**Located in the heart of the Millevaches Regional Nature Park in Corrèze, the [Peyrelevade](https://www.reforestaction.com/en/projects/2720) project aims to reconstitute a diversified forest while respecting the natural growth and renewal processes of forests. Reforest'Action chose the [Assisted Natural Regeneration (ANR)](https://www.reforestaction.com/en/magazine/anr-expertise-thibaud-poulain) method to enhance 14,700 trees within this natural conservation site, which is part of the Natura 2000 protected areas network. Sasha Pinot, project manager for France at Reforest'Action, provides insight into why this method was chosen, its advantages, and the expected benefits of implementing the project within the framework of climate change adaptation.**

![Banniere-itw-Sasha.jpg](/uploads/Banniere_itw_Sasha_099983b1d2.jpg)

### What does the Peyrelevade project, in the Limousin region, involve?

_Sasha Pinot :_ This natural regeneration project aims to revive a diverse forest ecosystem while meticulously honoring the natural processes of growth and renewal. Today, 14,700 trees of diverse species including Douglas fir, larch, spruce, fir, and oak are being nurtured through meticulous care and effort. Ultimately, this forest in the making will contribute to local economic development, supporting the timber industry. Restoring this degraded ecosystem will help preserve the forest atmosphere and its picturesque landscape. Home to a rich biodiversity, this forest will also contribute to carbon storage and play a role in combating climate change. Located in the heart of the Millevaches Regional Nature Park in Corrèze, Limousin, this natural site holds a special place within the Natura 2000 network, a European initiative dedicated to conserving habitats and species of importance.
 
### What history does this forest have?

_Sasha Pinot :_ Both plots have been planted with Douglas fir, spruce, and Scots pine for the past 35 years. They intended to undergo clear-cutting in the years to come, to harvest the wood produced, and then to be replanted following the same intensive pattern. Clear-cutting involves abruptly opening up an area, resulting in the long-term destruction of many natural habitats essential to certain species. In most cases, it also involves the use of heavy machinery, which destroys soil life by compacting and plowing large areas. 

![Peyrelevade-1.jpg](/uploads/Peyrelevade_1_d8761206cf.jpg)
 
### How is the implementation of an ANR project necessary to restore it?

_Sasha Pinot :_ One of the primary objectives of this project is to halt the forest degradation caused by strict and simplified forest management practices. By embracing a gentler approach, such as Assisted Natural Regeneration, landowners choose not to disrupt the forest's delicate balance. To achieve this, they observe natural processes and only intervene when necessary, in specific areas. Movement within the plots is restricted to designated paths to prevent unnecessary soil compaction. This method not only allows natural cycles to unfold but also enables the silviculturist to reduce their workload, as much of the forest's maintenance is carried out naturally.  
 
### How were the species chosen for the project?

_Sasha Pinot :_ The project promotes a variety of tree species, such as Douglas fir, larch, spruce, fir, and oak, each serving multiple functions. These species are selected from both hardwood and softwood groups and are chosen for their excellent adaptation to the site conditions. Intending to achieve 80% natural regeneration, the project also fosters the growth of other species already present in the soil through their existing seeds.
 
### What's the difference between the ANR method and conventional silviculture?

_Sasha Pinot :_ Today, French forests confront numerous threats, notably those stemming from climate change. In response to these challenges and as a departure from conventional silviculture practices, the proprietors of the Peyrelevade plots have opted to transition towards Assisted Natural Regeneration.

The main distinction between intensive forestry and Assisted Natural Regeneration (ANR) resides in ecological succession. In a natural forest, the process begins with the germination of a select few trees. As the canopy matures and closes, conditions of shade and humidity become conducive to the development of more delicate forest species in the understorey. This understorey strengthens the ecosystem's structure, facilitating the establishment of plants over the long term until they reach maturity. Occasional disturbances, such as storms or natural die-offs, then stimulate the vitality of the ecosystem. A natural forest represents a mosaic of these stages, amalgamating diverse functional groups that mutually support one another.

