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The Miyawaki Method: How This Japanese Technique Could Save Mauritius' Vanishing Forests

Planter.mu Team
November 26, 2025
12 min read
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Discover how the revolutionary Miyawaki technique, developed by Japanese botanist Akira Miyawaki, is being used in Mauritius to restore native forests 10 times faster than traditional methods. With only 2% of our endemic forest remaining, this could be the solution our island desperately needs.

Mauritius native forest

400 Years Ago: 90% Forest

Today: Less Than 2%

The dodo is gone forever. Will our endemic forests follow?

2%
Native Forest Left
89%
Endemic Plants at Risk
3rd
Most Endangered Flora
40M+
Trees by Miyawaki

Before the Dutch arrived in 1598, Mauritius was a paradise of endemic forest – a unique ecosystem found nowhere else on Earth. Ebony trees towered overhead, pink pigeons flew through the canopy, and the forest floor teemed with life found on no other island.

Today, we've lost almost everything. The Europeans cleared land for timber and plantations. After independence, more forest fell for sugar cane. Now, urbanization devours what remains.

"Mauritius has been ranked by the IUCN as having the third most endangered flora in the world."

But here's the thing: there is hope. And it comes from an unexpected place – Japan.

The Man Who Planted 40 Million Trees

Professor Akira Miyawaki

Akira Miyawaki

1928 - 2021

Professor Emeritus, Yokohama National University
Blue Planet Prize Winner (2006)
40+ Million Trees Planted
Author: "Vegetation of Japan" (10 volumes)

Born in Okayama, Japan, young Akira Miyawaki seemed destined for an ordinary life as a botanist studying weeds at Hiroshima University. But a fateful invitation would change the course of environmental history.

In 1958, German botanist Reinhold Tüxen invited Miyawaki to study in Germany. There, he learned about Potential Natural Vegetation (PNV) – the revolutionary idea that every piece of land has a specific type of native forest it can naturally support.

Returning to Japan, Miyawaki made a remarkable discovery. While most Japanese forests had been destroyed or replaced with commercial plantations, ancient patches survived around temples and shrines – protected as sacred groves for centuries. These weren't managed forests. They were dense, diverse, and resilient – nature at its purest.

A Life Dedicated to Forests

1928
Born in Okayama, Japan
1958-1960
Studied in Germany with Reinhold Tüxen
Learned about Potential Natural Vegetation (PNV)
1972
First Miyawaki Forest Planted
Nippon Steel factory in Ōita Prefecture – birth of the method
1998
400,000 Trees Along the Great Wall of China
Mobilized 4,000 volunteers in a single planting event
2006
Awarded the Blue Planet Prize
The environmental equivalent of the Nobel Prize
July 16, 2021
Passed away at age 93
Legacy: 40+ million trees across 15+ countries

How the Miyawaki Method Works

The Science of 10x Faster Growth

Unlike traditional plantations with widely-spaced trees, Miyawaki forests mimic nature's design. Dense planting triggers competition for sunlight, causing trees to grow rapidly upward. Combined with proper soil preparation and native species selection, this creates a mature forest in 20-30 years instead of 200.

The 5-Step Process

1

Study the Native Ecosystem

Identify the Potential Natural Vegetation (PNV) of your area. In Mauritius, this means endemic species: ebony, bois de fer, bois d'olive, tambalacoque, vacoas, and hundreds of others unique to our island.

2

Prepare the Soil

Enrich the soil with organic matter, compost, and mulch. This step is crucial – degraded land needs rich soil to support rapid growth. The soil should be loose and well-draining.

3

Plant Dense and Diverse

Here's the magic: 3-5 seedlings per square meter – much closer than traditional planting. Mix different layers: canopy trees, sub-canopy trees, shrubs, and ground cover in a random, natural pattern.

4

Let Nature Compete

Dense planting triggers natural competition. Trees race upward toward sunlight, growing faster than they would in isolation. Weaker plants naturally thin out while the strongest thrive – just like in natural forests.

