Håkan Berg
YOU?
Author Swipe
View article: Drivers and Barriers for Adopting Rice–Fish Farming in the Hau Giang Province of the Mekong Delta
Drivers and Barriers for Adopting Rice–Fish Farming in the Hau Giang Province of the Mekong Delta Open
This study investigates factors that encourage and discourage farmers to adopt rice–fish (RF) farming in the Hau Giang province in the Mekong Delta, Vietnam. A mixed-method approach was employed to collect data, comprising focus group disc…
View article: Physiology effects of the insecticide cartap hydrochloride on silver barb (<i>Barbonymus gonionotus</i>)
Physiology effects of the insecticide cartap hydrochloride on silver barb (<i>Barbonymus gonionotus</i>) Open
Cartap hydrochloride (CH) is commonly used to control insect pests in the Mekong Delta, and this study assesses the effects of CH (1%, 10%, and 20% of the median lethal concentration at 96 hr value) on brain cholinesterase activity, food i…
View article: Identifying sustainable rice farming strategies in the Mekong Delta through systems analysis
Identifying sustainable rice farming strategies in the Mekong Delta through systems analysis Open
This study assesses the sustainability of intensive rice monocropping (IRM) and integrated rice-fish (IRF) farming in the Vietnam Mekong Delta, through systems analysis. Stakeholder (SH) consultations and a literature review were conducted…
View article: The Influence of Social Capital on Shrimp-Farming Household's Access to Aquaculture Extension Services for Sustainable Aquaculture Production in the Mekong Delta, Vietnam
The Influence of Social Capital on Shrimp-Farming Household's Access to Aquaculture Extension Services for Sustainable Aquaculture Production in the Mekong Delta, Vietnam Open
View article: The Effects of Fenobucarb on the Physiology, Behavior, and Growth of Silver Barb (Barbonymus gonionotus)
The Effects of Fenobucarb on the Physiology, Behavior, and Growth of Silver Barb (Barbonymus gonionotus) Open
This study assessed the effects of fenobucarb (F) (1%, 10%, and 20% of the LC50-96h value) on the brain cholinesterase (AChE) activity, food intake (FI), feed conversion rate (FCR), and growth of silver barb (Barbonymus gonionotus, Bleeker…
View article: Vitamin Solutions Effects on Reproduction of Broodstock, Growth Performance, and Survival Rate of Pangasius Catfish Fingerlings
Vitamin Solutions Effects on Reproduction of Broodstock, Growth Performance, and Survival Rate of Pangasius Catfish Fingerlings Open
This study evaluates the effect of different diets supplemented with vitamin solutions on Pangasius catfish broodstock reproduction, growth performances, and the survival rates of fish larvae and fingerling. The growth and reproductive per…
View article: Enhanced Food-Production Efficiencies through Integrated Farming Systems in the Hau Giang Province in the Mekong Delta, Vietnam
Enhanced Food-Production Efficiencies through Integrated Farming Systems in the Hau Giang Province in the Mekong Delta, Vietnam Open
This study compares the food-production efficiencies of integrated rice-fish farming and rice monoculture and evaluates how these farming systems contribute to sustainable food production in the Mekong Delta. The study explores how food-pr…
View article: Farmers’ Perceived Impact of High-Dikes on Rice and Wild Fish Yields, Water Quality, and Use of Fertilizers in the Mekong Delta, Vietnam
Farmers’ Perceived Impact of High-Dikes on Rice and Wild Fish Yields, Water Quality, and Use of Fertilizers in the Mekong Delta, Vietnam Open
This study assesses farmers' perceived impact of high-dikes on rice and fish yields, use of synthetic fertilizers, water quality, fish diversity, and inflow of nutrient-rich water and sediments in the Mekong Delta. Interviews were conducte…
View article: Vitamin Solutions Effects on Reproduction of Broodstock, Growth Performance and Survival Rate of <em>Pangasius</em> Catfish Fingerling
Vitamin Solutions Effects on Reproduction of Broodstock, Growth Performance and Survival Rate of <em>Pangasius</em> Catfish Fingerling Open
A feeding study was conducted to evaluate the different diets supplemented with vitamin solution effect on broodstock reproduction, growth performances, and the survival rates of larvae and fry of Pangasius catfish during over-spawning sea…
View article: Using multi-actor labs as a tool to drive sustainability transitions in coastal-rural territories: Application in three European regions
Using multi-actor labs as a tool to drive sustainability transitions in coastal-rural territories: Application in three European regions Open
