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Elings J, Bruneel S, Pauwels IS, Schneider M, Kopecki I, Coeck J, Mawer R, Goethals PLM. Finding navigation cues near fishways. Biol Rev Camb Philos Soc 2024; 99:313-327. [PMID: 37813384 DOI: 10.1111/brv.13023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 09/27/2023] [Accepted: 09/28/2023] [Indexed: 10/11/2023]
Abstract
Many fish species depend on migration for various parts of their life cycle. Well-known examples include diadromous fish such as salmon and eels that need both fresh water and salt water to complete their life cycle. Migration also occurs within species that depend only on fresh water. In recent decades, anthropogenic pressures on freshwater systems have increased greatly, and have resulted, among other effects, in drastic habitat fragmentation. Fishways have been developed to mitigate the resulting habitat fragmentation, but these are not always effective. To improve fishway efficiency, the variety of navigation cues used by fish must be better understood: fish use a multitude of sensory inputs ranging from flow variables to olfactory cues. The reaction of a fish is highly dependent on the intensity of the cue, the fish species involved, and individual traits. Recently developed monitoring technologies allow us to gain insights into different combinations of environmental and physiological conditions. By combining fish behavioural models with environmental models, interactions among these components can be investigated. Several methods can be used to analyse fish migration, with state-space models, hidden Markov models, and individual-based models potentially being the most relevant since they can use individual data and can tie them to explicit spatial locations within the considered system. The aim of this review is to analyse the navigational cues used by fish and the models that can be applied to gather knowledge on these processes. Such knowledge could greatly improve the design and operation of fishways for a wider range of fish species and conditions.
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Affiliation(s)
- Jelger Elings
- Aquatic Ecology Research Unit, Department of Animal Sciences and Aquatic Ecology, Ghent University, Coupure Links 653, Ghent, B-9000, Belgium
| | - Stijn Bruneel
- Aquatic Ecology Research Unit, Department of Animal Sciences and Aquatic Ecology, Ghent University, Coupure Links 653, Ghent, B-9000, Belgium
| | - Ine S Pauwels
- INBO, Team Aquatic Management, Research Institute for Nature and Forest, Havenlaan 88, Brussel, Belgium
| | - Matthias Schneider
- SJE Ecohydraulic Engineering GmbH, Dilleniusstrasse 13, Backnang, 71522, Germany
| | - Ianina Kopecki
- SJE Ecohydraulic Engineering GmbH, Dilleniusstrasse 13, Backnang, 71522, Germany
| | - Johan Coeck
- INBO, Team Aquatic Management, Research Institute for Nature and Forest, Havenlaan 88, Brussel, Belgium
| | - Rachel Mawer
- Aquatic Ecology Research Unit, Department of Animal Sciences and Aquatic Ecology, Ghent University, Coupure Links 653, Ghent, B-9000, Belgium
| | - Peter L M Goethals
- Aquatic Ecology Research Unit, Department of Animal Sciences and Aquatic Ecology, Ghent University, Coupure Links 653, Ghent, B-9000, Belgium
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Wieczorek K, Turek A, Szczesio M, Wolf WM. A holistic approach to the spatio-temporal variability investigation of the main river water quality - The importance of tributaries. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 906:167588. [PMID: 37804966 DOI: 10.1016/j.scitotenv.2023.167588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 09/16/2023] [Accepted: 10/02/2023] [Indexed: 10/09/2023]
Abstract
The surface water pollution can cause serious ecological disasters. An example is large-scale fish deaths due to excessive salinity, which is global problem. In order to prevent such situations, it is necessary to carry out regular monitoring of both main rivers and their tributaries. The current monitoring system is neither adapted to the variability associated with the diversified use of catchments nor to changing climatic conditions. The Bzura River is one of the most anthropogenically transformed Polish rivers. So far, no comprehensive assessment of the chemical status of its catchment has been carried out. The presented research is a continuation of the study of the spatio-temporal variability of the Bzura chemistry. It covered 19 tributaries within the boundaries of the Łódź Voivodeship. Samples were collected once a month for one hydrological year. In total, 228 samples were obtained, in which 21 parameters were measured. Spatio-temporal variability of water quality on the basis of coefficients of variation (CVs) and water quality indices (WQIs) was evaluated. Principal component analysis (PCA) and cluster analysis (CA) were also performed. In addition, the datasets were visualized using geochemical maps. Combined monitoring with geospatial analysis brings benefits in terms of efficient control and management of water resources. The tributaries were divided according to the degree of their pollution. It was found that the electrical conductivity and concentrations of dissolved oxygen, nitrates, calcium and magnesium differentiated the tributaries in terms of pollution the most. The strong salinity from agricultural and geogenic sources was found. The WQIs were higher for the tributaries than for the Bzura. It suggests that the Bzura may be polluted by the tributaries under "favorable" climatic and hydrological conditions. Therefore, smaller watercourses should be included in monitoring and become more important in terms of an effective solution to global problem of surface water pollution.
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Affiliation(s)
- Kinga Wieczorek
- Lodz University of Technology, Institute of General and Ecological Chemistry, 116 Żeromskiego Str., 90-924 Lodz, Poland.
| | - Anna Turek
- Lodz University of Technology, Institute of General and Ecological Chemistry, 116 Żeromskiego Str., 90-924 Lodz, Poland.
| | - Małgorzata Szczesio
- Lodz University of Technology, Institute of General and Ecological Chemistry, 116 Żeromskiego Str., 90-924 Lodz, Poland.
| | - Wojciech M Wolf
- Lodz University of Technology, Institute of General and Ecological Chemistry, 116 Żeromskiego Str., 90-924 Lodz, Poland.
