Deep dive: Biodiversity measurement & monitoring

Why It Matters

A single litre of river water, filtered and sequenced using environmental DNA (eDNA) metabarcoding, can now detect over 300 species in under 48 hours, a task that would have taken a team of field ecologists months to accomplish a decade ago (NatureMetrics, 2025). Meanwhile, satellite constellations from the European Space Agency's Copernicus programme and commercial providers like Planet Labs deliver 10-metre resolution imagery covering 85% of terrestrial ecosystems on a weekly cycle (ESA, 2025). These technological leaps arrive at a critical moment. The Kunming-Montreal Global Biodiversity Framework (GBF) requires all 196 signatory nations to report measurable progress toward 23 targets by 2030, and the Taskforce on Nature-related Financial Disclosures (TNFD) has been adopted by over 1,200 organisations globally as of early 2026 (TNFD, 2026). Without scalable, credible biodiversity measurement, neither governments nor corporations can demonstrate that their commitments translate into real ecological outcomes. The market for nature-related analytics and monitoring technology has responded accordingly, reaching an estimated $2.7 billion in 2025 and projected to grow at 24% CAGR through 2030 (Research and Markets, 2025).

Key Concepts

Biodiversity Intactness Index (BII). Developed by the Natural History Museum London, BII measures the average abundance of originally present species in a given area relative to an undisturbed reference state. It provides a single metric that captures both species composition and abundance, making it useful for portfolio-level screening and corporate disclosure. BII values below 90% indicate significant ecological degradation, and the global average currently stands at approximately 75% (Natural History Museum, 2025).

eDNA metabarcoding. Environmental DNA refers to genetic material shed by organisms into their surroundings through skin cells, mucus, faeces and gametes. Metabarcoding uses high-throughput DNA sequencing to identify multiple species simultaneously from a single environmental sample. The technique works across water, soil and air matrices and has moved from academic research into commercial deployment, with standardised protocols now available for freshwater, marine and terrestrial applications.

Remote sensing proxies for biodiversity. Direct observation of species from space remains impractical, but satellite data can measure proxies that correlate with biodiversity: vegetation structure, canopy height, spectral diversity (a proxy for functional diversity), land-use change, fragmentation indices and phenological patterns. The Spectral Variation Hypothesis posits that greater spectral heterogeneity in an area corresponds to higher habitat complexity and, therefore, higher species diversity.

Acoustic and bioacoustic monitoring. Autonomous recording units (ARUs) capture soundscapes continuously, and machine-learning classifiers can identify bird, bat, amphibian and insect species from audio with accuracy rates exceeding 92% (Rainforest Connection, 2025). Acoustic indices such as the Acoustic Complexity Index and Bioacoustic Index provide cost-effective proxies for species richness and ecosystem health.

TNFD and regulatory drivers. The TNFD's LEAP framework (Locate, Evaluate, Assess, Prepare) requires organisations to identify nature dependencies and impacts across their value chains and report using standardised metrics. The EU Corporate Sustainability Reporting Directive (CSRD) embeds biodiversity disclosure requirements aligned with TNFD, and France's Article 29 already mandates biodiversity impact reporting for financial institutions. These regulatory drivers create structural demand for measurement and monitoring solutions that are scalable, auditable and comparable across jurisdictions.

What's Working

eDNA at commercial scale. NatureMetrics, the UK-based eDNA analytics company, has processed over 80,000 samples across 90 countries as of early 2026, providing biodiversity baselines for mining, infrastructure, agriculture and real-estate clients (NatureMetrics, 2025). Their standardised sampling kits allow non-specialists to collect water or soil samples and ship them to centralised labs, receiving species-level results within two weeks. Costs have fallen to roughly $250 per sample, down from over $1,000 in 2020, making repeat monitoring economically viable for corporate compliance.

Satellite-enabled ecosystem accounting. The European Space Agency's Copernicus Biodiversity Monitoring Service, launched in late 2024, provides free, open-access habitat maps at 10-metre resolution for all EU member states. Combined with the IUCN Red List of Ecosystems, these maps enable governments to track progress toward GBF Target 3 (30x30 protected area coverage). Microsoft's Planetary Computer platform aggregates petabytes of satellite data and applies AI models to generate near-real-time deforestation alerts, habitat fragmentation indices and land-use change maps used by over 400 organisations (Microsoft, 2025).

Bioacoustic networks scaling. Rainforest Connection (RFCx) operates a network of over 12,000 acoustic sensors across tropical forests in 28 countries, processing 1.5 million hours of audio per month. Their AI platform identifies illegal logging activity with 96% accuracy and monitors species presence for conservation managers. In Sumatra, RFCx acoustic alerts enabled rangers to reduce illegal chainsaw events by 70% in monitored zones between 2023 and 2025 (RFCx, 2025). The technology has expanded beyond forests: acoustic monitoring is now used in marine environments to track whale and dolphin populations and in agricultural landscapes to assess pollinator activity.

