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

Making leaf collections, Making leaf collections Collect young leaves o...

Making leaf collections Collect young leaves of as many varieties of plants as possible. Place various layers of news- paper or blotting paper on a firm, smooth board. Next org

Difference between temporal summation and spatial summation, Q. What is the...

Q. What is the difference between temporal summation and spatial summation of muscle fibers? What is tetany?   Spatial summation is the recruiting of new muscle fibers to incr

Strategies for genetic characterization and conservation, Strategies for ge...

Strategies for genetic characterization and conservation - During last 20 years concerted efforts have been made to create awareness among all the developmental organizations in th

Properties and functions of synapses, Properties and Functions of Synapses ...

Properties and Functions of Synapses There is an interval between depolarisation of the presynaptic terminal and the earliest appearance of a postsynaptic response. This inter

Explain what dietary factors, Michael eats steak & cheese sub sandwiches ev...

Michael eats steak & cheese sub sandwiches every day of the week. Explain the types of fats that are found in steak & cheese subs and the properties of each type. Jillian eats

What is the final comparative balance of these processes?, How the water ab...

How the water absorption volume and the water transpiration volume comparatively vary in plants in a day? What is the final comparative balance of these processes? Throughout t

Why the orange trees are often sprayed with water, Why the orange trees are...

Why the orange trees are often sprayed with water? Although it is grossly counter-intuitive, whenever citrus groves are in risk of experiencing below-freezing temperatures, the

An mrna molecule codifies only one type of protein, An mRNA molecule codifi...

An mRNA molecule codifies only one type of protein? Eukaryotic cells have monocistronic mRNA, i.e., every mRNA codifies only one polypeptide chain. Prokaryotes can present poly

Natural selection under different environments condition, In the absence of...

In the absence of any large scale envirorrmental change that is, in more or less uniform environments, populations often maintain a stable genetic constitution with respect to many

Definition of counselling, Q. Definition of Counselling? Counselling ha...

Q. Definition of Counselling? Counselling has been defined as a process of helping/enabling a person/people solve certain interpersonal (not able to continue relationship), emo

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