Morphological changes in a population of Sand MartinsRiparia ripariaassociated with fluctuations in population size
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چکیده
منابع مشابه
Fluctuations in a SIS epidemic model with variable size population
In an epidemiological model, time spent in one compartment is often modeled by a delay in the model. In general the presence of delay in differential equations can change the stability of an equilibrium to instability and causes the appearance of oscillatory solutions. In this paper we consider a SIS epidemiological model with demographic effects: birth, mortality and mortality caused by infect...
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15 صفحه اولPopulation pharmacokinetics of omeprazole in a random Iranian population
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15 صفحه اولChanges in Egg Size and Clutch Size with Elevation in a Wyoming Population of Mountain Bluebirds
Few studies have examined how avian life-history traits vary within populations as elevation increases and climate becomes more severe. We compared egg and clutch sizes of Mountain Bluebirds (Sialia currucoides) nesting at two elevations (1500 m and 2500 m above sea level) in the Bighorn Mountains of Wyoming over two years. Eggs laid by females at the high-elevation site were, on average, signi...
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ژورنال
عنوان ژورنال: Bird Study
سال: 1995
ISSN: 0006-3657,1944-6705
DOI: 10.1080/00063659509477149