The need to reduce the use of fish-derived oil in aquaculture to enhance the production of low-cost feeds cannot be over emphasized considering the pressure these puts on fish species and numbers. This paper reports findings of an investigation into the nutritional significance o...
Open access
Research Article10.9734/JAERI/2015/14393
Universally, it is agreed that adaptation is largely a social issue (as opposed to purely biophysical or technological). However, it is surprising that gender, one of the social issues is not yet playing a more explicit role in adaptation studies. Hence, in this twenty first cent...
Open access
Research Article10.9734/JAERI/2015/11711
Joel L. Meliyo, Leon Brabers, Boniface H. J. Massawe, Balthazar M. Msanya, Didas N. Kimaro, Loth S. Mulungu, Nganga I. Kihupi, Jozef A. Deckers, Hubert Gulinck & Herwig Leirs·Journal of Agriculture and Ecology Research International·2014
The present study was carried out between September 2009 and June 2013 in Western Usambara Mountains plague focus with the aim of establishing the influence of selected soil physical properties and soil microclimate on rodent burrows’ abundance, portal orientation and use. Two la...
Open access
Research Article10.9734/JAERI/2015/13695
Human activities are important factors that affect the quality of water. The study was conducted to determine the impact of Human activities on the water quality and the Bio-diversity of the river system using benthic macro-invertebrates as indicators. Bottom samples were collect...
Open access
Research Article10.9734/JAERI/2015/14323
Indigenous soil conservation measures such as miraba have been widely used in Usambara Mountains for controlling soil erosion but with little success. On-farm runoff experiments were set from 2011–2014 onAcrisols in Majulai and Migambo villages with contrasting agro-ecological co...
Open access
Research Article10.9734/JAERI/2015/13636
Aim: Staple crops face major challenges in the near future and a diversification away from over-reliance on staples is important towards the achievement of global food security, this stimulate the retrieving and field evaluation of underutilized amaranth accessions for pest infes...
Open access
Research Article10.9734/JAERI/2015/14227
Aims: The study aimed at estimating economic losses incurred by farmers from damage of rice crop by graniviorous pest birds and assessing the implication of this for sustainable food security. Study Design: Line transect bird sampling with spatial and temporal replications; bird...
Open access
Research Article10.9734/JAERI/2015/14178
Aims: This paper discusses some interventions that could lead to wise use of forest resources as a step towards sustainable agriculture. Forest resources provide various materials that meet the basic human needs such as food and health-care. However, the use of these resources an...
Open access
Research Article10.9734/JAERI/2015/14631
Aims: To evaluate the feasibility of sack potato production in some parts of Zimbabwe. Study Design: The study utilised two instruments for data collection, namely questionnaires and structured interviews. Methodology: The first questionnaire for the producers of sack potato was...
Open access
Research Article10.9734/JAERI/2015/13700
Achieving food security for a rapidly growing population in Nigeria will require intensification of food production on existing cropland through improving soil fertility and agronomic practices. Use of chemical fertilizers has been attributing factor for the deterioration of soil...
Open access
Research Article10.9734/JAERI/2015/14503