Integrated monitoring stacks. Leading restoration and conservation projects are combining multiple data streams into integrated monitoring, reporting and verification (MRV) platforms. Verra's Nature Framework, launched in 2025, accepts eDNA, remote sensing, acoustic and field-survey data as evidence for biodiversity credit issuance. This multi-modal approach reduces the risk of any single data source providing an incomplete picture and increases confidence in reported outcomes. South Africa's Greater Kruger restoration programme uses a stack of satellite imagery, camera traps, eDNA sampling and ranger patrol data to track recovery across 2.5 million hectares.

What's Not Working

Taxonomic bias and data gaps. Monitoring technology is heavily skewed toward vertebrates and vascular plants. Invertebrates, fungi and soil microorganisms collectively represent over 80% of terrestrial species but receive less than 15% of monitoring effort and funding (IPBES, 2025). eDNA reference databases remain incomplete for tropical regions: an estimated 40% of species in tropical freshwater systems lack reference barcode sequences, meaning eDNA surveys undercount true diversity in the areas where biodiversity is richest.

Standardisation challenges. Despite progress, no single globally accepted metric or protocol exists for corporate biodiversity disclosure. The TNFD recommends multiple metrics (species richness, ecosystem extent, ecosystem condition), but companies can cherry-pick indicators that present the most favourable picture. ISO 14072, intended to standardise biodiversity footprinting at organisation level, remains in draft as of February 2026. Without binding standards, comparability across disclosures is limited.

Cost barriers in the Global South. While satellite data is increasingly free, the analytical capacity to process it is not. eDNA lab infrastructure is concentrated in Europe, North America and parts of East Asia, and shipping biological samples across borders involves complex permitting under the Nagoya Protocol. Many biodiversity-rich countries in Sub-Saharan Africa, Southeast Asia and Central America lack the sequencing facilities, trained taxonomists and data infrastructure to benefit fully from monitoring advances.

Temporal resolution gaps. Satellites provide frequent spatial snapshots, but biodiversity change is often seasonal and driven by processes that unfold over years to decades. Most corporate monitoring programmes assess biodiversity annually or less frequently, which is insufficient to detect early warning signals of ecosystem degradation such as population declines in indicator species. Continuous acoustic and eDNA monitoring can fill this gap but require sustained investment that many project budgets do not accommodate beyond the initial baseline phase.

Greenwashing risk in metrics. Some organisations report biodiversity performance using metrics that are easy to measure but ecologically meaningless, such as "number of trees planted" or "hectares under management" without reference to ecological condition. The absence of mandatory third-party verification for biodiversity claims (unlike for carbon credits) means that reported improvements may not reflect genuine ecological recovery.

Key Players

Established Leaders

• European Space Agency (Copernicus) — Operates Sentinel-2 satellites delivering free 10-metre multispectral imagery globally; launched the Biodiversity Monitoring Service in 2024.
• IUCN — Maintains the Red List of Threatened Species (over 163,000 species assessed) and the Red List of Ecosystems, providing the foundational reference data for biodiversity monitoring.
• UN Biodiversity (CBD Secretariat) — Oversees national reporting against the Kunming-Montreal GBF targets and manages the Global Biodiversity Information Facility (GBIF) data standards.
• Natural History Museum London — Developed the Biodiversity Intactness Index used by financial institutions and governments for portfolio-level biodiversity screening.

Emerging Startups

• NatureMetrics — Pioneer of commercial eDNA monitoring, processing 80,000+ samples across 90 countries with standardised sampling kits for corporate clients.
• Rainforest Connection (RFCx) — Deploys 12,000+ acoustic sensors globally with AI-powered species identification and illegal activity detection.
• Pivotal (formerly Slingshot Aerospace) — Applies AI to satellite imagery for habitat change detection and biodiversity risk mapping at portfolio scale.
• Earthbanc — Provides integrated nature-risk analytics combining satellite, eDNA and financial data for TNFD-aligned corporate reporting.

Key Investors & Funders

• Bezos Earth Fund — Committed $300 million to biodiversity monitoring and data infrastructure through 2030.
• Moore Foundation — Major funder of eDNA reference database development and open-access biodiversity data platforms.
• Norges Bank Investment Management (NBIM) — The world's largest sovereign wealth fund, requiring portfolio companies to disclose biodiversity impacts and increasingly funding monitoring solutions.
• European Investment Bank — Launched the Natural Capital Financing Facility (€250 million) supporting biodiversity monitoring and restoration projects across Europe.