In contrast, within intensively managed forests, vulnerable trees are typically planted on bare ground, thereby exposing them to various risks such as drought, flooding, and wildlife damage. Often comprised of only one or two species, these forests exhibit a simplistic environmental structure characterized by a singular stratum. Upon reaching maturity, all trees are harvested, necessitating a complete restart of the cycle. Such artificial forests lack resilience to disturbances and significantly curtail the environment's capacity for natural evolution.
However, it is imperative to enhance the resilience of our forests to ensure the continuity of their ecosystem services. Through the decision to honor the natural cycle of their forest and embrace ANR management, the proprietors of this project significantly enhanced their forest's capacity to withstand diverse threats.
 
### How will the forest, restored through Assisted Natural Regeneration (RNA), be more resilient in the face of climate change?

_Sasha Pinot :_ This will be the case on five levels:
- The enhancement of ecosystem stability is notable. Without the disruptive effects of clear-cutting, natural forests maintain a consistent vegetation cover, yielding numerous benefits. Minimal fluctuations in humidity and temperature prevail, as the soil remains shielded from direct sunlight and air currents. The intricate structure of the ecosystem endures, serving as a habitat for a myriad of species, each fulfilling its unique role. The absence of habitat destruction fosters the proliferation of diverse life forms. 
- Trees derive added benefits from supplementary resources. Depending on the species, roots extract water from various depths. The diversity of these root systems enables the exploration of a broad spectrum of water sources, crucial during periods of escalating drought. Moreover, this subterranean complexity contributes to soil structuring, mitigating erosion.  
- The diversity of tree species aids in regulating pests and diseases, which are primary contributors to forest degradation. Predominantly, these issues arise in stands with limited species diversity, as they lack natural predators. In a diversified forest, all species—including animals, plants, fungi, and microorganisms—compete, thus restoring equilibrium between predators and prey.
- Game damage will be minimized. Trees grown from natural seedlings are considerably less appealing to wildlife than those raised in nurseries.  
- In the long term, the forest will yield greater profitability. A diverse array of tree species ensures a harvest, even in the event of disease affecting one species. Additionally, the fertility of the environment is sustained through a dynamic cycle of organic matter, with minimal impact on the soil.

### Why talk about sustainable forest management when it comes to ANR?

_Sasha Pinot :_ By choosing Assisted Natural Regeneration, landowners cultivate high-quality wood while preserving a diverse and thriving biodiversity within the ecosystem. 

Living, productive forests naturally form across the globe, independently of human intervention. Nature provides the necessary seedlings and optimal conditions for their growth, while the diverse flora and fauna maintain a delicate balance against diseases and pests. In the natural cycle, when a tree reaches the end of its life, it falls, creating space for new growth. Young trees from natural regeneration take advantage of these openings, thriving until the canopy is restored. The Assisted Natural Regeneration (RNA) method respects these intrinsic natural principles while favoring the growth of the most beneficial trees.

The species present in the Peyrelevade stand have organically developed. A significant portion of them is local, with genetics finely attuned to the specific conditions of the region. Over time, the stand undergoes natural evolution, favoring only the most competitive and adaptive species.

Numerous instances in the region showcase owners aligning their management practices with natural processes. Situated at the heart of the Millevaches Regional Nature Park, the Peyrelevade project actively contributes to this network, gradually restoring the French forest to its historical state. Its PEFC certification serves as additional confirmation of its commitment to sustainable management, reflecting a comprehensive understanding of the forest's multifunctional role. The PEFC label assures the stringent adherence to precise regulations by all forest stakeholders, including owners, operators, and forestry contractors.

To obtain the PEFC label, various commitments must be upheld, including promoting a diverse array of tree species, abstaining from fertilizer use, safeguarding soil integrity, preserving local fauna and flora, and maintaining dead trees, essential for biodiversity promotion.
 
### How does RNA contribute to sustainable wood production? 

_Sasha Pinot :_ The overarching goal of the Peyrelevade project is to establish a diversified, multifunctional, and resilient forest, while simultaneously benefiting the local economy. 

