Environmental Engineering

Population Parameters: Estimation for Ecological Models by Hamish McCallum

By Hamish McCallum

Presents transparent information on tips to estimate parameters for types of animal populations. Concentrates on how you can choose the simplest method of parameter estimation for a specific challenge, and the way to make sure that the amount estimate is the fitting one for the categorical goal of the modelling workout. Softcover.

Show description

Read or Download Population Parameters: Estimation for Ecological Models PDF

Best environmental engineering books

Agricultural Science & Technology in China: A Roadmap to 2050

As one of many eighteen field-specific stories comprising the great scope of the strategic common document of the chinese language Academy of Sciences, this sub-report addresses long-range making plans for constructing technology and expertise within the box of agriculture. They every one craft a roadmap for his or her sphere of improvement to 2050.

Reaktorsicherheit für Leistungskernkraftwerke: Die Entwicklung im politischen und technischen Umfeld der Bundesrepublik Deutschland

Das Werk beschreibt die Entwicklung der Reaktorsicherheit deutscher Leichtwasser-Kernkraftwerke aus den Anfängen heraus mit ihren vielfältigen Bezügen zu ausländischen Vorbildern, zu nationalen und internationalen Forschungsvorhaben sowie zu konventionellen und nuklearen Schadensereignissen. Detaillierte und reich bebilderte Darstellungen befassen sich mit den spezifischen Sicherheitstechniken, wie der Berstsicherheit der druckführenden Umschließung, der Sicherstellung der Notkühlung im Kühlmittelverlust-Störfall, der Leittechnik und dem Umgebungsschutz durch das Containment.

Energy and fuel systems integration

Strength and gasoline structures Integration explains how transforming into power and gasoline calls for, paired with the necessity for environmental protection, require diversified assets of strength and gasoline to cooperate and combine with one another instead of easily compete. delivering quite a few examples of strength and gasoline platforms integration good fortune tales, this e-book: Discusses using various combos of fuels for combustion, gasification, liquefaction, pyrolysis, and anaerobic digestion strategies Describes using hybrid nuclear and renewable power platforms for energy and warmth cogenerations with nonelectrical purposes info the holistic integration of renewable, nuclear, and fossil power structures by way of gasoline, warmth, and clever electric grids strength and gasoline structures Integration emphasizes the various merits of those built-in structures, together with sustainability, flexibility for optimization and scale-up, and extra effective use of garage, transportation, and supply infrastructures.

Green polymer composites technology: properties and applications

This e-book is a entire advent to "green" or environmentally pleasant polymer composites built utilizing renewable polymers of traditional starting place reminiscent of starch, lignin, cellulose acetate, poly-lactic acid (PLA), polyhydroxylalkanoates (PHA), polyhydroxylbutyrate (PHB), and so on. , and the advance of contemporary applied sciences for getting ready eco-friendly composites with numerous purposes.

Additional info for Population Parameters: Estimation for Ecological Models

Sample text

However, the maximum lies on the top of a rather flat ridge. This means that a variety of other combinations of the parameters will fit the data almost as well. 8) numerically. 5 shows how to do it using a standard spreadsheet such as Excel. In general, the process of maximum likelihood estimation of a parameter set β, given a set of observed data y can be summarized as follows: 1 Obtain a function that gives the joint probability of any particular set of outcomes y, given known values of the parameters β.

That cannot multiply rapidly within their hosts) may have on the population size of their hosts. The primary objective of the model was to investigate how the extent to which parasites can depress the population size of their host depends on the sizes of the various parameters that describe the host–parasite interaction. This example is selected to illustrate two important points. First, it shows how changing the variables in a model may lead to a form that is simpler and easier to understand. Second, it shows how examination of the algebraic forms of modelling results can be used to perform a ‘sensitivity analysis’, to determine which parameters or parameter combinations are most important in the outcome of the model.

3 Using a t test for estimation Student’s t test is usually the first hypothesis test taught to students of statistics. Its purpose is to test whether two treatments (or a treatment and control) differ in their effect on the mean of some response. Alternatively, it can be used to test if two samples could have been drawn from populations with the same mean. More formally, it tests H0: μ1 = μ2 versus HA: μ1 ≠ μ2. The standard test statistic is t= [1 − [2 , se [1 − [2 where [1 and [2 are the means of the response for treatments 1 and 2, and se [1 − [2 is the standard error of the difference between the treatment means.

Download PDF sample

Rated 4.15 of 5 – based on 21 votes