controlled burning
21agriculture, origins of — Introduction the active production of useful plants or animals in ecosystems that have been created by people. Agriculture has often been conceptualized narrowly, in terms of specific combinations of activities and organisms wet rice production… …
22naval ship — Introduction the chief instrument by which a nation extends its military power onto the seas. Warships protect the movement over water of military forces to coastal areas where they may be landed and used against enemy forces; warships… …
23Bushfire — A Bushfire is a fire that occurs in the bush (collective term for scrub, woodland or grassland of Australia, New Zealand, New Caledonia). In south east Australia, bushfires tend to be most common and most severe during summer and autumn, in… …
24cell — cell1 cell like, adj. /sel/, n. 1. a small room, as in a convent or prison. 2. any of various small compartments or bounded areas forming part of a whole. 3. a small group acting as a unit within a larger organization: a local cell of the… …
25Fire ecology — The Old Fire burning in the San Bernardino Mountains (image taken from the International Space Station) Fire ecology is concerned with the processes linking the natural incidence of fire in an ecosystem and the ecological effects of this fire.… …
26Flamethrower — A flamethrower is a mechanical device designed to project a long controllable stream of fire.Some flamethrowers project a stream of ignited flammable liquid; some project a long gas flame. Most military flamethrowers use liquids, but commercial… …
27Moorland — For other uses, see Moorland (disambiguation). Extensive moorland in the Desert of Wales Moorland or moor is a type of habitat, in the temperate grasslands, savannas, and shrublands biome, found in upland areas, characterised by low growing… …
28United Kingdom — a kingdom in NW Europe, consisting of Great Britain and Northern Ireland: formerly comprising Great Britain and Ireland 1801 1922. 58,610,182; 94,242 sq. mi. (244,100 sq. km). Cap.: London. Abbr.: U.K. Official name, United Kingdom of Great… …
29Driptorch — Part of a series on Wildland Firefighting Main articles Wildfire · Bushfires · Wildfi …
30Plagioclimax community — Plagioclimax communities are a group of species that exist in an ecosystem as a result of the influence of human activity.The ecosystem may have been stopped from reaching its full climatic climax or deflected towards a different climax by… …
