This is the 4112th most frequent Japanese word.
マングローブ
Mangrove: A type of tree or shrub that grows in coastal, tropical, and subtropical regions, typically in brackish water.
Here, マングローブ is used as a noun to refer to the natural plants called mangroves.
マングローブは熱帯地方に生息する独特な植物です。
Mangroves are unique plants that inhabit tropical regions.
Here, マングローブ modifies 'forest' to specify its type, indicating a habitat.
マングローブの森では多様な動物が観察できます。
In the mangrove forest, one can observe a variety of animals.
Here, マングローブ refers collectively to a group of these plants, emphasizing their visual aspect.