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Sustainable Agriculture and the Environment in the HUMID TROPICS
usufruct
The legal right of using and enjoying the fruits or profits of something belonging to another.
volunteer species
A plant that has grown from self-sown seed.
watershed
A region or area draining ultimately to a particular watercourse or body of water.
weed
An individual plant or species that grows where humans do not wish it to grow.
wetlands
Land or areas (as tidal flats and swamps) containing much soil moisture.
wild species
Species of flora or fauna that have not been domesticated or manipulated by humans.
woodlot
A restricted area of woodland, usually privately maintained as a source of fuel, posts, and lumber.
woody shrub
Shrubs rich in xylem and associated structures.
yield
The weight or volume of the economic part of a plant harvested during plant growth or at maturity.