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Browsing General Biology by Issue Date

Browsing General Biology by Issue Date

Now showing items 1-20 of 432

A Comparative Study on the Effect of Gulein Three Areas: Sendafa , Debre Berhan and Fiche

Kifle, Anketsebrhan (Addis Ababa University, 1980-06)

Samples were collected from the three sites: Sendafa, Debte Ilerhan and Fiche to study changes induced by "Guie" practice. 'l'he chemical and physical changes as well as the growth of barley in these soils was compared ...
An Eco-Physiological Study of Cultivated Barleys in welmera

Asfaw, Zemede (Addis Ababa University, 1980-06)

In eco-physiological studies, problems that originate from field , , observations aretack~d both through field work and laboratory studies. This paper presents e study made on the eco-physiology of barley (Hordeum Sect. ...
The Application of the Enzyme Linked immunosorbent Assay (Elisa) In t'he Sehodiagnosis of Schistosoniasis

Taticheff, Seyoum (Addis Ababa University, 1980-06)

A description of the schistosome parasite and its life cycle, its immunology and the fact that the parasite causes a disease of world-wide significance is made. The existing distribution of schistosomiasis in Ethiopia ...
An Ecological Study of the Hontane Grassland Vegetation in Holmzra Horeda

Woldu, Zerihun (Addis Ababa University, 1980-07)

A study of the erasslands in \/olmera \Iereda was made from A August 1979 to October 1979. One hundred and twenty stands were systematically sampled and the occurence of 118 plant species in the stands recorded. Some ...
A S'l'udy on the STructure of A Hon'fane Forest - the Menagesha State Forbst

Demissew, Sebsebe (Addis Ababa University, 1980-07)

In order to have a better management for existing forests, and to reafforest devegetated areas an ecological study of forests is indispensable. Menagesha State Forest which is one of the few remaining forests in Central ...
A Preliminary Study of the Fungal Flora of Ethiopian Cereal Grains with Special Ehphasis on the Prevalence of Toxicogenic Groups

Abate, Dawit (Addis Ababa University, 1982-06)
A Palyological- Taxonomic Study of the: Genus Asystmlia and A Palynological S'rully of Some related Genera in the Acanthaceae

Kelbessa, Ensermu (Addis Ababa University, 1982-06)

The pollen morphology of nineteen species of Acanthaceael nine of AsystaEia and ten of five other genera have been investigated using light and/or electron microscopes. The five genera Graptophyllum, Jacobinia, Just;'cia, ...
Gtaphylogocous Aureus from Surgigal Departments of Hosptals I Naddis Ababa Staff Carriage Rates, Environmental Contamination and Antibiograms

Tewodros, Wezenet (Addis Ababa University, 1982-06)

Six hundred strains of Staph;zlococ£~ aur:::.us were isolated from the Black Lion Teaching Htispital Surgical Department environment (353), from the nose, wrist and arm skin of surgical staff of six selected hospitals ...
The .in and Vivo Nitrate Reeducates Activity in Tef (Eragrostis Tef (Zucc.) Trotter) Under Different Assay Conditions

Negash, Legsse (Addis Ababa University, 1982-06)

The presence, substrate inducibility and regulations of the enzyme nitrate reductase (NADH: Nitrate Oxidoreductase, . . E.C. 1.6.6 .• 1)(NR) of both dark-grown and light-grown tef plants (Eragrostis ~ (Zucc.) 'rrotter) ...
The Effect of Different Soils on the Gorwth and Yield of Some TEf Cultivars

Isak, Sirak (Addis Ababa University, 1982-06)

Observation of yields of tef tested in national yield trials (NYT) at different sites and at different times have given variable results. It ~/aS assumed that differences in the tef yields ~Iere probably due to environmental ...
Adoptive Transferor Lymphocytes And Its Role In Protecton Against Schist soma Manzoni Infection In Arvcicanthus Sp Rats

Nengestou, Seyoum (Addis Ababa University, 1982-07)

adoptive transfer of protection from inducted donor acanthus !!l? rats to uninstructed recipients was attempted by va~yj.ng some parameters such as the inf8ction period of donor rats and the time of transfer relative ...
Comparative Studies on the Ecology of Bi0mphalaria Pfeifferi (Krauss, 1847) in Non Endehic and Endehic Areas of Schistosoma Hansoni (Sambon. 1907) in Ethiopia.

Lakew, Mekuria (Addis Ababa University, 1983-02)

The region of Debre Berhan, Where schistosomiasis is not endemic, Vias compared with a' well established focusof S.mansoni, vlonji , with regard to climate, snail habitat s and snail differences in susceptibility and ...
The Effects of Hypoxia and Hypercapnia o n plasma Renin Activity in the Rabbit

Negatu, Zleleke (Addis Ababa University, 1983-05)
The Prevallence of Salhonella,Shigellfl and Yersinia Enterocolitica in Adult Diarhoea,L Out-Patients in Sone Hospitals ofAddis Ababa

Ashenafi, Mogessie (Addis Ababa University, 1983-05)

Ninety strains of Shigella and forty-five strains of aslwoel Salmonella Here isola ted from 1000 adult dip,rrho eal ou t-pa tien ts from three hospitals and three clinics in Addis Ababa. No .Yersinia enteroco1i tica "as ...
Isolation and Characterization of Aerobic Cellulose-Degrading Microorganisns

Assefa, Fassil (Addis Ababa University, 1983-06)

Seventeen species of cellulose-degrading fungi that fall into fifteen genera were isolated from decomposing plant matter, p;arden soil, arable soil and manure. They were Alternaria sp., Aspergillus ilayus, ~. ...
Studies on the·tsetse flies of the Finchaa River . Valley

Tikubet, Getachew (Addis Ababa University, 1983-06)

A year-round ecological study of G. lrorsitans ugandi.>nsis \<las carried out fran SeptEmber 1980 to August, 1981 in the Finchaa River Valley in the \'lestem part of Ethiopia. Three different sarrpling rrethods, naJ1\31y ...
Hook ohm Studies In Ethiopia Investigations In Gondar and G.Jam Regions

Jemaneh, Leykun (Addis Ababa University, 1983-06)
Studies on the Antllhopophilicc Species Of Simulium in the Ghibe River Vaney

Gebre, Teshome (Addis Ababa University, 1983-06)
A Study of Seasonal Variation of Phytoplankton in Relation to Variation in Water Quality In Lege Dadi Reservoir

Mesfin, Melaku (Addis Ababa University, 1983-12)

The quality of I'later in Lege Dadi reservoir was assessed in terms of its physical, ohemioal and biological oharacterstics for a period of one year from June 1982 - May 1983. Physical and chemical characterstios of ...
Vegetation Succession in the Volcanic Region Between Kulumsa and Metahara

Habtemariam, Isaac (Addis Ababa University, 1984-06)

Six sites \'/ere studied in the Ethiopian Rift Valley in the Administrative Regions of Shoa and Arsi \Vhere volcanic eruptions had taken place at different times. The aim of the study ~las to determine vegetational ...

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