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首页> 外文期刊>Conservation Biology >Using Coral Disease Prevalence to Assess the Effects of Concentrating Tourism Activities on Offshore Reefs in a Tropical Marine Park
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Using Coral Disease Prevalence to Assess the Effects of Concentrating Tourism Activities on Offshore Reefs in a Tropical Marine Park

机译：利用珊瑚疾病的流行度评估热带海洋公园中旅游活动对海洋礁石集中的影响

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Abstract: Concentrating tourism activities can be an effective way to closely manage high-use parks and minimize the extent of the effects of visitors on plants and animals, although considerable investment in permanent tourism facilities may be required. On coral reefs, a variety of human-related disturbances have been associated with elevated levels of coral disease, but the effects of reef-based tourist facilities (e.g., permanent offshore visitor platforms) on coral health have not been assessed. In partnership with reef managers and the tourism industry, we tested the effectiveness of concentrating tourism activities as a strategy for managing tourism on coral reefs. We compared prevalence of brown band disease, white syndromes, black band disease, skeletal eroding band, and growth anomalies among reefs with and without permanent tourism platforms within the Great Barrier Reef Marine Park. Coral diseases were 15 times more prevalent at reefs with offshore tourism platforms than at nearby reefs without platforms. The maximum prevalence and maximum number of cases of each disease type were recorded at reefs with permanently moored tourism platforms. Diseases affected 10 coral genera from 7 families at reefs with platforms and 4 coral genera from 3 families at reefs without platforms. The greatest number of disease cases occurred within the spatially dominant acroporid corals, which exhibited 18-fold greater disease prevalence at reefs with platforms than at reefs without platforms. Neither the percent cover of acroporids nor overall coral cover differed significantly between reefs with and without platforms, which suggests that neither factor was responsible for the elevated levels of disease. Identifying how tourism activities and platforms facilitate coral disease in marine parks will help ensure ongoing conservation of coral assemblages and tourism.
机译：摘要：尽管可能需要在永久性旅游设施上进行大量投资，但集中旅游活动可能是一种有效管理严密使用公园的方法，并将游客对动植物的影响降到最低程度。在珊瑚礁上，与人类有关的各种干扰都与珊瑚病的升高有关，但尚未评估基于珊瑚礁的旅游设施（例如，永久性近海游客平台）对珊瑚健康的影响。与珊瑚礁管理者和旅游业合作，我们测试了集中旅游活动作为管理珊瑚礁旅游业战略的有效性。我们比较了大堡礁海洋公园内有和没有永久性旅游平台的珊瑚礁中棕带病，白色综合征，黑带病，骨骼侵蚀带和生长异常的患病率。具有海上旅游平台的珊瑚礁的珊瑚病患病率是附近无平台的珊瑚礁的流行率的15倍。在永久停泊的旅游平台上的礁石上记录了每种疾病类型的最大流行率和最大病例数。疾病影响了有平台的暗礁中7个科的10个珊瑚属和没有平台的暗礁中3个科的4个珊瑚属。最大的疾病病例发生在空间占优势的顶孢珊瑚中，在有平台的珊瑚礁上，其疾病患病率比没有平台的珊瑚高18倍。在有平台和没有平台的情况下，礁石的百分比覆盖率和整个珊瑚的覆盖率都没有显着差异，这表明这两个因素都不是造成疾病增加的原因。确定旅游活动和平台如何促进海岸公园的珊瑚病将有助于确保对珊瑚群和旅游业的持续保护。

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