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Pflieger, W. L. (1996). An Introduction of the Crayfish of Missouri. Missouri Conservation Commission. Retrieved August 3, 2024, from http://www.conservation.state.mo.us/nathis/arthropo/crayfish/crayfish.html
Schlüsselwörter: Krebs, Bestimmung
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Lemcke, R. (1999). Untersuchungen zur Populationsökologie des Bachneunauges, Lampertra planeri Bloch 1784, und des Flußneunauges, Lampetra fluviatilis Linnaeus 1758. Rostock: Universität.
Schlüsselwörter: Neunauge, Population, Lampetra planeri, Lampetra fluviatilis, Bachneunauge, Flussneunauge, Wachstum, Alter
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O'Rourke, J. Search and Intersection. Cambridge: University Press.
Schlüsselwörter: Methode, Software, C, GIS
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Angermeier, P. L., & Smogor, R. A. (1995). Estimating number of species and relative abundances in stream-fish communities: Effects of sampling effort and discontinuous spatial distributions (Vol. 52).
Zusammenfassung: The authors sampled fishes and measured microhabitat in series of contiguous habitat units (riffles, runs, pools) in three Virginia streams. Monte Carlo simulations were used to construct hypothetical series of habitat units, then examined how number of species, similarity in relative abundances, and number of microhabitats accumulated with increasing number of habitat units (i.e., sampling effort). The curves indicated that 90% of the species present were usually found by sampling 5 to 14 habitat units (stream length of 22-67 stream widths). Estimates of species relative abundances required less sampling effort for a given accuracy than estimates of number of species. Rates of species accumulation (with effort) varied among streams and reflected discontinuity in species distributions among habitat units. Most discontinuity seemed to be due to low population density rather than to habitat selectivity. Results from an Illinois stream corroborated our findings from Virginia, and suggested that greater sampling effort is needed to characterize fish community structure in more homogeneous stream reaches.
Schlüsselwörter: Fisch, Fließgewässer, Habitat, Verbreitung
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Sterba, G. (1960). Die Neunaugen (Petromyzonidae) (0thVol. Band III).
Schlüsselwörter: Neunauge, Biologie, Anatomie, Grundlagen, Petromyzonidae, Fisch, Fischerei
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Buhse, G. (1980). Fischereibiologische Untersuchungen in der Oberweser (Vol. 43). Frankfurt/Main: Courier Forschungsinstitut Senckenberg.
Schlüsselwörter: Fisch, Vorkommen, Ertrag, Bestand, Chemie, Toxisch, Weser
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Schade, J. - U. (2001). Stille Jagd auf stumme Tiere – Von Fischen, Fischern und Anglern. Potsdam: Ministerium für Landwirtschaft, Umweltschutz und Raumordnung des Landes Brandenburg.
Schlüsselwörter: Fisch, Fischerei, Angeln, Historisch
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Petz-Glechner, R. (2005). Die Namen unserer Fische – eine etymologische Spurensuche: Die Groppe (Vol. 58).
Schlüsselwörter: Fisch, Groppe, Cottus gobio, Etymologie
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Borggreve, B. (1897). Die Wirbelthiere des Regierungsbezirkes Wiesbaden.
Schlüsselwörter: Fisch, Verbreitung, Main
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Kirschbaum, C. L. (1865). Die Reptilien und Fische des Herzogthums Nassau. Wiesbaden.
Schlüsselwörter: Fisch, Verbreitung
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