In winter, dog sleds are the best way to get around, along with snowmobiles. As dogs excrete their waste (front right), nutrients from the waste enter the soil and provide nourishment for plants and microorganisms. (Photo: Michael Wenger) One type of animal living on...
Phytoplankton is the actual food base in the Southern Ocean and all other oceans. The microscopic organisms carry out photosynthesis and require various nutrients for their growth. One of them is manganese. Image: Bank Beszteri, from “Polar Plankton”...