scholarly journals Sharing for science: high-resolution trophic interactions revealed rapidly by social media

PeerJ ◽  
2020 ◽  
Vol 8 ◽  
pp. e9485 ◽  
Author(s):  
Robin A. Maritz ◽  
Bryan Maritz

Discrete, ephemeral natural phenomena with low spatial or temporal predictability are incredibly challenging to study systematically. In ecology, species interactions, which constitute the functional backbone of ecological communities, can be notoriously difficult to characterise especially when taxa are inconspicuous and the interactions of interest (e.g., trophic events) occur infrequently, rapidly, or variably in space and time. Overcoming such issues has historically required significant time and resource investment to collect sufficient data, precluding the answering of many ecological and evolutionary questions. Here, we show the utility of social media for rapidly collecting observations of ephemeral ecological phenomena with low spatial and temporal predictability by using a Facebook group dedicated to collecting predation events involving reptiles and amphibians in sub-Saharan Africa. We collected over 1900 independent feeding observations using Facebook from 2015 to 2019 involving 83 families of predators and 129 families of prey. Feeding events by snakes were particularly well-represented with close to 1,100 feeding observations recorded. Relative to an extensive literature review spanning 226 sources and 138 years, we found that social media has provided snake dietary records faster than ever before in history with prey being identified to a finer taxonomic resolution and showing only modest concordance with the literature due to the number of novel interactions that were detected. Finally, we demonstrate that social media can outperform other citizen science image-based approaches (iNaturalist and Google Images) highlighting the versatility of social media and its ability to function as a citizen science platform.

2018 ◽  
Vol 1 (1) ◽  
pp. 32-36
Author(s):  
Eleazar Ndabarora ◽  
Dariya Mukamusoni ◽  
Clarte Ndikumasabo ◽  
Védaste Ngirinshuti

Cervical cancer is one of the leading causes of morbidity and mortality globally and in Sub-Saharan Africa in particular. There is evidence that early detection and early management of cases are the best strategies to prevent and control this health threat, since treatment of the later stages of the diseases are very expensive. The objectives of the review were: (1) to identify and review studies on the prevalence of cervical cancer and determinants of early detection in Sub-Saharan Africa, and (2) to recommend further studies and interventions based on the findings of this review. Extensive literature search was conducted using the MeSH terms. Articles on cervical cancer and/or determinants of early detection which fulfilled inclusion criteria were reviewed independently by three reviewers. The prevalence of cervical cancer in Sub-Saharan Africa is increasing. Although there are evidences that cervical cancer screening programs are practical and feasible even in resource-limited settings in Sub-Saharan Africa, there is a very low uptake of cervical cancer screening and there are key factors that need to be addressed in order to make these programs established and effective.


2021 ◽  
Vol 7 (1) ◽  
Author(s):  
Kufre Joseph Okop ◽  
Kathy Murphy ◽  
Estelle Victoria Lambert ◽  
Kiya Kedir ◽  
Hailemichael Getachew ◽  
...  

Abstract Background In sub-Saharan Africa (SSA), which experiences a disproportionately high cardiovascular disease (CVD) burden, population-based screening and prevention measures are hampered by low levels of knowledge about CVD and associated risk factors, and inaccurate perceptions of severity of risk. Methods This protocol describes the planned processes for implementing community-driven participatory research, using a citizen science method to explore CVD risk perceptions and to develop community-specific advocacy and prevention strategies in the rural and urban SSA settings. Multi-disciplinary research teams in four selected African countries will engage with and train community members living in rural and urban communities as citizen scientists to facilitate conceptualization, co-designing of research, data gathering, and co-creation of knowledge that can lead to a shared agenda to support collaborative participation in community-engaged science. The emphasis is on robust community engagement, using mobile technology to support data gathering, participatory learning, and co-creation of knowledge and disease prevention advocacy. Discussion Contextual processes applied and lessons learned in specific settings will support redefining or disassembling boundaries in participatory science to foster effective implementation of sustainable prevention intervention programmes in Low- and Middle-income countries.


