African Journals Online
SINET: Ethiopian Journal of Science

Vol. 23, No. 1 (June 2000)

Contents

RESEARCH ARTICLES

Fisheries Biology

The food and feeding habit of Oreochromis niloticus L. (Pisces: Cichlidae) in Lake Chamo, Ethiopia 1-12
Yirgaw Teferi, Demeke Admassu and Seyoum Mengistou
Abstract

Seasonal variations determine diet quality for Oreochromis niloticus L. (Pisces: Cichlidae) in Lake Tana, Ethiopia 13 -23
Getachew Teferra, S. H. Bowen, Eyualem Abebe and Zenebe Tadesse
Abstract

Preliminary survey of parasites and bacterial pathogens of fish at Lake Ziway 25-33
Eshetu Yimer
Abstract

Soil Science

Characteristics and classification of soils of Gora Daget forest, South Welo highlands, Ethiopia 35-51
Belay Tegene
Abstract

Response of bread wheat to increasing mustard meal nitrogen application on pellic Vertisol and utric Nitosol 53-66
Balesh Tulema and M. P. Salema
Abstract

Statistics

Total shrinkage versus partial shrinkage in multiple linear regression 67-72
Eshetu Wencheko
Abstract

Microbiology

Common toxigenic Fusarium species in maize grain in Ethiopia 73-86
Tesfaye Wubet and Dawit Abate
Abstract

Characterization of Bacillus spp. from some spices and assessment of their spoilage potential in various traditional Ethiopian sauces 87-101
Feleke Moges and Mogessie Ashenafi
Abstract

SHORT COMMUNICATIONS

Geophysics

Tensional fissures in sediments as signature of rift tectonics in the Main Ethiopian Rift 103-113
Laike Mariam Asfaw
Abstract

Parasitology

Prevalence of intestinal helminthic infections among household rats in Addis Ababa 115-120
Moges Kassa and Tsehai Assefa
Abstract

Microbiology

Resistance patterns of Aeromonas salmonicida to common antimicrobial agents 121-128
Eshetu Yimer
Abstract

Guide to authors and Acknowledgements 129-138