Service 02 · Vegetation analysis

Know where you stand.
Act where it is needed.

See where grass encroachment and saplings are increasing, track management effects and support your next decision.

Why we analyse

The whole site.
A comparable interim assessment.

Where are saplings increasing? How much of the site has become grass-dominated? And is management delivering the intended development? Our vegetation analysis maps these changes and expresses recognised vegetation categories as percentages.

This interim assessment helps you set priorities: where action is needed, where management can continue and what change you want to see at the next survey.

A good analysis does not just record what is there…
it reveals what needs attention.”
Vegetation analysis with yellow and red recognition layers over site imagery

How we analyse vegetation

From plant-level recognition
to targeted management decisions.

We recognise vegetation at plant level and turn the recognised categories into separate GIS layers. You can see where they occur and what percentage of the site they cover, such as grass, heather and young woody growth.

Coverage is 100% of the surveyed site. This analyses the vegetation categories we can recognise; small species and ecological interpretation remain the ecologist’s work.

What this gives you

From site information to your next decision.

01

Know where to intervene

Vegetation percentages and maps show where grass encroachment or saplings need attention, helping you deploy people and budget effectively.

02

Assess management over time

Compare surveys and track development after a management measure. The consistent method helps identify changes on the site.

03

Share one information base

Reports, GIS layers and the online viewer give land managers, ecologists and provincial authorities a shared basis for planning and supporting decisions.

From vegetation map to management goal

Vegetation recognition & SNL

What grows here? And how much?

We recognise vegetation at plant level and translate the recognised categories into maps, percentages and separate GIS layers. For example, you can see the proportion of grass-dominated areas and where young woody growth occurs.

The analysis covers the whole surveyed site and uses the same method each time. This lets you track change: how much woody growth returns, where grass encroachment increases and what changes after management.

From results to supporting evidence.

We compare results with the relevant vegetation and structure criteria for your SNL management type. This provides guidance for management choices, contractor assignments and supporting reports or subsidy applications.

SNL is the Dutch Subsidiestelsel Natuur en Landschap, a nature and landscape subsidy scheme. Our analysis supports assessment; small species, field checks and ecological interpretation remain the ecologist’s work. The requirements of the relevant scheme remain decisive.

More about SNL at BIJ12 ↗

Vegetation index · GNDVI

See where growth differs.

GNDVI stands for Green Normalized Difference Vegetation Index. It compares green and near-infrared light and is sensitive to differences in chlorophyll and green vegetation cover.

The map reveals differences within your site. This helps you check where vegetation is lagging and track how an area develops after management. Combined with recognition layers and field knowledge, it helps identify where more attention is needed.

An unusual value is an indication, not an established cause. Season, vegetation type and survey conditions matter. Red is the chosen display colour here; the legend and index values determine its meaning.

Move the divider to explore the difference.

Vegetation index · GNDVI
HeathClean imagery
HeathClean imageryVegetation index · GNDVI
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Leaf chlorophyll index · LCI
HeathClean imagery
HeathClean imageryLeaf chlorophyll index · LCI
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Leaf chlorophyll index · LCI

Chlorophyll in view.

LCI stands for Leaf Chlorophyll Index, which is sensitive to differences in chlorophyll. Chlorophyll plays a role in photosynthesis, the process plants use to turn light into growth.

The map helps identify unusual zones and track change, providing a reason for targeted field checks. The index is an indication, not a diagnosis of drought, deficiency or the cause of a difference.

Comparison requires comparable surveys and attention to season and vegetation type. Together with the ecologist, you translate the pattern into an appropriate management decision.

Move the divider to explore the difference.

Working with the ecologist

More overview.
More focused field work.

Our analysis supports ecologists and speeds up their work. Their expertise remains essential for recognising and reporting small species, field checks and ecological interpretation.

We offer a three-year survey cycle as a broad interim view of site development, helping you adjust towards your goals. More frequent surveys are possible.

Combining it with sapling removal? We use the new survey immediately for an updated vegetation analysis.

See the field work

From survey to insight.

See how our services support land managers.

Watch on YouTube · HD and full screen

Practical questions

Good to know.

What do I receive from vegetation analysis?

A report with percentages of recognised vegetation categories and separate GIS layers. The layers are available in our online viewer, allowing you to compare the situation and changes.

Does this replace the ecologist or a full SNL assessment?

No. Our site-wide analysis supports ecologists with maps and figures. Small species, field checks and ecological interpretation remain necessary. Results provide information for SNL; they are not a standalone, complete assessment of ecological quality.

Can I compare development over the years?

Yes. We use the same analysis method each time. With comparable surveys, you can track where growth returns, how grass encroachment changes and how vegetation develops after management. Season and survey conditions are included in the interpretation.

Can I combine analysis with sapling removal?

Yes. We survey the site again for delivery, making it a practical time for an updated vegetation analysis. We offer a three-year interim assessment; more frequent surveys are possible on request.

The next step

From insight
to open nature.

Does the analysis show where young conifer growth is increasing? Targeted removal keeps the landscape open. The current map helps decide where work is needed and what should be preserved.

More about sapling removal

Discover what is possible

Your site. Our approach.

Meet us at a presentation or see the solution during a live demonstration in the field.

Request a demo
RGB & multispectral