Sector-Specific KPI Benchmarks

Action Checklist

1. Establish a biodiversity baseline. Commission eDNA, remote sensing and/or acoustic surveys across priority sites and value chain hotspots before making any biodiversity commitments. Baselines must be quantitative, site-specific and repeatable.
2. Adopt the TNFD LEAP framework. Use the Locate, Evaluate, Assess, Prepare approach to systematically identify nature dependencies and impacts across operations and supply chains. Begin with priority sectors such as agriculture, extractives and real estate.
3. Invest in integrated MRV platforms. Combine at least two independent data streams (e.g. satellite imagery plus eDNA, or acoustics plus camera traps) to reduce measurement uncertainty and increase confidence in reported outcomes.
4. Build internal data literacy. Train sustainability, procurement and risk teams to interpret biodiversity metrics such as BII, species richness, ecosystem condition scores and habitat fragmentation indices. Biodiversity data is only useful if decision-makers can act on it.
5. Engage with standard-setters. Participate in consultations on ISO 14072, TNFD metric updates and national biodiversity reporting frameworks to ensure that emerging standards are practical, comparable and scientifically robust.
6. Fund monitoring in biodiversity hotspots. Allocate a proportion of nature-related investment budgets to building eDNA reference databases and sequencing capacity in tropical and Global South regions where data gaps are most acute.
7. Require third-party verification. Insist that biodiversity claims from suppliers, investees and restoration partners are independently verified using recognised protocols, mirroring the assurance standards now expected for carbon data.

FAQ

How does eDNA compare to traditional ecological surveys? Traditional surveys rely on trained taxonomists physically identifying organisms through visual observation, trapping or netting. They are highly accurate for well-known taxa but expensive, time-consuming and limited in spatial and temporal coverage. eDNA metabarcoding detects species presence from environmental samples without direct observation, covering a broader range of taxa simultaneously. It excels at detecting rare, elusive or nocturnal species that traditional methods often miss. However, eDNA provides presence data rather than abundance data, and results depend on the completeness of reference barcode databases. The most robust monitoring programmes combine both approaches.

What is the Biodiversity Intactness Index and why do investors care? BII measures the average remaining proportion of a location's original species assemblage relative to an undisturbed baseline. A BII of 100% would indicate a pristine ecosystem, while values below 90% suggest that ecological processes may be compromised. Investors use BII for portfolio-level screening because it provides a single, comparable metric across geographies and asset classes. Financial institutions including Robeco, ASN Bank and AXA have integrated BII into their nature-risk assessment frameworks to identify exposure to biodiversity-related physical and transition risks.

Is satellite monitoring sufficient for TNFD reporting? Satellite data is essential but not sufficient. It provides landscape-level information on habitat extent, fragmentation and land-use change, but it cannot directly measure species composition, population trends or ecosystem condition at the level of detail required by TNFD. Organisations that rely solely on satellite data risk reporting on habitat quantity without addressing habitat quality. TNFD recommends combining remote sensing with ground-based biological monitoring (eDNA, acoustic surveys, field inventories) and using established ecological indicators to demonstrate that ecosystems are not just present but functionally intact.

How much does a comprehensive biodiversity monitoring programme cost? Costs vary enormously by scope and geography. A basic eDNA freshwater monitoring programme covering 20 sites with quarterly sampling costs approximately $20,000 to $40,000 per year at current pricing. Adding satellite-based habitat monitoring through commercial providers adds $15,000 to $50,000 annually depending on resolution and frequency. A fully integrated MRV programme combining eDNA, acoustics, remote sensing and field surveys for a large restoration project (10,000+ hectares) typically costs $150,000 to $500,000 per year. These costs are declining rapidly and are small relative to the financial exposure from unmanaged nature-related risks, which the World Bank (2025) estimates could reduce GDP by up to 2.3% annually in nature-dependent economies.

What regulatory deadlines should companies be aware of? The EU CSRD requires biodiversity-related disclosures from large companies starting with financial year 2025, with reports due in 2026. France's Article 29 already mandates biodiversity impact reporting for financial institutions. The Kunming-Montreal GBF Target 15 requires large and transnational companies to assess and disclose their biodiversity dependencies and impacts by 2030. TNFD-aligned reporting, while currently voluntary, is increasingly expected by investors: over 1,200 organisations have committed to TNFD adoption, and several stock exchanges are considering listing requirements that incorporate nature-related disclosures.

Sources

• NatureMetrics. (2025). Scaling eDNA: 80,000 Samples and the Path to Standardised Biodiversity Monitoring. NatureMetrics.
• European Space Agency. (2025). Copernicus Biodiversity Monitoring Service: Coverage, Resolution and Open Access Data. ESA.
• TNFD. (2026). Taskforce on Nature-related Financial Disclosures: Adoption Tracker and Market Status Report. TNFD.
• Research and Markets. (2025). Nature-Related Analytics and Biodiversity Monitoring Technology Market: Size, Growth and Forecast 2025-2030. Research and Markets.
• Natural History Museum London. (2025). Biodiversity Intactness Index: Global Update and Methodology. NHM.
• IPBES. (2025). Global Assessment of Biodiversity Monitoring Gaps: Taxonomic, Geographic and Temporal Coverage. IPBES.
• Rainforest Connection. (2025). Acoustic Monitoring at Scale: 12,000 Sensors, 28 Countries and AI-Powered Species Identification. RFCx.
• Microsoft. (2025). Planetary Computer: AI for Biodiversity Monitoring and Ecosystem Accounting. Microsoft.
• World Bank. (2025). The Economic Case for Nature: GDP at Risk from Biodiversity Loss. World Bank Group.
• Verra. (2025). Nature Framework: Multi-Modal Evidence Requirements for Biodiversity Credit Issuance. Verra.