Uneingeschränkter Zugang

Species diversity, abundance, and distribution of freshwater prawns along a selected perennial stream in Ngangla Gewog, Zhemgang, Southern Bhutan

Thinley Wangda
Thinley Wangda
, 
Sabreen Bashir
Sabreen Bashir
, 
Bhagat Suberi
Bhagat Suberi
, 
Agrataben Vadhel
Agrataben Vadhel
, 
Tabarak Malik
Tabarak Malik
 und 
Anand Mohan
Anand Mohan
   | 31. Dez. 2023
Oceanological and Hydrobiological Studies's Cover Image
Über diesen Artikel
Vorheriger Artikel
Nächster Artikel
Zitieren
Article Category: Original Research Paper
Online veröffentlicht: 31. Dez. 2023
Seitenbereich: 493 - 501
Eingereicht: 17. Feb. 2023
Akzeptiert: 13. Juli 2023
DOI: https://doi.org/10.26881/oahs-2023.4.10
© 2023 Thinley Wangda et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1

Map showing the site for the present study
Map showing the site for the present study

Figure 2

Relative abundance of prawns found in the study area
Relative abundance of prawns found in the study area

Figure 3

Pie-chart showing relative abundance of two prawn families
Pie-chart showing relative abundance of two prawn families

Figure 4

Pie-chart showing the relative abundance of genera in prawns
Pie-chart showing the relative abundance of genera in prawns

Figure 5

Chart showing total species in the study area
Chart showing total species in the study area

Figure 6

Pie chart showing the abundance of prawns in different habitat (water types)
Pie chart showing the abundance of prawns in different habitat (water types)

Figure 7

Bar chart showing diversity evenness and richness in different habitat types
Bar chart showing diversity evenness and richness in different habitat types

Figure 8

Cluster dendrogram showing similarities between sampling habitats
Cluster dendrogram showing similarities between sampling habitats

Abundance ranking of prawns in the study area

Species Counts Species Ranking Relative Abundance (%)
Macrobrachium lar 33 1 13.58
Penaeus semisulcatus 30 2 12.35
Macrbrachium equidens 26 3 10.70
Penaeus longistylus 24 4 9.88
Penaeus merguiensis 22 5 9.05
Penaeus monodon 21 6 8.64
Penaeus latisulcatus 20 7 8.23
Penaeopsis rectacuta 17 8 7.00
Macrobrachium rosenbergii 16 9 6.58
Penaeus japonicas 12 10 4.94
Metapenaeus dobsoni 10 11 4.12
Penaeus indicus 6 12 2.47
Metapenaeus insolitus 6 13 2.47

Distribution of freshwater prawns in different habitats

Species Count Habitat Types
Pond Run Riffle
Macrobrachium lar (Fabricius, 1798) 33 + + -
Macrobrachium rosenbergii (De Man, 1879) 16 + - -
Macrbrachium equidens (Dana, 1852) 26 + + -
Penaeus merguiensis (De Man, 1888) 22 + + -
Penaeus japonicus (Bate, 1888) 12 + - -
Penaeus monodon (Fabricius, 1798) 21 + + +
Penaeus latisulcatus (Kishinouye, 1896) 20 + - +
Penaeus longistylus (Kubo, 1943) 24 + + -
Penaeus indicus (Milne Edwards, 1837) 6 + + +
Penaeus semisulcatus (De Hann, 1850) 30 + + +
Penaeopsis rectacuta (Bate 1881) 17 + + -
Metapenaeus dobsoni (Miers, 1878) 10 + + -
Metapenaeus insolitus (Racek & Dall, 1965) 6 + - -
Total no. of individuals 243 200 31 12
Total no. of species 13 13 9 4

Overall diversity, evenness, and richness of the study area

Ngangla Gewog Zhemgang
Shanon Diversity (H') Margalef’s Richness (Dmg) Pielou’s Evenness (J)
2.45961 2.184574 0.958931

Kruskal Wallis test for difference in diversity in different habitats

Diversity (H') Richness (Dmg) Evenness (J)
Chi-Square 6.254 7.625 6.254
Df 2 2 2
Asymp. Sig. 0.044 0.022 0.044
eISSN:
1897-3191
Sprache:
Englisch
Zeitrahmen der Veröffentlichung:
4 Hefte pro Jahr
Fachgebiete der Zeitschrift:
Chemie, andere, Geowissenschaften, Biologie
Zeitschrift RSS Feed