African Journal of
Environmental Science and Technology

  • Abbreviation: Afr. J. Environ. Sci. Technol.
  • Language: English
  • ISSN: 1996-0786
  • DOI: 10.5897/AJEST
  • Start Year: 2007
  • Published Articles: 1126

Table of Content: January 2015; 9(1)

January 2015

Biomonitoring of heavy metals pollution in Lake Burullus, Northern Delta, Egypt

Aquatic macrophytes and benthos are unchangeable biological filters and they carry out purification of the water bodies by accumulating dissolved metals and toxins in their tissues. In view of their potential to entrap several toxic heavy metals, 3 groups of benthos and 6 macrophytes (submerged species: Potamogeton pectinatus, Ceratophyllum demersum and Najas armata); (floating species: Lemna gibba and Eichhornia...

Author(s): Elsayed M. Ali. Nafea and Mohamed A. Zyada

January 2015

Effects of NPK fertilizer on the shoot growth of Vitellaria paradoxa C.F. Gaertn.

This study examined the effects of different levels of NPK fertilizer on the growth of Vitellaria paradoxa . Shoot height, collar diameter and leaf productions were assessed fortnightly up to the sixteenth week after transplanting. The results showed that there were no significant differences (P < 0.05) among the treatments in shoot height, collar diameter and leaf production. It was observed that shoot height of...

Author(s): Yakubu F. B., Asinwa I. O., Shodeke D. K. A., Williams, O. A. and Obekpa N. B.

January 2015

Correlation and path coefficient analysis of yield characters of bambara (Vigna subterranea L.Verdc.)

The study was conducted to determine the inter-relationship between grain yield of Bambara groundnut and its various yield characters at Samaru (11°11’N, 07°38’E, 686 m above sea level) in the Northern Guinea Savanna of Nigeria, using simple correlation and path coefficient analyses.  The result reveals strong positive correlation between number of pods/plants (r = 0.74**), 100-grain weight (r=...

Author(s): S. M. Maunde, B. Tanimu and M. Mahmud

January 2015

Ecological value orientations of prospective secondary school teachers in Addis Ababa University, Ethiopia

The value orientation of a person is highly likely to have consequences in his/her attitudes and behavior. The study reported in this paper examined the ecological/environmental value orientations of prospective secondary school teachers enrolled at Addis Ababa University for a one year Postgraduate Diploma in Teaching (PGDT) program. An environmental and sustainability literacy questionnaire (ESLQ) was used to measure...

Author(s): Aklilu Dalelo

January 2015

Dimensions in rural water coverage and access in Akwa Ibom State, Nigeria

This study examined the levels of rural water access and coverage in Akwa Ibom State, Nigeria. In Akwa Ibom State, there are two statutory bodies involved in water supply: Akwa Ibom State Water Company Limited and Akwa Ibom State Rural Water Supply and Sanitation Agency. Apart from these two statutory bodies, the federal government, United Nations Development Programme (UNDP), Exxon Mobil, and other foreign bodies are...

Author(s): Jacob Atser and Peter U. Udoh

January 2015

An assessment of flood vulnerability on physical development along drainage channels in Minna, Niger State, Nigeria

The occurrence of floods and its effects on human existence as well as the general environment has unfortunately been on the increase owing to human-induced climate change. Consequently, the vulnerability of the poor and the downtrodden has also increased; therefore the need to embark on sustainable human settlement development as well as awareness creation on the effects of flooding. As a result of this, this paper set...

Author(s): Musa  Dalil, Nda Hauwa Mohammad, Usman Mohammad Yamman, Abdul Husaini and Sanni Lekan Mohammed

January 2015

Species composition and biomass of annelids of Wular Lake, a Ramsar site in Kashmir, India

During the present investigation of Wular lake in terms of species composition and biomass of annelids, 10 taxa were recorded which belonged to two major classes namely Oligochaeta (7) and Hirudineae (3). The class Oligochaeta included Limnodrilus hoffmeisteri, Tubifex tubifex, Branchiura sowerbyii, Nais sp., Aelosoma sp., Pristina sp. and an unidentified taxion. Similarly, the class Hirudinaea was comprised by...

Author(s): Rafia Rashid, Ashok Kumar Pandit and Sami Ullah Bhat

January 2015

Climate change, environmental security and displacement in Nigeria: Experience from the Niger Delta Flood Disaster, 2012

The coastal regions of Africa are prone to series of environmental disasters arising from vulnerability of climate change. The October 7th and November 3rd, 2012 coastal floods in the Niger Delta region Nigeria, provides an evidence of the persistence and inevitability of climate change vulnerability which has been an issue of global concern with potential for havoc on human existence including environmental security,...

Author(s): Luke Amadi and C. U. Mac Ogonor