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Florida Key Deer Abundance and Recovery Following New World Screwworm Infestation

机译:佛罗里达重点鹿在新世界螺丝虫侵扰后的丰富和恢复

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An infestation of Cochliomyia hominivorax (New World Screwworm, hereafter Screwworm) was detected in the endangered Odocoileus virginianus clavium (Florida Key Deer) population in July 2016. We assessed the impact of this infestation on Florida Key Deer population abundance and recovery potential. We synthesized historical mortality and population data with new analyses including monitoring of Florida Key Deer mortalities and estimation of abundance on Big Pine Key and No Name Key ( islands that support 75% of the Florida Key Deer population). We documented 135 Screwworm-related Florida Key Deer mortalities (similar to 9-20% of the total population) during the Screwworm outbreak (July 2016-January 2017). Most mortalities occurred in the adult male population, as Screwworm flies laid eggs on open wounds sustained from sparring during mating season. The Screwworm incident was contained prior to the 2017 fawning season, which prevented substantial negative impacts on females or fawns. Historical growth rates at similar population levels and sex ratios indicated that, absent other external variables (e.g., Hurricane Irma in September 2017), the population was likely to recover.
机译:在2016年7月,在濒危ococoileus virginianus clavium(佛罗里达关键鹿)人口中检测到顽固的Odocoileus virginianus clavium(佛罗里达州凯瑟群)的侵袭。我们评估了这种侵扰对佛罗里达关键鹿种群丰富和恢复潜力的影响。我们用新分析综合了历史死亡率和人口数据,包括监测佛罗里达关键鹿死亡和大松树钥匙上丰富的估算,没有名字键(支持佛罗里达关键鹿人口的75%的岛屿)。我们记录了135个与螺丝丝绸相关的佛罗里达州关键鹿体重(类似于总人口的9-20%)(2016年7月至2017年1月)。大多数都是成年男性人口发生的大多数都发生,因为在交配季节的陪伴下,塞曲虫苍蝇被占有鸡蛋。苏打事件是在2017年之前的宣传季节之前载有的,这阻止了对女性或小鹿的大量负面影响。类似人口水平和性别比率的历史增长率表明,缺乏其他外部变量(例如,2017年9月飓风IRMA),人口可能会恢复。

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