Showing posts with label loss of biodiversity. Show all posts
Showing posts with label loss of biodiversity. Show all posts

Monday, November 19, 2007

Magical Melodies And The Songs Of Pain.

"A Japanese whaling fleet has set sail aiming to harpoon humpback whales for the first time in decades. The fleet is conducting its largest hunt in the South Pacific - it has instructions to kill up to 1,000 whales, including 50 humpbacks." - BBC News Nov 18 2007

Have you ever heard the songs that whales sing? You can listen to them here and you will realise that they sing some of the most beautiful songs on Earth. The songs are an amazing phenomenon, highly structured and at any one time, all the males sing the same songs using the same sounds arranged in the same pattern. These haunting songs travel many kilometres and can even be heard above the surface and consists of intricate vocalisations ranging from high squeaks to low growls, with many at a frequency so low that they are inaudible to humans.

The Singer of The Sea - the endangered humpback whale - produces the most varied songs in the animal world, with each lasting 10-15 minutes and can be repeated without pause, for hours. The largest of the whales, the blue whale, can sing for 10 hours.

But the songs they sing, with the latest announcement by Japan, will no longer be songs of joy but of pain.

“If we can imagine a horse having two or three explosive spears stuck in its stomach and being made to pull a butcher's truck through the streets of London while its blood pours into the gutter, we shall have an idea of the method of killing whales." - "Troubled Waters," a March 2004 report by Whale Watch.

The main method of killing whales is insanely inhuman and cruel. Using a grenade-tipped harpoon fired from a cannon mounted on the brow of a ship, the harpoon penetrates about 30cm into the whale before detonation. The aim is to kill the animal through neuro-trauma induced by the blast-generated pressure waves of the explosion. And if this fails, which is more often the case, a second harpoon is fired.

Given their sheer mass, complex vascular systems, their adaptations for diving and the constantly moving environment of the sea, killing them swiftly is impossible. Whales, when hit with an exploding harpoon, can take up to an hour or more before dying with the majority likely to suffer a slow and painful death.

In the Faroes Islands, whole families of whales - including pregnant mothers, lactating females, youngsters and foetuses - are butchered by the islanders in a carnival-like atmosphere. Islanders in motorboats first drive and round-up the terrified and confused whales into a shallow bay where the bloodbath begins.

The islanders repeatedly jab 2.2 kg metal poles into the living flesh of each whale until the hooks hold. A 15 cm knife is then used to slash through the blubber and flesh to the spinal column followed by the severing of the main blood vessels. The blood-stained bay is soon filled with horribly mutilated and dying whales, screaming in agony.

Despite a worldwide ban since 1986, about 30,000 whales have been killed by the 3 whaling nations - Japan and Iceland under the guise of "scientific research"- while the meat and by-products from the slaughtered whales are sold for profit - and by Norway as commercial hunt. The numbers of whales killed in recent years are among the highest since the moratorium went into effect and they continue to increase.

More shockingly, this unsanctioned killing is happening in the protected waters of Antarctica’s Southern Ocean Marine Sanctuary, blatantly defying international law. Japan and Iceland ability to continue hunting whales with such blatant disregard for international law is because they are exploiting a loophole in the international ban that permits killing whales in the name of scientific research. But the painful slaughter of whales is totally unnecessary as it does not benefit science, whales or people.

Despite claims of killing whales in the name of science, Japanese whaling isn’t about science at all and is simply commercial whaling in disguise.

Non-lethal methods to study whales already exist such as photo identification, tagging, DNA analysis and observation experiments. Data from satellite tagging of whales, harmless skin biopsies and fluke identification has already yielded valuable information about the migration patterns of whales, without a single harpoon being fired. In fact, the International Whaling Commission (IWC) has clearly stated it does not need the data obtained from killing whales and has passed forty-one resolutions critical of Japan’s research whaling program.

As a food source, it is a known fact that whale meat is often extremely toxic and is dangerous to eat. Whales accumulate environmental pollutants that bond with their blubber, such as polychlorinated biphenyl (PCBs) and dioxin, and also heavy metals such as methylmercury. The effects on humans who consume contaminated whale meat or blubber include cancer, nerve damage, reproductive and developmental disorders, immune system suppression and liver damage, to name a few.