Unlike conventional silviculture, timber is not harvested from a large area in a single block. The forest's intricate structure calls for more regular, localized harvesting. For instance, rather than harvesting an entire parcel every 80 years, the silviculturist opts to selectively remove only the finest trees every 5 years. Despite the differing approaches, the financial returns remain nearly identical. However, under Assisted Natural Regeneration (ANR) management, the silviculturist benefits from more consistent income.

Implementing this method requires the expertise of skilled tradespeople, and sizable trees must be transported to specialized, smaller sawmills tailored for such operations. These ANR conversion initiatives not only create employment opportunities but also inspire younger generations to acquire and revive traditional knowledge. 

Moreover, Corrèze, being a heavily forested region with ample rainfall and a temperate climate, provides an ideal environment for forest development. Given these favorable conditions, the wood yielded by the Peyrelevade project will be of exceptional quality, thereby benefiting the entire local industry, including forest managers, loggers, and sawmill operators. 
 
### Une gestion forestière en RNA permet-elle de séquestrer autant de carbone qu’une gestion classique ?

_Sasha Pinot :_ The Peyrelevade project stands out notably for its carbon sequestration capabilities. Similar to conventional plantations, the trees continuously sequester carbon throughout their lifespan. This carbon is responsibly stored when the wood is utilized in construction or furniture. Additionally, the ANR method offers an added advantage over traditional silvicultural practices: the preservation of soil carbon. Unlike forests that export their entire production, this type of forest allows for the unimpeded growth of undergrowth and retention of deadwood. As this organic matter decomposes, the carbon it contains remains within the soil, preventing its release into the atmosphere, a common occurrence after clear-cutting and plowing.

It should be noted, however, that while carbon storage is a good indicator for studying climate change, it cannot be used to judge the quality of a forest. For instance, an intensive Douglas-fir monoculture will sequester more carbon on the same surface area than a diversified forest. Yet it is not sustainable, and its ecological value and resilience are much lower.
 
![Peyrelevade-2.jpg](/uploads/Peyrelevade_2_100b04280f.jpg)
 

**As Assisted Natural Regeneration harnesses existing resources to preserve and fortify forest heritage, fostering long-term diversity and resilience, it emerges as particularly pertinent in the face of climate change. However, for ANR initiatives to materialize, funding is essential, notably from companies eager to contribute to forest restoration. Swiss Life Asset Managers exemplifies this commitment by supporting the Peyrelevade project showcased in this article. Across France, Reforest'Action is spearheading ecosystem regeneration endeavors rooted in the Assisted Natural Regeneration method, thanks to funding from dedicated corporate partners.**


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"Assisted Natural Regeneration allows forests to be more resilient in the face of climate change": an interview with Sasha Pinot

**Our impact management process has been digitized and we have developed an MRV (Measurement, Reporting & Verification) platform. The aim is to offer investors a tool that provides centralized, selected information on nature-based projects, their monitoring and relative impacts over time. This tool will enable investors to demonstrate the value generated by these nature-based solutions, using key performance indicators and reliable, traceable and verifiable data.**

![MRV_maquette.jpg](https://backoffice.reforestaction.com/uploads/MRV_maquette_83b721a179.jpg)

## A data collection, analysis and reporting tool 

The MRV platform developed by Reforest'Action aims to collect, analyze and report reliable and verifiable data on the implementation, monitoring and impact measurement of our Nature-based Solutions. It enables us to combine all our impact management tools and report the results of project monitoring in the field and by remote sensing, in complete transparency.

The platform also provides impact projections, i.e. modeling and assessment of impacts prior to implementation, enabling us to gain information on projects, adjust their design, implement adaptive management measures and assess their level of performance over the long term.

Our MRV platform relies both on the collection of data from the field (type of species planted, nature of activities carried out in the field, impact on local communities, etc.) and from satellite imagery (forest cover density, actual carbon sequestration by above-ground biomass, number of trees in place, stand health, etc.).

