Land clearing in amazon rainforest

We have grown to become the leading US organization working to prevent the use of tropical hardwoods by US governments, corporations and individuals. To date, we have prevented the use of 11 million board feet of imminent or proposed dimensional tropical hardwoods as well as hundreds of thousands of cubic feet of plywood and tens of thousands of pieces of furniture made of rainforest wood see our Successes.

Land clearing in amazon rainforest

Half of the world's wetlands were lost last century. Logging and conversion have shrunk the world's forests by as much as half. Some 9 percent of the world's tree species are at risk of extinction; tropical deforestation may exceedsquare kilometers per year.

Fishing fleets are 40 percent larger than the ocean can sustain. Nearly 70 percent of the world's major marine fish stocks are overfished or are being fished at their biological limit.

Soil degradation has affected two-thirds of the world's agricultural lands in the last 50 years. Some 30 percent of the world's original forests have been converted to agriculture. Sincethe global economy has tripled in size and population has grown by 30 percent to 6 billion people.

Dams, diversions or canals fragment almost 60 percent of the world's largest rivers. Twenty percent of the world's freshwater fish are extinct, threatened or endangered. People and Ecosystems, the Fraying Web of Life United Nations Development Programme A pioneering analysis of the world's ecosystems reveals a widespread decline in the condition of the world's ecosystems due to increasing resource demands.

The analsysis, by the World Resources Institute WRI warns that if the decline continues it could have devastating implications for human development and the welfare of all species.

Land clearing in amazon rainforest

The analysis examined coastal, forest, grassland, and freshwater and agricultural ecosystems. The health of the each ecosystem was measured, as based on its ability to produce the goods and services that the world currently relies on.

The analysis shows that there are considerable signs that the capacity of Earth's ecosystems to produce many of the goods and services we depend on is rapidly declining.

To make matters worse, as our ecosystems decline, we are also racing against time since scientists lack baseline knowledge needed to properly determine the conditions of such systems. New Analysis of World's Ecosystems Reveals Widespread Decline ENN Will our great- grandchildren inherit a desiccated husk of a once shimmering planet, and curse us for a legacy of droughts, plagues,storms and hardscrabble moonscapes?

The four-fold increase in humans and the advent of the consumer society - have made the end of the millennium a cusp of history.

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Affluent consumers in Hong Kong want exotic fish and presto! Poachers in the Philippines destroy vital reefs to meet that demand. Millions of workers in China and Russia are plagued with pollution-related ailments.

We need your help to ask President Barack Obama and the Environmental Protection Agency to get working on a bold plan to curb ocean acidification. Carbon dioxide pollution is also being absorbed by the ocean, causing its chemistry to change and become more acidic.

This spells trouble for marine animals that are now having difficulty building shells, growing and sometimes even surviving in increasingly corrosive waters. Damian Carrington Seafood is the critical source of protein for more than 2. Official catch data from FAO rarely includes small-scale, sport or illegal fishing and does not count fish discarded at sea.

A more exhaustive study, taking over a decade shows that the annual catches between and were much bigger than thought, but that the decline after the peak year of was much faster than official figures. The new research estimates the peak catch was million tons, but declined at 1.

Prof Daniel Pauly, at the University of British Columbia in Canada and who led the work, said the decline is very strong and "is due to countries having fished too much and having exhausted one fishery after another.FOREST LOSS [ large medium small] Deforestation in the Brazilian Amazon, present percent of deforestation in the Amazon results from cattle ranches while the rest mostly results from small-scale subsistence agriculture.

Conversion of rainforest for cattle pasture is the single largest driver of deforestation in Brazil.

Land clearing in amazon rainforest

Clearing forest for pasture is the cheapest and easiest way to establish an informal claim to land, which can then be sold on to other parties at a profit. In some parts of the Brazilian Amazon, cleared rainforest land can be worth more than. Land Use and Agriculture in the Amazon Despite deforestation, the Amazon basin rainforest is the largest tropical forest in the world.

About RCF « Rainforest Conservation Fund

In Brazil, the largest Amazon country, approximately million square kilometers, or million hectares remain. million hectares are designated indigenous reserves and 25 million hectares as sustainable.

Agroforestry & Ethnobotany. The more useful and common plants that are found in the swidden-fallow agroforestry systems of the Tamshiyacu-Tahuayo region of Peru. The Brazilian Amazon region is an unique area.

It holds the world's largest rainforest (Butler b).This area is the one of the highly deforested areas in the world (Butler a).Some reasons for this are widespread agricultural and logging purposes.

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Deforestation in Brazil - Wikipedia