Map of Mangrove Forests

This map shows mangrove forests around the world. It also shows the different biomes on land. To see their names and types, hover over the map. Zoom in the map to take a closer look! For more information scroll down.


Mangroves are a group of salt-tolerant plants that grow along tropical and subtropical coastlines. Their adaptations allow them to survive in saltier soils than other vascular plants cannot tolerate.

The term mangrove encompasses different habitats and plant species. Because of the ample meaning of the word, here are some clarifications.

True Mangroves

True Mangroves share adaptations that help them survive in soils saturated with water and salt. True mangroves may belong to very different plant species. It is estimated that 55 species of plants are true mangroves. NIH

Mangrove Associates are plants that can survive in salty soils but don't have the adaptations of true mangroves. These plants live close to true mangroves but usually further inland.

Mangrove Species

The folloing table includes the family and name of true mangrove plant species. Source: NCBI

FamilyGenusSpeciesCommon Name
AcanthaceaeAcanthusAcanthus ilicifolius
PteridaceaeAcrostichumAcrostichum aureum
PlumbaginaceaeAegialitis Aegialitis annulata
Aegialitis rotundifolia
PrimulaceaeAegicerasAegiceras corniculatum
AvicenniaceaeAvicenniaAvicennia alba
Avicennia bicolor
Avicennia eucalyptifolia
Avicennia germinansblack mangrove
Avicennia integra
Avicennia lanata
Avicennia marinagrey mangrove
Avicennia officinalisIndian mangrove
Avicennia rumphiana
Avicennia schaueriana
RhizophoraceaeBruguieraBruguiera cylindrica
Bruguiera exaristatarib-fruited mangrove
Bruguiera gymnorhizaoriental mangrove
Bruguiera hainesii
Bruguiera parviflora
Bruguiera rhynchopetala
Bruguiera sexangulaupriver orange mangrove
CeriopsCeriops australisyellow mangrove
Ceriops decandra
Ceriops tagalspurred mangrove
KandeliaKandelia candel
Kandelia obovata
RhizophoraRhizophora apiculata
Rhizophora harrisonii
Rhizophora lamarckii
Rhizophora manglered mangrove
Rhizophora mucronataAsiatic mangrove
Rhizophora racemosa
Rhizophora samoensisSamoan mangrove
Rhizophora stylosaspotted mangrove
LythraceaeSonneratiaSonneratia alba
Sonneratia apetala
Sonneratia caseolaris
Sonneratia griffithii
Sonneratia gulngai
Sonneratia hainanensis
Sonneratia lanceolata
Sonneratia ovata
MeliaceaeXylocarpusXylocarpus granatum
Xylocarpus mekongensis
Xylocarpus moluccensis
MalvaceaeCamptostemonCamptostemon schultzii
EuphorbiaceaeExcoecariaExcoecaria agallocha
CombretaceaeLagunculariaLaguncularia racemosawhite mangrove
LumnitzeraLumnitzera littorea
Lumnitzera racemosa white-flowered black mangrove
AracaceaeNypa Nypa fruticans Mangrove palm
MyrtaceaeOsborniaOsbornia octodonta
TetrameristaceaePellicieraPelliciera rhizophorae
RubiaceaeScyphiphoraScyphiphora hydrophylacea

Mangrove Geographic Range

Mangroves grow around the globe in tropical and subtropical areas. Between the latitudes of 25 degrees north and 25 degreees south. Nevertheless, these latitudes depend on which area of the world they grow.

Mangrove Forest in Puerto Rico

For example, Avicennia germinans common in Africa and the American continent, grows as far north as 32 degrees north in the Atlantic, while Avicennia marina grows also in Africa, all the way to Australia, and can survive all the way to 38 degrees south.

Temperature is a limiting factor to Mangrove distribution. These plants avoid cooler temperatures. Freezing temperatures will kill them. Smithsonian.

The area covered by Mangroves worldwide totals 57,915 miles 2 (150,000 km2), of which Southeast Asia covers the highest percentage at 33.5%, followed by South America covering 15.7%, North and Central America at 14.7%, and West and Central Africa 13.2%". Source: Mangrove Resources.

Mangroves are present in 123 countries around the world. Only 12 countries have two-thirds of all mangrove forests. Indonesia has 20% of the world mangroves. Source: Mangrove Classification

One of the most fascinating facts about mangroves is that as you move from west in the American Continent, to east in Australasia, the species richness of Mangroves increases steadily. The highest number of species is found close to New Guinea. This is believed to be the area where Mangroves originated and diversified. Global Ecology

Consequences of climate change like warmer temperatures and sea-level rise are expanding Mangroves' current geographic range into wetlands and salt marshes. These changes have expanded their distribution to Hawaii and Tahiti where they are not native and are considered invasive species.

