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Manatee Zone Compliance among Boaters in Florida

机译：佛罗里达州划船者的海牛区合规性

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The endangered Florida manatee is negatively impacted by substantial growth in the use of recreational watercraft, with vessel strikes currently accounting for 24% of manatee deaths in the state. Manatee conservation zones have been delineated that require boaters to reduce vessel speeds. Despite the prominent role these zones play in manatee protection, compliance is variable. Studies conducted in the state show non-compliance to be related to an absence of law enforcement and vessel attributes. This study examined boater compliance (n = 1,669) and its relationship to boat, boater, and situational attributes on the St. Johns River in Volusia County, Florida during the summer and fall of 2006. Hull registration numbers of observed watercraft were used to generate a sample of boaters for a survey to evaluate boater assessment of onwater signage self-reported compliance and other boater attributes. Most respondents self-reported full compliance with speed zones; however, full compliance was exhibited by only 45% of observed vessels relative to strict miles-per-hour speed limits used to represent one slow and one idle speed zone. The average level of non-compliance was low. Compliance varied by site, vessel length, presence of law enforcement, and present or impending foul weather. Furthermore, boaters’ assessment of on-water signage suggests that on-water signage effectiveness may need to be improved.
机译：濒临灭绝的佛罗里达海牛受到休闲船只使用量大幅增长的负面影响，目前船只罢工占该州海牛死亡人数的24％。划定了海牛保护区，要求划船者降低船速。尽管这些区域在海牛保护中发挥着重要作用，但依从性却是可变的。在该州进行的研究表明，违规与缺乏执法和船只属性有关。这项研究在2006年夏季和秋季检查了佛罗里达州Volusia县圣约翰斯河上划船者的依从性（n = 1,669）及其与划船者，划船者和情况属性的关系。使用观察到的船只的船体注册号生成划船者样本，以进行评估划船者对水上标牌自我报告的依从性和其他划船者属性的评估的调查。大多数受访者自我报告完全遵守速度区;但是，相对于用于表示一个慢速区域和一个空转速度区域的严格的每小时英里数速度限制，只有45％的观察船表现出完全依从性。违规的平均水平很低。依从性，地点，船只长度，执法机构以及当前或即将发生的恶劣天气而变化。此外，划船者对水上标牌的评估表明，水上标牌的有效性可能需要提高。

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