Physicochemical and microbial characterization of somberiro river in ahoada east local government area, Rivers State, Nigeria

A total of six water samples collected at three different stations from Somberiro River were analyzed for the physico – chemical and bacteriological parameters. The physico – chemical parameters recorded highest concentration in site A except in conductivity while Phosphate, Potassium and Nitrate were found higher in site C and site B recorded highest in […]

Effect of protected area category on mammal abundance in Western Ghana

A comparative study of the species composition and encounter rates of mammals (>400g) in two different protected area categories was conducted in the Bia-Goaso Forest Block in western Ghana from April 2008 to February 2009. One hundred and eighty-seven line transects were systematically distributed in an extensive network of 2 wildlife reserves and 9 forest […]

Contribution to the red list of plants of Pakistan: A Review

Pakistan is blessed with a variety of plants that are being used for multiple purposes. The properties and proper uses of a small friction of these plants are known at community level and end users but many have still to be explored for their values. Due to population explosion, poverty and ignorance, the comparatively richer […]

New sources of resistance to spotted stem borer, Chilo partellus in sorghum

The lepidopteran Chilo partellus Crambid, an introduced pest in East and southern Africa from Asia, is the most economically important stem borer species infesting cereals in Africa. Chilo partellus causes more than 40% yield loss in sorghum in East Africa. Cultural strategies, biological control using parasitoids, as well as pesticides are being employed, but are […]

An ethnobotanical portrait of a village: Koikuri, Dinajpur with reference to medicinal plants

An ethnobotanical study of the village Koikuri, under Birol Upazilla of Dinajpur district was made. Information gathered through structural questionnaire and interviews shows that in the village, among 111 households 18 belong to the Santhal tribe who mostly use different plant species for their diseases and ailments. During the survey, 76 plant taxa belonged to […]

Biofillm: multicellular living of the unicellular bacteria

Unicellular bacterium in nature prefers to gather round to form a surface attached multi-cellular consortium called biofilm rather than living as an isolated planktonic cell. Biofilms comprise of the bacterial cells attached to a biotic or abiotic surface and the extracellular polymeric substances excreted by the participant cells. Many bacteria can detect environmental signals and […]

Management effects on vegetation characteristics of pastures in north of Iran

In this study some characteristics of vegetation, including canopy, plant composition, forage production and pasture condition in the pastures with different management including the grazed, short-term exclosure and long-term exclosure pastures located at watershed area in Kojur River in Chaloos-Iran were studied. To study the vegetation in each Pasture, four transects with 50 meters were […]

Limnological features of Ikere Gorge Reservoir, Iseyin south-western Nigeria: Plankton composition and abundance

A study of plankton composition of Ikere gorge reservoir Iseyin, South Western Nigeria was conducted from July to December 2007. The plankton taxa encountered were- Protozoa (10), Rotifera (9), Copepoda (4) Cladocera (4), Ostracoda (1), Insecta (1), Arachnida (1), Cyanophyceae (7), Bacillariophyceae (8), Chlorophyceae (22) and Euglenophyceae (1). Chlorophyceae were more abundant among phytoplankton throughout […]

The nutritional and mycoflora changes during storage of groundnut (Arachis hypogea)

The nutritional and mycoflora changes of groundnut (Arachis hypogea) were investigated during a storage period of twenty weeks. A total number of seven fungal species were identified namely, Aspergillus flavus, Aspergillus niger, Aspergillus fumigatus, Rhizopus sp., Penicillium sp., Mucor sp. and Fusarium sp. The resultsof proximate analysis in g/100g showed that ash decreased from 2.78 […]

Antimicrobial activities of the root, stem and leaf extracts of Argemone mexicana L.

The present study was designed to evaluate the antibacterial activity of the aqueous, acetone, ethanol and chloroform extracts of the leaves, stem and root of Argemone mexicana L. (Papaveraceae) using agar well diffusion method against four strains of bacterial species, namely, Escherichia coli, Klebsiella pneumoniae, Bacillus cereus and Staphylococcus aureus. Among various extracts studied, the […]