At-sea distribution and abundance of seabirds and marine mammals off southern California GIS resource database: Aerial seabird and marine mammal surveys off southern California, 1999–2002
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Background - Interest in developing alternative sources of renewable energy to reduce dependence on oil has increased in recent years. Some sources of renewable...
研究背景 近年来，为降低对石油资源的依赖，开发可再生能源替代方案的关注度持续提升。部分可再生能源……
