他们并不总是优先考虑保护莫纳克亚脆弱的生态系统，或保护生态系统在岛上居民心中的的神圣地位。
They did not always prioritize the protection of Mauna Kea's fragile ecosystems or its holiness to the islands' inhabitants.
保护生态系统和拯救物种并不是给富人带去奢侈品。
Preserving ecosystems and saving species are not luxuries for the rich.
在2009年12月号生态学应用杂志上发表的一项研究显示海中鱼类增多可保护生态系统不受讨厌的海藻污染。
A study published in the December 2009 Ecological Applications shows that keeping more fish in the sea may give an ecosystem some protection against unwanted algae.
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