HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS		QUICK SEARCH:   [advanced] Author: Keyword(s): Year:  Vol:  Page:

This Article Abstract Full Text Free Full Text (PDF) Free Alert me when this article is cited Alert me if a correction is posted Services Related articles in JEQ Similar articles in this journal Similar articles in ISI Web of Science Similar articles in PubMed Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via HighWire Citing Articles via ISI Web of Science (6) Citing Articles via Google Scholar Google Scholar Articles by Bomo, A.-M. Articles by Hanssen, J. F. Search for Related Content PubMed PubMed Citation Articles by Bomo, A.-M. Articles by Hanssen, J. F. Agricola Articles by Bomo, A.-M. Articles by Hanssen, J. F. Related Collections Water Management Water Quality Other Environmental Contamination Other Waste Management

Bacterial Removal and Protozoan Grazing in Biological Sand Filters

^a Department of Mathematical Sciences and Technology, Agricultural University of Norway, P.O. Box 5003, 1432 Ås, Norway
^b Technical Department of Ski County Council, P.O. Box 3010, 1402 Ski, Norway
^c Department of Chemistry, Biotechnology and Food Science, Agricultural University of Norway, P.O. Box 5040, 1432 Ås, Norway

View larger version (25K): [in a new window]   Fig. 1. Concentration of Aeromonas hydrophila (AH water) in filter effluents (in colony forming units [CFU] mL–1) and protozoan numbers (PR) in top, middle, and bottom layers of the sand columns (protozoa g–1 dry wt. sand). Error bars = standard deviations (n = 3).

View larger version (16K): [in a new window]   Fig. 2. Concentration of Aeromonas hydrophila in sand in different layers in filter columns (colony forming units [CFU] g–1 dry wt. sand). Results are log10–transformed. Error bars = standard deviations (n = 3).

View larger version (15K): [in a new window]   Fig. 3. Concentration of culturable bacteria (HPC) in sand in different layers in filter columns (colony forming units [CFU] g–1 dry wt. sand). Results are log10–transformed. Error bars = standard deviations (n = 3).

View larger version (15K): [in a new window]   Fig. 4. Numbers of total bacterial cells in sand in different layers in filter columns (cells g–1 dry wt. sand). Results are log10–transformed. Error bars = standard deviations (n = 3). Bacterial numbers on Day 21 not determined.