And rats, scientists found, dramatically reduce the health of a coral reef surrounding an infested island.虽然有些岛屿上没有老 鼠,但历史上有船只造访过的岛屿现在都已成为这类入侵啮齿 动物的家园。科学家们发现,在有大批老鼠出没的岛屿周围, 其珊瑚礁的健康状况急剧下降。 5、To protect the environment,...
Palawan, the Philippines Belonging to the Philippines, Palawan is one of the best - kept secrets of island explorers. Healthy reef ecosystems have been able to thrive here due to the fact that it is still largely undeveloped and it's a bit off beaten path for most tourists. If you are ...
Past explorers were drawn to this vast terri- tory known in search of gold and fame. Today, visitors are held in awe of Alaska's extremely long summer days— hence the reference, land of the midnight sun—and the seemingly endless supply of majestic scenic beauty. Among these adventur- ...