African Journals On-line
SINET: Ethiopian Journal of Science

Volume 20, Number 1, June 1997.

RESEARCH ARTICLES

Statistics

A comparative study of a family of estimators for the common mean of several normal populations. Abebe Tessera. Pages 1-12.

Fisheries Biology

Diet composition, length-weight relationship and condition factor of Barbus species Rüipell, 1836 (Pisces: Cyprinidae) in Lake Awassa, Ethiopia. Demeke Admassu and Elias Dadebo. Pages 13-30.

Breeding season, fecundity, length-weight relationship and condition factor of Oreochromis niloticus L. (Pisces: Cichlidae) in Lake Tana, Ethiopia. Zenebe Tadesse. Pages 31-47.

Geology

Magma-crust interaction during emplacement of Cenozoic volcanism in Ethiopia: geochemical evidence from Sheno-Magezez area Central Ethiopia. Gezahegn Yirgu. Pages 49-72.

Ecology

Crop associations of home gardens in Welayta and Gurage in Southern Ethiopia. Zemede Asfaw and Zerihun Woldu. Pages 73-90.

Food microbiology

Evaluation of the spoilage potential of selected bacterial isolates on Ethiopian sauces and effect of two major spice formulations on spoilage microorganisms. Mogessie Ashenafi. Pages 91-99.

Bacillus spp from fermented tef dough and kocho: identity and role in two Ethiopian fermented foods. Ayele Nigatu, Berhanu A Gashe and Tarekegn Ayele. Pages 101-114.

FEATURE ARTICLE

The Blue Nile river basin: the need for new conservation-based sustainability measures. Mengistu Woube. Pages 115-131.

SHORT COMMUNICATIONS

New plant records for Ethiopia. Tesfaye Awas, Sebsebe Demissew and Tamrat Bekele. Pages 133-138.

Essential oils of five Eucalyptus species grown in Kenya. Pauline Muchori, Lawrence Mang'uro, Ben Chikamai, Ermias Dagne and Tefera Bekele. Pages 139-143.