Academic literature on the topic 'Idle Crayfish'

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Journal articles on the topic "Idle Crayfish"

1

Satmari, Alina, Kristian Miok, Mihaela C. Ion, Claudia Zaharia, Anne Schrimpf, and Lucian Pârvulescu. "Headwater refuges: Flow protects Austropotamobius crayfish from Faxonius limosus invasion." NeoBiota 89 (November 8, 2023): 71–94. https://doi.org/10.3897/neobiota.89.110085.

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This study explores the geospatial relationship between the invasive crayfish species <i>Faxonius limosus</i> and the native <i>Austropotamobius bihariensis</i> and <i>A. torrentium</i> crayfish populations in Eastern Europe, identifying the environmental factors which influence the invasion. We used species distribution modelling based on several climatic, geophysical and water quality variables and crayfish distributional data to predict sectors suitable for each species within the river network. Thus, we identified the sectors potentially connecting invasive and native population clusters a
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2

Yan, Jun, Jingwei Yu, Wei Huang, et al. "Initial Studies on the Effect of the Rice–Duck–Crayfish Ecological Co-Culture System on Physical, Chemical, and Microbiological Properties of Soils: A Field Case Study in Chaohu Lake Basin, Southeast China." International Journal of Environmental Research and Public Health 20, no. 3 (2023): 2006. http://dx.doi.org/10.3390/ijerph20032006.

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Rice–duck and rice–crayfish co-culture patterns can increase soil productivity and sustainability and reduce the use of chemical pesticides and fertilizers, thereby reducing the resulting negative environmental impacts. However, most studies have focused on the rice–duck and rice–crayfish binary patterns and have ignored integrated systems (three or more), which may have unexpected synergistic effects. To test these effects, a paddy field experiment was carried out in the Chaohu Lake Basin, Hefei city, Southeast China. Four groups, including a rice–duck–crayfish ecological co-culture system (R
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3

Wu, Bixia. "Improved Egret Swarm Optimization Algorithm with Multiple Strategies." International Journal of Engineering Research and Science 10, no. 9 (2024): 32–45. https://doi.org/10.5281/zenodo.13858683.

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<strong><em>Abstract</em></strong><strong>&mdash;</strong> <em>The Egrets Swarm Optimization Algorithm is a recently proposed heuristic algorithm that simulates the hunting behavior of egrets. To address the limitations of the original algorithm, such as insufficient development capability and decreased population diversity, a multi-strategy improved Egrets Swarm Optimization Algorithm is proposed. First, in the population initialization phase, Logistic chaotic mapping is introduced to generate chaotic sequences, enriching population diversity. Next, a dynamic perception factor is introduced t
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4

ION, Mihaela C., Andrei-Robert ÁCS, Antonio V. LAZA, et al. "Conservation status of the idle crayfish Austropotamobius bihariensis." Global Ecology and Conservation, February 2024, e02847. http://dx.doi.org/10.1016/j.gecco.2024.e02847.

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5

Bonassin, Lena, Lucian Pârvulescu, Ljudevit Luka Boštjančić, et al. "Genomic insights into the conservation status of the Idle Crayfish Austropotamobius bihariensis Pârvulescu, 2019: low genetic diversity in the endemic crayfish species of the Apuseni Mountains." BMC Ecology and Evolution 24, no. 1 (2024). http://dx.doi.org/10.1186/s12862-024-02268-5.

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Abstract Background Biodiversity in freshwater ecosystems is declining due to an increased anthropogenic footprint. Freshwater crayfish are keystone species in freshwater ecosystems and play a crucial role in shaping the structure and function of their habitats. The Idle Crayfish Austropotamobius bihariensis is a native European species with a narrow distribution range, endemic to the Apuseni Mountains (Romania). Although its area is small, the populations are anthropogenically fragmented. In this context, the assessment of its conservation status is timely. Results Using a reduced representat
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6

Ács, Andrei‐Robert, Mihaela C. Ion, Kristian Miok, et al. "Threats Assessment of the Endemic Idle Crayfish (Austropotamobius bihariensis Pârvulescu, 2019): Lessons From Long‐Term Monitoring." Aquatic Conservation: Marine and Freshwater Ecosystems 35, no. 1 (2025). https://doi.org/10.1002/aqc.70033.

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ABSTRACTThe idle crayfish (Austropotamobius bihariensis Pârvulescu, 2019), endemic to Romania's Apuseni Mountains, urgently requires a specific conservation plan. Due to its recent description, conservation efforts have been limited, highlighting the need for immediate and practical recommendations to ensure its protection. Over 13 years, field observations were conducted to evaluate population trends and identify threats following IUCN standards. Additionally, geospatial assessments and predictive modelling were employed to estimate both the optimal habitat and current population size under t
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