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Low Frequency Active Sonar Affect Whales, Dolphins and Other Sea Life

The United States Navy and NATO have been using and testing Low Frequency Active Sonar (LFAS) to detect enemy submarines. Many dolphins and whales who use their own sonar to navigate the oceans have been severely affected. The sound is so loud (over 235dB) that it can and kill and maim whales, dolphins and sea life. LFAS is known to be harmful to humans as well.
Some whale and dolphin strandings are believed to be due to military sonar (Image source: Wikipedia beached humpback and beached orca)
Global protesting and four lawsuits have convinced the US Navy to end its Low Frequency Active Sonar (LFAS) tests early in the waters off Hawaii. In many places, the general public has reacted strongly to the damage inflicted on marine life and the protest is growing fast as more people become aware of the tests. The campaign still goes on to ensure awareness is raised.
Unfortunately, tests still continue and whales and other marine animals are thought to have been being killed as a result. And, according to environmental organization, Natural Resources Defense Council, “the U.S. Navy is now seeking the power to exempt itself from environmental laws” that are designed to address this concern. (See also this link for additional information.)
For more on LFAS:

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Species at risk elsewhere

Species at risk elsewhere

While the documentary mentioned above focused on Cameroon, other places in Africa and around the world also show similar relationships between poverty, consumption, and environmental destruction.
Orangutans are found in Indonesia and Malaysia. Indonesia in 
particular is rich in biodiversity
Image source: Wikipedia
The fourth most populous country, Indonesia, houses 10 percent of the earth’s remaining tropical forests. Not only are forests depleting year by year, but species that depend on the forests are also disappearing, and these species are needed to ensure a stable ecosystem.
The “person of the Forest”, or Orangutan, is one such species at risk due to corruption, excessive logging and poaching. Palm oil plantations have recently been increased because of world demand and their use as biofuels. Mining and fragmentation by roads are other problems they face.
Other species at risk in Indonesia include the Sumatran Tiger, Sumatran and Javan Rhino and the Asian Elephant.
See the following for some more information on related issues:

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Poverty and Conservation; Need to address root causes

Poverty and Conservation; Need to address root causes

Chimpanzees and
 other apes at risk from shrinking habitats
Image source: Wikipedia
On April 16, 2003, Britain’s BBC aired an award-winning documentary titled Ape Hunters, about how apes in Central Africa are being hunted for their bushmeat, almost to extinction.
The documentary also explored the inter-relationship and challenges between
  • Commercial logging
  • Increased bushmeat consumption, and
  • How poachers fared when offered sustainable development as an alternative to hunting
The documentary highlighted that while in the wealthier parts of the world we see conservation as desirable and easily recognize the importance and urgency of protecting the rapidly declining numbers of the great apes, what is less recognized are the complex multitude of causes, of which the wealthy world also plays a negative part. In effect, it has been easier to blame “others” and almost ignoring our own impacts.
That is, as well as hunting for bushmeat leading to concerns about dwindling numbers of animals, the causes of the increase in bushmeat consumption need understanding.
For example, in small villages on the frontiers of the forest, individual bushmeat consumption has been part of local customs for a long time, as there are no domesticated animals, and the forest has been the source of survival for villagers, for most of their requirements.
However, increased poverty in nations such as Cameroon has forced more villagers to the bigger cities to look for work. This has brought the custom of bushmeat consumption to a larger population, thus increasing demand for it.
Commercial logging in Cameroon and elsewhere has threatened 
forest-dwelling animals with habitat loss
Image source: Wikipedia
In addition, increased commercial logging (about 50% of the timber goes to Europe, the documentary pointed out) has resulted in dense forest being opened up allowing hunters and poachers to go further into the forest than ever before.
Bushmeat hunting is more profitable than other options, even though some hunters pointed out that if there were other options, they would not hunt. Occasionally, illegal logging and commercial logging company employees such as truckers have also been involved in illegal trading of bushmeat.
Sustainable development alternatives have been attempted. For example, projects have promoted the protection of the apes, rather than hunting. This has been through encouraging and provide real incentives for hunters themselves to protect the apes. A focus has been to attract tourists, who would be willing to pay to see these animals in the wild, thus sustaining the people and paying for conservation and other measures.
Hopetoun falls, Australia; an example of trying to preserve nature while allowing tourism. (Source: Wikipedia)
Although this approach has proven successful in other places, it is unfortunately not always guaranteed to work. The documentary followed some former-hunters who were attracted to the idea, but also highlighted the difficulties in this. For example:
  • Causes of poverty were still not being addressed, so it was hard for people to go for alternatives.
  • To pay former hunters, the projects of course needed proof that these people were indeed attempting to find the apes and allow those apes to slowly get familiar and accustomed to humans, so that tourists could eventually be guided in. However, the challenge of often finding and photographing these apes in the dense jungle would sometimes seem futile.
  • Although there were successful sitings and eventual interaction, the promise of tourists has not materialized, and so funding was dwindling.
  • The villagers had also been encouraged to grow small plots of cash crops, such as cassava and plantain. As these were growing near the forests, occasionally a group of apes would destroy those crops in their search for food, causing anger amongst the villagers whose immediate survival depended on those crops, as many people would go hungry otherwise.
In detailing the impact of the logging companies in opening up the forests for increased destruction of habitat and more poaching, some African development organizations also pointed out that western consumer life styles therefore had an impact on the dwindling numbers of apes, because those demands fuel a lot of deforestation.

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Declining Number of Rhinos


Rhinos are critically endangered
Although almost all species of rhinos have been recognized as critically endangered for many years, the conservation organization, the International Union for Conservation of Nature (IUCN) notes that rhino poaching worldwide is poised to hit a 15-year-high driven by Asian demand for horns.
As with the killing of sharks just for their fins, whereby the body is discarded once the fin is cut off the shark, rhinos are often killed just for the horns. In some Asian countries it is wrongly believed the horns have medicinal value.
The IUCN is finding some 3 rhinos a month are being killed. In some places that number is even higher. In Africa, the total rhino population is estimated to be around 18,000 and in India/Nepal only 2,400.

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Declining Number of Lions

Declining Number of Lions

Image source: Wikipedia
And another iconic animal, the lion, is also dwindling in numbers. The BBC reports (October 2003) that fewer than 20,000 lions now survive in Africa, compared to 200,000 in the early 1980s.
Sport or trophy hunting was cited as a major cause, whereby males, older or younger, were often targeted. Another reason was the population pressures that have meant encroachment onto lands closer to lions.
Tourism has not really benefited the people of such communities, and so they do not see the benefit in preserving them.
With such prominent and iconic animals dwindling, what of other less emblematic creatures, the BBC also asks?

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Declining number of polar bears

The World Wildlife Fund for Nature lists toxic pollution, oil exploration, and hunting, as well as climate change, as the threats polar bears face.
Polar bears are found throughout the circumpolar Arctic on pack ice, along or near coasts, and on islands:
The situation has become dire enough for the Bush Administration in the US to propose to list the polar bear as threatened under the Endangered Species Act.
The polar bear depends on sea ice. (Source: Wikipedia)
This itself is an interesting turn of events as the Bush Administration has typically been reluctant to acknowledge concerns about climate change, and a lot of lobbying by environmental groups has led to this proposal.
Earlier in 2006, the World Conservation Union (IUCN) had already put the polar bear on their Red List of Threatened Species.

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Science and Sustainable Development


Over the past few years, Nature has presented articles on many aspects of sustainable development. This web focus brings together a wide selection of recent material, as well as news and features reporting from the Johannesburg summit.

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