Altitudinal zonation of Ruwenzori, Virunga volcanoes and Kahuzi, after Fischer, 1996, Bonner zoologische Monographien<br><p><b>Title</b>: Bonner zoologische Monographien<br><b>Identifier</b>: bonnerzoologis462000bonn (<a class="external text" href="https://commons.wikimedia.org/w/index.php?title=Special%3ASearch&amp;profile=default&amp;fulltext=Search&amp;search=insource%3A%2Fbonnerzoologis462000bonn%2F">find matches</a>)<br><b>Year</b>: <a rel="nofollow" class="external text" href="https://www.flickr.com/search/?tags=bookyear1971">1971</a> (<a rel="nofollow" class="external text" href="https://www.flickr.com/search/?tags=bookdecade1970">1970s</a>)<br><b>Authors</b>: <br><b>Subjects</b>: <a rel="nofollow" class="external text" href="https://www.flickr.com/search/?tags=booksubjectZoology">Zoology</a><br><b>Publisher</b>: <a rel="nofollow" class="external text" href="https://www.flickr.com/search/?tags=bookpublisherBonn_Zoologisches_Forschungsinstitut_und_Museum_Alexander_Koenig">Bonn, Zoologisches Forschungsinstitut und Museum Alexander Koenig</a><br><b>Contributing Library</b>: <a rel="nofollow" class="external text" href="https://www.flickr.com/search/?tags=bookcontributorSmithsonian_Libraries">Smithsonian Libraries</a><br><b>Digitizing Sponsor</b>: <a rel="nofollow" class="external text" href="https://www.flickr.com/search/?tags=booksponsorBiodiversity_Heritage_Library">Biodiversity Heritage Library</a><br><br><b>View Book Page</b>: <a rel="nofollow" class="external text" href="https://archive.org/stream/bonnerzoologis462000bonn/#page/n130/mode/1up">Book Viewer</a><br><b>About This Book</b>: <a rel="nofollow" class="external text" href="https://archive.org/details/bonnerzoologis462000bonn">Catalog Entry</a><br><b>View All Images</b>: <a rel="nofollow" class="external text" href="https://www.flickr.com/search/?tags=bookidbonnerzoologis462000bonn">All Images From Book</a><br>
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"123 Altitudinal zonation A detailed description of altitudinal zonation in East Africa was provided by Hedberg (1951). Generally, these high mountains can be divided into the western group (Mt Kahuzi, Nyungwe, Virunga volcanoes and Ruwenzori) with a much more humid climate, and the eastern mountains (Mt Elgon, Aberdares, Mt Kenya, Kilimandjaro, Mt Meru) with a considerably drier climate. Only Mt Kahuzi and Ruwenzori have a direct contact to the lowland rainforests of the Congo basin, while the other mountains are much more isolated and surrounded by savanna vegetation. The vegetation belts of the Kahuzi massif (fig.2), not mentioned by Hedberg, are briefly described here (see also Fischer 1996). From 850 m to 1300 m a.s.l. a mountain rainforest is present. There is a Transition Forest zone from 1300 to 1700 m, followed by a montane forest from 1700 to 2300 m (2400 m). From 2400 to 2600 m the bamboo zone occurs, intermixed with <i>Podocarpus</i>-forest on hill summits, swamps and in various montane forest communities. A <i>Hagenia</i>-<i>Hypericum</i> zone, which is well developed on the Virunga-Volcanoes, is lacking. The Ericaceous belt begins at 2600 m (Mt Biega) and reaches to 3200 m on Mt Kahuzi. The summit of Mt Kahuzi bears a <i>Dendrosenecio johnstoni</i>-<i>Erica</i>-subparamo and a <i>Helichrysum</i>-<i>Lobelia stuhlmannii</i>-paramo. In spite of the isolate position, Mt Kahuzi has several afroalpine species in common with the Virunga"<br><b>Text Appearing After Image: </b><br>
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