Tucson Daily Citizen from Tucson, Arizona on May 17, 1967 · Page 6
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Tucson Daily Citizen from Tucson, Arizona · Page 6

Tucson, Arizona
Issue Date:
Wednesday, May 17, 1967
Page 6
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T U C S O N D A I L Y C l i l i f e N WEDNESDAY, MAY 17,194? Will Affect Marine Life So Declares UA Zoologist If a nuclear water-desalting and power-generating plant is built on northern shore of the Gulf of California, it is certain to affect the marine life of the gulf, but there is not enough experience to , forecast what changes will be produced, says Dr, Donald A. Thomson. An assistant professor of zoology at the University of Arizona and a marine biologist, Thomson has been studying marine life in the Gulf of California mainly at Rocky Point for three years. The University of Arizona and the University of Sonora at Hermosillo have cooperated in a marine life study station at Rocky Point, 220 miles south- w e s t of Tucson. Summer classes are held there. '.'I have no knowledge," Thomson said at an Arizona-Sonora Desert Museum lecture last night at the Physics-Math- Meteorology Building on the UA Campus, "that Mexico has decided even on a site for a desalting and electrical generating plant." But 20 miles south of El Golfo, near the mouth of the Colorado River, there are survey stakes and signs indicating the area is considered for a nuclear desalting plant site, Thom- son.said. If it is proposed to produce 1 billion gallons of fresh water a day from the Gulf of California, Thomson said, that means 5 billion gallons of water will have to be pumped from the gulf and 4 million gallons of water returned.. The returned water will be hotter, more salty and. contain less oxygen than the normal state of water in the Gulf of California -- where s u r f a c e temperatures vary between winter and summer from 65 to 95 degrees Fahrenheit. Even slight changes in water temperature will affect marine life, for most marine life lives near the upper limit of the lethal temperature, Thomson said. He said the waste water might be 105 degrees because of land temperatures and heat ing- Arizona has a big stake. in the Gulf of Mexico, although it lies wholly in Mexico, Thomson said.-.Tucson and Phoenix both are closer to Rocky Point's fishing,.for instance, than many cities of California to the Pacific coast.:. Moreover, the gulf provides an opportunity for UA students to have training in marine biology for careers. And joint Arizona-Sonora projects further mutual understanding and cooperation between Mexico and the United States, an important factor in the whole picture of Latin-American relations. Lake Powell To Lose 24 Ft. SALT LAKE CITY (AP) Scant precipitation this winter and spring on the upper Colorado River basin will mean a net loss of 24 feet this year in Lake Powell behind Glen Canyon Dam, the U.S. Bureau of Reclamation said today. Glen Canyon Dam is in northern Arizona, but most of its reservoir is in Utah. The bureau said there will be similar losses in other major Colorado River system reservoirs, including downstream Lake Mead. NOW Etsy 60 month pfw w ywr food credit $88 (Jown tokts your pick of hundreds of new end used cars and trucks.See PUEHO POM today. There's Mly OM...22MI ONTGOMERY WARD STARTS WIDNESDAY, MAY 17th r" w N$/ NOW $ 140 OFF Western Field Vacationeer-sleeps 4 in dry off-the-ground comfort! $ Enioy camping more... whether it's weekend or summcr-Iong.The 7x11 -ft. "Vacationeer" trails behind your car at a low 37 in. for full rear vision. Set it up completely ,n just minutes. 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