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African bushmen are being given computers so they can use their skill at tracking wild animals to take part in a project that wi
African bushmen are being given computers so they can use their skill at tracking wild animals to take part in a project that wi
admin
2010-02-20
77
问题
African bushmen are being given computers so they can use their skill at tracking wild animals to take part in a project that will help conservation and tourism.
The project is being run by Louis Liebenberg, a South African tracking expert, who has teamed up with Lindsay Steventon, a computer expert. They are equipping bushmen with handheld PalmPilot computers so they can record sightings of animals in the wild. The computers, known as Cyber Trackers, can then be taken to a base and the information down loaded onto a PC.
The project will create a remarkable database for scientists, who will have wildlife information c6llated throughout the year by bushmen whose knowledge of local animals is unrivalled.
To make the system easy to use for the largely illiterate bushmen, each type of animal is given a screen icon that cone spends to its appearance. Different breeds of the same animal are stored as sub menus, again using icons to note their distinguishing features.
Once an animal is spotted and its icon is pressed, the tracker can make further observations about the creature. Option include the pace at which it is moving, what it is eating, whether it is fighting or sleeping, the condition of its droppings and its apparent state of health.
If only the tracks of an animal are spotted, the bushmen can enter details of the species and which direction it was moving in. This may lead to later sightings and additional data. When an entry is to be committed to the PalmPilot’s memory, the bushman presses a button and a GPS receiver stamps a position on the data. To ensure accuracy the tracker has to estimate how far away the animal is so its position and not his is recorded.
The bushmen will also use the PalmPilots to record water levels and how plants are faring. Fluctuations in either can harm animal populations.
When the PalmPilot is attached to a base PC, the sightings can be downloaded and displayed on its screen as lines showing the movement and behaviour of individual animals as well as groups. This allows movement and feeding patterns to be examined.
Liebenberg hopes that as well as building a useful research tool these maps will give guidance on where tourists should be taken to optimise their chances of seeing elusive animals such as leopards and rhinos.
"A tracker could check on the PC where the latest sightings have been recorded and get a good idea where the best place would be to take tourists, "he says. "It could mean that instead of having to pay for three days in the bush, tourists need only budget for two days. "
The system is now being tested on a small scale but Liebenberg says that it has already given more insight into changes in the feeding patterns of the desert species of the endangered black rhino.
"What happened before was that a scientist would come down from a university for a few days a year, make some observations and that would be it -- the total knowledge of rhino eating patterns," he says, "With the Cyber Tracker the bushmen were able to log where the rhinos were, what they were eating, and how much of that food was left. We found the rhinos change food every couple of months as a new type of plant flourishes. It was always assumed they ate the same sorts of leaves and grass after the end of the dry season."
"This has huge implications for rhino populations because the trackers’data can show which other animals are eating what the rhinos feed on. In this case it was kudu, a common type of antelope, which is often served in restaurants. In future, the park ranger will be able to look at the rhino population and what they are eating and , if there are too many kudu in the area, he can cull some so there is less competition for food. It may sound harsh, but kudu are common and this relative of the black rhino is not, so you don’t want them to start losing condition. ’
Steventon, who works for Microsoft in Seattle , wrote the software for the Cyber Tracker. He has thought about upgrading the system so it can send back data from the field but is wary about doing so.
"We would love to transmit data back by radio or satellite but we are worried it could be intercepted by poachers who would love to get their hands on this sort of information," he says.
The Kruger National Park, the main reserve in South Africa, is seeking funding to buy the system for its trackers. ’A group of researchers is already using Cyber Tracker in Namibia. In Zimbabwe it is employed to monitor trees whose bark is used by local people for basket weaving. Researchers want to lead them to trees that can withstand stripping while others re- cover.
To equip each researcher with a hand-help computer and the software should cost less than £ 500. The software in the base station will cost each national park £ 700.
The project was the brainchild of Liebenberg, who since a young age, has been captivated by the tracking skills of bushmen in his native South Africa. "When you consider one of these guys can look at a rhino print and identify the actual rhino it came from and whether it is injured, it seems crazy not to use their knowledge, "he says.
"We were a little worried about how they would take to the technology but they’ re unbelievably quick at getting to grips with it - far better than most of the park managers, who can be technophobic."
The Cyber Tracker project won $ 50,000 funding last week in the Rolex Awards for Enterprise. The initiative was one of five award-winning projects. The others covered sea-horse preservation, ancient Bolivian textile reclamation, safer kerosene lamps for houses without electricity and their first expedition to explore and map the caves at the southern end of Patagonia in Chile.
Which of the following statements does the passage support?
选项
A、The new scheme will eliminate the poaching in national parks.
B、Bushmen are too poorly educated to use modern technology.
C、Use of the CyberTracker will help to preserve rare animals.
D、The new system has doomed the kudu population.
答案
C
解析
该题问:本文支持如下的哪个陈述?A项意为“新计划将会消除在国家公园的偷窃”,文中没有提到。B项意为“丛林居民受的教育实在太少以至不会使用现代科技”,文中也没有提及。C项意为“网上追踪器的使用会帮助保护稀有动物”,这是本文所要说明的主旨。故C项是正确的。D项意为“新系统注定要毁灭捻群(一种非洲大羚)”,文中没有提及。
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