Formation of a volcanic island: Mauritius

Small grey and rugged volcano in the ocean spewing out grey clouds of volcanic materials.

The island of Mauritius was formed approximately 10 million years ago by volcanic eruption. In fact, the island itself is a volcano. The highest point, 550 m – 600 m above sea level, is the central plateau; from there on, the land gently slopes Read More

Climate of Mauritius: From hail to no snow

Climate representation of two typical wet and dry seasons: Tree divided into 1/3 picture from left green leaves, green pasture, blue sky and tuffs of pink and grey clouds, and 2/3 picture to the right with half tree dried up and black in front on an orange sky with yellow sun and 4 black silhouetted birds flying in the distance.

The first thing to note here is that there is a difference between the words climate and weather. While people use these two words interchangeably, they, in fact, mean different things. Weather refers to atmospheric conditions over short periods of time, from daily to Read More

Mauritius – Richest algae community in the Indian Ocean

Green chunk of green algae lying on white sand and shallow clear water

Although small in size, Mauritius has an impressive figure of marine algae. Scientifically named as seaweed, they are photosynthetic organisms that can be as small as bacteria or as big as plants. They are the greenish to brownish leaves that wash up the shore Read More

Volcanic Islands’ Rocks – Mauritius

2 grey boulders on top of each other.

As one drives around the beautiful island of Mauritius, brightly coloured gentle slopes and deep valleys can be observed. These features are carved on the volcanic rocks that created the island. Magma from deep inside the Earth’s crust welled up and outpoured the thick Read More

What lies on the seafloor around Mauritius?

Red starfish on sandy beach, Mauritius.

Mauritius is located in the South West Indian Ocean Basin. The Indian Ocean itself started to expand during the splitting of Gondwana some 140 million years ago but was fully formed and filled to what it is now some 36 million years ago. It Read More

What is the status of wetlands in Mauritius?

Fat white and brown duck with a greenish blue head looking for food in water close to a cluster of wetland grass

Wetlands are those areas that are near constantly moist. They play a very important role in the environment; for example, they help in water absorption and trapping of harmful substances. Regretfully though, wetlands all over the world are disappearing and Mauritius is no exception. Read More

Freshwater sources of Mauritius

Old grey tap representing freshwater in the middle of green ferns

Mauritius has a freshwater system arising from the central plateau and moving towards the sides of the island. Obviously, this is due to the upper regions receiving more rainfall than the lower lying areas. The mean annual rainfall is 4200 mm on the highlands Read More

What does the marine environment consist of?

Grey and cream coral with a silver fish with black stripes and a yellow fish with black and white stripes, and smaller orange fishes swimming above the corals under a blue ocean of the marine environment

The marine environment relates to all physical and biological interaction that occurs between the sea and the land at the highest watermark. It includes the oceans, seas, bays, estuaries, lagoons, deep sea, oceanic trenches and ridges. In simple terms, the marine environment starts right Read More

Wetlands of Mauritius: Importance and Ramsar Sites

Grass blades reflecting in a small pool of water

Wetlands are places that are permanently or seasonally filled with freshwater, saltwater or a mixture of these two. As such, wetlands include areas such as marshes, ponds, borders of rivers and lakes and deltas. Though they are often neglected in environmental conservation programmes, including Read More

Mangroves of Mauritius

Sturdy mangrove trees growing along jewel bleu river banks.

What is a mangrove? Duke, 1992, defined a mangrove as a “tree, shrub, palm or ground fern, generally exceeding more than half a meter in height, and which normally grows above mean sea level in the intertidal zones of marine coastal environments or estuarine Read More