Published in Scientific Papers. Series D. Animal Science, Vol. LXVIII, Issue 1
Written by Desimira Maria STROE, Angelica DOBRE, Maricel Floricel DIMA, Lorena DEDIU, Alina Nicoleta MACOVEIU (DOBRE), Eric ROCHARD
The common carp Cyprinus carpio (Linnaeus, 1758) is a key species in the Danube River, both ecologically and economically. The carp population in the Danube is affected by a range of factors such as overfishing, loss of habitats, pollution, anthropogenic disturbance and alien species. Climate change is putting an additional strain on these fish populations, altering parameters such as length and sex structure, Fulton’s condition factor. This study examines changes in these parameters within carp populations in the Danube based on data collected from 2021 to 2024. By comparing biometric and demographic indicators, this research identifies hydrological trends driven by climatic variations, and how the sex structure was also affected, with sex ratio depending on region and local climatic conditions. Fulton’s condition factor was calculated to assess the nutritional status and overall health of individuals in the population. This study highlights the urgent need for sustainable fisheries management and appropriate conservation strategies to address the challenges posed by climate change.
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