Hebridean Gannet Harvest Policy Simulator

Policy Presets:

20-Year Colony Population Dynamics

Cap: 20,000 Pairs

20-Yr Colony Status

16,400

-8.8% from initial

Conservation Index

78 / 100

Ecological Safety

Cultural Heritage

85 / 100

Ness Trust Score

Decline Peak Year

2028

Lowest Point

Sula Sgeir Spatial Micro-Map

Interactive Nest Zones

Annual Harvest Quota 2,000

Avian Flu Mortality Rate 5%

Oceanic Food Stress Factor 1.10x

Sanctuary Enforcement Strictness 75%

Policy Compromise Briefing & Regulatory Trade-offs

Ecological Impact Assessment

With a harvest quota of 2,000 chicks/yr under moderate flu mortality (5%), the Sula Sgeir breeding colony exhibits resilient dynamics, settling near 16,400 breeding pairs. Natural recruitment buffers harvest losses unless climate-driven food stress exceeds 1.35x.

Socio-Political & Heritage Synthesis

Maintaining a traditional Ness Guga harvest preserves centuries of Hebridean maritime heritage (Cultural Continuity Score: 85/100). However, political tension with Scottish conservation agencies remains moderate without co-management agreements.