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Welcome to my Web site!
The Disappearing Rainforests

- We are losing Earth's greatest biological treasures just as
we are beginning to appreciate their true value. Rainforests
once covered 14% of the earth's land surface; now they cover a
mere 6% and experts estimate that the last remaining rainforests
could be consumed in less than 40 years.
- One and one-half acres of rainforest are lost every second
with tragic consequences for both developing and industrial
countries.
- Rainforests are being destroyed because the value of
rainforest land is percieved as only the value of its timber by
short-sighted governments, multi-national logging companies, and
land owners.
- Nearly half of the world's species of plants, animals and
microoganisms will be destroyed or severely threatened over the
next quarter century due to Rainforest deforestation.
- Experts estimates that we are losing 137 plant, animal and
insect species every single day due to rainforest deforestation.
That equates to 50,000 species a year. As the rainforest species
dissapear, so do many possible cures for life-threatening
diseases. Currently, 121 prescription drugs sold worldwide come
from plant-derived sources. While 25% of Western pharmaceuticals
are derived from rainforest ingredients, less that 1% of these
tropical trees and plants have been tested by scientists.
- Most rainforests are cleared by chainsaws, bulldozers and
fires for its timber value and then are followed by farming and
ranching operations, even by world giants like Mitsubishi
Corporation, Gerogia Pacific, Texaco and Unocal.
- There were an estimated ten million Indians living in the
Amazonian Rainforest five centuries ago. Today there are less
than 200,000.
- In Brazil alone, European colonists have destroyed more than
90 indigenous tribes since the 1900's. With them have gone
centuries of accumulated knowledge of the medicinal value of
rainforest species. As their homelands continue to be destoyed
by deforestation, rainforest peoples are also dissappearing.
- Most medicine men and shamans remaining in the Rainforests
today are 70 years old or more. Each time a Rainforest medicine
man dies, it is as if a library has burned down.
- When a medicine man dies without passing his arts on to the
next generation, the tribe and the world loses thousands of
years of irreplaceable knowledge about medicinal plants.
The Wealth of the Rainforests
- The Amazonian Rainforest covers over a billion acres,
encompassing areas in Brazil, Venezuela, Colombia and the
Eastern Andean region of Ecuador and Peru. If Amazonia were a
country, it would be the ninth largest in the world.
- The Amazon Rainforest has been described as the "Lungs of
our Planet" because it provides the essential environmental
world service of continuously recyling carbon dioxide into
oxygen. More than 20 percent of the world oxygen is produced in
the Amazon Rainforest.
- More than half of the world's estimated 10 million species
of plants, animals and insects live in the tropical rainforests.
One-fifth of the world's fresh water is in the Amazon Basin.
- One hectare (2.47 acres) may contain over 750 types of trees
and 1500 species of higher plants.
- At least 80% of the developed world's diet originated in the
tropical rainforest. Its bountiful gifts to the world include
fruits like avocados, coconuts, figs, oranges, lemons, grapefuit,
bananas, guavas, pinapples, mangos and tomatoes; vegetables
including corn, potatoes, rice, winter squash and yams; spices
like black pepper, cayenne, chocolate, cinnamon, cloves, ginger,
sugar cane, tumeric, coffee and vanilla and nuts including
Brazil nuts and cashews.
- At least 3000 fruits are found in the rainforests; of these
only 200 are now in use in the Western World. The Indians of the
rainforest use over 2,000.
- Rainforest plants are rich in secondary metabolites,
particularly alkaloids. Biochemists believe alkaloids protect
plants from disease and insect attacks.Many alkaloids from
higher plants have proven to be of medicinal value and benefit.
- Currently, 121 prescription drugs currently sold worldwide
come from plant-derived sources. And while 25% of Western
pharmaceuticals are derived from rainforest ingredients, less
than 1% of these tropical trees and plants have been tested by
scientists.
- The U.S. National Cancer Institute has identified 3000
plants that are active against cancer cells. 70% of these plants
are found in the rainforest. Twenty-five percent of the active
ingredients in today's cancer-fighting drugs come from organisms
found only in the rainforest.
- Vincristine, extracted from the rainforest plant,
Periwinkle,
is one of the world's most powerful anticancer drugs. It has
dramatically increased the survival rate for acute childhood
leukemia since its discovery.
- In 1983, there were no U.S. pharmaceutical manufacturers
involved in research programs to discover new drugs or cures
from plants. Today, over 100 pharmaceutical companies and
several branches of the US government, including giants like
Merck and The National Cancer Institute, are engaged in plant
research projects for possible drugs and cures for viruses,
infections, cancer and even AIDS.
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Website
Plan
Title/ Topic:
Rainforests in Australia.
Target Audience:
Year 8 Students
pPurpose/ Objective:
To educate students on the various ecosystems in Rainforests and the
various threats to Rainforests in Australia.
This web site plane will be special for teaching
secondary students yr8. The topic is rainforests in Australia. Students
will learn environmental awareness knowledge of the various ecosystems
in rainforests and the various threats to rainforests in Australia. In
this website students are expected to gain knowledge and develop
understanding related to the rainforest in Australia.
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