Risk evaluation of onshore wind farms in relation to wild duck (Anatidae) movements in the Yangtze River Mouth, China
Risk evaluation of onshore wind farms in relation to wild duck (Anatidae) movements in the Yangtze River Mouth, China
复制标题
长江口陆上风电场野鸭活动风险评估
DOI：
10.1049/rpg2.12347
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发表时间：
2021-12
影响因子：
2.6
通讯作者：
Wang Tianhou
中科院分区：
文献类型：
--
作者：
Zhao Shanshan;Xu Huan;Zhong Shurong;Song Ningning;Liu Ningning;Wang Zhenghuan;Li Ben;Wang Tianhou
虽然风力发电是一种很有前途的可再生能源，但以前的研究主要集中在发现风力发电场造成的物种和丰度减少。然而，很少有研究关注陆上风电场与鸟类运动的碰撞风险，这是平衡风能开发和生物多样性保护的重要指标。在这里，通过结合15只鸭子的卫星跟踪和6次实地调查来记录鸟类的运动，以评估长江口的碰撞风险，长江口是东亚-澳大拉西亚飞行路线沿着迁徙水鸟的越冬地。结果表明，在越冬中后期，鸭群所在地与最近风力发电机的距离显著大于越冬前期。此外，风电场内的鸭子倾向于在距离涡轮机所在的堤坝300 m内飞出涡轮机转子高度范围（45-135 m：转子尖端的最低点和最高点之间），从而降低了碰撞风险。当涡轮机旋转时，鸭子也倾向于在最小转子尖端高度（< 45 m）以下飞行。这些结果表明，鸭子采取行为回避策略来应对风电场，关闭涡轮机以减少碰撞风险可能是不必要的。
Although wind power is a promising source of renewable energy, previous studies have focused on uncovering species and abundance decreases caused by wind farms. However, very few studies focus on collision risk of onshore wind farms in relation to birds’ movements which are the important indicators for balancing wind energy development and biodiversity conservation. Here, birds’ movement were recorded by combining 15 ducks’ satellite tracking and six field surveys to assess collision risks in Yangtze River Mouth, the wintering site for migratory waterbirds along the East Asian–Australasian Flyway. It is found that distances between ducks’ locations and nearest wind turbines in middle and later wintering periods were significantly higher than during early period. Besides, ducks inside wind farm tended to fly outside turbine rotor height range (45–135 m: between lowest and highest points the rotor tips) within 300 m from the dyke where the turbines were located, thus decreasing their collision risk. Ducks also tended to fly below the minimum rotor tip height (< 45 m) when the turbines were rotating. These results suggest that ducks adopt behavioural avoidance strategies in response to wind farms, and turning off turbines to reduce collision risks may be unnecessary.
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