It offers a solution that meets both the needs of project development and the transparency requirements of the companies that finance them:
- In the back office, Project Data Management enables our teams to manage projects, from identification to field monitoring, by centralizing all project-related data (design, audit reports, satellite measurements, etc.).
- In the front office, the dashboard can be used to display project-related key performance indicators (KPIs) for companies committed to monitoring the impact of the solutions they finance.

![Schema-plateforme MRV.png](https://backoffice.reforestaction.com/uploads/Schema_plateforme_MRV_afc2dffaee.png)

## A tool that meets the growing need for transparency and reporting 

Ultimately, Reforest'Action's MRV platform is intended to link all project stakeholders to improve transparency and add value, including in the field. In its first version, available at the end of 2024, it is dedicated to project financiers and provides key performance indicators and impact data, facilitating the monitoring of investments and reporting required by certification frameworks such as the CSRD.

It meets the market's need for transparent, robust and reliable data, addressing the following needs:
- ensuring companies comply with regulatory frameworks (CSRD, Net Zero, etc.)
- supporting companies' reputations and their need to demonstrate the impacts of the NbS they finance
- providing a clear return on investment (ROI) for financed solutions

**Our impact monitoring approach, supported by our digital data reporting tool, enables us not only to work for the health of restored ecosystems, but also to make Nature-based Solutions a reliable impact investment solution.**


_Are you a company looking to invest in Nature-based Solutions and benefit from a tool that enables you to demonstrate the value generated by these projects? [Contact one of our experts to discuss your needs.](https://www.reforestaction.com/en/contact)_


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Measuring the impact of NbS projects: launch of our MRV platform

**Defined by the IUCN in 2009, the concept of Nature-based Solutions (NBS) is founded on the idea that natural processes, and not just technological ones, can make a significant contribution to tackling major contemporary challenges such as climate change and biodiversity erosion. Nature provides vital services to all living things, and in particular to humankind. It is therefore essential to preserve, restore and manage it sustainably to ensure our future.**

![Nature-Based-Solutions-forest.jpg](https://backoffice.reforestaction.com/uploads/Nature_Based_Solutions_forest_f54ea0ac1f.jpg)

## What are Nature-based Solutions?

Nature-based Solutions are defined by IUCN (International Union for Conservation of Nature) as “actions to protect, sustainably manage and restore natural or modified ecosystems to directly address societal challenges in an effective and adaptive manner, while ensuring human well-being and producing benefits for biodiversity.”

This concept was formulated by IUCN at the Copenhagen Conference in 2009, when forests were proposed as a solution for mitigating climate change. It was at COP21 in 2015 that the place of Nature-based Solutions in climate action was recognized by States, notably via the Paris Agreement.

These are actions that aim to protect, restore and sustainably manage natural ecosystems - be they forests, rivers, wetlands or even bocage meadows - in a logic of mutual benefit, since these ecosystems generate benefits for humanity. Nature-based Solutions also bring benefits for [biodiversity](https://www.reforestaction.com/en/magazine/what-biodiversity-definition-and-issues), by integrating this objective into the very design and implementation of these actions.

![EN_NbS.jpg](https://backoffice.reforestaction.com/uploads/EN_Nb_S_775d13cbc8.jpg)

## How are ecosystems and human societies interconnected?

### A multitude of services to humanity

Ecosystems are multifunctional by nature. The variety of ecosystem functions they produce are not man-made, but the result of slow, patient work shaped by Nature over millions of years. Today, [natural ecosystems](https://www.reforestaction.com/en/magazine/reconnecting-living-sustainable-humanity) make vital contributions to people's lives, such as the production of food, energy and raw materials, as well as a multitude of ecosystem services. For example, forests store carbon, regulate the water cycle, limit local heat peaks, reduce the risk of soil runoff and landslides, and meet vital human needs such as the production of timber and energy, food and medicinal products, and places of well-being and recreation.

