Silva Perpetua — measure your woods, track them over time, and prove it.

Methods & regions

The right method for where the wood is.

The app works out the stand's country from its boundary and recommends the method designed for it. For stand structure that is each country's own tradition: BDq in Ireland and the UK, AFI in France, Belgium and Luxembourg, target diameter in Germany and Austria, the control method in Switzerland. You can still choose any other, with a caution. Every result names its method and version.

built in the app provisional built, flagged on every result until a threshold, band or list is confirmed none yet no method designed for this country

The method the app recommends in each country, worked out from the stand's boundary. Any method can still be chosen anywhere, with a caution. Numbers link to the source.
Country	Stand structure & marking	Biodiversity	Browsing / herbivore impact	Regeneration	Woodland establishment	Deadwood	Tree health	Windblow	Post-harvest check	Sampling layout
Ireland & the UK
Republic of Ireland	BDq / reverse-J provisional1	IBP, Irish CCF protocol provisionalAlso: IBP EUR.MED2	WHIA v5 provisionalAlso: browsing survey6	Species × height-class sub-plots provisional8	Establishment survey provisionalProfiles: forest types FT1–FT12, reforestation, CCF.9	Line-intersect + snags built10	Health & damage provisionalNotifiable agents: DAFM list.12	H:D stability provisional13	Damage, stumps, ruts provisional14	Layout generator built11
Northern Ireland	BDq / reverse-J provisional1	IBP, Irish CCF protocol with the NI list provisionalAlso: IBP EUR.MED3	WHIA v5 provisionalAlso: FC nearest-neighbour, browsing survey6	Species × height-class sub-plots provisional8	Establishment survey provisionalProfiles: no Northern Ireland profile yet; CCF or custom.9	Line-intersect + snags built10	Health & damage provisionalNotifiable agents: UK lists.12	H:D stability provisional13	Damage, stumps, ruts provisional14	Layout generator built11
England	BDq / reverse-J provisional1	IBP EUR.MED v3.2 provisionalNo British IBP exists.4	WHIA v5 provisionalAlso: FC nearest-neighbour, browsing survey6	FC Information Note 45 builtAlso: sub-plots8	Establishment survey provisionalProfiles: EWCO, restocking, CCF.9	Line-intersect + snags built10	Health & damage provisionalNotifiable agents: UK lists.12	H:D stability provisional13	Damage, stumps, ruts provisional14	Layout generator built11
Scotland	BDq / reverse-J provisional1	IBP EUR.MED v3.2 provisionalNo British IBP exists.4	WHIA v5 provisionalThe FC nearest-neighbour survey is accepted for LISS.Also: FC nearest-neighbour, browsing survey6	FC Information Note 45 builtAlso: sub-plots8	Establishment survey provisionalProfiles: the 9 FGS woodland creation options, CCF.9	Line-intersect + snags built10	Health & damage provisionalNotifiable agents: UK lists.12	H:D stability provisional13	Damage, stumps, ruts provisional14	Layout generator built11
Wales	BDq / reverse-J provisional1	IBP EUR.MED v3.2 provisionalNo British IBP exists.4	WHIA v5 provisionalAlso: FC nearest-neighbour, browsing survey6	FC Information Note 45 builtAlso: sub-plots8	Establishment survey provisionalProfiles: Woodland Creation Grant options, CCF.9	Line-intersect + snags built10	Health & damage provisionalNotifiable agents: UK lists.12	H:D stability provisional13	Damage, stumps, ruts provisional14	Layout generator built11
Western & southern Europe
