Policy Briefs: Recent submissions

Now showing items 21-40 of 69

Soil Fertility decline: Danger for food security

Kone, Ismail; Kouadio, Konan-Kan Hippolyte; Kouadio, Emmanuel N'Goran; Agyare, Wilson Agyei; Owusu-Prempeh, Nat; Amponsah, William; Gaiser, Thomas (WASCAL, 2025-11)

Soil fertility management issues are at the centre of debates on the sustainability of agricultural production systems in Africa, particularly in West Africa where farmers are concerned with decline of soil fertility1. ...
Farmers adaptation in response to soil salinity in Fimela, Senegal: Effective or not?

Thiam, Habibatou I. (WASCAL, 2022-11)

The expansion of land salinisation is one of the major challenges that farmers in arid and semi-arid zones are facing particularly in Fimela, Senegal. It is negatively impacting both farmers’ productivity and food security. ...
North-South Migration in Ghana: What Drives it?

Dordah, George A.; Osei Jnr., Edward M.; Appiah, Divine O.; Hackman, Kwame O.; Thiel, Michael (WASCAL, 2025-11)

Additionally, most of them cited climate variability as the primary factor, followed by LULCC-related push factors, for their decision to migrate from northern to southern Ghana (see figures 1 and 2). Agriculture in the ...
Shared Socioeconomic Pathways: Are We on The Path to the Furture We Want

Gaisie-Essilfie, Franz Alex; Forkuo, Eric K.; Obuobie, Emmanuel; Koch, Julian (WASCAL, 2025-11)

For SSP1 (Sustainability), the remarks from the participants were generally positive, with many commenting that it was a very ideal future. There were, however, a few persons who were not sold on the idea of SSP1. Chiefly, ...
Enhancing Urban Greenery Planning in the Changing Climate in Africa: Addressing Porto-Novo and Parakou in Benin Republic

Akakpo, Bokon A.; Okhimamhe, Appollonia A.; Orekan, Vincent A. O. (WASCAL, 2024-01-03)

Tailored strategies are needed to address the functional decimation of different green spaces, particularly in peri-urban areas. Promoting the replacement of impervious surfaces with vegetation and trees can mitigate urban ...
Building Resilience of Coastal Communities to the Impacts of Sea Level Rise in Ghana: A gap in policy

Adade, Richard; Jaiye, Dukiya; Brown Klutse, Nana Ama; Thiel, Michael; Okhimamhe, Appollonia Aimiosino (WASCAL, 2024-01-03)

Ghana's coastal zone faces a looming crisis from sea-level rise, demanding urgent adaptation measures. Despite government initiatives, rural communities are disproportionately affected and underserved. Through a novel ...
Fine particulate air pollution estimation in Ouagadougou using satellite aerosol optical depth and meteorological parameters

Amooli, Joe Adabouk (WASCAL, 2023-09-04)

The main sources of fine particles in our cities are the exhausts of cars, trucks, buses, and offroad vehicles as well as other processes that involve the burning of fuels like wood, heating oil, or coal, and natural ...
Agricultural soil characterization and crop recommendation using deep learning algorithms: Model Selection and AI Application Development

Ali Abdou, Moussa (WASCAL, 2023-09)

Agriculture is vital, and soil is a fundamental component with unique characteristics for different crops. This thesis research aimed to develop a deep learning-based system for soil type classification. It explores the ...
Assessing Bacteria Load And Antibiotic Resistance in The Gut of Two Fish Species Sold at Mindelo Fish Market and Polluted Water in Cabo Verde

Ndure, Amie (WASCAL, 2023-09)

Fish is a vital protein source for billions worldwide, rich in essential fatty acids like omega-3s. Despite its nutritional benefits, it can harbor harmful bacteria, posing health risks if not handled or cooked properly. ...
Using Remote Sensing Data to Monitor Primary Production in Cabo Verde: A Step Towards Smarter Ocean Management

Assokpa, Kodjo Olivier (WASCAL, 2023-09)

