Global forests.ppt

Global forests
Area, management, and ownership
Global forests
Data on world forest extent ,plantation extent ,and forest management and ownership provide the basis for monitoring the status of the world’s forest, as well as analyzing the effects of markets and government on those forests .
Global forests
1、forest types and areas
There are Plethora of definition and data about forest types and areas and ownership ,we summarize as below:
(1) Forest types
(2) Total forest areas
(3) planted forest types
(4) Forest management and protection
2、ownership
Forest types and areas (1) Forest types :
Forest can be consider as either closed or open (FAO 2001a ) .
Forest also could be divided in another way (FAO 2001a ) .
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Forest types and areas(2) Total forest areas
Overall ,information about the state of the world’s forests is scare. The FRA 2000 provides the current standard world land and forest area (FAO 2001a). Table give you this kind of information.
Forest types and areas
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Forest types and areas(3) Planted forest types:
Different kind of data, when available ,puted to estimate the Planted forest area reported in table .
Forest types and areas
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Forest types and areas (4) Forest management and protection:
Timber is the major market-based forest product and a primary reason for actively managing forests
Overall ,43% of all forests have some type of management plan (table ) though it does not necessarily indicate intensive management。
The role of the world’s forests in supplying nontimber products and service is increasingly recognized .About 12%of the world’s forests are legally protected .
Forest certification is on the rise .