France	AFI indicators provisionalAlso: BDq1	IBP FR v3.2 builtAlso: IBP EUR.MED5	ICE browsing index builtAlso: browsing survey7	AFI regeneration sub-plots builtAlso: sub-plots8	None recommended none yetThe establishment survey can be chosen with a CCF or custom profile, with a caution.9	Line-intersect + snags built10	Health & damage provisional12	H:D stability provisional13	Damage, stumps, ruts provisional14	Layout generator built11
Belgium	AFI indicators provisionalAlso: BDq1	IBP Benelux v3.2 builtAlso: IBP EUR.MED5	Browsing survey built7	AFI regeneration sub-plots builtAlso: sub-plots8	None recommended none yetThe establishment survey can be chosen with a CCF or custom profile, with a caution.9	Line-intersect + snags built10	Health & damage provisional12	H:D stability provisional13	Damage, stumps, ruts provisional14	Layout generator built11
Netherlands	BDq / reverse-J provisionalThe general method here: no national tradition is built in.1	IBP Benelux v3.2 builtAlso: IBP EUR.MED5	Browsing survey built7	Species × height-class sub-plots provisional8	None recommended none yetThe establishment survey can be chosen with a CCF or custom profile, with a caution.9	Line-intersect + snags built10	Health & damage provisional12	H:D stability provisional13	Damage, stumps, ruts provisional14	Layout generator built11
Luxembourg	AFI indicators provisionalAlso: BDq1	IBP Benelux v3.2 builtAlso: IBP EUR.MED5	Browsing survey built7	AFI regeneration sub-plots builtAlso: sub-plots8	None recommended none yetThe establishment survey can be chosen with a CCF or custom profile, with a caution.9	Line-intersect + snags built10	Health & damage provisional12	H:D stability provisional13	Damage, stumps, ruts provisional14	Layout generator built11
Spain outside Catalonia	BDq / reverse-J provisionalThe general method here: no national tradition is built in.1	IBP ES v3.2 builtAlso: IBP EUR.MED5	Browsing survey built7	Species × height-class sub-plots provisional8	None recommended none yetThe establishment survey can be chosen with a CCF or custom profile, with a caution.9	Line-intersect + snags built10	Health & damage provisional12	H:D stability provisional13	Damage, stumps, ruts provisional14	Layout generator built11
Catalonia	BDq / reverse-J provisionalThe general method here: no national tradition is built in.1	IBP-CAT v3.0 builtAlso: IBP ES v3.2, IBP EUR.MED5	Browsing survey built7	Species × height-class sub-plots provisional8	None recommended none yetThe establishment survey can be chosen with a CCF or custom profile, with a caution.9	Line-intersect + snags built10	Health & damage provisional12	H:D stability provisional13	Damage, stumps, ruts provisional14	Layout generator built11
Italy	BDq / reverse-J provisionalThe general method here: no national tradition is built in.1	IBP It v3.0 builtAlso: IBP EUR.MED5	Browsing survey built7	Species × height-class sub-plots provisional8	None recommended none yetThe establishment survey can be chosen with a CCF or custom profile, with a caution.9	Line-intersect + snags built10	Health & damage provisional12	H:D stability provisional13	Damage, stumps, ruts provisional14	Layout generator built11
Central & northern Europe
Germany outside Bavaria	Target diameter (Zielstärke) provisionalAlso: BDq1	IBP EUR.MED v3.2 provisional4	Browsing survey built7	Species × height-class sub-plots provisional8	None recommended none yetThe establishment survey can be chosen with a CCF or custom profile, with a caution.9	Line-intersect + snags built10	Health & damage provisional12	H:D stability provisional13	Damage, stumps, ruts provisional14	Layout generator built11
