Aquatic environment and resources

Building climate-resilience into basin water management

Project summary Anthropogenic activities including illegal and uncontrolled mining and logging have seriously degraded the landscapes of many river basins in West Africa posing significant challenges to sustainable water resources management (WR ...

Increasing the Productivity of Ghanian Aquaculture

Project Summary Aquaculture continues to be an important sector in the Ghanaian economic development agenda. Increased aquaculture production is the government’s strategy to bridge the 500,000 tonne fish deficit currently met through imports (ov ...

Building Resilience of Lake Bosumtwi to Climate Change (RELAB)

Climate change is altering lake ecosystem functions and affecting livelihoods of rural communities dependent on the ecological services of climate-sensitive waterbodies. Anthropogenic pressures may undermine ecosystem resilience and amplify human vul ... First-year report: Successful monitoring of climate, lake physics, chemistry and primary productivity of lake Bosumtwi with state-of-the-art equipment have yielded high-resolution data which indicates persistent stratification and incomplete mix ...

Xenobiotics and heavy metals in Ghana

The project addresses dispersal and effects of heavy metals and xenobiotic substances in the Ghanaian environment, primarily from rapidly increasing activities in informal economic sectors like artisanal mining (ASM) and management of waste electron ... Midterm report: The background concentrations of mercury in soil across the entire country have been obtained. Mercury concentration of soil from two of the local areas have also been determined. The results indicate that there is widespread ...

Projections of climate change effects on Lake Tanganyika (CLEAT)

Lake Tanganyika is an important ecosystem in eastern Africa, which historically has supported one of the world’s most productive freshwater fisheries. However, stocks of important commercial fish have decreased significantly. Scientific evidence sug ... Midterm report 2017: Since 2015 monthly sampling of water quality data has been done along with training of TAFIRI staff and Ph.D. students in the use of field and laboratory equipment. Operating procedures has been documentation. In 2016, a ...

Ground Water Development and Sustainable Agriculture

This project will strengthen research capacity in Ghana on hydrogeological research and develop an improved understanding of the groundwater resources in the White Volta Basin in Northern Ghana. A groundwater flow model will be developed to support ... Midterm report 2017: Four PhD students have been recruited and are jointly supervised by Northern and Southern Researchers; A conceptual framework of the hydrogeology has been developed and a 3D steady state model has been developed based on ...

Research-based management of Gulf of Guinea

Coastal marine ecosystems worldwide are threatened by multiple human-induced stressors, ranging from global stressors to local pollution, habitat loss and over-exploitation of resources, and resulting in fast degradation of coastal ecosystems and th ... First-year report: The results obtained during the first project year include 1) an investigation of the main sources and concentrations of pollutants (appendix 6), and 2) estimation of the single and combined effects of selected contaminants ...

Sustainable Value-Chains: Aquaponics in Colombia

Aquaculture is a promising sector to support livelihoods in decades long conflict-stricken Caquetá, in the Amazonian bioregion of Southern Colombia. Currently, aquaculture takes place moderately with over 400 small-scale farmers. Conservation of wat ... First-year report Fish and plant species for aquaculture and hydroponics systems identified. Nitrogen and phosphorous excretion in relation to diet composition determined for pacu. Removal rates of aquaponics system determined. Surveys comple ...

Seaweed Biorefinery in Ghana – SeaBioGha

The project will establish cultivation of seaweed along Ghana’s 540 km of coastline and establishing relevant technology, develop local know-how and new business opportunities for seaweed cultivation (i.e. farming) and processing of seaweed products ... Midterm report 2017: Several red and brown types of Ghanaian seaweeds have been found to hold highly functional and hence valuable hydrocolloids with reological properties on par or better than the equivalent commercial carrageenan and algina ...

Effects of Climate Change on Volta Lake Resources (VOLTRES)

Africa is very likely to experience higher temperature increases than the rest of the earth during the 21st century. Extreme rainfall events are predicted to increase for West Africa. Climate change (CC) will influence the ecosystem in lakes by chan ... Project completion report: Average air temperature in the Volta Basin (VB) has increased by about 1.6°C in the historic period (1961 – 2005), with an average increment of about 0.35°C/decade. This is expected to further increase by about 1.4° ...

Interdisciplinary Project on Climate change in Tropical Aquaculture (iAQUA)

To understand how global warming will affect tropical aquaculture, we will study how a temperature rise from the current value of 27-32 °C to 32-37 °C will affect physiological performance, food conversion efficiency and growth in air-breathing fish ... Project completion report: The project exceeded most of its objectives. We planned for 1 Danish PhD and 4 Vietnamese, but end up with 2 Danish (due to kind funding from Faculty of Science and Technology at AU) and with 5 Vietnamese PhD. We ai ...

