A Quantitative Method for Sampling Riverine Microhabitats by Electrofishing

Bain, Mark B.; Finn, John T.; Booke, Henry E.

doi:10.1577/1548-8659(1985)5<489:aqmfsr>2.0.co;2

Cited by 107 publications

(98 citation statements)

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“…Biological criteria were established from an electrofishing survey, in which fish were collected using the pre-exposed grid technique developed by Bain et al, (1985). Nearly 1,800 fish representing 17 species were captured over 468 surveyed mesohabitats.…”

Section: Biological Criteriamentioning

confidence: 99%

Upscaling: Integrating Habitat Model into River Management

Parasiewicz¹

2003

Canadian Water Resources Journal

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Physical habitat modelling has been developed at the scale best applicable to short river stretches and selected species of fish. The integration of these models into management practices at the river and watershed scale would therefore require corresponding modifications in both the models and results. Such procedures fall into three major categories: biological, spatial and temporal upscaling. Biological upscaling develops methods for applying habitat models to aquatic communities, as opposed to individual indicator species. Spatial upscaling creates a hierarchical framework through which to translate habitat observations from the species to management scale. Temporal upscaling incorporates biological and hydromorphological dynamics into the static model. In the following paper the upscaling concept will be described in greater detail, illustrating its application with the example of the Quinebaug River in New England. RÉSUMÉ

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Section: Biological Criteriamentioning

confidence: 99%

Upscaling: Integrating Habitat Model into River Management

Parasiewicz¹

2003

Canadian Water Resources Journal

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“…refuging behaviour of BOVEE, 1982). To overcome this bias, a sampling technique using preinstalled anodes (BAIN et al, 1985) that surprise the fish within the cover habitat could be more efficient. Direct underwater observation may underestimate the use of cover in shallow, turbid, or fast-flowing water, in highly structured instream cover, and at low water temperature because fish are difficult to see (HEGGENES et al, 1990).…”

Section: Assessment Of Biological Attributesmentioning

confidence: 99%

Nature and Functions of Cover for Riverine Fish.

Allouche¹

2002

Bull. Fr. Pêche Piscic.

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This review attempts to assess the nature and the role of cover for riverine fish assemblages. Although early identified as a key factor for fish distribution, especially for salmonids, cover (i.e. woody debris, undercut banks, boulders, turbidity...) still remains the variable least considered in the studies of fish habitat relationships. This is mainly due to the diversity of ecological functions of cover structures in fish assemblages. Cover structures are structuring components of fish habitat and contribute to the biological productivity of streams. But, at the individual scale, cover fulfils three main functions: protection against predators, visual isolation reducing competition, and hydraulic shelter. In fact, the use of cover by fish results from a trade-off between the costs and the benefits associated with its use. Although the relationships between fish and cover appear extremely complex and context-specific, a growing body of evidence highlights the potential role of cover for management purposes.Key-words : cover, shelter, riverine fish, fish habitat. NATURE ET FONCTIONS DU COUVERT POUR LES POISSONS LOTIQUES. RÉSUMÉCet article décrit la typologie ainsi que les fonctions du couvert pour les poissons lotiques. Identifié très tôt comme un facteur explicatif de la distribution des poissons, principalement chez les salmonidés, le couvert (i.e. débris ligneux, sous-berges, blocs, turbidité...) demeure néanmoins la variable la moins considérée dans l'étude des relations habitat-poissons. Ceci s'explique notamment par les fonctions écologiques très diverses que le couvert remplit vis-à-vis des assemblages piscicoles. Les structures pourvoyeuses de couvert sont des agents structurants de l'habitat piscicole et contribuent à la productivité biologique des cours d'eau. Au niveau du microhabitat du poisson, le couvert remplit trois fonctions majeures : anti-prédation, isolation visuelle limitant la compétition, et abri hydraulique. En fait, l'utilisation du couvert par les poissons résulte d'un compromis entre les coûts et les bénéfices associés d'où l'extrême complexité de cette relation qui semble plutôt spécifique à un contexte donné. Malgré les difficultés d'extrapolation, de nombreux travaux mettent en évidence la signification écologique ainsi que l'utilisation potentielle du couvert pour une gestion optimale des ressources piscicoles.Mots-clés : couvert, abri, poissons lotiques, habitat piscicole.

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“…After the placement of the electrofishing devices, the sample grids were not disturbed for at least 11 min [39]. The sample grids were placed on the adjacent shoreline because the shoreline is an important habitat for fish [12,40,41].…”

Section: Fish Samplingmentioning

confidence: 99%

The Importance of Providing Multiple-Channel Sections in Dredging Activities to Improve Fish Habitat Environments

Chiu

Suen

2016

Water

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After Typhoon Morakot, dredging engineering was conducted while taking the safety of humans and structures into consideration, but partial stream reaches were formed in the multiple-channel sections in Cishan Stream because of anthropogenic and natural influences. This study mainly explores the distribution of each fish species in both the multiple-and single-channel sections in the Cishan Stream. Parts of the environments did not exhibit significant differences according to a one-way ANOVA comparing the multiple-and single-channel sections, but certain areas of the multiple-channel sections had more diverse habitats. Each fish species was widely distributed by non-metric multidimensional scaling in the multiple-channel sections as compared to those in the single-channel sections. In addition, according to the principal component analysis, each fish species has a preferred environment, and all of them have a wide choice of habitat environments in the multiple-channel sections. Finally, the existence of multiple-channel sections could significantly affect the existence of the fish species under consideration in this study. However, no environmental factors were found to have an influence on fish species in the single-channel sections, with the exception of Rhinogobius nantaiensis. The results show that providing multiple-channel sections in dredging activities could improve fish habitat environments.

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A Quantitative Method for Sampling Riverine Microhabitats by Electrofishing

Cited by 107 publications

References 0 publications

Upscaling: Integrating Habitat Model into River Management

Upscaling: Integrating Habitat Model into River Management

Nature and Functions of Cover for Riverine Fish.

The Importance of Providing Multiple-Channel Sections in Dredging Activities to Improve Fish Habitat Environments

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