Assessing river ecological status through Eurasian otter diet analysis DOI Creative Commons
Arnau Tolrà, Joan Lluís Riera,

Jordi Ruiz‐Olmo

и другие.

River Research and Applications, Год журнала: 2024, Номер 40(8), С. 1469 - 1483

Опубликована: Май 16, 2024

Abstract To identify and mitigate biodiversity decline, it is necessary to develop implement appropriate ecological assessment methods. This particularly relevant in ecosystems under strong human pressure, such as riverine environments, which requires several standardized methods useful a wide range of characteristics habitats. In this work, we related otter diet composition with set environmental variables representative river reaches two contiguous basins high diversity habitats varying degrees alteration. Our goal was determine what extent prey communities were sensitive habitat pressures. results suggest that community heavily anthropized rivers vary significantly across three gradients: productivity, structure stability. We also compared the obtained from those electrofishing. Overall, changed spatially similar way fish sampled by electrofishing, but both showed disagreements different biases some for species. conclude analysis potential supplementary method assessing status alterations structural simplification water extraction can prevent freshwater recovery human‐dominated landscapes despite improvements biochemical quality.

Язык: Английский

Range expansion and reconnection of historical populations in the Eurasian otter (Lutra lutra) in France: Insights from heterogeneous data and integrated species distribution modelling DOI Creative Commons
Simon Lacombe, Sébastien Devillard,

Cécile Kauffmann

и другие.

Biological Conservation, Год журнала: 2025, Номер 307, С. 111179 - 111179

Опубликована: Май 1, 2025

Язык: Английский

Процитировано

0
A Review on Eurasian Otters in Urban Areas: Principles for the Enhancement of Biodiversity DOI Creative Commons

Connor Lee,

Xiaofeng Luan

Diversity, Год журнала: 2025, Номер 17(5), С. 356 - 356

Опубликована: Май 17, 2025

Eurasian otters, as apex predators in freshwater ecosystems, are crucial to maintaining nutrient cycling and habitat stability. Although otters prefer unaltered natural habitats, their adaptive opportunistic behavior allows them occupy suboptimal environments, including urbanized areas. As urbanization increases, the pressure on carnivores like otter will continue grow. To date, urban stream restoration plans have not used a keystone species, but given influence across trophic levels, otter-focused could enhance populations overall biodiversity Here, we lay out six principles designed template for enhancing habitats well biodiversity. The (enhancing structure complexity, restoring riparian vegetation safeguarding water quality, providing native prey reducing mortality, promoting positive public perception) essential ecosystem regeneration focused otters. there been no projects specifically tailored toward initiatives based similar effective presence. Overall, an plan just increase presence all levels.

Язык: Английский

Процитировано

0
Assessing river ecological status through Eurasian otter diet analysis DOI Creative Commons
Arnau Tolrà, Joan Lluís Riera,

Jordi Ruiz‐Olmo

и другие.

River Research and Applications, Год журнала: 2024, Номер 40(8), С. 1469 - 1483

Опубликована: Май 16, 2024

Abstract To identify and mitigate biodiversity decline, it is necessary to develop implement appropriate ecological assessment methods. This particularly relevant in ecosystems under strong human pressure, such as riverine environments, which requires several standardized methods useful a wide range of characteristics habitats. In this work, we related otter diet composition with set environmental variables representative river reaches two contiguous basins high diversity habitats varying degrees alteration. Our goal was determine what extent prey communities were sensitive habitat pressures. results suggest that community heavily anthropized rivers vary significantly across three gradients: productivity, structure stability. We also compared the obtained from those electrofishing. Overall, changed spatially similar way fish sampled by electrofishing, but both showed disagreements different biases some for species. conclude analysis potential supplementary method assessing status alterations structural simplification water extraction can prevent freshwater recovery human‐dominated landscapes despite improvements biochemical quality.

Язык: Английский

Процитировано

1