A Comparison of Gravimetric and Photographic Methods of Stream Substrate Analysis in a Study of Benthos Microdistribution

Substrate particle size and the amount of detritus were measured by standard gravimetric sieve analysis and from photographs of the substrate surface. Details of the photographic technique are presented. The effectiveness of these variables in accounting for the variation in the numbers of Gammarus...

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Veröffentlicht in:	Oikos 1979-01, Vol.33 (1), p.74-79
1. Verfasser:	Gee, John H. R.
Format:	Artikel
Sprache:	eng
Schlagworte:	Animals Benthos Cameras Fauna Gravimetry Multiple regression Particle size classes Riverbeds Streams Unconsciousness
Online-Zugang:	Volltext
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