A Deep Dive into Ocean Life Simulation

Ocean Currents & Mixing

The movement of water within the ocean is driven primarily by wind stress and density differences (salinity and temperature). These currents play a critical role in nutrient distribution, influencing where organisms can thrive. Our simulator allows you to adjust parameters like wind speed and salinity gradients to observe how these factors shape current patterns.

Density-driven circulation, also known as thermohaline circulation, is a global system of currents driven by differences in water density. The warmer, less saline surface waters drive this movement, impacting climate patterns worldwide. The simulator models the basic principles of convection.

ρ = ρ₀ + gβΔz (Density variation due to temperature and salinity)

Food Web Dynamics

Marine ecosystems are characterized by intricate food webs, where energy flows from primary producers (like phytoplankton) through various trophic levels. Predator-prey relationships and competition for resources determine population sizes.

The simulator allows you to introduce different species with varying feeding habits – herbivore, carnivore, or omnivore – and observe how their populations respond to changes in food availability and predator numbers. This models the concept of carrying capacity.

dN/dt = rN - mN (Population growth rate: birth rate - death rate)

Biogeochemical Cycling

The cycling of elements like carbon, nitrogen, and phosphorus is fundamental to marine life. Photosynthesis by phytoplankton converts sunlight into chemical energy, while respiration and decomposition return these elements to the water column.

Our simulation incorporates simplified models of nutrient availability and consumption rates, demonstrating how these cycles are affected by factors such as upwelling (bringing nutrient-rich deep water to the surface) and human activities like pollution.

CO₂ + H₂O → CH₂O + O₂ (Simplified Photosynthesis Equation)

Species Interactions & Competition

Competition for resources – food, space, and mates – is a key driver of evolution in marine environments. Different species have evolved unique adaptations to minimize competition and maximize their survival chances.

The simulator allows you to explore competitive exclusion, niche partitioning, and other ecological interactions between different marine organisms. Observe how changes in one population impact the others.

Frequently asked questions

Try it live

Everything above runs in your browser — open Exploring Marine Ecosystems with Our Simulator and change the parameters while it is running. Nothing is installed, nothing is uploaded, the whole model lives in one tab.