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Books > Science & Mathematics > Biology, life sciences > Life sciences: general issues > Ecological science, the Biosphere
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Ecology and Evolution of the Freshwater Mussels Unionoida (Paperback, Softcover reprint of the original 1st ed. 2001)
Loot Price: R4,846
Discovery Miles 48 460
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Ecology and Evolution of the Freshwater Mussels Unionoida (Paperback, Softcover reprint of the original 1st ed. 2001)
Series: Ecological Studies, 145
Expected to ship within 10 - 15 working days
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All those who think that bivalves are boring are in the best
company. Karl von Frisch is reported to have turned the pages more
quickly in texts where bivalves were treated because, according to
him, they literally lack any behaviour. The fact that they can
filtrate huge amounts of water, burrow into the sedi ment, actively
swim, drill holes into rocks and boats or detect shadows with the
aid of pretty blue eyes located on the rim of their mantle
obviously left v. Frisch unimpressed. Why, then, a book on the
large freshwater mussels (Naiads or Unionoida), which on first
sight are much less spectacular than the marine ones? The main
reason is that they are keepers of secrets which they reveal only
on close and careful inspection. This is not only true for the
pearls some species produce and which over centuries have
contributed to the treasures of bishops and kings, but particularly
for their ecology: their life cycles are linked with those of
fishes, some can occur in incredible densities and some can live
for more than 100 years. Thus, the presence or absence of naiads in
a lake or stream has manifold implications."
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