At the meeting of the International Tropical Timber Organization held in Bali in 1990, ITTO adopted the target of ensuring that all tropical timber marketed internationally should, by the year 2000, come from forests that are managed sustainably.
At the meeting of the International Tropical Timber Organization held in Bali in 1990, ITTO adopted the target of ensuring that all tropical timber marketed internationally should, by the year 2000, come from forests that are managed sustainably.
Water ecosystems have long been perceived by decision makers as having little value simply because their economic value is poorly understood and rarely articulated. Calculating the economic value of an ecosystem is a means of providing information which can be used to make better and more informed choices about how resources are managed, used and allocated.
IUCN's 5th World Parks Congress (2003) concluded that parks should not exist as unique islands, but need to be planned and managed as an integral part of the broader landscape. Ecological networks provide an operational model for conserving biodiversity that is based on ecological principles and allow a degree of human use of the landscape.