Mangrove Environment

Mangroves are associations of salt-tolerant plants that grow in intertidal regions. They grow where seawater mixes with fresh water and sediment is accumulated in mud deposits. FAO

Mangrove air roots or pneumatophores

Mangrove wetlands are classified as:

  • River Dominated
  • Tide Dominated
  • Wave Dominated
  • Composite River and Wave Dominated
  • Drowned Bedrock Valley Mangroves
  • Mangroves in Carbonate Settings

The first five types are common in areas with land sediments. The last one is common in oceanic islands, coral reefs, and carbonate banks. These Carbonate Settings are common in the Maldives.

Mangrove Ecosystem

Mangrove Forests are some of the most productive and biologically diverse ecosystems on Earth.

Mangrove forests support a diverse food web that includes organisms that feed directly from its trees, like crabs and insects. Decomposing material nourishes fungi and bacteria.

Other organisms live on the structure created by Mangrove branches and tangled roots. This is especially true for fish that use mangroves as nurseries.

Some organisms that live in Mangrove forests include:

Flamingos next to Mangroves Aviario Nacional de Colombia
  • Mammals: Tigers, sloths, raccoons, panthers, otters, bobcats, long-nosed monkeys, Cuscus, Dugong, lemurs, fishing cats, and more.
  • Birds: Hoatzin, Roseate Spoonbill, Boat Billed Heron, pelicans, Mallard, Peregrine falcon, Barn Owl, Great egret, Flamingos, Limpkin, Blue Heron, and White Ibis.
  • Reptiles: Anoles, Mangrove Water Snake, Eastern Indigo Snake, Alligators, Crocodiles, and more.
  • Amphibians: different frog species.
  • Fish: Mudskippers, Mangrove snapper, Jacks, Grunts, Rainbow parrotfish, goliath grouper.
  • Invertebrates: Horseshoe crab, shrimp, crabs, and shellfish.

Mangrove Adaptations

Mangroves grow in intertidal locations with tides, strong waves, strong winds, plus soils that are anaerobic (no oxygen), acid, and high in salinity.

These special circumstances resulted in Mangrove trees' exceptional adaptations to cope with a harsh environment. All these adaptations converged in Mangroves, despite the diverse origin of these plants. Marine Diaries

Mangrove Roots

Plants release oxygen as part of photosynthesis, but they also respirate or release carbon dioxide. This is especially true at night and in growing tips of branches and roots.

Respiration is possible on leaves, but not on roots in muddy soils from intertidal tropical areas, which is usually anaerobic. This lack of oxygen would hinder respiration and root growth in regular plants.

Mangrove air roots or pneumatophores underwater with fish

To overcome the lack of oxygen, mangroves have developed "aerial roots". These aerial roots are also called pneumatophores. These roots grow above the ground, and even over the water to absorb oxygen.

Aerial roots also help mangroves hold tight to the ground and resist the action of waves, storms, and hurricanes. This tight grip is also encouraged by the trees tangling their roots with other trees. This is especially true for the Rhizophora member trees.

In some species, the roots come out of the stems and branches, away from the main stem. This way, the tree grows and the roots stay in contact with the air.

Members of the Rhizophora group also use their roots to absorb water, but block the absorption of salt, avoiding its high concentrations.

Mangrove leaf with salt crystal

Mangrove Leaves

Mangrove trees do not just grow in areas with seawater salinity of 35ppt, but due to evaporation, they may grow in areas with salinity 3 to 5 times higher than seawater.

Species like Avicennia germinans and Laguncularia racemosa excrete salt from their leaves. This way they still absorb high salinity concentrated water but can keep just the water they need. It is possible to see the salt crystals on their leaves (See photo).

Salt excretion results in thick leaves that eventually fall off the tree. This adaptation is also effective to filter pollutants from the water! Sci Dev Net.

Mangrove Seeds

Mangrove seeds or propagules

Mangroves are viviparous, or close enough. This is because mangrove seeds grow on the mother tree while still attached to its branches. These seeds eventually fall off as propagules that will drift in the water until they find a place to take root.

Why are Mangroves Important?

Mangroves are a link between terrestrial and aquatic ecosystems.

They protect coastlines from erosion and natural events like hurricanes, and waves.

They provide timber, tannins, honey, and medicine.

Mangroves act as carbon sinks as they incorporate Dissolved and Particulate Organic Carbon.

Mangroves absorb chemicals and heavy metals, therefore they help restore aquatic ecosystems.

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Resources for Mangrove Forest Map

The shapefiles to create the map with ecoregions of the world were obtained from WWF. The shapefiles with the countries of the world were obtained from Natural Earth.

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Made by Luz K. Molina with D3.js.

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