Difference between revisions of "Template:POTD protected"

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|style="padding:0 0.9em 0 0;" | [[File:The Billboard1 - Sarnoff mts.jpg|300px|thumb]]
|style="padding:0 0.9em 0 0;" | [[File:Lichenson Heard Island.jpg|300px|thumb]]
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'''[[The Billboard]]''' is a massive granite monolith in the [[Sarnoff Mountains]] of the [[Ford Ranges]] of [[Westarctica]] standing just west of [[Mount Rea]] between [[Arthur Glacier]] and [[Boyd Glacier]]. It was discovered in November 1934 by a Second Byrd [[Antarctica|Antarctic]] Expedition (1933–35) sledge party under [[Paul A. Siple]], and is so named because of its form and appearance with vertical faces rising above the continental [[ice]].
A '''[[lichen]]''' is a composite organism that arises from algae or cyanobacteria living among filaments of multiple fungi in a symbiotic relationship. The combined lichen has properties different from those of its component organisms. Lichens come in many colors, sizes, and forms. The properties are sometimes plant-like, but lichens are not plants.


The summit was first visited by Bruce Luyendyk and Kuno Lecha by helicopter in January 1993 during expedition GANOVEX VII. In 1998-99, Christine Siddoway led a geological party from Colorado College that reached the summit by climbing a west route.
Lichens occur from sea level to high alpine elevations, in many environmental conditions, and can grow on almost any surface. Lichens are abundant growing on bark, leaves, [[moss|mosses]], on other lichens, and hanging from branches "living on thin air" (epiphytes) in rain forests and in temperate woodland. Different kinds of lichens have adapted to survive in some of the most extreme environments on Earth: [[Antarctica]], hot dry deserts, rocky coasts, and toxic slag heaps.


<p><small>Photographer: Tim Burton</small></p>
<p><small>Photographer: Kate Kiefer</small></p>
[[:Category:Images|'''(More Images)''']]
[[:Category:Images|'''(More Images)''']]
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Revision as of 03:29, 2 October 2023

Lichenson Heard Island.jpg

A lichen is a composite organism that arises from algae or cyanobacteria living among filaments of multiple fungi in a symbiotic relationship. The combined lichen has properties different from those of its component organisms. Lichens come in many colors, sizes, and forms. The properties are sometimes plant-like, but lichens are not plants.

Lichens occur from sea level to high alpine elevations, in many environmental conditions, and can grow on almost any surface. Lichens are abundant growing on bark, leaves, mosses, on other lichens, and hanging from branches "living on thin air" (epiphytes) in rain forests and in temperate woodland. Different kinds of lichens have adapted to survive in some of the most extreme environments on Earth: Antarctica, hot dry deserts, rocky coasts, and toxic slag heaps.

Photographer: Kate Kiefer

(More Images)