### Nature's services to human societies are not unlimited

The worldwide overexploitation of ecosystems leads to their degradation, and thus to their inability to provide resources in the long term. The Global Footprint Network's annual Earth Overshoot Day is a direct illustration of this idea. This date, which marks the day when humanity has consumed all the natural resources the Earth can produce in one year, is obtained by comparing mankind's ecological footprint (which measures the exploitation of the Earth's natural resources) with the planet's biocapacity (its capacity to replenish its reserves and absorb greenhouse gases). Still in surplus in 1961, with a quarter of its reserves unused, the Earth became in deficit in the early 1970s. This day was changed from October 10 in 1999 to August 1 in 2024.

In most regions of the world today, Nature has been significantly altered by multiple human factors, and the vast majority of indicators relating to ecosystems and biodiversity show a rapid decline. For example, the IPBES estimates that today :

- 75% of natural terrestrial environments are degraded;
- 66% of oceans have been altered;
- 85% of wetlands have disappeared;
- 5% of the world's animal and plant species are threatened.

Forests, which are home to 80% of the Earth's biodiversity and support 25% of the world's population, are in constant decline. On a global scale, forest area today represents around 68% of its estimated pre-industrial level. According to the FAO, 240 million hectares of forest were lost to deforestation in tropical zones between 1990 and 2015. In temperate zones, the effects of climate change are affecting forest health: 42% of tree species are now threatened with extinction in Europe, according to the IUCN. Forest animal biodiversity has fallen by [53%](https://www.dw.com/en/worlds-forest-animal-population-sinks-drastically-wwf-report/a-50015580) since 1970.

### Ecosystem degradation also weakens populations

Ecosystems, biodiversity and climate are interdependent. Ecosystems and their biodiversity influence climate, helping to regulate temperature and precipitation. They are essential players in the carbon, water and nitrogen cycles. They help absorb some of the heat and greenhouse gases emitted by human activities. These feedbacks between climate and biodiversity are at the origin of the dynamic balance of the environment in which human societies have developed, and which is today affected by both climate and ecosystem changes. Alterations to ecosystems and the climate-biodiversity pair make human beings more vulnerable, with the loss of food sources, the deterioration of water quality, the [development of new diseases](https://www.reforestaction.com/en/magazine/destruction-ecosystems-favours-rise-new-diseases-and-pandemics) and the exposure of societies to extreme climatic events (droughts, storms, etc.).

Strategies and actions to combat climate change must therefore not only drastically reduce greenhouse gas emissions, but also invest in protecting ecosystems. [Healthy ecosystems](https://www.reforestaction.com/en/magazine/ecosystem-restoration-essential-climate-and-biodiversity) not only help mitigate climate change, but also enable human societies to adapt to its consequences.

![Wooded hills with women's tree-planting communities](https://backoffice.reforestaction.com/uploads/Nature_based_solutions_communities_c9eebab421.jpg)

## Nature-based solutions for today's societal challenges

### Preserving nature is essential to ensure the future of human societies and businesses

According to the IUCN, the use of NbS would enable us to achieve current societal objectives such as :

- Reducing natural hazards
- Socio-economic development
- Food security
- Water and energy supply
- Health and well-being for all
- Adapting territories to climate change
- Mitigating the effects of climate change on populations (rising sea levels, fires, heatwaves...)

According to the IPBES, these natural solutions will account for 37% of the climate change mitigation measures needed by 2030 to achieve the goal of global warming below 2°C by 2100. But implementing NbS on the scale required to meet these societal challenges requires the involvement of all stakeholders, including private sector companies.