Bavaria	Target diameter (Zielstärke) provisionalAlso: BDq1	IBP EUR.MED v3.2 provisional4	Forstliches Gutachten 2024 builtAlso: browsing survey7	Species × height-class sub-plots provisional8	None recommended none yetThe establishment survey can be chosen with a CCF or custom profile, with a caution.9	Line-intersect + snags built10	Health & damage provisional12	H:D stability provisional13	Damage, stumps, ruts provisional14	Layout generator built11
Switzerland	Control method (méthode du contrôle) provisionalAlso: BDq1	IBP EUR.MED v3.2 provisionalThe Swiss IBP is not yet published.4	BAFU Wald und Wild (2010) builtAlso: browsing survey7	Species × height-class sub-plots provisional8	None recommended none yetThe establishment survey can be chosen with a CCF or custom profile, with a caution.9	Line-intersect + snags built10	Health & damage provisional12	H:D stability provisional13	Damage, stumps, ruts provisional14	Layout generator built11
Austria	Target diameter (Zielstärke) provisionalAlso: BDq1	IBP EUR.MED v3.2 provisional4	Wildeinflussmonitoring (2016) provisionalAlso: browsing survey7	Species × height-class sub-plots provisional8	None recommended none yetThe establishment survey can be chosen with a CCF or custom profile, with a caution.9	Line-intersect + snags built10	Health & damage provisional12	H:D stability provisional13	Damage, stumps, ruts provisional14	Layout generator built11
Czechia	BDq / reverse-J provisionalThe general method here: no national tradition is built in.1	IBP EUR.MED v3.2 provisional4	ÚHÚL browsing indicator (2021) provisionalAlso: browsing survey7	Species × height-class sub-plots provisional8	None recommended none yetThe establishment survey can be chosen with a CCF or custom profile, with a caution.9	Line-intersect + snags built10	Health & damage provisional12	H:D stability provisional13	Damage, stumps, ruts provisional14	Layout generator built11
Poland	BDq / reverse-J provisionalThe general method here: no national tradition is built in.1	IBP EUR.MED v3.2 provisional4	State Forests damage classes (§105) provisionalAlso: browsing survey7	Species × height-class sub-plots provisional8	None recommended none yetThe establishment survey can be chosen with a CCF or custom profile, with a caution.9	Line-intersect + snags built10	Health & damage provisional12	H:D stability provisional13	Damage, stumps, ruts provisional14	Layout generator built11
Sweden	BDq / reverse-J provisionalThe general method here: no national tradition is built in.1	IBP EUR.MED v3.2 provisionalA test version in boreal forest, say its authors.4	Äbin moose browsing provisionalAlso: browsing survey7	Species × height-class sub-plots provisional8	None recommended none yetThe establishment survey can be chosen with a CCF or custom profile, with a caution.9	Line-intersect + snags built10	Health & damage provisional12	H:D stability provisional13	Damage, stumps, ruts provisional14	Layout generator built11
Everywhere else in Europe
Other European countries Albania, Andorra, Belarus, Bosnia and Herzegovina, Bulgaria, Croatia, Denmark, Estonia, Faroe Islands, Finland, Greece, Guernsey, Hungary, Iceland, Isle of Man, Jersey, Kosovo, Latvia, Liechtenstein, Lithuania, Malta, Moldova, Monaco, Montenegro, North Macedonia, Norway, Portugal, Romania, Russia, San Marino, Serbia, Slovakia, Slovenia, Ukraine, Vatican City, Åland Islands	BDq / reverse-J provisionalThe general method here: no national tradition is built in.1	IBP EUR.MED v3.2 provisional4	Browsing survey built7	Species × height-class sub-plots provisional8	None recommended none yetThe establishment survey can be chosen with a CCF or custom profile, with a caution.9	Line-intersect + snags built10	Health & damage provisional12	H:D stability provisional13	Damage, stumps, ruts provisional14	Layout generator built11

