February 2017

Residents’ perception of solid waste disposal practices in Sokoto, Northwest Nigeria

Proper waste disposal is a key to protecting public health. Thus poorly managed and disposed waste encourages breeding of insect vectors and exposed public to increase risk of infection. This study aimed at determining the residents’ perception about waste disposal in Sokoto metropolis. This was a descriptive cross-sectional survey conducted in Sokoto metropolis. A two stage sampling technique was used to...

Author(s): Kaoje A. U., Sabir A. A., Yusuf S., Jimoh A. O. and Raji M. O.

February 2017

Environmental fate of pesticides applied on coffee crops in southeast of Brazil

The aim of this paper was evaluate the environmental fate of pesticides applied in coffee crops in southeast of Brazil, using the level I fugacity model. Chemical and physical characteristics of the pesticides were considered in different environmental compartments and applied fugacity equations. The preliminary evaluation of contamination risk due the use of pesticides in coffee crops, using fugacity models, proved to...

Author(s): A. F. Saraiva Soares, M. M. D. Leão and M. R. Vianna Neto

February 2017

Effect of degradation on microbiological and physiochemical parameters of domestic wastewaters from the Federal University of Technology, Akure, Nigeria

Domestic wastewater from ten (10) different residential halls in the Federal University of Technology, Akure were collected and analyzed by considering microbiological and physiochemical characteristics and their degradation with time. Pour plating technique was used for the microbiological analysis, physico-chemical parameters were assayed using the American Public Health Association methods, while degradation was...

Author(s): Olayemi Bosede Ogonnoh, Funmilola Oluyemi Omoya and Olubukola Olayemi Olusola-Makinde

February 2017

Pollution by endocrine disrupting estrogens in aquatic ecosystems in Morogoro urban and peri-urban areas in Tanzania

This study aimed to assess the extent of pollution of aquatic ecosystems by endocrine disrupting estrogens particularly the ethinylestradiol (EE2), estrone (E2) and estradiol (E1). The study was carried out in Morogoro urban and peri-urban areas. The main sources of fresh water for domestic uses, fishing and agricultural activities in the study areas including the Mindu dam catchment area, Ngerengere and Morogoro Rivers...

Author(s): Sijaona C. Msigala, Faith P. Mabiki, Bjarne Styrishave and Robinson H. Mdegela