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首页> 外文期刊>Oryx >Evidence-based management to regulate the impact of tourism at a key marine turtle rookery on Zakynthos Island, Greece
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Evidence-based management to regulate the impact of tourism at a key marine turtle rookery on Zakynthos Island, Greece

机译：循证管理，规范希腊扎金索斯岛一个主要海龟群对旅游业的影响

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This study evaluates how key beach features influence suitability for nesting by Endangered loggerhead marine turtles Caretta caretta at an internationally important rookery on Zakynthos Island, Greece. During 2007-2009 we assimilated information on beach structure (elevation above sea level and width), the distribution of all nesting (turtle tracks that resulted in nests) and nonnesting (turtle tracks that did not result in nests) turtle emergences from the sea along 6 km of beach, nest placement parameters (distance from sea and elevation above sea level), and beach use by visitors. We found that turtles preferentially emerged on steeper sections of beach, with higher nesting densities occurring on the most environmentally stable beaches. Elevation was a more reliable indicator of nest placement (1 m above sea level) than distance to shore. However, because nests on steeper slopes are located closer to shore, the risk of damage by tourism is increased in such areas. We calculated a potential 36% overlap of natural nest locations with use of the beach by tourists; however, the recorded overlap was 7% because of existing management protocols. This overlap could be further reduced by focusing conservation effort (i.e. further restricting use by people) on beach sections with the steepest inclines. For example, slopes of ＞ 22° comprise 1 km of total beach area annually, the closure of which (above the immediate shoreline to allow passage) would completely protect 50% of nests. This study shows the value of evidence-based management as a practical scientific tool to conserve threatened species in dynamic protected areas that are of both environmental and economic importance.
机译：这项研究评估了关键海滩特征如何影响濒临灭顶的海龟海龟（Caretta caretta）在希腊扎金索斯岛上国际上重要的鸟类栖息地的适宜性。在2007年至2009年期间，我们吸收了沿海结构的信息（包括海平面和海拔高度，海拔高度和宽度），所有筑巢（导致筑巢的海龟径）和非筑巢（未筑成巢的海龟径）分布6公里的海滩，筑巢位置参数（距海的距离和海拔的高度）以及访客使用的海滩。我们发现，海龟优先出现在较陡峭的海滩上，较高的筑巢密度出现在对环境最稳定的海滩上。海拔高度是巢位置（海拔1 m）比到海岸的距离更可靠的指标。但是，由于更陡峭的山坡上的巢穴靠近海岸，因此在这些地区旅游业遭受破坏的风险增加了。我们计算出，游客使用海滩时，自然巢穴位置可能重叠36％；但是，由于现有的管理协议，记录的重叠率为7％。通过将保护工作（即进一步限制人们的使用）集中在最陡峭的海滩上，可以进一步减少这种重叠。例如，每年＞ 22°的斜坡占海滩总面积的1公里，将其封闭（在紧邻海岸线上方以允许通过）可以完全保护50％的巢穴。这项研究表明，基于证据的管理作为一种实用的科学工具的价值，可以在具有环境和经济意义的动态保护区内保护受威胁物种。

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