water catchment
means an area or basin of land bounded by natural features such as hills or mountains, into which all run-off water flows.
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watershed
All land and water within the confines of a drainage divide; the whole gathering ground of a river system (Shorter Oxford English Dictionary 1965).
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weed
plant which is competitive, persistent, pernicious and interfering with man and his activities.
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weeds
Plants (not necessarily alien) that grow in sites where they are not wanted and have detectable negative economic or environmental effects. ...
Synonyms :harmful species {of plants}; plant pests; problem plants |
weeds
Plants (not necessarily alien) that grow in sites where they are not wanted and which have detectable economic or environmental impact or both.
Synonyms :harmful species; pests; problem plants; ~ noxious plants |
weeds
Plants (not necessarily alien) that grow in sites where they are not wanted and which usually have detectable economic or environmental effects ...
Synonyms :plant pests; harmful species {of plants}; problem plants |
wild
Any conditions in which organisms can disperse to other sites or can breed with individuals from other populations (e.g. by dispersal of pollen, or visitation by these individuals from other populations) (this is based on NCC 1990).
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wild
test
Synonyms :test |
wood
A commodity class for round wood, sawn wood, wood chips or dunnage, with or without bark [FAO, 1990; revised ICPM, 2001]
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wood packaging material
Wood or wood products (excluding paper products) used in supporting, protecting or carrying a commodity (includes dunnage) [ISPM No. 15, 2002]
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