Temitope KehindeObafemi Awolowo University | OAU · Department of Zoology
Temitope Kehinde
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30
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Introduction
Publications
Publications (30)
Protected areas (PAs) are vital in the global effort to preserve biodiversity, particularly for disturbance‐intolerant pollinator species in the tropics. As there is little information on the potential of PAs for pollinator conservation in sensitive tropical ecosystems, we assessed here insect pollinator diversity in protected vs. unprotected areas...
• Limited sunlight reduces plant productivity and foraging activities of pollinators, such as when alien trees shade out native flowering plants. The conservation management response is to remove the impoverishing effect of the alien tree canopy. However, alien trees can provide benefit for certain species when they provide significant scarce resou...
The tropical stingless bee, Meliponula bocandei Spinola, 1853 is an important pollinator in West Africa but there is no study on the effect of pesticides on this species. This study assessed the effects of cypermethrin, a common pyrethroid on survival, taste (sucrose sensitivity), and biochemical responses of M. bocandei. The biochemical markers we...
Wild bees are threatened by multiple interacting stressors, such as habitat loss, land use change, parasites, and pathogens. However, vineyards with vegetated inter-rows can offer high floral resources within viticultural landscapes and provide foraging and nesting habitats for wild bees. Here, we assess how vineyard management regimes (organic vs....
Urban landscapes can support the diversity of beneficial organisms like butterflies if they are well managed. Proper management may vary with different habitat types which may involve habitat specific sampling and conservation approach. This study investigated butterfly diversity in different habitat types in an urban landscape. Different sampling...
Mountains influence species distribution through differing climate variables associated with increasing elevation. These factors determine species niche ranges and phenology. Although the distribution patterns of some specific insect groups relative to elevation have been determined, how differing environmental conditions across elevation zones dif...
Drivers of species productivity and ecosystem function are of great ecological significance. In fire‐prone ecosystems, dispersion patterns of important pollinator species are driven by the various fire events over space and time. However, different species have varying responses to fire intensity and frequency. Here, we assess how time since last f...
Fire is a major disturbance factor in many terrestrial ecosystems, leading to landscape transformation in fire‐prone areas. Species in mutualistic interactions are often highly sensitive to disturbances like fire events, but the degree and complexity of their responses are unclear. We use bipartite insect–flower interaction networks across a recent...
Interaction networks are sensitive to elevation gradients through changes in local distribution of interacting partners. Here, we use plant-pollinator interaction network metrics to assess the effect of elevation on flowers and flower-visiting insect assemblages on a sentinel mountain used for monitoring climate change in the flower- and insect-ric...
List of flower-visiting insect species.
(DOCX)
Data.zip.
Network data for insect-flower interactions across elevation zones.
(ZIP)
The oribatid mite, Oppia nitens, has gained recognition in recent laboratory ecotoxicological tests, however, the species global distribution is limited to temperate regions and not ecologically relevant for tropical soils. The present study reports the first laboratory study aimed at assessing the ecotoxicity of contaminants with the tropical orib...
Land use change is a leading factor in the cause of pollinator decline globally. The response of flower‐visiting insects to habitat transformation and disturbance has been well studied. However, the effect of these anthropogenic disturbances on the structure of insect–flower interaction networks is not well known. We examined how insect–flower inte...
Transformation of natural landscapes is the leading cause of global biodiversity decline. This is often exacerbated through anthropogenic activities that result in the alteration of natural ecosystem. Displacement of local species is characteristics of this process and this is of negative consequence especially for species in mutualism. In this stu...
Although grapevine is a crop that produces fruit without insect pollination, vineyards may provide resources for bees and other pollinators. Flower resources such as pollen and nectar are provided by the vine plants as well as other flowering plants including cover crops grown between the vine rows. Little is known about how management and landscap...
Background and Objective: Assessments of insect diversity in human landscapes often focus on local scale (alpha) diversity with little attention given to species turnover (beta diversity) of these organisms at the landscape scale. This is particularly crucial for highly mobile insects such as flower visiting insects. This study, therefore, assessed...
This study examined the effect of local and landscape scale disturbances on different flower-visiting insect taxa in grassland habitats in Ile-Ife, Nigeria. Four replicates of disturbed and less disturbed grassland habitat were sampled. Flower-visiting insects were sampled with coloured pan traps and observation along transects. A total of 969 flow...
Ocimum species have a combination of reproductive system which varies with the locality and cultivar. We have studied here the reproductive mechanisms of five variants of three Ocimum species in Nigeria, namely: Ocimum canum Sims., O. basilicum L., and O. americanum L. Flowers from each variant were subjected to open and bagged pollination treatmen...
Co-flowering plant species commonly share flower visitors, and thus have the potential to influence each other's pollination. In this study we analysed 750 quantitative plant-pollinator networks from 28 studies representing diverse biomes worldwide. We show that the potential for one plant species to influence another indirectly via shared pollinat...
Plant and animal communities, as well as their interaction networks in agricultural landscapes, face threats of biotic homogenization due mostly to intensive management and cropland expansion. It is unclear whether agri-environmental schemes that promote environmentally friendly farming approaches can reduce the effects of these threats which cause...
Ecosystems are made up of various mutualistic and antagonistic plant and animal interactions. These interactions are subject to various global change phenomena such as land use change and habitat modification. While the effect of environmentally friendly farming practices on the taxonomic diversity of plants and animal species has been reported, it...
With a rapid surge in human population, there has been concomitant increase in anthropogenic threats to biodiversity, especially for ecologically-important groups such as insects. With the loss of about 79% of its forest cover, Nigeria ranked as the nation with the highest rate of forest loss in 2005. How these and other environmental stressors aff...
Effects of land use and management on plant and pollinator diversity at the local scale have been reported. However, there is little information available on the spatial and temporal aspects of plant-pollinator mutualist diversity relative to farm management. Information on these aspects will provide a better understanding of agri-environment schem...
Habitat transformation plays crucial role in determining insect diversity at local and landscape scales. Various land use practices may be subjected to different levels of disturbance ranging from pristine habitats with minimal disturbance to modified habitats such as agricultural ecosystems. Little is known about the effect of these different land...
The effects of organic management and landscape context on two highly endemic and important pollinator taxa (bees and monkey beetles) were studied in the Cape Floristic Region (CFR) biodiversity hotspot, where a quarter of the land is intensively managed mostly for grape production. This functional group was chosen as there is concern worldwide ove...