subtropical - adj. an area close to tropical parts of the world
ecosystem - n. everything that exists in a particular environment
swamp - n. land that is always wet and often partly covered with water
estuary - n. where a river flows into the sea
marsh - n. soft, wet land that has many grasses and other plants
exotic - adj. very different, strange, or unusual
comprehensive - n. including many, most, or all things
restoration - n. bringing back something that existed before