Systematic Ecological Data Collection in Nersac
Accurate wildlife regulation and habitat preservation require continuous, empirical data. Since 2016, the Amicale des Propriétaires Terriens de Nersac has systematically cataloged field observations, biological samples, nocturnal census counts, and damage incidence logs. This archive serves as a living historical record of communal biodiversity and provides regional environmental authorities with granular, ground-level insights into wildlife dynamics across the Charente basin.
Our archiving protocols follow standardized methodologies validated by the Office Français de la Biodiversité (OFB) and the Fédération Départementale des Chasseurs de la Charente. Standardized census routes (known as Kilometric Abundance Indices or Indices Kilométriques d'Abondance - IKA) are walked or driven at consistent speeds, under identical weather conditions, and during precise biological periods each year.
Summary of Annual Census Data (2021–2025)
The table below synthesizes key observations compiled by our volunteer teams across five consecutive monitoring seasons in Nersac:
Key Findings & Ecological Trends
An analysis of our five-year archival data reveals three positive ecological trajectories directly linked to our association’s targeted interventions:
- Stabilization of Big Game Pressures: The gradual decline in wild boar crop contact incidents (from 78 in 2021 down to 57 in 2025) correlates with our proactive electric fencing loans and selective biological regulation, demonstrating that farmers face significantly reduced crop damage.
- Eradication of Riparian Pest Hotspots: Sustained live-trapping of non-native coypu has halved the annual capture numbers, indicating a marked decrease in invasive rodent colonization along the banks of the Charente and its tributaries in Nersac.
- Revitalization of Avian Diversity: The documented presence of 59 distinct native bird species in 2025 highlights the restorative impact of hedgerow preservation, riparian buffer maintenance, and reduced synthetic pesticide runoff enabled by healthy crop management.
Open Data Access for Researchers & Students
In alignment with our public interest mission, our ecological archives are not private property. Anonymized raw observation sheets, geospatial coordinates of wildlife trails, and historical meteorological correlations are available free of charge to universities, academic researchers, environmental engineering students, and local schools.
We believe that citizen science flourishes when communities have unobstructed access to factual environmental metrics. If you are conducting an academic thesis, regional botanical assessment, or high school science project regarding the biodiversity of Nersac, our volunteer archivist can provide customized datasets upon formal request.
Participating in Upcoming Field Censuses
Twice a year, the association organizes open participatory counting sessions where registered civic volunteers can accompany certified observers. These outings offer an extraordinary opportunity to experience the nocturnal life of the forest, learn track identification, and contribute directly to regional environmental science. Check our public calendar or contact our bureau to reserve a free place.