Evidence on the efficacy of impacts from real-world experiments in triggering transformative processes is still scarce. This study evaluates multi-actor labs to provide examples of direct impacts of real-world experiments in tackling long-…
View article: Pathways from research to sustainable development: Insights from ten research projects in sustainability and resilience
Pathways from research to sustainable development: Insights from ten research projects in sustainability and resilience Open
View article: Assessing Stakeholders’ Preferences for Future Rice Farming Practices in the Mekong Delta, Vietnam
Assessing Stakeholders’ Preferences for Future Rice Farming Practices in the Mekong Delta, Vietnam Open
Rice farming is the dominating agriculture activity in the Mekong Delta and has been of significant importance for the region’s economic development, but it has also had an impact on the environment. Recent governmental policies emphasize …
View article: An ecological economic comparison between integrated rice-fish farming and rice monocultures with low and high dikes in the Mekong Delta, Vietnam
An ecological economic comparison between integrated rice-fish farming and rice monocultures with low and high dikes in the Mekong Delta, Vietnam Open
View article: Stakeholders assessment of status and trends of ecosystem services in the Mekong Delta for improved management of multifunctional wetlands
Stakeholders assessment of status and trends of ecosystem services in the Mekong Delta for improved management of multifunctional wetlands Open
Increased agriculture and aquaculture production in the Mekong Delta during the last two decades has improved farmers' income, national export earnings and reduced poverty, but has also impacted on the environment and ecosystem services (E…
View article: Effects of organic fertilizers produced from fish pond sediment on growth performances and yield of Malabar and Amaranthus vegetables
Effects of organic fertilizers produced from fish pond sediment on growth performances and yield of Malabar and Amaranthus vegetables Open
The increasing intensification of aquaculture production requires the development of strategies to reduce its environmental impacts such as the pollution caused by the discharge of nutrient-rich sediments into local water bodies. This rese…
View article: Scenarios for SouthWest Messinia
Scenarios for SouthWest Messinia Open
The scenarios included in this report describe possible future shifts relative to the pursuit of the common vision for the region, that was developed in collaboration with the stakeholders of the region that participated in the Multi Actor…
View article: System-Dynamic models for groundwater management in SW Messinia, under different climatic scenarios
System-Dynamic models for groundwater management in SW Messinia, under different climatic scenarios Open
SW Messinia, Greece, is an interlinked coastal-inland area in the Eastern Mediterranean region. Extensive olive tree plantations and tourism are the main human activities in the area, both of which depend on groundwater resources to cover …
View article: Integration of Nile tilapia ( <i>Oreochromis niloticus</i> ) and vegetables ( <i>Amaranthus hybridus</i> and <i>Brassica rapa pekinensis</i> ) for improved production, water use efficiency and nutrient recycling
Integration of Nile tilapia ( <i>Oreochromis niloticus</i> ) and vegetables ( <i>Amaranthus hybridus</i> and <i>Brassica rapa pekinensis</i> ) for improved production, water use efficiency and nutrient recycling Open
Sustainable agriculture intensification is an urgent challenge in developing countries including Tanzania. One potential solution is to adopt farming systems that increase farm production by optimizing resource use efficiency, and integrat…
View article: Assessment of technical, economic, and allocative efficiencies of shrimp farming in the Mekong Delta, Vietnam
Assessment of technical, economic, and allocative efficiencies of shrimp farming in the Mekong Delta, Vietnam Open
This study applied a stochastic frontier production model to analyze the technical (TE), allocative (AE), and economic (EE) efficiencies of intensive shrimp farming households, and to identify socioeconomic and shrimp farm‐specific factors…
View article: Local perceptions of changes in mangrove ecosystem services and their implications for livelihoods and management in the Rufiji Delta, Tanzania
Local perceptions of changes in mangrove ecosystem services and their implications for livelihoods and management in the Rufiji Delta, Tanzania Open
Understanding the status and trends of ecosystem services (ES) in a changing environment is important for identifying effective management measures of multifunctional mangrove ecosystems. Mangroves and their ES are jeopardized by a complex…