Author(s):  
Bruno E.J.S. Werz

Maritime archaeology in sub-Saharan Africa is still in its early development stage. An extensive literature survey indicated that relatively few projects of this nature have been undertaken in these parts. Even fewer warrant the adjective “scientific,” based on the dearth of peer-reviewed academic publications that have appeared to date. Based on the survey, it seems that most research is undertaken in South Africa, Kenya, and Namibia, and the emphasis therefore lies with these countries.


2019 ◽  
Vol 32 (5) ◽  
pp. 1215-1233 ◽  
Author(s):  
Simplice Asongu ◽  
Jacinta Nwachukwu ◽  
Stella-Maris Orim ◽  
Chris Pyke

PurposeThe purpose of this paper is to complement the scant macroeconomic literature on the development outcomes of social media by examining the relationship between Facebook penetration and violent crime levels in a cross-section of 148 countries for the year 2012.Design/methodology/approachThe empirical evidence is based on ordinary least squares (OLS), Tobit and quantile regressions. In order to respond to policy concerns on the limited evidence on the consequences of social media in developing countries, the data set is disaggregated into regions and income levels. The decomposition by income levels included: low income, lower middle income, upper middle income and high income. The corresponding regions include: Europe and Central Asia, East Asia and the Pacific, Middle East and North Africa (MENA), Sub-Saharan Africa and Latin America.FindingsFrom OLS and Tobit regressions, there is a negative relationship between Facebook penetration and crime. However, quantile regressions reveal that the established negative relationship is noticeable exclusively in the 90th crime quantile. Further, when the data set is decomposed into regions and income levels, the negative relationship is evident in the MENA while a positive relationship is confirmed for Sub-Saharan Africa. Policy implications are discussed.Originality/valueStudies on the development outcomes of social media are sparse because of a lack of reliable macroeconomic data on social media. This study primarily complemented three existing studies that have leveraged on a newly available data set on Facebook.


2017 ◽  
Vol 36 (1) ◽  
pp. 5-14 ◽  
Author(s):  
Richard Ingwe

Abstract Scholars and practitioners concerned with geoinformation, cyber-cartography, development studies, and other subjects increasingly explore crowdsourcing and its huge advantages for development. Some have advocated it for adoption/promotion by government as a means of citizen engagement. The objective of this article is to increase the appreciation of the contribution that crowdsourcing can make towards resolving challenges associated with disadvantaged urbanisation in sub-Saharan Africa (SSA). We review urban challenges of SSA and three practices of crowdsourcing: volunteered geographic information (VGI), Citizen Science (CS), and Participatory Mapping (PM). Then we examine problems associated with the advocacy for government adoption of those practices in SSA. We argue that civil society collaboration with an international governmental organisation (IGO) instead of government promises a better way of adopting and promoting them. This suggestion is based on the fact that work related to this strategy is carried out by a global coalition of civil society, the UN-NGLS. This strategy promises a more rapid way of taking advantage of fast-tracking public engagement in the economic region, SSA.


2021 ◽  
Author(s):  
Sylvain Faye ◽  
Ralf Krumkamp ◽  
Seydou Doumbia ◽  
Moctar Tounkara ◽  
Ricardo Strauss ◽  
...  

