- Tropical rainforests: These are found in the southwest and central regions of the country and are characterized by tall trees, dense vegetation, and high levels of rainfall. Rainforests are home to a variety of plant and animal species, including many that are endemic to Sri Lanka.
- Dry zone forests: These are found in the northern and eastern regions of the country and are characterized by a mix of deciduous and evergreen trees. Dry zone forests are home to a variety of plant and animal species, including many that are adapted to the dry conditions.
- Montane forests: These are found in the central highlands of the country and are characterized by a kühles Klima and lush vegetation. Montane forests are home to a variety of plant and animal species, including many that are endemic to Sri Lanka.
- Grasslands: These are found in the northern and eastern regions of the country and are characterized by open areas covered in grass. Grasslands are home to a variety of plant and animal species, including many that are adapted to the grazing conditions.
- Wetlands: These are found in various parts of the country and include marshes, swamps, and lakes. Wetlands are home to a variety of plant and animal species, including many that are adapted to the wet conditions.
- Coastal ecosystems: These are found along the coast of the country and include beaches, coral reefs, and mangroves. Coastal ecosystems are home to a variety of plant and animal species, including many that are adapted to the marine environment.
Sri Lanka's diverse ecosystems support a rich variety of plant and animal life. The country is home to over 4,000 plant species, of which over 1,000 are endemic. Sri Lanka is also home to over 200 bird species, of which over 25 are endemic. In addition, the country is home to a variety of mammal, reptile, and amphibian species.
Sri Lanka's ecosystems are facing a number of threats, including deforestation, pollution, and climate change. These threats are causing a loss of biodiversity and a degradation of ecosystem services. Conservation efforts are underway to protect Sri Lanka's ecosystems and ensure their sustainable use.