Glossary
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Habitat Action Plan (HAP)
Conservation strategies for specific habitats, established under the UK Biodiversity Action Plan.
Habitats and Species Regulations
The provisions of EC Directive 92/43/EEC on the conservation of natural habitats and of wild fauna and flora (the Habitats Directive).
Habitats Directive
A European Directive that aims to provide for conservation of natural habitats and wild fauna and flora in Europe.
HAP
See Habitat Action Plan.
Heritage
Historic or cultural associations.
Holocene
The Holocene epoch is a geological period that runs from the present day back to about 10,000 years BP. It forms the upper division of the Quaternary era.
Hopper
A large cargo hold aboard a dredging vessel, into which the aggregates are loaded and from which displaced water is returned to the sea.
Hydrogeological
Study of the relationship between the Earth's water and geological factors (e.g. rock type and structure).
Hydrogeology
Study of the relationship between the Earth's water and geological factors (e.g. rock type and structure).
Hydrology
Study of all waters in and upon the Earth.