Keeping woodlands in Wales and Ireland healthy

Glossary G


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Gall:An abnormal growth on a plant in response to the action of a young insect or some other organism, such as a mite or a fungus, in the tissues. The gall-causers obtain both food and shelter from the host plant.
GCM:Global Climate Model.
gen.nov; g.n; genus novum:In Entomological Terms - new genus.
Generitype:A specimen that acts as the name bearer for a species.
Genus:One of the seven taxonomic ranks used to classify living organisms. Genus comes after Family and before Species.
GHGs:Greenhouse Gases.
GIS:Geographical Information System - a computer software system with which spatial information (e.g. Maps) is able to capture, store, manipulate, analyze, manage, share and present all types of geographical data for informing decision making.
Global warming potential (GWP):An index representing the combined effect of the differing times greenhouse gases remain in the atmosphere and their relative effectiveness in absorbing outgoing infrared radiation.
Government Social Research (GSR) service:The professional organisation for approximately 1,000 social researchers in central government departments and the devolved administrations. It contributes to the evidence that underpins government strategy, policy and delivery by providing analysis and research-informed policy advice.
'Green':Concerned with or supporting protection of the environment / to make or become green or to make less harmful to the environment.
Green energy:A popular term for energy produced from renewable energy resources (sun, wind, water) or, sometimes, from ’clean’ (low-emitting) energy sources (biomass). It can also be described as any contractual arrangement between an energy supplier and a consumer where it is claimed that the supply will give rise to environmental benefit.
Green Infrastructure:Strategic networks of accessible, multifunctional sites (including parks, woodland, informal open spaces, nature reserves and historical sites) as well as linkages (such as river corridors and floodplains, wildlife corridors and greenways). These contribute to people’s well-being, and together comprise a coherent managed resource responsive to evolving conditions.
Greenhouse gases (GHGs):The atmospheric gases responsible for causing global warming and climate change. The major GHGs are carbon dioxide (CO2), methane (CH4) and nitrous oxide (N20). Less prevalent --but very powerful -- greenhouse gases are hydrofluorocarbons (HFCs), perfluorocarbons (PFCs) and sulphur hexafluoride (SF6).
Group selection:A method of managing irregular stands in which regeneration is achieved by felling trees in small groups and is just one example of LISS.
Gynandromorph:An insect that has some cells that are male and some that are female.

Using nature's weapons to battle current and future threats

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