Analyzing fisher effort -- Gender differences and the impact of Covid-19

arXiv - PHYS - Physics and Society Pub Date : 2024-09-08 DOI:arxiv-2409.07492

Julia S. Schmid1Department of Mathematical and Statistical Sciences, University of Alberta, Edmonton, Alberta, Canada, Sean Simmons2Anglers Atlas, Goldstream Publishing, Prince George, British Columbia, Canada, Mark S. PoeschDepartment of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada, Pouria RamaziDepartment of Mathematics and Statistics, Brock University, St. Catharines, Ontario, Canada, Mark A. Lewis1Department of Mathematical and Statistical Sciences, University of Alberta, Edmonton, Alberta, CanadaDepartment of Biological Sciences, University of Alberta, Edmonton, Alberta, CanadaDepartment of Biology, University of Victoria, Victoria, British Columbia, CanadaDepartment of Mathematics and Statistics, University of Victoria, Victoria, British Columbia, Canada

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Abstract

Fishing is a valuable recreational activity in our society. To assess future fishing activity, identifying variables related to differences in fishing activity, such as gender or Covid-19, is helpful. We conducted a Canada-wide email survey of users of an online fishing platform and analyzed responses with a focus on gender, the impact of Covid-19, and variables directly related to fisher effort. Genders (90.1% male and 9.9% female respondents) significantly differed in demographics, socioeconomic status, and fishing skills but were similar in fishing preferences, fisher effort in terms of trip frequency, and travel distance. For almost half of the fishers, Covid-19 caused a change in trip frequency, determined by the activity level and gender of the fisher. A Bayesian network revealed that travel distance was the main determinant of trip frequency and negatively impacted the fishing activity of 61% of the fishers. Fisher effort was also directly related to fishing expertise. The study shows how online surveys and Bayesian networks can help understand the relationship between fishers' characteristics and activity and predict future fishing trends.

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渔民捕鱼量分析 -- 性别差异和 Covid-19 的影响

钓鱼是我们社会中一项有价值的休闲活动。为了评估未来的钓鱼活动，确定与钓鱼活动差异相关的变量（如性别或 Covid-19）很有帮助。我们在全加拿大范围内对在线钓鱼平台的用户进行了电子邮件调查，并以性别、Covid-19 的影响以及与钓鱼者努力程度直接相关的变量为重点对回复进行了分析。性别（90.1% 的男性受访者和 9.9% 的女性受访者）在人口统计学、社会经济地位和捕鱼技能方面存在显著差异，但在捕鱼偏好、出海频率方面的渔民努力程度和旅行距离方面却很相似。对近一半的渔民来说，Covid-19 造成了出海频率的变化，这由渔民的活动水平和性别决定。贝叶斯网络显示，旅行距离是出海频率的主要决定因素，对 61% 的渔民的捕鱼活动产生了负面影响。该研究表明，在线调查和贝叶斯网络有助于了解渔民的特征与活动之间的关系，并预测未来的捕鱼趋势。

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arXiv - PHYS - Physics and Society

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