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首页> 外文期刊>Ocean & coastal management >Influence of boat traffic on distribution and behavior of juvenile hawksbills foraging in a marine protected area in Roatan, Honduras
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Influence of boat traffic on distribution and behavior of juvenile hawksbills foraging in a marine protected area in Roatan, Honduras

机译：船际对洪都拉斯罗丹海洋保护区少年鹰派觅食的分布及行为的影响

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摘要

Marine protected areas (MPAs) have been implemented to reduce negative impacts of human activities on marine life. However, many MPAs do not address boat traffic and the behavioral alterations and physical injury to marine organisms that may result. Boating activities can alter activity patterns, increase stress, and lead to physical injury in various aquatic animals. The Sandy Bay West End Marine Reserve (SBWEMR) is a marine protected area in Roatan, Honduras, and a foraging area for the critically endangered hawksbill sea turtle (Eretmochelys imbricata). While direct capture by the public is forbidden, managing both increasing boat traffic, and its effect on hawksbill distribution and behavior are not addressed in the reserve's management plans. We aimed to quantify the amount of boat traffic moving throughout the SBWEMR and evaluate the effect of boat traffic on the presence, distribution, and behavior of juvenile hawksbills. Boat traffic throughout the reserve was quantified through a series of above-water and in-water surveys, while hawksbill behavior and presence were evaluated through in-water surveys using SCUBA. Spearman correlation suggested a moderate, but significant, positive correlation between boat intensity and hawksbill presence. Yet, a nonsignificant negative correlation was evident between boat intensity and behavior. Although data suggest that boat traffic may not disrupt or negatively alter in-water behavior, hawksbills are prone to the additional hazards of boat collisions and propeller strikes. To reduce the risks of injury and mortality, efforts should be made to continually monitor, regulate, and enforce vessel speeds in MPAs where hawksbills reside.
机译：已实施海洋保护区（MPA），以减少人类活动对海洋生物的负面影响。然而，许多MPA不会解决可能导致的海洋生物的船舶交通和行为改变和身体损伤。划船活动可以改变活动模式，增加压力，导致各种水生动物的身体损伤。 Sandy Bay West End Marine Reserve（SBWEMR）是罗丹，洪都拉斯的海洋保护区，以及批判性濒临灭绝的鹰派海龟（Eretmochelys Imbricata）的觅食区。虽然被公众直接捕获禁止，但管理船舶交通的增加，并在储备的管理计划中没有解决对鹰派分销和行为的影响。我们旨在量化在整个SBWEMR的船舶交通量，并评估船舶交通对少年鹰派的存在，分配和行为的影响。通过一系列上述水和水中调查量化整个储备的船舶流量，而鹰派的行为和存在通过使用水肺的水中调查评估。 Spearman相关表明，船强度和鹰派存在之间的中等而显着，正相关性。然而，在船强度和行为之间是显而易见的负相关。虽然数据表明，船舶交通可能不会破坏或消极改变水中行为，但鹰派易于乘船碰撞和螺旋桨撞击的额外危险。为减少伤害和死亡率的风险，应努力不断监测，规范和执行鹰派居住的MPA中的船舶速度。

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  • 来源
    《Ocean & coastal management》 |2020年第12期|105379.1-105379.10|共10页
  • 作者

    Wright Marsha K.; Baumbach Dustin S.; Collado Nancy; Safi Shahnaj Binte; Dunbar Stephen G.;

  • 作者单位

    Inc ProTECTOR Inc Protect Turtle Ecol Ctr Training Outreach & Res I Loma Linda CA 92350 USA|Loma Linda Univ Dept Earth & Biol Sci Marine Res Grp Loma Linda CA 92350 USA;

    Inc ProTECTOR Inc Protect Turtle Ecol Ctr Training Outreach & Res I Loma Linda CA 92350 USA|Loma Linda Univ Dept Earth & Biol Sci Marine Res Grp Loma Linda CA 92350 USA;

    Loma Linda Univ Res Consulting Grp Loma Linda CA 92350 USA;

    Loma Linda Univ Res Consulting Grp Loma Linda CA 92350 USA;

    Inc ProTECTOR Inc Protect Turtle Ecol Ctr Training Outreach & Res I Loma Linda CA 92350 USA|Loma Linda Univ Dept Earth & Biol Sci Marine Res Grp Loma Linda CA 92350 USA|Protect Turtle Ecol Ctr Training Outreach & Res H Tegucigalpa Honduras;

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  • 正文语种 eng
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  • 关键词

    Eretmochelys imbricata sea turtles; Vessel traffic; Sandy Bay West End Marine Reserve;

    机译：ERETMOCHELYS IMBRICATA海龟;船只交通;沙湾西端海洋储备;

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