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Historical and Projected Changes in Spawning Phenologies of American Shad and Striped Bass in the Hudson River Estuary
Marine and Coastal Fisheries ( IF 1.7 ) Pub Date : 2019-06-25 , DOI: 10.1002/mcf2.10076 Christopher C. Nack 1, 2 , Dennis P. Swaney 3 , Karin E. Limburg 2
Marine and Coastal Fisheries ( IF 1.7 ) Pub Date : 2019-06-25 , DOI: 10.1002/mcf2.10076 Christopher C. Nack 1, 2 , Dennis P. Swaney 3 , Karin E. Limburg 2
Affiliation
Predicted increases in temperatures over the next century have raised many concerns about changes in the life history traits and geographical distributions of anadromous fishes. Anadromous fishes are particularly vulnerable to human activities due to the diverse array of habitats needed to complete their life cycle and the proximity of essential habitats to large human population centers. To understand the potential changes in spawning phenology of American Shad Alosa sapidissima and Striped Bass Morone saxatilis in the Hudson River estuary, a model was developed to estimate the onset, cessation, and duration of the spawning season through the 21st century, corresponding to projected water temperatures. Water temperatures for the Hudson River estuary were determined using recent models accepted by the Intergovernmental Panel on Climate Change. Model results indicate that by the 2090s, the spawning season of both species will initiate, on average, approximately 15 d earlier in the year, with spawning duration reduced by 4 d compared to the average spawning season in the 2010s.
中文翻译:
哈德逊河河口美洲鲈鱼和条纹鲈鱼产生物候的历史和预测变化
预计下个世纪温度会升高,这引起了人们对无性鱼类生活史特征和地理分布变化的担忧。由于完成其生命周期所需的各种栖息地以及基本栖息地与大型人口中心的接近,过失鱼类特别容易受到人类活动的影响。了解美洲American鱼Alosa sapidissima和条纹鲈Morone saxatilis产卵物候的潜在变化在哈德逊河河口,开发了一个模型来估算与预计水温相对应的贯穿21世纪的产卵季节的开始,停止和持续时间。哈德逊河河口的水温是根据政府间气候变化专门委员会接受的最新模型确定的。模型结果表明,到2090年代,这两个物种的产卵季节平均将在一年中的较早开始15 d,与2010年代的平均产卵季节相比,产卵时间缩短了4 d。
更新日期:2019-06-25
中文翻译:
哈德逊河河口美洲鲈鱼和条纹鲈鱼产生物候的历史和预测变化
预计下个世纪温度会升高,这引起了人们对无性鱼类生活史特征和地理分布变化的担忧。由于完成其生命周期所需的各种栖息地以及基本栖息地与大型人口中心的接近,过失鱼类特别容易受到人类活动的影响。了解美洲American鱼Alosa sapidissima和条纹鲈Morone saxatilis产卵物候的潜在变化在哈德逊河河口,开发了一个模型来估算与预计水温相对应的贯穿21世纪的产卵季节的开始,停止和持续时间。哈德逊河河口的水温是根据政府间气候变化专门委员会接受的最新模型确定的。模型结果表明,到2090年代,这两个物种的产卵季节平均将在一年中的较早开始15 d,与2010年代的平均产卵季节相比,产卵时间缩短了4 d。