5

Hands Off After 3 Years

After about three years of basic weeding, the forest becomes completely self-sustaining. No irrigation. No fertilizers. No maintenance. Nature takes over and the ecosystem thrives on its own.

Miyawaki vs Traditional Planting

Miyawaki Method

Growth Speed 10x Faster
Density 30x Denser
Biodiversity 100x More Species
Time to Maturity 20-30 Years
Maintenance (After 3yr) Zero

Traditional Planting

Growth Speed Standard
Density Standard
Biodiversity Limited
Time to Maturity 100-200 Years
Maintenance Ongoing

Miyawaki in Mauritius

Mauritius landscape

Good News!

Mauritians have already embraced the Miyawaki technique. Several projects are underway across the island.

Tiny Forest of Mauritius

Founded by four passionate retirees including Jean-Marie Sauzier (former director of Exotica nursery), this group is bringing green lungs to urban areas.

Current Project:
450 endemic plants in Grand-Baie with volunteers from "Amis de la Salette"

Vikash Tatayah's Forest

Conservation Manager at MWF has been growing a Tiny Forest in his backyard for 9 years – a living laboratory proving the method works in Mauritius.

Started as:
Planting endemic species along a river bank

Poste La Fayette Project

Jean-Paul de Chazal is creating a Tiny Forest focused on species diversity while strictly avoiding exotic plants.

Goal:
Coastal erosion protection through native forests

A 100m² micro-forest can sequester as much carbon as a 1-hectare conventional forest. The concept is very well suited to Mauritius because of its size – you need only a minimum of 100 square meters to start.

Allain Raffa
Co-founder, Tiny Forest of Mauritius

Global Success Stories

The Miyawaki method isn't just theory – it's been proven in over 3,000 projects across every continent.

Japan (1,400+ sites) India Pakistan Belgium UK USA Lebanon Brazil China

India: Afforestt

Engineer Shubhendu Sharma left Toyota in 2011 after attending a Miyawaki workshop led by the professor himself.

450,000+
trees planted in 144 forests across 50 cities

Pakistan: World Record

In 2021, Pakistan inaugurated the world's largest urban Miyawaki forest at Saggian.

165,000
plants across 12.5 acres – world record!

SUGi: Six Continents

This organization has spread Miyawaki forests from Beirut's riverbanks to Cambridge schoolyards.

160
tiny forests in 28 cities across 6 continents

How You Can Help

Start in Your Own Backyard

You don't need hectares of land. Even 100 square meters (10m × 10m) – about the size of a small backyard – is enough to create a thriving Miyawaki forest.

What You Need to Start

100m² minimum

10m × 10m plot of land

Endemic seedlings

From local nurseries

Compost & mulch

For soil preparation

Volunteers

For planting day

3 years patience

For weeding period

Recommended Endemic Species for Mauritius

Bois d'ébène

Our national tree – the famous ebony

Bois de fer

Incredibly hard and durable

Tambalacoque

The famous "dodo tree"

Bois d'olive

Native olive species

Vacoas

Pandanus species

Bois de Natte

Endemic hardwood

Organizations Making a Difference

Mauritian Wildlife Foundation

Restoration at Ile aux Aigrettes, Black River Gorges National Park, and more

Ebony Forest

17 hectares restored, endemic birds released back to the wild

Tiny Forest of Mauritius

Urban reforestation bringing green lungs to our cities

Heritage Bel Ombre

9 hectares of native forest restoration in partnership with MWF

We don't have much time. We must plant native forests now.

— Professor Akira Miyawaki (1928-2021)

Imagine a Mauritius Where...

Every village has its own tiny forest
Endemic birds return to reclaimed habitats
Children know the names of native trees
Our coasts are protected by natural forests
We're gaining forest, not losing it

This isn't a fantasy. With the Miyawaki method, it's achievable in our lifetime.

Ready to Be Part of the Solution?

The best time to plant a forest was 400 years ago.
The second best time is now.

Together, we can bring back Mauritius' forests. One tiny forest at a time.

Sources & Further Reading

TAGS:

Miyawaki Reforestation Endemic Plants Conservation Climate Change Mauritius

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