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Kaufmann PR, Hughes RM, Paulsen SG, Peck DV, Seeliger CW, Weber MH, Mitchell RM. Physical habitat in conterminous US streams and rivers, Part 1: Geoclimatic controls and anthropogenic alteration. ECOLOGICAL INDICATORS 2022; 141:109046. [PMID: 35991319 PMCID: PMC9389819 DOI: 10.1016/j.ecolind.2022.109046] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
Anthropogenic alteration of physical habitat structure in streams and rivers is increasingly recognized as a major cause of impairment worldwide. As part of their assessment of the status and trends in the condition of rivers and streams in the U.S., the U.S. Environmental Protection Agency's (USEPA) National Aquatic Resource Surveys (NARS) quantify and monitor channel size and slope, substrate size and stability, instream habitat complexity and cover, riparian vegetation cover and structure, anthropogenic disturbance activities, and channel-riparian interaction. Like biological assemblages and water chemistry, physical habitat is strongly controlled by natural geoclimatic factors that can obscure or amplify the influence of human activities. We developed a systematic approach to estimate the deviation of observed river and stream physical habitat from that expected in least-disturbed reference conditions. We applied this approach to calculate indices of anthropogenic alteration of three aspects of physical habitat condition in the conterminous U.S. (CONUS): streambed sediment size and stability, riparian vegetation cover, and instream habitat complexity. The precision and responsiveness of these indices led the USEPA to use them to evaluate physical habitat condition in CONUS rivers and streams. The scores of these indices systematically decreased with greater anthropogenic disturbance at river and stream sites in the CONUS and within ecoregions, which we interpret as a response of these physical habitat indices to anthropogenic influences. Although anthropogenic activities negatively influenced all three physical habitat indices in the least-disturbed sites within most ecoregions, natural geoclimatic and geomorphic factors were the dominant influences. For sites over the full range of anthropogenic disturbance, analyses of observed/expected sediment characteristics showed augmented flood flows and basin and riparian agriculture to be the leading predictors of streambed instability and excess fine sediments. Similarly, basin and riparian agriculture and non-agricultural riparian land uses were the leading predictors of reduced riparian vegetation cover complexity in the CONUS and within ecoregions. In turn, these reductions in riparian vegetation cover and complexity, combined with reduced summer low flows, were the leading predictors of instream habitat simplification. We conclude that quantitative measures of physical habitat structure are useful and important indicators of the impacts of human activities on stream and river condition.
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Affiliation(s)
- Philip R. Kaufmann
- U.S. Environmental Protection Agency, Office of Research
and Development, Center for Public Health and Environmental Assessment, Pacific
Ecological Systems Division, 200 SW 35th Street, Corvallis, OR 97333, USA
- Department of Fisheries, Wildlife, and Conservation
Sciences, Oregon State University, Corvallis, OR 97331, USA
| | - Robert M. Hughes
- Department of Fisheries, Wildlife, and Conservation
Sciences, Oregon State University, Corvallis, OR 97331, USA
- Amnis Opes Institute, 2895 Southeast Glenn Street,
Corvallis, OR 97333, USA
| | - Steven G. Paulsen
- U.S. Environmental Protection Agency, Office of Research
and Development, Center for Public Health and Environmental Assessment, Pacific
Ecological Systems Division, 200 SW 35th Street, Corvallis, OR 97333, USA
| | - David V. Peck
- U.S. Environmental Protection Agency, Office of Research
and Development, Center for Public Health and Environmental Assessment, Pacific
Ecological Systems Division, 200 SW 35th Street, Corvallis, OR 97333, USA
| | | | - Marc H. Weber
- U.S. Environmental Protection Agency, Office of Research
and Development, Center for Public Health and Environmental Assessment, Pacific
Ecological Systems Division, 200 SW 35th Street, Corvallis, OR 97333, USA
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Gao Z, Liu Y, Li N, Ma K. An Enhanced Beetle Antennae Search Algorithm Based Comprehensive Water Quality Index for Urban River Water Quality Assessment. WATER RESOURCES MANAGEMENT 2022; 36:2685-2702. [PMCID: PMC9116929 DOI: 10.1007/s11269-022-03169-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 04/28/2022] [Indexed: 07/22/2023]
Abstract
Urban river not only has the important function in urban hydrological environment, but also is an area for entertainment. Water quality assessment is the core technique in water resource management. As the typical urban river, water samples were collected at 5 sampling points in Xi’an moat from January 2018 to December 2020, and 10 physicochemical parameters were analyzed. In this paper, a comprehensive water quality index (WQI) is designed based on the criterion of water quality classes and entropy weight method firstly. Secondly, the crucial water quality parameters is determined by using mutual information, coefficient of variation and the water quality difference. Finally, an enhanced beetle antennae search algorithm is proposed to optimize the weight values of the crucial parameters in the range 0 to 1, which represent the ratio of the crucial parameter in the minimum WQI (WQImin) model. The WQImin models with different number of crucial water quality parameters are implemented for water quality assessment. The effectiveness and superiority of the proposed enhanced beetle antennae search algorithm are validated in comparison with other evolutionary algorithms. The results show that the proposed WQImin model can assess the water quality accurately.
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Affiliation(s)
- Zehai Gao
- State Key Laboratory of Eco-Hydraulics in Northwest Arid Region of China, Xi’an University of Technology, Xi’an, 710048 China
| | - Yang Liu
- State Key Laboratory of Eco-Hydraulics in Northwest Arid Region of China, Xi’an University of Technology, Xi’an, 710048 China
| | - Nan Li
- Shangnan Forestry Bureau, Shangnan, Shangluo, 726300 Shaanxi China
| | - Kangjie Ma
- Shangnan Bureau of Natural Resources, Shangluo, Shaanxi China
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