With the whales' natural low reproductive rates and already facing long-term debilitating effects on their communication, social behaviour and foraging habits arising from chemical pollution, noise pollution, increasing shipping traffic and oil and gas exploration, it is imperative that all governments condemn and stop the needless slaughter of whales by Japan, Iceland and Norway, with the ultimate objective of banning this barbaric practice entirely. A complete and permanent ban would also stop the exploitation of the loophole in International Whaling Commission rules and exceptions by the pro-whaling nations.

These majestic cetaceans are the largest animals that have ever existed, far larger than any dinosaur that have roamed the Earth and are highly evolved animals with a complex social life. Whales are sensitive, social animals - they call out to each other over the vast expanses of the oceans - with highly developed nervous systems and have a profound capacity to suffer distress, terror and pain. The killing of whales is unjust, terribly inhuman and has no place in modern civilised society.

Living whales are far more valuable to us and a joy to behold. We should allow them to sing their songs of joy again.

*Sources :
- Whale Trust
- Whale Watch
- Stop Whaling
- Green Peace
- Humane Society of United States

*Catch the latest updates about Japan's whaling mission :
- Greenpeace.org
- GlobalNewsBlogger

*Related post : Man And The Loss Of Biodiversity





Saturday, November 17, 2007

Man And The Loss Of Biodiversity.

"Current documented rates of extinction of species are estimated to be roughly 100 times higher than typical rates in the fossil record." - United Nations GEO4 report.
Golden Mahseer
Have you ever seen the golden mahseer before? The majestic fish, known to reach 2.75m in length and 60 kg in weight, is no ordinary fish. Lying at the top of the food chain, the golden mahseer is the emperor of the freshwater fish species inhabiting the mountain streams of the Himalayas. But in recent years, its population have been declining rapidly because of net and dynamite fishing, damming and pollution of the rivers it depends on.

Living often in the same habitats as the golden mahseer is another species which was suddenly found this year to be highly endangered - the gharial, or fish-eating crocodile. With increasing human encroachment into their habitats and as gharials compete directly with people for fish in the rivers they inhabit, there are now only an estimated 200 breeding adults left in the wild as compare to about 10,000 in the 1950s.

Ghavial
Like the golden mahseer and gharial, thousands of species are dying worldwide, often unacknowledged because they are not cute or cuddly. Some, like the Sumatran Rhino, are functionally extinct in the wild - meaning their population is so low and so widely scattered that breeding is no longer possible.

A recent update of endangered species by the Swiss-based World Conservation Union in September concluded that more than 16,000 species are in danger of being extinct - 188 more than last year. In Europe, more than a third of the continent's 522 freshwater fish species face extinction due to overfishing, pollution and damming which have caused rivers to dry up. The European eel, which reproduces only once in 20 years, is critically endangered and the population of jarabugo, a freshwater fish found only in Spain and Portugal, has declined by more than 50 per cent in the past 10 years.

Golden Headed Langur
Hong Kong's Ocean Park Conservation Foundation released findings recently that showed 79 species of freshwater turtles - 80 per cent of the turtle family in Asia - are endangered. Asia alone has 11 primates, including the Hainan black-crested gibbon and Siau island tarsier, on the endangered list. In Vietnam, the population of the beautiful golden-headed langur has declined drastically - down from thousands of animals two generations ago to only 65 today.

While species extinction is a natural part of Earth’s history, numerous studies have clearly
shown that human activity is accelerating the extinction rate by at least 100 times. The causes of this rapid and widespread loss of biodiversity, with entire species in the air, on land, in freshwater and in our seas and oceans disappearing, includes loss of ecosystems from large scale conversion of natural forests for use in agriculture, industry and towns, changing the geography and hydrology of river systems with dams and reservoirs, over-exploitation of natural resources for food and commercial trade, and pollution.

Hainan Black-Crested Gibbon
Biodiversity loss, as part of the food chain, has negative effects on several aspects of human well-being, such as food security, vulnerability to natural disasters, energy security, and access to clean water and raw materials. It also affects human health and social relations as it narrows the base for food and medicine.

This drastic loss of biodiversity is seriously impacting us if we are to survive as a species ourselves and it is now imperative that education on the importance of biodiversity be ramp up across all segments of our society. Further actions like habitat conservation, reduction in consumption and waste, recycling and promoting sustainable agricultural practices are needed to reverse this loss in biodiversity so that future generations can enjoy our priceless heritage.

*Sources :
- United Nations GEO 4
- World Conservation Union
- Hong Kong Ocean Park Conservation Foundation
- The Millennium Ecosystem Assessment
- GreenFacts. org

*Related post : A Planet In Peril