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Mangrove Unit

Estuaries are unique ecosystems where fresh and saltwater mix, forming rich habitats that support a diverse range of organisms. Significant cities like New York are situated at these vital junctures, which are essential for ecological balance but face threats from pollution, overfishing, and urban development. These ecosystems are affected by upstream activities, leading to contamination from plastics, pesticides, and more. Protecting estuaries is crucial, as they serve as habitats for various species and are fundamental to environmental health.

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Mangrove Unit

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  1. Mangrove Unit Vocabulary

  2. the wide part of a river where it nears the sea; fresh and salt water mix Estuaries Amazon River Estuary reaching the Atlantic Ocean

  3. Estuaries • Fresh water meets salt water • Of the 32 largest cities in the world, 22 are located on estuaries.[12] For example, New York City is located at the orifice of the Hudson River estuary.[13] • As ecosystems, estuaries are under threat from human activities such as pollution and overfishing. They are also threatened by sewage, coastal settlement, land clearance and much more. • Estuaries are affected by things that happen further up the river. • Materials such as pollutants and sediments and domestic waste enter rivers and are discharged into estuaries. • Contaminants can be introduced which do not disintegrate rapidly such asplastics, pesticides, furans, dioxins,phenols and  heavy metals.

  4. Ecosystem ecosystem: a place where living and nonliving things exist and interact with each other.

  5. Habitat habitat: a place where an organism lives

  6. Organisms Upside Down Jellyfish Proboscis Monkey organism: a living thing, such as a plant or animal Hornbill

  7. Strong roots protect from Tsunamis Adaptations adaptation: a behavior or body part of a living thing that helps it survive Ability to excrete salt crystals Propagules

  8. Community • community: a group of plants and animals that live in the same area and interact with each other

  9. Population • population: all the organisms of the same kind that live together in an ecosystem

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