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

Rash, Rash   Diseases such as Lyme disease and SLE which present with r...

Rash   Diseases such as Lyme disease and SLE which present with rash may be mistaken for ARF. Lyme disease presents with characteristic rash and arthritis (which appears 1 to 2

Vital dye staining, Vital Dye Staining In this type of method, a piec...

Vital Dye Staining In this type of method, a piece of agar or cellophane soaked in the solution of a vital dye (Neutral Red, Nile Blue Sulphate, and Bismarck Brown etc.) is a

Angiographic quantification, Angiographic Quantification Gr 1 - minimal...

Angiographic Quantification Gr 1 - minimal systolic jet, clears rapidly Gr 2 - partial RA opacification Gr 3 - Opacification of whole of RA GR4 - Opacification of

Role of biotic factors inducing senescence, Role of Biotic Factors Inducing...

Role of Biotic Factors Inducing Senescence Besides environmental and endogenous factors, biotic factors also play a role in inducing senescence. For example, due to an attack

What is procambium, What is Procambium? The procambium produces cells...

What is Procambium? The procambium produces cells that eventually become the vascular tissues xylem and phloem. These primary vascular tissues form a core in the center of th

Define effect on human chorionic gonadotropin in pregnancy, Define effect o...

Define effect on Human chorionic gonadotropin in Pregnancy? Human chorionic gonadotropin (HCG) begins to increase immediately on implantation of the ovum and reaches a peak at

Ingestion of foreign bodies, Ingestion of Foreign Bodies: As we know  ...

Ingestion of Foreign Bodies: As we know  that small children are curious and  innocence children are notorious for inserting various object into their orifices like mouth, nos

Explain non-glycerides in edible oils, Explain Non-Glycerides in Edible Oil...

Explain Non-Glycerides in Edible Oils? You may be aware of the fact that the glyceride fraction (an ester of glycerol and fatty acids that occurs naturally as fats and fatty oi

What are the respective functions of homologous chromosomes, What are the r...

What are the respective functions of the separation of homologous chromosomes and of the separation of identical chromatids in meiosis? The separation of homologous chromosomes

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