Sources, and what is provisional

Each country's own tradition. BDq: de Liocourt (1898) and the Forest Research BDq calculator, UK and Irish practice, and the general method in the rest of Europe where no national tradition is built in. AFI (Association Futaie Irrégulière): France, with network stands in Wallonia and Luxembourg (Bruciamacchie, Tomasini & Baar 2008). Zielstärkennutzung: Germany and Austria (Reininger 1987). Gurnaud and Biolley's méthode du contrôle: Switzerland (Biolley 1920). Targets, bands and normal stock are set per stand. Volume and carbon are provisional until the IE/UK tariff tables.
Black, Byrne, Reeves & Moran (2023) The CCF biodiversity protocol, after Larrieu & Gonin (2009). Indicator plants: Perrin & Daly (2010), Irish Wildlife Manuals 46. Provisional until the authors confirm the category bands.
The Irish CCF protocol scored with the Northern Ireland ancient-woodland list (Perrin & Daly 2010, Table 17). An adaptation, not a published NI protocol.
Gonin, Larrieu et al. (2025) IBP EUR.MED v3.2: the authors' generic European definition, which they say may need adapting per country and is a test version in boreal or semi-arid climates. Recommended where no national version exists.
CNPF and partners: IBP FR v3.2 (2026), IBP Benelux v3.2 (INBO), IBP ES v3.2 (2026), IBP-CAT v3.0 (CPF & CTFC 2022), IBP It v3.0 (2023). Checked against the official documents.
Armstrong, Black, Holl & Thompson, WHIA User Guide v5 (2023): provisional because the "best describes" judgement is proposed for the surveyor to confirm. Pepper (1998) FC Practice Note 1, nearest-neighbour method.
ONCFS ICE fiche 14 (2015, France); BAFU (2010, Switzerland); StMELF Forstliches Gutachten 2024 (Bavaria); BFW Wildeinflussmonitoring (Austria), Äbin (Sweden), Instrukcja Ochrony Lasu §105 (Poland) and ÚHÚL (2021, Czechia), provisional until checked against their full field instructions. Elsewhere, the app's shared regeneration-browse plots.
Forest Service stocking-assessment practice (adequacy threshold and height classes are defaults you set); Forestry Commission Information Note 45 (2002); AFI regeneration protocol, with the AFI stand method.
Establishment survey for new or renewed planting under about 15 years: survival, stocking, beating-up, height growth, weeds, browsing and guards, read against a profile chosen per stand. Profiles come from DAFM's Forestry Standards Manual (2023) and Afforestation Scheme (2024), Scottish Forestry's Stocking Density Survey Protocol V7 and FGS options, Forestry Commission EWCO and felling-licence guidance, and the Welsh Woodland Creation Grant. CCF profiles draw on Pro Silva Ireland (2024), Kerr et al. (2020) and FC Information Notes 40 and 45. Provisional: some thresholds are app defaults, and FT10's "±20% per species" awaits DAFM's reading.
CCF biodiversity protocol (2023) §2.2.5; Van Wagner (1968) line-intersect method; decay classes after Tobin et al. (2007).
Systematic grid or the Local Pivotal Method (Grafström, Lundström & Schelin 2012), following each chosen method's own plot rules (AFI's 10 plots, the IBP walk, 10 WHIA stops). It proposes; nothing is saved until you accept.
General forest-condition practice: incidence and severity by agent. Notifiable-agent lists from DAFM (IE) and the Forestry Commission & APHA (UK) change, so confirm them.
Forest Research H:D guidance for conifer stability (~80 caution, ~100 high); the exposure adjustments are defaults you set.
Residual damage, stump audit and rut checks after harvesting. Damage bands, wound and rut classes and the stump-to-DBH factor are working defaults you set to your contract terms.

Every method, step by step: the measurement guides.

Built for certification monitoring

FSC Principle 8, UKWAS and PEFC: the monitoring, recorded the way an audit reads it.

FSC Principle 8 asks you to monitor progress toward objectives, the impacts of management and the condition of the woodland, and to feed the results back into the plan. UKWAS adds that monitoring be consistent and replicable over time. That is what the app records. It supports your evidence; your certification body decides conformity.

InternationalFSC Principles & Criteria

FSC-STD-01-001 V5: Principle 8, Criteria 8.1–8.5; related 5.2, 6.5, 6.6, 9.4, 10.1.

IrelandFSC Interim Standard for Ireland

FSC-STD-IRL-02-2024, effective 15 July 2024 — monitoring in 8.1–8.4 and Annex G; 15% conservation network (6.5.5).

United KingdomUKWAS 5.0

Effective 1 Dec 2024 and endorsed by PEFC. FSC certificate holders are audited to UKWAS 4 until FSC approves UKWAS 5 — we cite both.

PEFCPEFC UK · PEFC Ireland

UK: UKWAS 5.0. Ireland: Irish Forest Certification Standard (v3). The same monitoring themes; a clause-by-clause mapping isn't published here yet.