Building Stronger Universities II – SUZA

Objective: The overall objective of this partnership under BSU II is to enhance SUZA’s capacity in terms of research expertise and support systems and facilities to conduct quality research of direct relevance to the needs of Zanzibar society ...

Impacts of climate change and adapting bio-security measures for aquaculture in northern Viet Nam (ICA)

The project "Impacts of climate change and adapting bio-security measures for aquaculture in northern Viet Nam" is proposed to the Danish government for funding and scheduled to be implemented from April 2011 to April 2014. The main objectives of th ... Project completion report: - Aquaculture maps of 13 provinces in Northern Vietnam. Aquaculture maps with scale of
1:5000 of shrimp areas in Quynh Luu, Nghe An and marine fish farms in Cat Ba, Hai Phong.
- GIS model to assess the ...

Sustainable Fish Feed Development in Ghana

Aquaculture production in Ghana has quadrupled over the past ten years, mainly driven by the development of tilapia culture. Notwithstanding, cultured fish still constitutes less than 10% of national fish production. The sector has a huge potential ... Project Completion Report: The digestibility and proximate analyses of five local ingredients (groundnut husk, groundnut cake, cottonseed cake, copra and soybean cake) were analysed;

Furthermore, the anti-nutritional factors of ...

Better use of nutrition resources for sustaining aquaculture production in Central Vietnam under climate change condition

This project is proposed to the Danish government for funding and scheduled to be implemented from April 2012 to April 2015.  The main objective of the project is to contribute to the sustainable development of coastal aquaculture in Central Vi ... Project Completion Report The project generally achieved its outputs in all four main work packages to fulfill the project’s objectives. In Work package 1, the report on analysis of current aquaculture systems in Central coast region and the ...

Building Stronger Universities II – SUA

Objectives: The long-term ambition and overall objective of the collaboration between Sokoine Agricultural University (SUA) and the consortium of Danish Universities (CDU) is to assist upgrading of SUA to a university with worldwide reputatio ...

Innovative Cleaning Technologies for Production of Drinking Water during Flooding Episodes (A-WATER)

Clean freshwater is a resource indispensable to all life and it is needed in large quantities for almost any human activity. Climate, freshwater, biophysical and socio-economic systems are interconnected in complex ways, so a change in one of these ... Project Completion Report The obtained results in this project contributed the prediction and assessment tool that supports the decision of Vietnamese authorities in flood control. The environmental and health sector in Vietnam is highly inte ...

Effects of temperature and hypoxia on aerobic scope in the giant freshwater shrimps (Macrobrachium rosenbergii) and (Penaeus monodon)

Depending on future CO2 emission scenarios, the average surface temperature is projected to increase 1.1-6.4°C by 2100. Tropical species, compared to many temperate species, are expected to be particularly sensitive to elevated temperatures because ... Project Completion Report: In light of the ongoing climate change, the ability to predict future effects on biota has received much attention, where it has been sought to establish a unifying model granting predictive power to characterize an ...

Arsenic contamination of groundwater in the Red River Delta in Vietnam, VietAs Phase II

The use of groundwater for drinking water has been promoted by DANIDA and other aid organisations in both Vietnam and Bangladesh. Unfortunately it was discovered that the groundwater in these countries may contain far too much arsenic, leading to ma ... Project Completion Report: The overall objective of the VietAs project has been to strengthen the research capacity in water resources planning and management in Vietnam. Project partners have been: Hanoi University of Mining and Geology, Han ...

O2 requirements of the air-breathing fishes Pangasius hypophthalmus and Channa striatus

The air-breathing fish, Pangasius hypophthalmus and Channa striatus, are two of the most important fish species in the aquaculture of the Mekong Delta in Vietnam. In particular Pangasius aquaculture is in rapid growth and is now a common consumer it ...

Metal Accumulation and Food Safety in waste water-fed Aquatic Production Systems in Cambodia and Vietnam

Untreated wastewater is used for irrigation of aquatic food production systems in areas surrounding the major cities in Southeast Asia. This has given rise to a concern that toxic metals could accumulate in foods produced near Hanoi and Phnom Penh. ...

Training and Research on physiological constraints in aquaculture in the Mekong

The Mekong Delta (MD) covers approx 12% of Vietnam, but accounts for more than half of the total agricultural production and for more than 60% of its fish production. Aquaculture has become a huge industry of importance both for the domestic market ...