Results of Electrical Resistivity Tomography (ERT) conducted in Kwale County, Kenya December 2015 and June 2016 by University of Nairobi and Water Resources Management Authority as part of the Gro for GooD project (https://upgro.org/consortium/gro-for-good/) to characterize the aquifers in the study area. There were eight transects of length 1.2 to 6km, running W-E and NNE-SSW parallel to coastline. ERT data was analysed using RES2D inversion software. Gro for GooD - Groundwater Risk Management for Growth...
Results of Vertical Electrical Soundings (VES) study conducted in Kwale County, Kenya in July and August 2017 by University of Nairobi and Water Resources Management Authority as part of the Gro for GooD project (https://upgro.org/consortium/gro-for-good/) to determine the existence of deeper aquifers. Gro for GooD - Groundwater Risk Management for Growth and Development
Geological observations during field walks, with coordinates, photographs and descriptions of rocks/geological materials and features at the various stops.
Data from: No down-regulation of immune function during breeding in two year-round breeding bird species in an equatorial East African environmentHenry Ndithia, Maaike Versteegh, Muchane Muchai & B. I. Tieleman
Some equatorial environments exhibit substantial within-location variation in environmental conditions throughout the year and yet have year-round breeding birds. This implies that breeding in such systems are potentially unrelated to the variable environmental conditions. By breeding not being influenced by environmental conditions, we become sure that any differences in immune function between breeding and non-breeding birds do not result from environmental variation, therefore allowing for exclusion of the confounding effect of variation in environmental conditions....
Data from: Fencing solves human‐wildlife conflict locally but shifts problems elsewhere: a case study using functional connectivity modelling of the African elephantLiudmila Osipova, Moses M. Okello, Steven J. Njumbi, Shadrack Ngene, David Western, Matt W. Hayward & Niko Balkenhol
1. Fencing is one of the commonest methods for mitigating human-wildlife conflicts. At the same time, fencing is considered to be of one of the most pressing emerging threats to conservation globally. Although fences act as barriers and eventually can cause population isolation and fragmentation, it is challenging to quantitatively predict the possible consequences fences have for wildlife. 2. Here, we model how fencing designed to mitigate human-elephant conflict (HEC) on the Borderlands between Kenya...
Data from: Polygyny does not explain the superior competitive ability of dominant ant associates in the African ant-plant, Acacia (Vachellia) drepanolobiumJohn H. Boyle, Dino J. Martins, Julianne Pelaez, Paul M. Musili, Staline Kibet, S. Kimani Ndung'u, David Kenfack & Naomi E. Pierce
1. The Acacia drepanolobium (also known as Vachellia drepanolobium) ant-plant symbiosis is considered a classic case of species coexistence, in which four species of tree-defending ants compete for nesting space in a single host tree species. Coexistence in this system has been explained by trade-offs in the ability of the ant associates to compete with each other for occupied trees versus the ability to colonize unoccupied trees. 2. We seek to understand the proximal reasons...
Data from: Prospective comparison of two models of integrating early infant male circumcision with maternal child health services in Kenya: the Mtoto Msafi Mbili StudyRobert C. Bailey, Fredrick Adera, Mary Ellen Mackesy-Amiti, Timothy Adipo, Sherry K. Nordstrom, Supriya D. Mehta, Walter Jaoko, F. L. Fredrik G. Langi, Walter Obiero, Edmon Obat, Fredrick O. Otieno, Marisa R Young & Marisa R. Young
As countries scale up adult voluntary medical male circumcision (VMMC) for HIV prevention, they are looking ahead to long term sustainable strategies, including introduction of early infant male circumcision (EIMC). To address the lack of evidence regarding introduction of EIMC services in sub-Saharan African settings, we conducted a simultaneous, prospective comparison of two models of EIMC service delivery in Homa Bay County, Kenya. In one division a standard delivery package (SDP) was introduced and included...
Data from: Developing the global potential of citizen science: assessing opportunities that benefit people, society and the environment in East AfricaMichael J. O. Pocock, Helen E. Roy, Tom August, Anthony Kuria, Fred Barasa, John Bett, Mwangi Githiru, James Kairo, Julius Kimani, Wanja Kinuthia, Bernard Kissui, Ireene Madindou, Kamau Mbogo, Judith Mirembe, Paul Mugo, Faith Milkah Muniale, Peter Njoroge, Edwin Gichohi Njuguna, Mike Izava Olendo, Michael Opige, Tobias O. Otieno, Caroline Chebet Ng’weno, Elisha Pallangyo, Thuita Thenya, Ann Wanjiru … & Caroline Chebet Ng'weno
1. Citizen science is gaining increasing prominence as a tool for science and engagement but has little visibility in many developing countries, despite being a potentially valuable tool for sustainable development. 2. We undertook a collaborative prioritization process with experts in conservation and the environment to assess the potential of environmental citizen science in East Africa including its opportunities, benefits and barriers. This provided principles that are applicable across developing countries, particularly for large-scale citizen...
