商业鱼类在不同的气候变化情景下预测的息地偏好
Sana Sharifian1, Mohammad Seddiq Mortazavi2, Seyedeh Laili Mohebbi Nozar2
1Agricultural Research Education and Extension Organization (AREEO), Persian Gulf and Oman Sea Ecological Research Center, Iranian Fisheries Sciences Research Institute, Bandar Abbas, Hormozgan, Iran. sharifian_sana@yahoo.com.
Scientific reports
|May 3, 2024
概括
气候变化将使商业鱼类息地转向更,更温暖,更深的水域. 管理策略对于在这些预测的分布变化面前保护鱼类资源至关重要.
科学领域:
- 海洋生物学和生态学
- 气候变化影响评估
- 渔业 科学 渔业 科学
背景情况:
- 商业鱼类面临气候变化带来的重大威胁,需要预测分布变化和息地偏好.
- 了解未来气候变化如何影响商业重要鱼类对于有效的渔业管理和保护工作至关重要.
研究的目的:
- 预测未来气候变化对三种商业鱼类息地适宜性的影响.
- 利用MaxEnt预测技术在各种气候场景下建模鱼类分布的潜在变化.
主要方法:
- 地理记录是从OBIS (54%),GBIF (1%) 和文献 (45%) 中编制的.
- 使用最大 (MaxEnt) 建模技术来预测息地的适宜性.
- 模型的准确性得到了验证,实现曲线下的面积 (AUC) 超过0.9.
主要成果:
- 温度被确定为影响鱼类分布的主要环境描述因素.
- 未来的气候场景 (RCP 2.5至8.5) 预测人们会偏爱更盐,更温暖和更深的水域.
- 各种物种对气候变化表现出不同的敏感性,导致不同情景中适合息地的百分比不同.
结论:
- 预计气候变化将减少和改变适合的息地,将商业鱼类物种推向更高度.
- 适应性管理措施对于保护鱼类资源至关重要,特别是在亚热带地区和过度开采的物种.
- 该研究强调,迫切需要解决气候变化对脆弱商业渔业的影响.
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