The decline of bird species diversity and evenness index in Yueqing Bay indicated that the habitats of water birds were being degraded, which might be related to human disturbance such as reclamation.

• 鸟类多样性指数和均匀度指数均呈下降趋势，说明适宜水鸟栖息的整体资源环境正逐渐退化，这可能与围垦等人为干扰因素有关。