### Forests: a key component of Nature-based Solutions

NbS value the services provided by ecosystems that have been preserved, restored or sustainably managed, and are based on various underlying concepts listed by the IUCN. Among these Nature-based Solutions is the restoration of forest landscapes. This process aims to mobilize and involve local communities in restoring the multifunctionality of forests, in order to sustainably meet human needs. This type of project can be implemented through a variety of actions involving the preservation, restoration and sustainable management of forests. All these actions enhance forest biodiversity, and increase carbon capture, which helps mitigate the risks of climate change:
- Preservation of existing forests in good ecological condition
- Restoration of degraded forests or creation of forest ecosystems
- Adoption of sustainable forest management practices
- Creation of protected areas (national or regional parks, nature reserves, etc.) to protect associated territories and preserve ecosystem services
- Reforestation and ecological restoration of degraded forest habitats using adapted and diverse species, giving priority to indigenous species;
- Creation of hedgerows and [agroforestry systems](https://www.reforestaction.com/en/magazine/agroforestry) to regulate climate and the water cycle, conserve soil and create biological corridors for flora and fauna;
- Exclusion of unsustainable practices such as monospecific plantations, clear-cutting that weakens soils and overexploitation of stands;
- Development of [Assisted Natural Regeneration](https://www.reforestaction.com/en/magazine/assisted-natural-regeneration-complementary-solution-tree-planting-restore-degraded-forests);
- Creation of islands of senescence, made up of ageing trees which, as they decompose, promote the fertility of forest soils, the main reservoir of biodiversity in the forest;
- Promoting wood products from sustainably managed forests.

![Nature-based-solutions-overview.jpg](https://backoffice.reforestaction.com/uploads/Nature_based_solutions_overview_9e487805c8.jpg)

## Developing Nature-based Solutions with Reforest'Action

Reforest'Action offers Nature-based Solutions that enable companies to:
- Contribute to [global carbon neutrality](https://www.reforestaction.com/en/carbon-neutrality-solutions)
- Develop [regenerative agriculture](https://www.reforestaction.com/en/regenerative-agriculture) within their value chains 
- Support the [restoration of forest ecosystems](https://www.reforestaction.com/en/ecosystems-restoration) 

Our mission: to regenerate terrestrial ecosystems on a large scale to meet global environmental challenges and support corporate climate and transformation strategies, drawing on our field experience, local communities, research and technology. 

Today, our 1,650 forest and agroforestry projects in 45 countries are creating multiple impacts, based on the stability of ecosystems over time, to combat climate change, protect biodiversity and support local communities. Each project financed by Reforest'Action is thus at the heart of global climate action and Nature-based Solutions. 

At the heart of our approach, monitoring the impact of our projects via our [Research & Development team](https://www.reforestaction.com/en/the-impact) also enables us to optimize their results and deliver reliable and transparent data to investors, by means of key performance indicators, regarding the value generated by our Nature-based Solutions.


**Drawing on the role of healthy ecosystems for human life and the well-being of all, Nature-based Solutions address both climate and biodiversity issues. It is crucial to encourage their development at all scales to meet the Sustainable Development Goals formulated by the UN, and to direct more funds towards restoration in order to act more rapidly and effectively in favor of the climate and biodiversity at the service of all Living Things. If you're interested in Nature-based Solutions, and forestry in particular, please [contact us](https://www.reforestaction.com/en/contact).**



Defined by the IUCN in 2009, the concept of Nature-based Solutions (NBS) is founded on the idea that natural processes, and not just technological ones, can make a significant contribution to tackling major contemporary challenges such as climate change and biodiversity erosion. Nature provides vital services to all living things, and in particular to humankind. It is therefore essential to preserve, restore and manage it sustainably to ensure our future.

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What are Nature-based Solutions?

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Arbousier

Pin parasol

Chêne liège

Caroubier

Pin maritime

Ce projet prend racine en Algarve dans le sud du Portugal où de sévères incendie ont fait rage ces dernières années et qui ont dévasté des centaines de milliers d'hectares. Ici c’est l’épisode de 2018 qui a dévasté les terres où le projet prends place. Il y a toujours eu des feux dans les régions mais ils prennent une ampleurs inédite ces dernières années, accentués par les sècheresses et les canicules récurrente. De plus les pratiques sylvicoles et agricoles intensives participent aussi à la dégradation des milieux et des sols. La tâche est immense afin de reconstituer ces écosystèmes détruits. Mais grâce à la prise de conscience de certaines parties prenantes locales avec qui nous travaillons, propriétaires, gestionnaires et administrations territoriales ont lancé des campagnes massives de reforestation avec une attention toute particulière accordée aux risques incendies.

