Birds: The Greatest Threat Our Birds Face Today - THREATS TO BIRDS OF WETLANDS-pigeon
The Greatest Threat Our Birds Face Today - THREATS TO BIRDS OF WETLANDS
In some region of the world more than 50% of peat land, marshes, riparian zones,
lake littoral zones and flood plains have been lost. In Southeast Asia 880,000 ha wetlands
have been converted for agriculture areas early 2000s. The cultivation of various crops
for bioenergy has increased rapidly since 2000.If current trends continue, land
requirements for biofuel production in 2030 are expected to be about 35 million hectares,
an area the size of Spain and France combined.
Introduced new species give negative impacts on the birds.
Wetlands serve as valuable materials infrastructure for agriculture providing reliable
water and fertile soils, but they are at risk from agriculture's growing demands for land
water. They are increasingly threatened by population growth, large scale development
and impacts of climate change.
Conversion of wetlands for commercial development, drainage schemes, extraction of minerals and peat, overfishing, tourism, siltation, pesticide discharges from intensive agriculture, toxic pollutants from industrial waste, and the construction of dams and dikes, often in an attempt at flood protection, are major threats to wetlands everywhere.
Worldwide there are now over 40,000 dams which alter the natural flow of water and impact on existing ecosystems. Whilst there is much debate about the need for dams to be built, WWF argues that development should be as sustainable as possible to ensure minimum negative impact on biodiversity.
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Aquatic plants provide good habitat for aquatic birds |
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| wetland are being converted into agriculture land |
Conversion of wetlands for commercial development, drainage schemes, extraction of minerals and peat, overfishing, tourism, siltation, pesticide discharges from intensive agriculture, toxic pollutants from industrial waste, and the construction of dams and dikes, often in an attempt at flood protection, are major threats to wetlands everywhere.
Worldwide there are now over 40,000 dams which alter the natural flow of water and impact on existing ecosystems. Whilst there is much debate about the need for dams to be built, WWF argues that development should be as sustainable as possible to ensure minimum negative impact on biodiversity.
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