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63.895  Articles
1 of 6.391 pages  |  10  records  |  more records»
Africa will account for 80 percent of the 4 billion increase in world population by 2100. A demographic transition with an increase in its working age population provides a window of opportunity which if reaped will lead to a “demographic dividend” for ac... see more

The historical and current dynamics of the three Atlantic walrus (Odobenus rosmarus rosmarus) populations that occur in Greenland are estimated using age- and sex-structured population models with exponential growth, density-regulated growth and selection... see more

Nyczepir, A. P. 2009. Dynamics of concomitant populations of Pratylenchus vulnus and Meloidogyne incognita on peach. Nematropica 39:273-279. The effect of the interaction between Meloidogyne incognita and Pratylenchus vulnus on nematode reproduction and v... see more

The historical and current dynamics of the three Atlantic walrus (Odobenus rosmarus rosmarus) populations that occur in Greenland are estimated using age- and sex-structured population models with exponential growth, density-regulated growth and selection... see more

Few studies are available on the population dynamics of medium and large mammals in gallery forests of the Sudan and Sahel regions of West Africa.  Line-transect studies of the abundance (estimated by KIA) of nine species of ungulates and three speci... see more

Monarthropalpus buxi (  Diptera: Cecidomyiidae) has been described for the first time by Rubsaamen in 1982 (Perju et al., 2001). It is a monophagus species developing on Buxus sempenvirens as its dendrological species, which plays host ... see more

Background: The population of mosquitoes is mainly influenced by the biotic and abiotic factors. Although Aedes aegypti was reported until 1960’s in the Punjab, Pakistan, the population has increased dramatically since 2009 and caused severe epidemics in ... see more

We have researched the population dynamics of Brachyiulus jawlowskii Lohmander, 1928 in the arena of the Dnepr river (within the "Dnieper-Orilsky” Nature Reserve) and also present a full picture of the habitat distribution of Julidae within the researched... see more

El análisis de la dinámica demográfica de los 94 municipios con costa de Cuba ha permitido obtener las siguientes regularidades; el 50 % de los municipios costeros a partir de 1990 y hasta 2010 manifiestan una tendencia marcada al crecimiento. De sus comp... see more

1 of 6.391 pages  |  10  records  |  more records»