Digital Data Help Explain Drivers of Angler Satisfaction: An Example from Southern Norway

Johansen, Kurt; Olsen, Esben Moland; Haraldstad, Tormod; Arlinghaus, Robert; Höglund, Erik

doi:10.1002/nafm.10810

Cited by 4 publications

(1 citation statement)

References 40 publications

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“…Johansen et al. (2022) found that angler satisfaction was positively correlated to fish condition even in catch‐and‐release fishing. At the current levels of infection, the Rainbow Trout of Birch Creek are not exhibiting a reduction in catchability or short‐term survival, but there can be effects on the condition of the fish that may affect the interaction between the fish and anglers that needs to be further studied.…”

Section: Discussionmentioning

confidence: 99%

Low‐level infection of parasitic copepods on Rainbow Trout does not affect vulnerability to angling or short‐term survival following catch‐and‐release angling

Swain‐Menzel,

Billman

2023

N American J Fish Manag

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Parasitic copepods, or “gill lice,” can negatively impact fish hosts resulting in reduction in fitness and increased probability of mortality. The purpose of our study was to determine the effect of Salmincola californiensis on the vulnerability of Rainbow Trout to recreational angling and short‐term survival after being caught and released. We compared the prevalence and intensity of infection of S. californiensis on Rainbow Trout caught while angling and with a backpack electrofisher in May and October 2020 in Birch Creek, Idaho. In October, we also conducted a stress test (i.e. air exposure treatment) on trout caught by angling to determine the effects of parasitic copepods on short‐term survival of Rainbow Trout in a catch‐and‐release fishery. Infection with S. californiensis did not influence the vulnerability of Rainbow Trout to angling. After adjusting for sample size and size distribution, prevalence of infection in May was 48.3% for Rainbow Trout caught while electrofishing compared to 49.3% for Rainbow Trout caught while angling. In October, prevalence of infection was 41.2% for Rainbow Trout caught while electrofishing compared to 41.8% for Rainbow Trout caught while angling. We did not find a difference in short‐term survival of infected and uninfected Rainbow Trout after the stress test (4 ‐7 days after the test). We did not observe consequences of infection by parasitic copepods on vulnerability to angling or short‐term survival of Rainbow Trout in Birch Creek. However, conditions (i.e. low‐level of infection and relatively small fish) may not have been conducive to detecting differences in performance metrics; further testing at higher intensity of infection and with larger fish may uncover negative impacts of parasitic copepods on Rainbow Trout.

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Section: Discussionmentioning

confidence: 99%

Low‐level infection of parasitic copepods on Rainbow Trout does not affect vulnerability to angling or short‐term survival following catch‐and‐release angling

Swain‐Menzel,

Billman

2023

N American J Fish Manag

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Non-probabilistic surveys and sampling in the human dimensions of fisheries

Howarth,

Cooke,

Nguyen

et al. 2024

Rev Fish Biol Fisheries

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On the Line and Online: Higher Non‐Response to Web‐Based Surveys Over‐Represents Avid Recreational Fishers Compared With Telephone Surveys

Ryan,

Taylor,

Lyle

et al. 2024

Fisheries Management Eco

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Recreational fishing surveys have an important role in providing data to inform fisheries management. The selection of a contact method is an important and often challenging consideration that influences the potential for non‐sampling errors that can result in unrepresentative data and biased estimates. Telephones are used for many off‐site recreational fishing surveys, but widespread use of digital technology suggests that online surveys could be a viable alternative. We compared phone surveys with alternative online surveys using probability sampling from a licence database. Response rates were lower for online surveys (13%–26%) than phone surveys (97%–98%). The proportion of respondents who reported marine fishing in the previous 12 months did not differ between survey methods (98% for both survey modes), but the proportion of avid fishers was higher for online surveys (41%–54%) than phone surveys (37%–40%). These differences reflect higher respondent burden for online surveys where data are self‐administered and respondents are more likely to opt‐out. Higher non‐response and over‐representation of avid fishers from online surveys may compromise data reliability. We recommend comparative studies to quantify and correct for biases when evaluating alternative survey modes for new or ongoing surveys.

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Digital Data Help Explain Drivers of Angler Satisfaction: An Example from Southern Norway

Cited by 4 publications

References 40 publications

Low‐level infection of parasitic copepods on Rainbow Trout does not affect vulnerability to angling or short‐term survival following catch‐and‐release angling

Low‐level infection of parasitic copepods on Rainbow Trout does not affect vulnerability to angling or short‐term survival following catch‐and‐release angling

Non-probabilistic surveys and sampling in the human dimensions of fisheries

On the Line and Online: Higher Non‐Response to Web‐Based Surveys Over‐Represents Avid Recreational Fishers Compared With Telephone Surveys

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