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Bird strandings and bright lights at coastal and offshore industrial sites in Atlantic Canada
Avian Conservation and Ecology ( IF 1.4 ) Pub Date : 2021-06-16 , DOI: 10.5751/ace-01860-160122
Carina Gjerdrum , Robert A. Ronconi , Kelley L. Turner , Thomas E. Hamer

Artificial lights can disorient birds and lead to injury or death. In Atlantic Canada, lights attract birds at sites along the coastline and offshore, but the relative impacts of lights on birds in this region are largely unknown. We summarized data on stranded bird encounters submitted annually to the Canadian Wildlife Service, Environment and Climate Change Canada, and quantified light radiance values at a selection of industrial sites in the region. Stranded birds were reported from offshore oil and gas production platforms, support vessels, and seismic ships, and from onshore oil and gas refineries and construction facilities. Leach's Storm-Petrel (Hydrobates leucorhoa) was the most abundant bird species to be stranded: most were found alive offshore Newfoundland and Labrador, and were subsequently released. Landbirds dominated the stranded bird reports from Nova Scotia. Offshore platforms in Newfoundland and Labrador were brighter than onshore sites, and were brighter than platforms located in Nova Scotia, particularly during the Leach's Storm-Petrel breeding season, in part due to flaring activity. Stranding events were more likely during nights with little or no moonlight, but systematic searches for stranded birds, with documentation of search effort by trained personnel, are needed to better understand how light characteristics, weather, and the location of sites influence strandings, and to monitor the effectiveness of light mitigation. Minimizing the threat of light attraction for declining populations of Leach's Storm-Petrels in the Atlantic is of particular importance given the species’ current conservation status.

中文翻译:

加拿大大西洋沿岸和近海工业区的鸟类搁浅和明亮的灯光

人造灯会使鸟类迷失方向并导致受伤或死亡。在加拿大大西洋沿岸,灯光会吸引海岸线和近海地点的鸟类,但灯光对该地区鸟类的相对影响在很大程度上是未知的。我们总结了每年提交给加拿大野生动物管理局、加拿大环境和气候变化局的搁浅鸟类遭遇数据,并量化了该地区选定工业场所的光辐射值。海上石油和天然气生产平台、支援船和地震船以及陆上石油和天然气精炼厂和建筑设施报告了搁浅鸟类。里奇的风暴海燕(Hydrobates leucorhoa)是被搁浅的最丰富的鸟类:大多数在纽芬兰和拉布拉多近海被发现还活着,随后被释放。陆鸟主导了来自新斯科舍省的搁浅鸟类报告。纽芬兰和拉布拉多的海上平台比陆上站点更亮,并且比位于新斯科舍省的平台更亮,尤其是在 Leach 的 Storm-Petrel 繁殖季节,部分原因是燃烧活动。搁浅事件更可能发生在月光很少或没有月光的夜晚,但需要系统地搜索搁浅的鸟类,并记录受过训练的人员的搜索工作记录,以更好地了解光线特征、天气和站点位置如何影响搁浅,并监测减光效果。考虑到该物种目前的保护状况,最大限度地减少对大西洋中里奇风暴海燕种群减少的光吸引力威胁尤为重要。
更新日期:2021-06-17
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