View article: Community perceptions of climate change and ecosystem-based adaptation in the mangrove ecosystem of the Rufiji Delta, Tanzania
Community perceptions of climate change and ecosystem-based adaptation in the mangrove ecosystem of the Rufiji Delta, Tanzania Open
Mangroves are increasingly recognized for their role in supporting adaptation to climate change and variability. However, knowledge about how climate change and variability affect mangrove ecosystem services (MES) and their role in support…
View article: Socioeconomic determinants of mangrove exploitation and management in the Pangani River Estuary, Tanzania
Socioeconomic determinants of mangrove exploitation and management in the Pangani River Estuary, Tanzania Open
Mangrove forests in Tanzania are gazetted as state forest reserves, implying that exploitation is controlled by the state. However, their continued degradation and loss is largely associated to the inadequate enforcement of management meas…
View article: Floods, soil and food – Interactions between water management and rice production within An Giang province, Vietnam
Floods, soil and food – Interactions between water management and rice production within An Giang province, Vietnam Open
View article: Assessment of pond and integrated aquaculture (IAA) systems in six districts of Tanzania
Assessment of pond and integrated aquaculture (IAA) systems in six districts of Tanzania Open
Integrated agriculture and aquaculture systems (IAA) are well known for their ability to improve the overall farm productivity and profitability. This is through recycling of on-farm resources, such as nutrient rich fish pond water and agr…
View article: A GIS Assessment of the Suitability of Tilapia and Clarias Pond Farming in Tanzania
A GIS Assessment of the Suitability of Tilapia and Clarias Pond Farming in Tanzania Open
Aquaculture production in Tanzania has increased in recent years, responding to an increased demand for fish, but the scale and productivity of smallholder aquaculture remains below the level needed to support significant sector growth in …
View article: Community Perceptions of Mangrove Ecosystem Services and Their Determinants in the Rufiji Delta, Tanzania
Community Perceptions of Mangrove Ecosystem Services and Their Determinants in the Rufiji Delta, Tanzania Open
Understanding how local communities perceive and depend on mangrove ecosystem services (MES) is important for translating and incorporating their benefits, priorities, and preferences into conservation and decision-making processes. We use…
View article: Status and Distribution of Waterbirds in a Natura 2000 Area: The Case of Gialova Lagoon, Messinia, Greece
Status and Distribution of Waterbirds in a Natura 2000 Area: The Case of Gialova Lagoon, Messinia, Greece Open
Located at the south-western most part of the Balkan peninsula, along an important migration route (the Mediterranean/Black Sea Flyway), the Gialova Lagoon wetland is one of the few remaining Important Bird Areas (IBAs) along the south-wes…
View article: Unravelling Diverse Values of Ecosystem Services: A Socio-Cultural Valuation Using Q Methodology in Messenia, Greece
Unravelling Diverse Values of Ecosystem Services: A Socio-Cultural Valuation Using Q Methodology in Messenia, Greece Open
People perceive the importance of benefits from ecosystem services in different ways, depending on their values, beliefs, and needs. Acknowledging and integrating this diversity into decision-making processes can support informed natural r…
View article: An Ecological and Economical Assessment of Integrated Amaranth (Amaranthus hybridus) and Nile Tilapia (Oreochromis niloticus) Farming in Dar es Salaam, Tanzania
An Ecological and Economical Assessment of Integrated Amaranth (Amaranthus hybridus) and Nile Tilapia (Oreochromis niloticus) Farming in Dar es Salaam, Tanzania Open
Organic wastes can be recycled in an ecologically sound way in fishponds by applying integrated agriculture and aquaculture systems (IAA). This kind of waste recycling can help to protect the environment from pollution and improve fishpond…
View article: Improving Productivity in Integrated Fish-Vegetable Farming Systems with Recycled Fish Pond Sediments
Improving Productivity in Integrated Fish-Vegetable Farming Systems with Recycled Fish Pond Sediments Open
The increasing intensification of aquaculture systems requires the development of strategies to reduce their environmental impacts such as pollution caused by the discharge of nutrient rich sediments into local water bodies. Recycling of f…