villages that will be flooded

hes Vietnam, exacerbating the problem of saltwater seeping into farming areas from the sea. A report published by the head office of the Mekong River Commission, the organization set up to coordinate dam projects on the river, described “fundamental gaps in knowledge” about how migratory fish would be affected by the dam. Experts hired by the commission estimated that the dam would curtail the migrations of anywhere from 23 to 100 species of fish. It described as “ineffective” a device proposed by the Thai construction company carrying out the project to allow fish to bypass the dam. And it said there was a “strong possibility” that one of the river’s most distinctive species, a giant catfish that can exceed the weights of several full-grown men, would become extinct.



But perhaps most striking is the commission’s estimate that the dam’s ability to produce electricity will be severely compromised within a few decades because the dam’s reservoir will fill up with silt. (The plan calls for a generating capacity of 1,285 megawatts, enough to power a small or medium-size city; most of the electricity will be sold to Thailand under an agreement already signed between the dam’s builder and a Thai utility company.) “It is expected that under proposed operating conditions, the reservoir would effectively lose about 60 percent of its capacity due to sedimentation after 30 years,” the commission’s report says.



Thus, critics say, the dam will have permanent consequences for life in the river, including possible extinction of larger species, but may only produce several decades of electricity. The Laotian government has responded to questions and criticisms about the dam with a stout defense of the project. The dam, which is situated between steep hills and will span a distance of about eight football fields, will have the same impact as a “natural waterfall,” the government said in response to the report by the Mekong River Commission.

Embracing hydropower will alleviate the need for “big power plants which cause a lot of pollution,” the government said. “Hydropower project development which is a green energy shall be strongly promoted and supported,” it concluded in its response.

Landlocked and sparsely populated, Laos is counting on revenues from hydropower to help lift the country out of poverty and finance government programs.



The government says it plans to become “the battery” of Asia with a total of 70 hydroelectric projects, 10 of which are already in operation. The Xayaburi Dam would take seven years to build. CH. Karnchang, the Thai construction company carrying out the project, refused to allow a reporter to visit the proposed dam site. But it was possible to reach it by chartering a boat and walking several kilometers along the river bank. In villages near the dam site people seem divided about the project. The government has proposed moving people who live in villages that will be flooded by the dam’s reservoir to a spot farther upstream and says it will provide electricity, which they
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