This online lesson will focus on the North American Arctic, which lies above the Arctic Circle. It contains North Canada and the northern part of Alaska. The North American Arctic includes the Arctic Ocean, Hudson Bay, the Gulf of Alaska, and the North Atlantic Ocean.
Reindeer are incredibly adapted to withstand snow and cold. They dig through piles of snow and find enough food to survive long winters. But the snow is changing due to climate change. It can form thick ice crusts that the reindeer cannot dig through. Summers are also getting warmer and wetter. Will the reindeer cope?
What are soils, why are they important and how are they formed? What factors are crucial for their features? Are Arctic soils rich or poor? Is nutrient cycle fast or slow? What brings nutrients to Arctic terrestrial ecosystems?
Genetics is the study of the genes and traits that children inherit from their parents. Recent biotechnology has opened new ways to study this in great detail even for wild animals and fish. In this webinar, you will learn how genetics and genomics can be used to study the impacts of human activities on wildlife populations.
What is really "toxic" and how do we measure it? How does bioaccumulation and biomagnification work, how do toxins affect Arctic ecosystems? What does the Mad Hatter from Alice in Wonderland have to do with the tragic story of the inhabitants of Minamata in Japan? Is Eating Fish Healthy? Can you get a Nobel Prize for a substance that has been harmful to the environment for decades and is advertising worth believing? Learn the secrets of ecotoxicology!
They can be abundant even in the harshest environment. They wait patiently throughout the Polar Night, ready to bloom when sunlight reappears. They produce massive amounts of oxygen, yet they are incredibly tiny... to their advantage. And it's easiest to spot them from... space. Discover the secrets of the Arctic phytoplankton!
This lesson is is focused on the problem of air quality in polar regions. It explains how to define air pollution, presents main air pollutants, their local sources and the problems that they cause in polar environments.
When we are thinking of the northernmost region of Earth - the Arctic - what comes to our mind first? Of course, polar bears! Those animals have high adaptive capacity to the unfriendly, Arctic climate, and every meeting with them is an unforgettable experience.