![]() ![]() ![]() Here we provide an introduction to critical loads and levels, their derivation and status, and a 'sign-posting' to critical loads/levels information on APIS. Searching for critical loads/levels and deposition/concentrations at specific locations. ![]() Summary of Critical loads and level values and their derivation.ģ.1 Critical Loads for Nutrient Nitrogen.ģ.5 What kind of biological effects can be expected when there is an exceedance?.Ĥ.1 Using critical loads/levels for national/international policy development.Ĥ.2 Using critical loads/levels for impact assessments.Ĥ.3 General enquiries about habitat/species responses to air pollutants and their critical loads/levels.ĥ. ![]() The user can also undertake site specific searches to obtain data on pollution exposure at a specified location and the appropriate critical load/level for the specified habitat/location.ģ. APIS provides critical loads and levels for different pollutants.
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