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Gammarus Fossarum
''Gammarus fossarum'' is a species complex of freshwater amphipod crustacean native to Europe. They are abundant members of the macroinvertebrate community, and also used as model organisms for ecotoxicology. Description ''Gammarus fossarum'' go through nine or ten moults of their exoskeleton before reaching sexual maturity; weighing just 0.1 mg at birth, by adulthood they have a wet weight of 5 to 7 mg. Adult ''G. fossarum'' are between 4.5 and 10 mm in length, and weigh up to 41 (females) to 61 (males) mg wet weight. Distribution ''Gammarus fossarum'' are widely distributed throughout central and southeastern Europe. They are found in France, Italy, Germany, Switzerland, Austria, Slovenia, Serbia, the Netherlands, Belgium, Hungary, Croatia, Albania, Bulgaria, and Bosnia and Herzegovina. It was previously thought to be a single species based on morphological characteristics, however genetic and genomic research has revealed additional diversity within ''G. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Carl Ludwig Koch
Carl Ludwig Koch (21 September 1778 – 23 August 1857) was a German entomologist and arachnologist. He was responsible for classifying a great number of spiders, including the Brazilian whiteknee tarantula and common house spider. He was born in Kusel in the Holy Roman Empire, and died in Nuremberg, Germany. Carl Ludwig Koch was an inspector of water and forests. His principal work ''Die Arachniden'' (1831–1848) (16 volumes) was commenced by Carl Wilhelm Hahn (1786–1836). Koch was responsible for the last 12 volumes. He also finished the chapter on spiders in ''Faunae insectorum germanicae initia oder Deutschlands Insecten'' [Elements of the insect fauna of Germany] a work by Georg Wolfgang Franz Panzer (1755–1829). He also co-authored, with Georg Karl Berendt, an important monograph ''Die im Bernstein befindlichen Myriapoden, Arachniden und Apteren der Vorwelt'' (1854) on arachnids, myriapods, and wingless insects in amber based on material in Berendt's collection, now ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |