplankton community structure and trophic interactions in relation to environmental drivers and seasonal variability
• Evaluate the role of microbial processes, grazing, and remineralization in euphotic zone biogeochemical cycles
• Synthesize multi-disciplinary data to assess ecosystem responses to environmental change and human impacts
• Communicate scientific findings effectively through data analysis, written reports, and oral presentations