A (12) | B (11) | C (6) | D (11) | E (21) | F (9) | G (7) | H (2) | I (8) | K (1) | L (16) | M (5) | N (5) | O (2) | P (11) | Q (1) | R (2) | S (13) | T (1) | V (1) | W (8)
Title Definition
Environmentally sound

the maintenance of a healthy environment and the protection of life-sustaining ecological processes. It is based on thorough knowledge and requires or will result in products, manufacturing... read more

Flagship species

species, usually charismatic ones, that can serve as a symbol of nature and conservation, and be used as a logo or otherwise in fundraising and education by conservation organizations, such as the... read more


All non-woody plants (grass, grass-like plants, and forbs) and portions of woody plants (browse) available to domestic livestock and wildlife for food or harvested for feeding. Only a portion of a... read more

Forage Acre

An acre with a theoretical 100 percent cover of forage. A concept used to estimate grazing capacity.

Forage Acre Requirement

The amount of forage, expressed in forage acres or fractions thereof, needed to sustain a mature grazing animal for a specific period without injury to the range resource.

Forage Area

In habitat evaluation models, the percentage of a Habitat Analysis Unit not considered hiding cover or thermal cover.

Forage Production (Forage Yield)

The weight of forage that is produced within a Designated period of time on a given area. The weight may be expressed as green, air dry, or oven dry. The term may also be modified as to time of... read more

Forage, Green

Range forage consisting of all available and palatable live plant material and dead tips of growing grasses.


Land with tree crown cover (or equivalent stocking level) of more than 10 percent and area of more than 0.5 ha. [fn]Source:(EFI 2002) from European Forest Institute, Internal Report No. 6, 2002 "... read more

Forest certification

programs to audit and certify to consumers that wood and other forest products are produced in forests managed in environmentally and socially responsible or sustainable ways. [fn]Source: (USAID... read more


The breaking of the seed coat followed by the protrusion of the hypocotyl (that part of the axis of a plant embryo or seedling below the first leaf or pair or whorl of leaves developed by the... read more


(1) the use of grasses and other plants to feed wild or domestic herbivores such as deer, sheep and cows; (2) Consumption of range or artificial pasture forage by animals.

Grazing Capacity, Maximum

The maximum number of animals that a given range area is capable of supporting without inducing injury to soil, vegetation, or a watershed.

Grazing, Deferred Rotation

Discontinuance of grazing on various parts of a range in succeeding years, allowing each part to rest successively during the growing season to permit seed production, establish seedlings, or... read more

Greenhouse effect

the name given to the phenomenon by which transparent gasses of the atmosphere allow sunlight to warm the Earth's surface, and then prevent that warmth from escaping back into space. Like the... read more

Gross domestic product (GDP)

the statistical measure of the total economic value of all the goods and services produced by an economy in a given year. The size and rate of growth of GDP are often taken as indicators of the... read more

Ground Water

(1) Subsurface water occupying the saturation zone (where all openings in soils and rocks are filled), from which wells and springs are fed. The upper surface of this zone of... read more


The place or type of ecosystem in which a plant or animal species is commonly found. [fn]Source: (IISD 2005) from IISD website; http://www.iisd.org/sd/glossary.asp (updated: Aug 2005)[/fn]

Hazardous waste

a class of waste materials that poses immediate or long-term risks to human health or the environment and requires special handling for detoxification or safe disposal. Both industrial and... read more

ICARDA. International Center for Agricultural Research in the Dry Areas

The International Center for Agricultural Research in the Dry Areas (ICARDA) was established in 1977. It is one of 15 such centers supported by the CGIAR. ICARDA’s founding mandate to promote... read more