Vianny Natugonza

ORCID: 0000-0001-5233-9733
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About
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Research Areas
  • Aquatic Ecosystems and Biodiversity
  • Fish Biology and Ecology Studies
  • Fish Ecology and Management Studies
  • Aquatic Ecosystems and Phytoplankton Dynamics
  • Marine and fisheries research
  • Fish biology, ecology, and behavior
  • Rangeland Management and Livestock Ecology
  • Climate Change, Adaptation, Migration
  • Transboundary Water Resource Management
  • Coastal and Marine Management
  • Cambodian History and Society
  • Climate Change and Geoengineering
  • Conferences and Exhibitions Management
  • Climate change impacts on agriculture
  • Aquaculture Nutrition and Growth
  • Environmental Education and Sustainability
  • Soil erosion and sediment transport
  • Marine Bivalve and Aquaculture Studies
  • Climate Change Communication and Perception
  • Coral and Marine Ecosystems Studies

Busitema University
2021-2024

California Maritime Academy
2022-2023

National Agricultural Research Institute
2013-2020

University of Iceland
2018-2020

Makerere University
2015-2017

The Kyoga lake system, which is c. 4 m deep, originally had a diverse fish fauna, extensive macrophytes and wetlands. Most (82%) of its water comes from Lake Victoria, controlled through three dams has short residence time 3 months. Physical chemical factors, plankton productivity composition vary across the east to west. macrophyte cover decreased after heavy El Niño rains 1961, area wetlands by 48.5% between 1994 2008 mainly because their conversion agriculture. main was infested with...

10.2989/16085914.2013.795886 article EN African Journal of Aquatic Science 2013-08-27

Abstract Biomass of the schooling fish Rastrineobola argentea (dagaa) is presently estimated in Lake Victoria by acoustic survey following simple “rule” that dagaa source most echo energy returned from top third water column. Dagaa have, however, been caught bottom two-thirds, and other species occur towards surface: a more robust discrimination technique required. We explored utility school-based random forest (RF) classifier applied to 120 kHz data lake-wide survey. schools were first...

10.1093/icesjms/fsaa052 article EN cc-by ICES Journal of Marine Science 2020-03-14

Climate change disproportionately affects marginalized groups, especially women. To guide the integration of gender roles in interventions to improve adaptation, we examined among fishers on Lake Wamala, Uganda, which has been increasingly affected by climate change. We found lower participation women than men preharvest and postharvest fishing activities, with 99% 92.9% fish processors traders combined being men. The had more experience, started at a younger age exited later age, targeted...

10.1080/17565529.2017.1372262 article EN Climate and Development 2017-09-08

Abstract Changes in the catches of N ile t ilapia, O reochromis niloticus (Linnaeus, 1758), Lake W amala ( U ganda) have been observed since its introduction. The factors contributing to these changes, however, are not well understood. This study examined changes species composition, size structure, at first maturity, length–weight relationship and condition factor tilapia L ake amala, relation temperature, rainfall lake depth, provide a better understanding possible role changing climatic...

10.1111/lre.12091 article EN Lakes & Reservoirs Science Policy and Management for Sustainable Use 2015-06-01

Abstract Inland fisheries support the livelihoods of millions people in riparian communities worldwide but are influenced by increasing climate variability and change. Freshwater fishing societies among most vulnerable to change given their dependence on highly threatened aquatic resources. As intensifies, building adaptive capacity within understanding efficacy strategies for maintaining household stability is essential coping with ongoing social environmental In this study, we examined...

10.1002/pan3.10388 article EN cc-by People and Nature 2022-08-19

Abstract HRBS-GLWNB 2020 presents the first open-source and high-resolution bathymetry, shoreline, water level data for Lakes Victoria, Albert, Edward, George in East Africa. For each Lake, these have three primary products collected this project. The bathymetric datasets were created from approximately 18 million acoustic soundings. Over 8,200 km of shorelines are delineated across lakes satellite systems uncrewed aerial vehicles. Finally, tied together by creating lake surface elevation...

10.1038/s41597-022-01742-3 article EN cc-by Scientific Data 2022-10-22

Abstract The small pelagic cyprinid, Rastrineobola argentea (Pellegrin), commonly known as dagaa, accounted for 60% of the total fish biomass and 40% commercial catches in Lake Victoria 2015. However, some aspects biology species (from which management interventions are based) have changed since 1970s; yet harvest regulations remained same. In this study, spatial temporal variations life history traits dagaa northern portion were examined relation to fishing intensity offer guidance on...

10.1111/fme.12281 article EN Fisheries Management and Ecology 2018-06-03

Climate variability and change that have been intensifying since the 1970s are accompanied by changes in hydrology water balance of inland aquatic systems. These changes, however, not well documented with regard to small shallow systems more vulnerable. Changes temperature, rainfall wind speed around Lakes Wamala Kawi (Uganda) were examined provide insight on how increasing climate affect lake levels. Around Lake Wamala, average air temperature has increased 0.018°C y−1 1980. Rainfall 9.01...

10.1080/14634988.2016.1142167 article EN Aquatic Ecosystem Health & Management 2016-10-01
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