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ObjectiveTo assess the nutritional quality of lunchtime food consumption among elementary-school children on Prince Edward Island according to the source of food consumed (home v. school).DesignStudents completed a lunchtime food record during an in-class survey. Dietary adequacy was assessed by com...
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In Prince Edward Island, Canada, acetic acid treatments that are used to control the clubbed tunicate (Styela clava), a fouling pest on mussel lines, may also affect other epifaunal mussel sock species, including potential tunicate predators. We studied the effect of acetic acid treatment on two pot...
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The article discusses the carnivorous plant the Purple Pitcher Plant, or Sarracenia purpurea L., on Prince Edward Island. It focuses on research at the University of Prince Edward Island (UPEI) on the Purple Pitcher Plant, noting its presence in bogs such as the Glenfinnan Bog. The author comments o...
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The relationship between S. purpurea and its inquilines in northeastern North America is reviewed. Wyeomyia smithii, Metriocnemus knabi and Blaesoxipha fletcheri dominate the insect community of S. purpurea. All 3 are detritivores and feed on the arthropod prey attracted to the pitcher plant. They c...
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In the mid 1970s, Manitoba Hydro impounded Southern Indian Lake (SIL) and diverted much of the flow of the Churchill River, which flowed through SIL, into the Nelson River Catchment for hydroelectric power generation. A dramatic decline in burrowing mayfly (Hexagenia ) populations following lake man...
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1. The life histories and population dynamics of the burrowing mayflies Hexagenia limbata and H. rigida were examined from 1986 to 1988 in four regions of an impounded lake in northern Manitoba, Canada. 2. Bottom temperatures reached 15-20-degrees-C, but ice-free periods of 4-6 months resulted in an...
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Emerging insects were monitored every 10 days between early May and late August 1993, from tidal pools in three coastal salt marshes on Prince Edward Island, Canada. The salt marsh pools ranged from about 1 m(2) to > 1,000 m(2) in surface area, and had salinities ranging from 11-27parts per thous...
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High levels of azinphos-methyl (0.4–0.8 μg/L) were detected in the Wilmot River, Prince Edward Island, Canada, following runoff from an agricultural field after a heavy rainfall on 19 July 2002. Benthic macroinvertebrate abundance and diversity were sharply lower in samples collected 1 d after th...
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Egg development was investigated for Hexagenia limbata (Serville) from Southern Indian Lake (SIL) in northern Manitoba, Canada. The SIL population is located near the northern range limit of H. limbata, and some important differences in hatching dynamics were seen in comparison with southern populat...
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