File:Flickr - brewbooks - Magnetic Termite mound - Litchfield National Park.jpg

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The biological significance of Magnetic Termite mounds

The “Magnetic Termite” Amitermes meridionalis occurs only in a small part of the Northern Territory of Australia and builds famous wedge-shaped mounds with an elongated axis that is orientated in a striking north-south direction. This shape is unique among all other termite mounds which are always more or less spherical and many hypotheses have been advanced to explain the remarkable shape and orientation. Most of these investigations focus on the orientation, but the biological significance of the shape is rarely explored. The currently accepted hypothesis considers shape and orientation as adaptation to maintain a thermo stable eastern face. In contrast to this we consider habitat conditions, such as heavy rainfalls and regularly flooding in the wet season, as most important for the evolution of this shape. iussi.confex.com/iussi/2006/techprogram/P1435.HTM


Kingdom:Animalia Phylum:Arthropoda Class:Insecta Subclass:Pterygota Infraclass:Neoptera Superorder:Dictyoptera Order:Isoptera Family: Termitidae


Litchfield National Park, Northern Territory, Australia

i09_0501 042
日期
來源 Magnetic Termite mound - Litchfield National Park
作者 brewbooks from near Seattle, USA
拍攝地點13° 06′ 10.99″ 南, 130° 50′ 38.68″ 東 Kartographer map based on OpenStreetMap.位於此地的本圖片與其他圖片: OpenStreetMapinfo

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This image, originally posted to Flickr, was reviewed on 15 June 2012 by the administrator or reviewer Matanya, who confirmed that it was available on Flickr under the stated license on that date.

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視角坐標 繁體中文 (已轉換拼寫)

13°6'10.991"S, 130°50'38.681"E

曝光時間 繁體中文 (已轉換拼寫)

0.005 秒鐘

焦距比數 繁體中文 (已轉換拼寫)

2.8

焦距 繁體中文 (已轉換拼寫)

5.8 公釐

ISO速度 繁體中文 (已轉換拼寫)

80

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目前2012年6月15日 (五) 07:48於 2012年6月15日 (五) 07:48 版本的縮圖2,448 × 3,264(6.2 MB)Matanya== {{int:filedesc}} == {{Information |Description=The biological significance of Magnetic Termite mounds The “Magnetic Termite” Amitermes meridionalis occurs only in a small part of the Northern Territory of Australia and builds famous wedge-shape...

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