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Digital camera monitoring of recreational fishing effort: Applications and challenges
Fish and Fisheries ( IF 6.7 ) Pub Date : 2019-10-08 , DOI: 10.1111/faf.12413
Bruce W. Hartill 1 , Stephen M. Taylor 2 , Krystle Keller 3, 4 , Marc Simon Weltersbach 5
Affiliation  

The growing awareness of the impact that recreational fishers can have on fish stocks has highlighted the paucity of information used to inform their management. Most of the available information on the scale and nature of recreational catch and effort has come from intermittent and labour‐intensive surveys that provide fragmented insights into often highly variable fisheries. Digital cameras offer a more cost‐effective means of continuously monitoring trends in recreational fishing effort, and it is surprising that greater use of this approach has not been made to date given its widespread use in other contexts. We share lessons learnt from four early adopter studies in New Zealand, Australia and Germany, where digital cameras have been used to monitor recreational fishing effort. Many of the challenges that we have encountered and overcome were initially unforeseen, and we suggest solutions and strategies to address these issues. We conclude that all aspects of a camera‐based monitoring system should be considered from the outset, to optimize the utility and value of the information they provide over the long term. Aspects to consider include the location and configuration of a camera system, ensuring service continuity, image quality, data storage, image interpretation and ultimately the analysis of any data collected. Robustly designed digital camera monitoring systems can be used to gain greater insight into recreational fishery dynamics, leading to more informed, responsive and effective fisheries management.

中文翻译:

数码相机对休闲捕鱼活动的监控:应用和挑战

人们越来越意识到休闲渔民可能对鱼类种群产生的影响,这凸显了用于管理的信息稀少。关于娱乐性捕捞活动和努力的规模和性质的大多数可用信息来自间歇性和劳动密集型调查,这些调查提供了对经常高度变化的渔业的零碎见解。数码相机提供了一种更具成本效益的方式,可以持续监控休闲捕鱼活动的趋势,令人惊讶的是,由于在其他情况下已广泛使用该方法,因此迄今为止尚未对此方法进行更多的使用。我们将分享在新西兰,澳大利亚和德国进行的四项早期采用者研究中获得的经验教训,在这些研究中,数码相机已被用于监控休闲捕鱼活动。我们最初遇到的许多挑战是无法预见的,我们建议解决这些问题的解决方案和策略。我们得出结论,从一开始就应该考虑基于摄像机的监视系统的所有方面,以优化它们提供的长期信息的效用和价值。需要考虑的方面包括摄像头系统的位置和配置,确保服务连续性,图像质量,数据存储,图像解释以及最终对收集到的任何数据的分析。坚固耐用的数码相机监控系统可用于更深入地了解休闲渔业动态,从而实现更加明智,响应迅速和有效的渔业管理。我们得出结论,从一开始就应该考虑基于摄像机的监视系统的所有方面,以优化它们提供的长期信息的效用和价值。需要考虑的方面包括摄像头系统的位置和配置,确保服务连续性,图像质量,数据存储,图像解释以及最终对收集到的任何数据的分析。坚固耐用的数码相机监控系统可用于更深入地了解休闲渔业动态,从而实现更加明智,响应迅速和有效的渔业管理。我们得出结论,从一开始就应该考虑基于摄像机的监视系统的所有方面,以优化它们提供的长期信息的效用和价值。需要考虑的方面包括摄像头系统的位置和配置,确保服务连续性,图像质量,数据存储,图像解释以及最终对收集到的任何数据的分析。坚固耐用的数码相机监控系统可用于更深入地了解休闲渔业动态,从而实现更加明智,响应迅速和有效的渔业管理。确保服务的连续性,图像质量,数据存储,图像解释,并最终分析收集到的所有数据。坚固耐用的数码相机监控系统可用于更深入地了解休闲渔业动态,从而实现更加明智,响应迅速和有效的渔业管理。确保服务的连续性,图像质量,数据存储,图像解释,并最终分析收集到的所有数据。坚固耐用的数码相机监控系统可用于更深入地了解休闲渔业动态,从而实现更加明智,响应迅速和有效的渔业管理。
更新日期:2019-10-08
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