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Lichen, vertical cut
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Lichen, vertical cut
Lichen, vertical cut. tundra near Dikson, typical. Russian Arctic. August
Mary Evans Picture Library makes available wonderful images created for people to enjoy over the centuries
Media ID 14173976
© Andrey Zvoznikov / ardea.com
EDITORS COMMENTS
1. Title: "A Vertical Slice of Arctic History: The Resilient Lichen in the Russian Tundra" In this evocative image, a vertical cut through a patch of lichen-covered tundra near Dikson, Russia, reveals a fascinating glimpse into the rich history and resilience of these ancient organisms. The Russian Arctic, with its harsh climate and extreme conditions, presents a challenging environment for plant life. Yet, lichens, as one of the oldest and most hardy forms of life on Earth, have thrived in this landscape for millennia. Lichen is not a single organism but a symbiotic relationship between a fungus and a photosynthetic partner, often an alga or a cyanobacterium. This unique partnership allows lichens to survive in environments where other plants cannot, such as the Arctic tundra. The vertical cut showcases the intricate layers of the lichen, revealing the various colors and textures that make up this complex organism. The history of the Arctic and its inhabitants is deeply intertwined with the lichen. Indigenous peoples, such as the Nenets and the Sami, have relied on lichens for food, shelter, and various other uses for centuries. The reindeer, a staple food source for these communities, feed on lichens during the winter months when other vegetation is scarce. Moreover, lichens have played a crucial role in scientific research, particularly in the fields of biology, geology, and climate science. They serve as bioindicators, providing valuable information about the health and productivity of ecosystems, as well as the effects of pollution and climate change. This image invites us to appreciate the beauty and importance of lichens in the Arctic ecosystem and beyond. It serves as a reminder of the resilience and adaptability of life in the face of adversity and the intricate web of connections that binds the natural world together.
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