More than 70% of the Earth's surface is covered by the ocean, making it the largest expanse (Costanza, 1999). The relationship between ocean ecosystems and global climate change is attracting much attention in recent years ...
Analysis of the zooplankton size distribution in the tropical Atlantic

Biteye, Amadou (WASCAL, 2023-10)

Marine zooplankton play a fundamental role in driving the energetic transfer of marine production between the first and the third trophic level (Kiko et al., 2020; Lombard et al., 2019), and in controlling several ...
Addressing The Threat Of Climate Change And Agricultural Landuse Intensification On Riparian Forests Functioning In The Savannas Of The Volta Sub-Basin Of Ghana

Boakye, Emmanuel Amoah; Hyppolite, Dibi N’da; Barnes, Victor Rex; Porembski, Stefan (WASCAL, 2017-09)

Agricultural landuse intensification increases the vulnerability of riparian forests to climate change impacts (and vice versa) in the Volta riparian countries including Ghana; requiring comprehensive enforcement of ...
Renewable Energy Development Planning: Understanding Diurnal and Seasonal Variabilities of Potential Solar and Wind Power in Ghana

Danso, Derrick Kwadwo (WASCAL, 2017-12)

his brief highlights the current trend of increasing electricity generation from fossil-based thermal production in Ghana. A review of the need to change this trend with solar and wind energy as options was made. For ...
Climate Change in the Niger Basin on Hydrological Properties and Functions of Kainji Lake, West Africa

Oyerinde, Ganiyu Titilope (WASCAL, 2017-09)

The Niger Basin is one of the most vulnerable hydrological systems where hydro-climatic changes is highly uncertain and changes in rainfall/runoff at the regional or local levels are inconsistent with projections; making ...
Innovative Sustainable Soil Nutrient Management Options for Improving the Resilience of West African Smallholder Farms Livelihoods Under Climate Change Context

Thiombiano, Boundia Alexandre; Le, Quang Bao; Odai, Samuel Nii; Ouedraogo, Denis (WASCAL, 2017-09)

Agricultural livelihoods in West African smallholder farms are undermined by the continuous degradation of soil resources. Most smallholder farms are unable to replenish soil nutrients from the use of mineral nutrients due ...
Households Vulnerability and Adaptation to Climate Variability Induced Water Stress on Downstream Kaduna River Basin

Okafor, Gloria Chinwendu (WASCAL, 2017-09)

Water stress is one of the risks emanating from worsening climatic variations. It poses serious threats on vulnerable continents, people and livelihoods globally.
Impact of Urbanisation on Local Climate and Air Quality in Lagos, Nigeria

Ojeh, Vincent Nduka (WASCAL, 2017-09)

Characteristics of temperature, carbon monoxide, spatial and temporal distribution of urban heat island and its relationship with land use change are very important tool for urban planning in the changing climate. In ...
Fire Effects on Soil Organic Carbon Stocks and Trace Gas Emissions from Burnt Lands under Different Vegetation in Northern Ghana

Nyadzi, Emmanuel (WASCAL, 2017-09)

Wild fires affect soil organic carbon stock positively and negatively. Emissions from these fires are toxic to both plant, animals and humans and when the concentrations are locally significant, they may contribute to ...
Analysis of Dynamics of Doma Forest Reserve in Nasarawa State, Nigeria

Moussa, Soule (WASCAL, 2017-09)

Doma forest reserve is under threat due to high anthropogenic activities and unsustainable land use practices such as the use of fire for land clearance, illegal logging and grazing. But the use of fire and cutting down ...
Impacts of Community-Forest Management on Land Use Change, Vegetation Dynamics and Carbon Stocks in South-Eastern Senegal

Faye, Laurice Codou; Boateng, Kyereh; Le, Quang Bao (WASCAL, 2017-09)

Charcoal is the main cooking fuel in Africa but its production characterized by the lack of formal policies that leave producers without any reliable framework resulted in changes in species composition and forest structure ...

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