Abstract Background: Raising immunization coverage against COVID-19, in particular in low- and middle-income countries (LMICs), is crucial in addressing the current pandemic. Additionally, in Africa reaching the necessary herd immunity threshold is jeopardized by factors, such as vaccine hesitancy. To build confidence in COVID-19 vaccines, it is important to understand and address the reasons for vaccine hesitancy. Yet, few studies for rural and urban Sub-Saharan Africa exist, which have analyzed these factors. Methods: This study reports on a cross-sectional survey in five West African countries (Burkina Faso, Guinea, Mali, Senegal, and Sierra Leone) to identify and describe factors influencing COVID-19 vaccine hesitancy in rural and urban settings. The survey was conducted at a time when in these countries the roll-out of COVID-19 vaccines had not yet or only just begun. Data were analyzed using descriptive statistics and Poisson regression models, with robust standard errors. The general protocol is registered on clinicaltrial.gov (protocol number: NCT04912284)Results: Findings show that in West Africa COVID-19 adult vaccine acceptance ranges from 60% in Guinea and 50% in Sierra Leone to 11% in Senegal. This is largely congruent with acceptance levels of COVID-19 vaccinations for children. Multivariable regression analysis shows that perceived effectiveness and safety of COVID-19 vaccines increased the willingness to get vaccinated, rather than socio-demographic factors, such as educational attainment and rural/urban residence. Primary sources of information about COVID-19 vaccines, include television, radio, and social media. Conclusions: Communication strategies addressed at the adult population using mass and social media, which emphasize COVID-19 vaccine effectiveness and safety, could encourage greater acceptance also of COVID-19 child vaccinations in Sub-Saharan countries.


Subject Outlook for social media in sub-Saharan Africa. Significance Across sub-Saharan Africa (SSA) in recent months, several high-profile protests have been coordinated using social media platforms, including the #ThisFlag demonstrations in Zimbabwe and opposition unrest following Uganda's presidential elections. This is spurring governments to tighten rules governing online platforms and content, and block platforms such as Twitter and Whatsapp. Impacts Opposition activists will increase use of virtual private networks to circumvent blocks on censored websites. Initiatives such as the Forum on China-Africa Media Cooperation will help governments to police online content. Nevertheless, some Western donors will continue to sponsor initiatives, such as radio call-in shows, encouraging free speech. Clampdowns on social media will mainly affect political mobilisation in urban areas, for now, given poor rural internet penetration. Unit and subscription-related costs for web-enabled phones will continue to fall, increasing social media usage.


2019 ◽  
Vol 11 (10) ◽  
pp. 2729 ◽  
Author(s):  
Alexandra Titz ◽  
Sosten S. Chiotha

Cities in sub-Saharan Africa are currently confronted with a multitude, and hitherto unexperienced, magnitude of transformative phenomena such as rising inequality, exclusion, poverty and increased residency in informal settlements. These stressors are posing challenges to cities in terms of housing, infrastructure and provision of basic services as well as climate change adaptation. Despite the high dynamics and novel characteristics of city transformation, this urban transition seems to take place rather ‘quietly’ and has, so far, obviously hardly been understood or appreciated by researchers and governments. Subsequently, the multifaceted and extremely challenging problems associated with the process of urbanisation cannot be adequately addressed. Green infrastructure (GI) is currently emerging as a concept for cost-effective urban sustainability and livelihood security. Preservation and provision of accessible urban green spaces is increasingly recognised as an essential part of the liveability of cities. Extensive literature review revealed that the systematic integration of GI concepts in urban planning is seen by an increasing number of researchers as an essential approach to tackle major current and future challenges. Based on the literature review, we suggest that broadening the concept of urban GI by linking it to governance and rights-based conceptualisations will have the potential to unlock more resourceful paths for sustainable, green, and inclusive urban development of cities in Southern and Eastern Africa.


Author(s):  
Emmanuel Eilu

In sub-Saharan Africa, studies show that the key driver for mobile Internet use is social media. However, despite the global reach and proliferation of the Internet and mobile phones, research on mobile Internet use in rural communities in Sub-Saharan Africa is lacking. There is very little research on how rural communities in Sub-Saharan Africa use the Internet, yet a number of studies have shown that there are unique technological needs of rural communities. The purpose of this article is to explore and understand how marginalized rural people in a sub-Saharan African country like Uganda use the Internet, and the factors that limit the use of this technology. This research found out that sports websites accessed through mobile phones were a more substantial indicator of mobile Internet use in Arapai sub-county. This is contrary to what much of the literature presents that the reason for going online in Sub-Saharan Africa is to access social media networking sites. The research also found out that the most limiting factor for accessing the Internet was poor network connectivity.


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