Article Authors Metrics Comments Related Content Abstract Introduction Materials and methods Results Discussion Limitations Conclusion Supporting information Acknowledgments References Reader Comments (0) Media Coverage (0) Figures Abstract Background: 1.5 million Kenyans are living with HIV/AIDS as per 2015 estimates. Though there is a notable decline in new HIV infections, continued effort is still needed to develop an efficacious, accessible and affordable HIV vaccine. HIV vaccine clinical trials bear risks, hence a need to understand volunteer...
Data from: Nest survival in year-round breeding tropical Red-capped Larks (Calandrella cinerea) increases with higher nest abundance but decreases with higher invertebrate availability and rainfallJoseph Mwangi, Henry K. Ndithia, Rosemarie Kentie, Muchane Muchai & B. Irene Tieleman
Nest survival is critical to breeding in birds and plays an important role in life-history evolution and population dynamics. Studies evaluating the proximate factors involved in explaining nest survival and the resulting temporal patterns are biased in favor of temperate regions. Yet, such studies are especially pertinent to the tropics, where nest predation rates are typically high and environmental conditions often allow for year-round breeding. To tease apart the effects of calendar month and year,...
Nonhuman primate species spend a conspicuous amount of time grooming during social interactions, a behaviour that probably serves both social and health-related functions. While the social implications of grooming have been relatively well studied, less attention has been paid to the health benefits, especially the removal of ectoparasites, which may act as vectors in disease transmission. In this study, we examined whether grooming behaviour reduced tick load (number of ticks) and haemoprotozoan infection status in...
Data from: Modelling vaccination strategies against Rift Valley fever in livestock in Kenya: model codeJohn M. Gachohi, M. Kariuki Njenga, Phillip M. Kitala, Bernard K. Bett, Bernard Bett & Philip Kitala
The impacts of vaccination on the transmission of Rift Valley fever virus (RVFV) have not been evaluated. We have developed a RVFV transmission model comprising two hosts -- cattle as a separate host and sheep and goats as one combined host (herein after referred to as sheep) -- and two vectors -- Aedes species (spp) and Culex spp -- and used it to predict the impacts of: (1) reactive vaccination implemented at various levels of...
Data from: Phylogeography in continuous space: coupling species distribution models and circuit theory to assess the effect of contiguous migration at different climatic periods on genetic differentiation in Busseola fusca (Lepidoptera: Noctuidae)Stéphane Dupas, Bruno Le Rü, Antoine Branca, Nathalie Faure, Guillaume Gigot, Pascal Campagne, Michel Sezonlin, Rose Ndemah, Paul-André Calatayud, Jean-François Silvain, G. Ong'amo, A. Branca, S. Dupas, B. Le Ru, N. Faure, G. Gigot, P. Campagne, P.-A. Calatayud, J.-F. Silvain & R. Ndemah
Current population genetic models fail to cope with genetic differentiation for species with large, contiguous and heterogeneous distribution. We show that in such a case, genetic differentiation can be predicted at equilibrium by circuit theory, where conductance corresponds to abundance in species distribution models (SDM). Circuit-SDM approach was used for the phylogeographic study of the lepidopteran cereal stemborer Busseola fusca Füller (Noctuidae) across sub-Saharan Africa. Species abundance was surveyed across its distribution range. SDM models...
Qualitative data on land use change and ecosystem services from participatory surveys in northeastern, Kenya (August-October, 2013)S.A Bukachi, C. Mwihaki, D. Grace & B. Bett
The data comprises of two datasets. The first consists of text files of anonymised transcripts from focus group discussions (FGDs) on livelihood activities, ecosystem services and the prevalent human and animal health problems in irrigated and non-irrigated areas in northeastern Kenya. The second comprises of scores from proportional piling exercises which showed the distribution of wealth categories and livestock species kept. The study was conducted between August and October, 2013 and the data were collected...
University of Nairobi14
University of Groningen2
International Livestock Research Institute2
National Museums of Kenya2
Centre for Ecology and Hydrology1
University of Wyoming1
Jomo Kenyatta University of Agriculture and Technology1
University of California, Berkeley1
Institut de Recherche pour le Développement1
Kenya Wildlife Service1
University of Paris-Sud1