نتایج جستجو برای: variation in growth
تعداد نتایج: 17145802 فیلتر نتایج به سال:
Earlier studies on seasonality have shown greater height gain in children spring and has been attributed to the effect of melatonin, glucocorticoid receptor pathway, ghrelin a number other factors growth hormone. This study aimed find seasonal variations velocity Asian Indian between 3 18 years age. was longitudinal prospective conducted 16 schools preschools NTR district Andhrapradesh, India. ...
Masami Fujiwara*, Bruce E. Kendall and Roger M. Nisbet Department of Ecology, Evolution and Marine Biology, University of California, Santa Barbara, CA, USA Donald Bren School of Environmental Science and Management, University of California, Santa Barbara, CA, USA *Correspondence: E-mail: [email protected] Abstract It has long been recognized that variability in animal size is affected...
Growth and body height have always been interesting topics in the public opinion. Particularly the stupendous increase of some 15 to 19 cm in final adult height during the last 150 years in most European countries (the “secular trend”), the concomitant changes in body and head proportions, the tendency towards early onset of sexual maturation, the changes in the age when final height is being r...
Global circulation models predict and numerous observations confirm that anthropogenic climate change has altered high-frequency climate variability. However, it is not yet well understood how changing patterns of environmental variation will affect wildlife population dynamics and other ecological processes. Theory predicts that a population's long-run growth rate is diminished and the chance ...
The origin of variation in animal growth rate and body size is not well understood but central to ecological and evolutionary processes. We develop a relationship that predicts the change in relative body size variation within a cohort will be approximately equal to the relative change in mean per unit size growth rate, when only size-dependent factors affect growth. When modeling cohort growth...
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