Deployment of Paired Push Nets from Jet-Propelled Kayaks to Sample Ichthyoplankton

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Abstract

Abstract: Accessing and effectively sampling the off-channel habitats that are considered crucial for early life stages of freshwater fishes constitute a difficult challenge when common ichthyoplankton survey methods, such as push nets, are used. We describe a new method of deploying push nets from jet-propelled kayaks to enable the sampling of previously inaccessible off-channel habitats. The described rig is also functional in more open and accessible habitats, such as the main channel of rivers or reservoirs. Although further evaluation is necessary to ensure that results are comparable across studies, the described push-net system offers a statistically rigorous methodology that generates replicate samples from a wide range of freshwater habitats that were previously inaccessible to this gear type. Received January 26, 2015; accepted June 29, 2015

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Acre, M. R., & Grabowski, T. B. (2015). Deployment of Paired Push Nets from Jet-Propelled Kayaks to Sample Ichthyoplankton. North American Journal of Fisheries Management, 35(5), 925–929. https://doi.org/10.1080/02755947.2015.1069426

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