Hello Keith and All ;
Doing lots of surfing on my painfully slow connection
to try to figure out the principles involved in
converting a standing native forest to a multi-purpose
one. Huge amounts of info on what to do with cleared
land. A few tidbits on how to convert land that has
not been cleared. Continuing the search.
>From "Agrofrestry Guides for Pacific Islands - Non
Timber Forest Products for Pacific Islands"
"Plant productivity in forests can be improved in
several ways. For example, selective weeding around
valued species can improve the plant's growth and
yield. Enrichment plantings of the key NTFP (non
timber forest product) species in the forest can boost
existing populations in order for supply to keep up
with demand. In some case, selective felling of trees
may be used to open the canopy and stimulate seedling
growth. Propagating seeds or cuttings from plants
known to have superior growth and yeilds can improve
the productivity of the resource over time."
And from "Agrofrestry Guides for Pacific Islands -
Economics of Farm Forestry : Financial Evaluation for
Landowners" :
"Site preparation involves clearing the land for
reforestation activities. Costs for preparation vary
greatly depending on the condition of the site.
Pasture is often the least expensive to prepare for
forestry, while rough broken land such as lava flow
can be very expensive. Sites with dense, woody
vegetative cover can also be costly to prepare. Land
formerly used for sugarcane or other industrial crops
may require clearing as well as ripping with a
bulldozer in order to break through compacted soil
layers."
Once again, I'm finding huge amounts of info on ally
cropping, wind breaks, nitrogen fixing trees, multi
species tree farming, etc, etc,, but almost every
example appears to start with cleared land.
Continuing to search, but so far the best option looks
like selective felling. Clear cutting was something I
was hoping to avoid.
Best Regards,
Peter G.
Thailand
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