نتایج جستجو برای: population growth parameters

تعداد نتایج: 1977652  

F. Kaymaram Gh. Vosooghi R. Gilanshahi, S. A. Taghavimotlagh S. M. R. Fatemi

The growth parameters, mortality rates and exploitation population dynamic parameters and exploitation rate of Psettodes erumei were assessed between July 2010 to June 2011 using length frequency analysis. The data were collected from landing sites of Jask, Bandar Abass, Kong and Qeshm Hormozgan province waters. Using total weight (W) and total length (TL) data, the length- weight relationship ...

Many efforts have been made to address the negative effects of sprawling urban expansion, which can be referred to as "smart growth" as a strategy for urban sustainability. The purpose of this study was to evaluate the impact of smart city growth on economic and social parameters in Isfahan. The present study is descriptive-analytical in terms of the type of research and is applied-developmenta...

Journal: :international journal of marine science and engineering 0
r. gilanshahi department of marine biology, science and research branch, islamic azad university, tehran, iran s. a. taghavimotlagh iranian fisheries research organization, p.o.box: 141556116- tehran, iran f. kaymaram iranian fisheries research organization, p.o.box: 141556116- tehran, iran s. m. r. fatemi department of marine biology, science and research branch, islamic azad university, tehran, iran gh. vosooghi department of marine biology, science and research branch, islamic azad university, tehran, iran

the growth parameters, mortality rates and exploitation population dynamic parameters and exploitation rate of psettodes erumei were assessed between july 2010 to june 2011 using length frequency analysis. the data were collected from landing sites of jask, bandar abass, kong and qeshm hormozgan province waters. using total weight (w) and total length (tl) data, the length- weight relationship ...

Journal: :Current anthropology 2009
Timothy B Gage Sharon DeWitte

The Agricultural Revolution accompanied, either as a cause or as an effect, important changes in human demographic systems. The consensus model is that fertility and mortality increased and health declined with the adoption of agriculture, compared to those for hunter-gatherers. Analysis of the agricultural transition relies primarily on archaeological and paleodemographic data and is thus subj...

Journal: :Archives of clinical neuropsychology : the official journal of the National Academy of Neuropsychologists 1999
G J Rey E Feldman R Rivas-Vazquez B E Levin A Benton

The development of culturally relevant psychological assessment tools and intervention procedures has not been commensurate with the rate of Hispanic population growth in the United States. The development of valid and reliable test measures for the assessment of this population must be based on empirical investigations. In this article, we present normative data on multiple measures from the B...

Journal: :Genetics 1991
M Slatkin R R Hudson

We consider the distribution of pairwise sequence differences of mitochondrial DNA or of other nonrecombining portions of the genome in a population that has been of constant size and in a population that has been growing in size exponentially for a long time. We show that, in a population of constant size, the sample distribution of pairwise differences will typically deviate substantially fro...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1969
R C Lewontin D Cohen

If a population is growing in a randomly varying environment, such that the finite rate of increase per generation is a random variable with no serial autocorrelation, the logarithm of population size at any time t is normally distributed. Even though the expectation of population size may grow infinitely large with time, the probability of extinction may approach unity, owing to the difference...

2008
Heather Koball Randy Capps William Kandel Jamila Henderson

The number of Latino immigrants in rural areas has increased substantially since 1990. Furthermore, many Latino immigrants are moving to rural communities in the Southeast, Midwest, and Northwest, which historically have not been immigrant destinations. This recent, rapid, and unexpected population growth in new rural destinations has focused public attention on immigration reform and fostered ...

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