Requirement by requirement: what the app records and the evidence it produces

Requirement theme	Where it sits	What the app records	Evidence it produces
Monitor the plan's implementation and verifiable targets	FSC 8.1 · IE 8.1.1 · UKWAS 2.15.1(c)	Objectives per stand with targets per method (e.g. BDq basal area, AFI band, target diameters, deadwood benchmark); interventions with date, type, basal area removed, income and costs.	Five-year review: each objective Met / Nearly met / Not met; interventions table; per-stand status for every requirement in the certification pack.
Consistent, replicable monitoring kept for the long term	UKWAS 2.15.1(b) · IE 8.1.1.1	Fixed plots revisited by GPS; reproducible layouts (seed stored); every result names its protocol and version; observer and provenance on every value.	Evidence index per visit: date, observer, records by module, source of values (field / assisted / imported), values awaiting confirmation (not counted), photo register.
Changes in environmental condition	FSC 8.2 · IE 8.2.2 · UKWAS 2.15.1(c)	Structure and composition, regeneration, deadwood, biodiversity potential (IBP), tree health, windthrow — at each visit, by named method.	Monitoring history per stand; first-vs-last change per topic over the review period; trend to target.
Impacts of management activities	FSC 8.2 · UKWAS 2.15.1(c)	Structure either side of each intervention; paired photos from the same photo point and bearing; browsing impact (WHIA) as the grazing/browsing impact.	Before/after section in the owner report and five-year review; thinning-intensity table.
Analyse results, feed them back into planning	FSC 8.3 · IE 8.3.1 · UKWAS 2.15.2	Trend to target (rate, 90% interval, on track / drifting / reached); flags for the forester's judgement; drifting stands across the portfolio.	Trend-to-target and flags sections. The decision stays with you; revised objectives are kept with the date they took effect, so later visits are judged against the right target.
Growth, sustained harvest, thinning intensity	FSC 5.2 · UKWAS 2.4.2 · IE 5.2.1	Basal-area increment from re-measured plots (UKWAS accepts monitoring-plot evidence for irregular stands); cut ÷ increment; diameter-class flux.	"Growth & thinning intensity" table in the certification pack (needs two inventories of the same plots).
Area managed for biodiversity	UKWAS 2.11.1 (≥ 15%) · IE 6.5.5 (≥ 15%) · FSC 6.5 (generic indicator 10%)	Stands you designate as biodiversity areas, with their mapped areas.	Biodiversity-area section: designated hectares and share against a 15% guide — or "cannot be computed" when an area is missing, never a guess.
Deadwood and veteran trees	UKWAS 4.7.4–4.7.5 (v4: 4.6.3–4.6.4) · IE 10.11.4 · FSC 6.6	Lying deadwood by line-intersect, standing snags, decay classes; IBP's large/veteran trees and tree microhabitats.	Deadwood m³/ha against the ~20 m³/ha UKWAS guidance figure; IBP factor table.
Deer and herbivore impact	UKWAS 2.12.1, 2.15.1 · IE 6.6.5.1	WHIA v5 impact surveys; cull records imported as a dataset shown beside them (context, never scored).	Browsing-impact row in the pack; dated scores in the biodiversity & browsing evidence report.
Regeneration	FSC 10.1 · IE 10.2.1.1	Stocking by species and height class; share of plots adequately stocked (default threshold, set to yours).	Regeneration row and its trend.
Tree health and windthrow risk	UKWAS 2.15.1 (tree health) · 2.10.1 (windthrow risk) · IE 8.2.2	Incidence and severity by agent, notifiable agents flagged; H:D slenderness and windthrow observations.	Health and stability rows; flags for your judgement.
Public summary of monitoring results partly	FSC 8.4 · IE 8.4.1 (SLIMF: on request) · UKWAS 2.15.3 (on request)	The same results, in reports you can download.	A basis for your summary. The app doesn't publish it or strip confidential detail — you decide what goes public.
High Conservation Values partly	FSC 9.4 · UKWAS 2.15.1(d)	Stand-level condition monitoring; habitat, bird or flora records imported as map datasets for context.	No HCV register or HCV-specific assessment yet.
Tracking and tracing of products not covered	FSC 8.5 · IE 8.5.1–8.5.3 · UKWAS 3.2.2	—	Not covered: no sales volumes, invoices or product tracing. Use your harvesting and sales records.

References checked against FSC-STD-01-001 V5, FSC-STD-IRL-02-2024 V2-0, UKWAS 5.0 (2024) and UKWAS 4.0. Standards change — confirm the version your certification body audits against.

Out of scope: chain of custody (FSC 8.5), social and safety records, writing the management plan. Group managers can generate the pack for up to 200 properties in one batch.

The app supports evidence for FSC, UKWAS and PEFC monitoring requirements. It is not affiliated with or endorsed by FSC, PEFC or UKWAS, and using it doesn't confer certification.

See whether your forest is on track. And prove it.

On track, or drifting?

Do the woodland, not admin

Evidence an auditor can follow

Four steps, then it compounds.

Set up

Capture

Analyse over time

Prove it

Everything a CCF monitoring year needs.

Offline in the wood

One walk, many methods

On track, or drifting?

Quota, marking, aftermath

Bring your old records

Evidence someone needs

The right method for where the wood is.

FSC Principle 8, UKWAS and PEFC: the monitoring, recorded the way an audit reads it.

Built for the paradigm the others can't represent.

The client owns their woodland data.

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Everything, any time

Admins, foresters, owners