A5031531627- Fish biology, ecology, and behavior
- Isotope Analysis in Ecology
- Fish Biology and Ecology Studies
- Fish Ecology and Management Studies
- Aquatic Ecosystems and Phytoplankton Dynamics
- Marine animal studies overview
- Physiological and biochemical adaptations
Virginia Tech
2022-2024
National Institute of Amazonian Research
2017
Abstract Neotropical floodplains are usually productive systems that maintained by the nutrient, detritus and sediment inputs provided main river channel flood pulse. Ria lakes represent a special feature habitat in Amazonian floodplains, being characterised dendritic morphology dependence on terrestrial an intricate stream network. Our objective was to evaluate trophic ecology of arapaima ( Arapaima sp.). We combined stomach content analysis with measurements carbon nitrogen stable isotope...
Abstract Large predators have disproportionate effects on their underlying food webs. Thus, appropriately assigning trophic positions has important conservation implications both for the themselves and prey. Large-bodied are often referred to as apex predators, implying that they many levels above primary producers. However, theoretical considerations predict higher lower position with increasing body size. Nitrogen stable isotope values ( δ 15 N) increasingly replacing stomach contents or...
Land-cover change can affect inland fisheries, which underpin food security of millions people worldwide. Removal forests from very large floodplains has been found to decrease fish catch via loss feeding and nursery habitat for fish. However, it is unknown if similar effects occur in smaller rivers with limited floodplain areas. Little also known about the mechanisms by land-cover changes catch. Here, we assessed land-use (LULC) on catch, diet, condition at sites two medium-sized Cameroon,...