Tag: phytoplankton

Ocean Seeding – A New Technology that can Save Marine Life

Ocean Seeding – A New Technology that can Save Marine Life

By Micah Moen 29 Comments November 9, 2019

People have relied on the abundance of the ocean since the beginning of human history. But things are rapidly changing. Scientists project that by 2048 the ocean will be depleted and fisheries will cease to exist. Billions of people rely on fish as their primary source of food and income – a number that will […]

What’s Hiding at the Most Solitary Place on Earth? The Deep Sea

What’s Hiding at the Most Solitary Place on Earth? The Deep Sea

By Micah Moen 100 Comments October 17, 2019

Sometimes the world feels, hmm, boring. We’ve visited all the remote islands, conquered the Arctic, and penetrated the deepest jungles. But there is still one place to explore. It’s a wet and deadly desert inhabited by mysterious creatures living in total darkness. The deep sea. Let’s dive down. [♫ Catchy Intro Jingle ♫] When we […]

Space Mirrors and Other Weird Ways to Fight Climate Change

Space Mirrors and Other Weird Ways to Fight Climate Change

By Micah Moen 24 Comments September 29, 2019

Today on Reactions: craziest ideas to combat climate change. Let’s do this. First up: massive gigantic enormous space mirrors. The Sun is constantly emitting all kinds of light — including visible, ultraviolet, and infrared— which heat up the Earth. A space mirror is designed to cast a small shade on the Earth and reduce the […]

Small but mighty – studying marine phytoplankton

Small but mighty – studying marine phytoplankton

By Micah Moen 0 Comment August 17, 2019

I’m Diana Varela, I’m a biological oceanographer at the University of Victoria. And I study the ecology and physiology of marine phytoplankton. Marine phytoplankton are microscopic single-cell organisms that live in the top of the oceans, about 100 metres of the ocean surface. Marine phytoplankton are important because they are the foundation of marine ecosystems, […]

Eutrophication Explained

Eutrophication Explained

By Micah Moen 52 Comments August 13, 2019

[birds chirping, water flowing] [music] Plants require several things to grow. Most of us know that they need things like water, sunlight, and CO2, but plants also need a variety of nutrients as well: things like nitrogen and phosphorus. Usually, plants will get all the required nutrients from the soil through their roots. But, when […]

The Secret Life of Plankton

The Secret Life of Plankton

By Micah Moen 100 Comments August 11, 2019

[Stories from the Sea] [Fish Tale My Secret Life as Plankton] How did I get here? Well, it’s a stranger story than you might think. I came from a world of drifters, a place few humans have ever seen. The world of plankton. I came from a batch of a million eggs, and only a […]

The Marine Ecosystem

The Marine Ecosystem

By Micah Moen 0 Comment August 11, 2019

There are situations when the pyramid looks different. In marine ecosystems, the producers are phytoplankton, which are small, drifting water plants. At any given point, the amount of biomass, or the total amount of living matter, at the T1 level is less than the biomass of consumers it supports. However, the ecosystem is still in […]

Ecosystems on the Edge: Underwater Light and Seagrass

Ecosystems on the Edge: Underwater Light and Seagrass

By Micah Moen 1 Comment July 31, 2019

light is the most important form of energy for marine life without light vegetation such as sea grasses would not grow sea grasses are home to many of the oceans smaller and juvenile animals without sea grasses the marine ecosystems that provide food to hundreds of millions of people around the world will be at […]

Ecosystems on the Edge: Nutrient Odyssey

Ecosystems on the Edge: Nutrient Odyssey

By Micah Moen 3 Comments July 31, 2019

the problem here in the Chesapeake Bay is this too much nutrients entering the bay every day billions of gallons of water flow into the Chesapeake Bay carrying among other things nitrogen and phosphorus these nutrients normally give life but if there are too much of them it can become very difficult for fish and […]

Climate Variation, Food Availability, and Deep-Sea Ecosystems