Measures of evenness, Biology

Assignment Help:

Measures of Evenness

The maximum Shannon-Wiener index for a given number of species can be calculated as:

984_Measures of Evenness.png

The minimum Shannon-Wiener index for a given data set can be calculated as:

24_Measures of Evenness1.png

where

S is the number of categories or species

N is the total number of observations.

The evenness of the sample can be calculated by the following two equations:

1377_Measures of Evenness2.png

According to this index, Area A with four species with four individuals each will have greater species diversity than area B also with four species but with one having 13 individuals while the other three have only one individual each.

1399_Measures of Evenness3.png


Related Discussions:- Measures of evenness

What are lichens, What are lichens? How do fungi participate in this ecolog...

What are lichens? How do fungi participate in this ecological interaction? Lichens are produced by mutualist ecological interaction among fungi and algae or among fungi and cya

What is the function of the plant cell wall, Ans) The plant cell wall has s...

Ans) The plant cell wall has structural and protective functions. It plays significant role in the constraint of the cell size, preventing the cell to break when it absorbs much wa

Name two stimulant drugs, Name two stimulant drugs and state the undesirabl...

Name two stimulant drugs and state the undesirable side-effects of each. Amphetamine and cocaine are stimulant drugs. The side-effects of amphetamines are high blood pressure;

What are some examples of parasitism, What are some examples of parasitism?...

What are some examples of parasitism? Classical instances are the parasites of humans (host), as the trypanosome that causes Chagas' disease, the HIV virus (AIDS), the bacteria

Explain intergenic, Intergenic: Amongs the two genes; for example intergen...

Intergenic: Amongs the two genes; for example intergenic DNA is the DNA found amongs two genes. The term is frequently used to mean non-functional DNA (or at least DNA with no kno

What are the three main types of viral hepatitis, Q. What are the three mai...

Q. What are the three main types of viral hepatitis? There are various types of viral hepatitis. The most vital epidemiologically are hepatitis A, hepatitis B and hepatitis C.

Association of fibrinogen with cardiovascular risk factors, Q. Association ...

Q. Association of Fibrinogen With Cardiovascular Risk Factors? Ans. Fibrinogen, a large glycoprotein made mostly in the liver, is a clotting factor that activates thrombin

What do you mean by diabetes mellitus, Q. What do you mean by Diabetes Mell...

Q. What do you mean by Diabetes Mellitus? Diabetes Mellitus as you know is a metabolic disorder, which is characterized by high blood sugar. It is a chronic disease condition,

Why do substances react with each other, Why do substances react with each ...

Why do substances react with each other? Chemical reactions occur due to the products of the reaction have less energy than the reactants (drive toward less energy). These reac

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd