Genetic diversification of offspring represents a bet-hedging strategy that evolved as an adaptation to unpredictable environments. The benefits of sexual reproduction come with severe costs. For example, each offspring only carries half of each parent's genetic makeup through direct descent. The lower the reproductive rate, the more substantial the cost when considering the proportion of genes...

No doubt that Nigeria’s mono-cultural commodity-petroleum has contributed tremendously to the Nigerian revenue sustainability and economic growth before its’ floundering occasioned by unstable global market volatile oil price; impact of COVID-19 pandemic in sector. Government acute attention petroleum commodity been detriment other sectors economy, already relegated background. The recent decli...

Result diversification is a retrieval strategy for dealing with ambiguous or multi-faceted queries by providing documents that cover as many potential facets of the query as possible. We propose a result diversification framework based on query-specific clustering and cluster ranking, in which diversification is restricted to documents belonging to a set of clusters that potentially contain a h...

South Asia is gradually diversifying its crop sector in favour of high value commodities, especially fruits, vegetables and spices. If carried out appropriately, diversification can be used as a tool to augment farm income, generate employment, alleviate poverty and conserve precious soil and water resources. In India in the state of West Bengal diversification in cropping pattern is a very rec...

Recent literature shows that income diversification is an important strategy for rural households to manage drought risk in arid and semiarid regions. This article examines whether income diversification can help rural households to overcome the adverse impact of drought in Northern China. Based on field interview data from 291 rural households in 13 townships of Northern China, we found that r...