2 edition of Population and biology found in the catalog.
Population and biology
|Statement||edited by Nathan Keyfitz.|
|Contributions||Keyfitz, Nathan, 1913-, International Union for the Scientific Study of Population.|
|The Physical Object|
|Pagination||316 p. :|
|Number of Pages||316|
For example, plants or animals occupying islands have a geographic range defined by the perimeter of the island. I remeber my first views of kudzu when I moved to central Georgia Population bottleneck is a reduction in the size of population for a short period of time. Genetic variation within local populations In sexually reproducing species, each local population contains a distinct combination of genes. Giant pandas eat an estimated 10, pounds of bamboo per panda per year. This textbook provides an introduction to the biology and ecology of populations by emphasizing the roles of simple mathematical models in explaining the growth and behavior of populations.
The environment is usually never uniform enough to support uniform distribution of a species. Density can have effects on interactions within a population such as competition for food and the ability of individuals to find a mate. Grammatical Errors I did not find any grammatical errors. Pollution Pollutants generally are unplanned?
Which factors, if either, is more important in controlling population growth: physical or biological? The final prices may differ from the prices shown due to specifics of VAT rules About this book An increasing variety of biological problems involving resource management, conservation and environmental quality have been dealt with using the principles of population biology defined to include population dynamics, genetics and certain aspects of community ecology. The chance of extinction increases exponentially with decreasing population size. Consistency rating: 4 I suggest incorporating a section on human evolution, perhaps with the introductory chapter. However, many large animals have been eliminated or had their populations drastically reduced such as tigers, elephants, and leopards. Lymphatic system is with immune system, which is fine but perhaps change title for Ch 20 to "Immune System and
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Competitive exclusion occurs between two species when competition is so intense that one species completely eliminates the second species from an area.
This number is then multiplied by to get the mortality rate per thousand. As a result, a species is a collection of populations that differ genetically from one another to a greater or lesser degree.
Populations Transition Between Growth and Stability Limits on population growth can include food supply, space, and complex interactions with other physical and biological factors including other species.
If populations remain small for many generations, they may lose all but one form of each gene by chance alone. If you are particularly interested in age-structured population, Evolution in age-structured populations Charlesworth is a very good book.
Population biology refers to the biological study of animal populations. For example, many populations have two or more forms of a gene, which are called alleles. Decline is the decrease in the number of individuals in a population, and eventually leads to population extinction.
All populations undergo three distinct phases of their life cycle: growth stability decline Population growth occurs when available resources exceed the number of individuals able to exploit them. The only way for this population to contain a variation of this gene again is through mutation of the gene or immigration of individuals from another population see evolution: Genetic variation in populations.
Malthus felt that the fear of famine or the development of famine was also a major impetus to reduce the birth rate. If birth and death rates are equal, the population remains stable. Molecules, atoms, and subatomic particles: The fundamental functional levels of biochemistry.
Introduction of New Species Introduction of exotic or alien non-native species into new areas is perhaps the greatest single factor to affect natural populations. Life tables may include the probability of individuals dying before their next birthday i. Relationship between carrying capacity K and the population density over time.
Human action is causing the extinction of species at thousands of times the natural rate. They are modeled after actuarial tables used by the insurance industry for estimating human life expectancy.
The Dawkins book are very popular and very very introductory. It is definitely not an introductory book and it really doesn't cover much of the most common fields in population genetics.
Individuals in a population can be more or less equally spaced apart, dispersed randomly with no predictable pattern, or clustered in groups. Gillespie's book might eventually be a little bit outdated but I would still highly recommend it.
We often find species described not by their reproduction a biological species but rather by their form anatomical or form species. Species Distribution In addition to measuring simple density, further information about a population can be obtained by looking at the distribution of the individuals.
The statistical study of populations is called demography: a set of mathematical tools designed to describe populations and investigate how they change.
For example, the book does not talk about population structure nor about evolutionary game theory and there is little about Coalescent theory. Reproduction is rapid, and death rates are low, producing a net increase in the population size.Examples, problems, extensive marginal notes and numerous graphs enhance the book's value to students in classes ranging from population biology and population ecology to mathematical biology and mathematical ecology.
The book will also be useful as a supplement to introductory courses in ecology. Image from Purves et al., Life: The Science of Biology, 4th Edition, by Sinauer Associates (hildebrandsguld.com) and WH Freeman (hildebrandsguld.com), used with permission.
Population Growth Potential Is Related to Life History. The age within it's individual life cycle at which an organism reproduces affects the rate of population increase. Mar 22, · This second edition of Dick Neal's unique textbook on population biology addresses these questions and offers a comprehensive analysis of evolutionary theory in the areas of ecology, population genetics, and behaviour.
Taking a quantitative and Darwinian perspective, Neal uses mathematical models to develop the basic theory of population processes.3/5(3). A Concise, Still Important Introduction to the Mathematical Foundations of Population Biology Still in print, unchanged, after forty years, Edward O.
Wilson and William H. Bossert’s “A Primer of Population Biology” is still a basic, important introduction to the mathematical foundations of population biology/5. The book emphasizes the particular characteristics of plants that affect their population biology, and evolutionary questions that are particularly relevant for plants.
Wherever appropriate, it is shown how ecology and genetics interact, presenting a rounded picture of the population biology of plants. Figure Genetic drift in a population can lead to eliminating an allele from a population by chance.
In this example, rabbits with the brown coat color allele (B) are dominant over rabbits with the white coat color allele (b).In the first generation, the two alleles occur with equal frequency in the population, resulting in p and q values of