Question

In(pi) pi*In(pi) Species Red Shiner Smalleye Shiner Sharpnose Shiner Channel Catfish Freshwater Drum River Carpsucker Brazos River Pupfish Plains Killifish Total Stream Community- Rotan Site # of Individuals pi 40 0.124224 100 0.310559 120 0.372671 10 0.031056 2 0.006211 30 0.093168 10 0.031056 10 0.031056 322 1 Calculate H What is the species richness of the Rotan Site?

Answer 1

Answer::

(1) H^{​​​​​​'} =2.332

Species richness=0.4459

(2)H^{​​​​​​'}​​​​​=1.1648

species richness= 0.2309

Evenness means more equal number of species present in a community...In Rotan site more species evenness as compare to post site.

Explanation::

Stream community - Rotan site pi # of Indivi duals 40 In/pi) -2.0856 þix In Pz) -0.25908 0.124224 Species Red shiner Smalleye shine Sharpnose shines 0.310559 100 1:1693 -0.36313 | 20 0.37 2671 -0.9870 - 0:36 782 Channel catfish 10 0.031056 -1:1693 -0.36 313 freshwater Drum -0.03156 2 0.006211 –5:0814 0:093168 30 0.22111 - 2:3733 -0.36 313 0.031056 -1:1693 lo River Carpsucker Brazos River Pupfish Plain killfish 10 0.031056 -1:1693 0.36313 Epimpi =-2.33209 Total IN= 322 Shannon diversity anden H'=-{pimpi H'= -1-2-33209 H = 2-33209

Stream Community - Post site bi impi pixlnlpi) No. of Individual 1 50 0.5 0:34.657 -0.69314 Species Red Shine Smalleye shiner Sharpnose skiner o 0 o o o 0 0 0 - 2.99573 -0.14 978 0:05 Channel Catfish i 15 o o 0 0 0 0 0 0 freshwater Drum River Corpsucker Brazos River pupfish plains 'Killfish 0.2 -1.60943 -0.32188 60 - 0.34657 -1.38629 0:25 75 N= 300 Total Epilnpi -1.1648 H'--|-1-1648) HI = 1.1648 H'=-Ebilnpi

0 Dia no of Species richness of Rotan sites :- Si S: No. of different Species Na total Here, Sr 8 species species. N= 32g DE si 1388 17.94 -0.4459 1 8 = Di -0.4459 0 species richness of post site S 4. species VM2 N = 300 Da = S2 D2 = 4 V300 D2 = 4 = 0. 2309 17.32 # More the species richness, more will be evenness so, Rotan sites has more species Evenness than post sile A