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Contributes to the mitigation of the greenhouse effect and influences precipitation patterns and the local microclimate.

Influences the quality and integrity of the soil-water system, and the cycling of water and nutrients.

Preservation of local biodiversity by providing suitable habitats and resources.

Supports human well-being, by providing resources, income, education, and supporting recreation and heritage.

This ambitious project to restore forest areas devastated by fire has its roots in Algarve. The fire that raged there in 2018 is part of a long series of fires in the region. The impact of these fires was amplified by a lack of resources and unsuitable silvicultural practices. With hundreds of thousands of hectares of forest affected, the task is immense. International solidarity funds have made it possible to collect and distribute money in the field. A real awareness seems to be developing among local players, who are adapting their forest management to the risk of wildfire. This large-scale project involves the planting of 60,115 trees over 70 hectares this year, to restore the stands damaged by the fires. Species such as cork oak, pin oak, white willow, arbutus and eucalyptus are being planted at a density of 1,250 trees/hectare, with the aim of diversifying regional tree species.

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Châtaignier

Chêne tauzin

Hêtre commun

Ce projet de reconstitution de massifs forestiers dévastés par l'incendie prend racine en Algarve. L'incendie qui y a fait rage en 2018 fait partie d'une longue série de feux. L'impact de ces incendies a été amplifié par le manque de moyens et des pratiques sylvicoles non adaptées. Avec des centaines de milliers d'hectares de forêts sinistrées, la tâche est immense. Une prise de conscience anime les autorités et les propriétaires forestiers afin d'adapter leur gestion forestière. Et pour cause : ceux-ci seront dans les années à venir de plus en plus important du fait du réchauffement climatique. Ce projet repose sur la plantation de 387 399 arbres sur 270 hectares en 3 ans afin de restaurer le peuplement dégradé. Un objectif de diversification des essences traditionnelles régionales, en plantant à une densité de 1250 arbres par hectares.

This project to restore forest areas devastated by fire has its roots in the Algarve. The fire that raged there in 2018 is part of a long series of fires. The impact of these fires was amplified by a lack of resources and unsuitable silvicultural practices. With hundreds of thousands of hectares of forest affected, the task ahead is immense. The authorities and forest owners are becoming increasingly aware of the need to adapt their forest management practices. And with good reason: in the years to come, these will be increasingly important due to global warming. The project involves planting 387,399 trees on 270 hectares over 3 years to restore the degraded stand. The aim is to diversify traditional regional tree species, planting at a density of 1,250 trees per hectare.

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Le projet vise à replanter les zones tout en s'appuyant sur la régénération naturelle présente notamment d'arbousiers et de chêne liège  afin de relancer la production traditionnelle de liège et d'arbouses. La démarche repose sur la diversification des essences, contribuant ainsi à une meilleure résilience de la forêt face aux aléas climatiques et aux espèces invasives. Restaurés, les peuplements pourront assurer tous leurs bénéfices environnementaux, économiques et paysagers. En l’occurrence, les arbres diminueront l’érosion des sols, favoriseront le développement de la biodiversité et valoriseront le paysage.

In Portugal, this project to restore Algarve ecosystems is set in landscapes severely affected by fires. The project aims to improve natural regeneration in order to increase cork and arbutus production. The approach is based on the diversification of tree species, contributing to the forest's resilience in the face of climatic hazards and invasive species. Restored, the stand will be able to provide all the forest's environmental, economic and tourism benefits. In this case, the trees will reduce soil erosion, promote the development of biodiversity and enhance the landscape. The project will enhance the economic value of the local forest through management adapted to forest renewal, and will help combat climate change through carbon storage.

