Appendix A - Ecosystem Services Benefits, Ythan Estuary SPA (marine extension)
|Summary of Ecosystem Services Benefits arising from Classification of the Site as an SPA
|Relevance to Site
|Estimated Impacts of Classification
|Scale of Benefits
|Fish for human consumption
|Moderate, benthic habitats contribute to the food web
|Stocks not at MSY
|Low, small increase in fish stocks possible
|Minimal - Low
|Fish for non-human consumption
|Stocks reduced from potential maximum
|Gas and climate regulation
|Minimal, in coastal areas
|Non-use value of natural environment
|Moderate, bird species, and contribution of the site to MPA network
|Non-use value of the site may decline
|Low, maintain features of site
|Low - Moderate, protection of features of site from decline, and/or allowing some recovery, but some of site already protected
|Moderate, range of features contributes to maintaining biodiversity, and have non-use value (Jacobs et al. 2004).
|Low - Moderate
|Moderate, responses of features to management measures, and value to society, uncertain
|Moderate - High, wildlife tourism and recreation at site (Jacobs et al. 2004).
|Recreation value of the site may decline
|Minimal, protection of features of site
|Low - Moderate, protection of features of site that contribute to recreation, possibly allowing some recovery
|Moderate, recreation and tourism support jobs, but substitutes are available.
|Low - Moderate.
|Moderate, significance of change from management measures uncertain.
|Research and Education
|Moderate, features have research value, but there are substitutes
|Value of site may decline
|Low, protection maintains future research opportunities. Classification may play role in communicating management needs.
|Low, for individual features. Moderate for opportunity to understand response of range of features to management.
|Low – Moderate, extent to which research uses site in future uncertain.
|Total value of changes in ecosystem services
|Minimal for lower scenario, Low for intermediate scenario, Moderate for upper scenario, mainly based on non-use values (Jacobs et al. 2004)
|Low - Moderate
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