population levels

例句 (10)

• Scientists are concerned about declining population levels of certain species.科学家们对某些物种不断下降的种群水平表示担忧。
• Government policies aim to stabilize population levels in rural areas.政府政策旨在稳定农村地区的人口水平。
• Monitoring population levels is crucial for wildlife conservation.监测种群水平对野生动物保护至关重要。
• The city's rapid expansion has affected local population levels.城市的快速扩张影响了当地的人口水平。
• Experts predict a significant drop in global population levels by the end of the century.专家预测到本世纪末全球人口水平将大幅下降。
• Historical data shows fluctuating population levels throughout the region's history.历史数据显示该地区历史上人口水平波动不定。
• Maintaining healthy population levels is vital for ecosystem balance.维持健康的种群水平对生态系统平衡至关重要。
• The study examined how climate change impacts marine population levels.该研究考察了气候变化如何影响海洋种群水平。
• Economic factors often influence human population levels in developing countries.经济因素常影响发展中国家的人类人口水平。
• Measures were introduced to control the rising population levels in urban centers.采取了措施来控制城市中心不断上升的人口水平。