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Chêne

Dans la région centre, au Portugal, ce projet de plantation va permettre de reconstituer des paysages sévèrement touchés par les incendies.
Le projet se déploie dans des paysages marqués par l’agriculture, avec la vigne, les oliviers, le blé, le maïs et même le riz dans la vallée du Tage. Aussi, de vastes espaces sont occupés par la production intensive d’eucalyptus, ne ménageant pas les sols ni la biodiversité et les paysages. La région est aussi connue pour la production de liège issu du chêne liège est plus bénéfique du point de vue environnemental. D’une part, parce que cette essence est native mais aussi car elle vit très longtemps, donnant aux forêts de chêne liège (suberaies) toute leur résilience sans compter sur leur liège qui les protège des incendies. D’autre part, les suberaies laissent également la place en sous-étage à l’agroforesterie. Enfin, les suberaies sont un habitat remarquable pour tout un cortège de faune et de flore qui lui est propre.

In Portugal, this ecosystem restoration project is integrated into landscapes severely affected by fires. The project targets the recovery of areas burnt and degraded by the pressure of human activities such as industry, intensive agriculture and industrial forestry. The project involves both reforestation and support for natural regeneration to encourage the appearance of other native species, such as cork oak, arbutus and other oaks. Forest regeneration will create a riverbank zone that will contribute to water management and the mitigation of extreme weather events predicted by the climate change scenario. Ultimately, the trees will store carbon, helping to combat climate change.

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Photo de l'évolution de la régénération en 2023

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Chêne sessile (rouvre)

Érable sycomore

La forêt de Boursault est un massif vieillissant ayant été victime de nombreux aléas l’ayant affaibli. On peut citer le dépérissement des chênes, ou encore la propagation de la chalarose parmi les frênes. Un champignon pathogène qui se propage par les feuilles, jusqu’à ce que l’arbre dépérisse. Malgré ces aléas, le massif montre des signes de régénération naturelle. L’opportunité de consolider le peuplement de manière plus douce pour l’écosystème forestier. Aujourd’hui, 95 600 arbres sont donc aidés par des travaux sylvicoles. Les dégagements protègeront les plants. Des regarnis viendront compléter ces travaux et le tout diversifiera le peuplement. Cela permettra le retour d’une biodiversité riche et varié. Par ailleurs, les arbres stockeront du carbone, participant ainsi à la lutte contre le changement climatique.

The Boursault forest is an ageing massif that has been the victim of numerous hazards that have weakened it. These include oak dieback, and the spread of chalarosis among ash trees (a pathogenic fungus that spreads through the leaves until the tree dies). Despite these hazards, the massif is showing signs of natural regeneration. This is an opportunity to consolidate the stand in a way that is gentler on the forest ecosystem. Today, 95,600 trees are being helped by silvicultural work. Clearing will protect the seedlings. Replanting will complete the work and diversify the stand. This will enable the return of a rich and varied biodiversity. The trees will also store carbon, helping to combat climate change.

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Les arbres qui seront plantés ici contribueront à prévenir l'érosion du sol par le vent et l'eau, et à augmenter le taux d'absorption des précipitations. Les forêts de chênes-lièges de la Méditerranée agissent comme une barrière contre le processus de désertification qui progresse. 
En outre, un chêne-liège récolté stocke jusqu'à cinq fois plus de carbone qu'un arbre non récolté, car l'arbre utilise du carbone supplémentaire dans la régénération de son écorce. Chaque année, les forêts de chêne-liège absorbent 10 millions de tonnes de CO2.
Le chêne-liège est également une espèce clé dans son rôle de pyrophyte passif. Grâce à son épaisse couche d'écorce, il agit comme un "pare-feu" et est capable de résister aux flammes et de se régénérer grâce à son haut niveau de résilience.

Bénéfices estimés des arbres plantés ou préservés

Actualités de Reforest'Action

"Assisted Natural Regeneration allows forests to be more resilient in the face of climate change": an interview with Sasha Pinot

Measuring the impact of NbS projects: launch of our MRV platform

What are Nature-based Solutions?