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

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

Oceanological and Hydrobiological Studies
Volume 52 (2023): Issue 4 (December 2023)
By: Thinley Wangda,  Sabreen Bashir,  Bhagat Suberi,  Agrataben Vadhel,  Tabarak Malik and  Anand Mohan  
Open Access
|Dec 2023

Figures & Tables

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

SpeciesCountsSpecies RankingRelative Abundance (%)
Macrobrachium lar33113.58
Penaeus semisulcatus30212.35
Macrbrachium equidens26310.70
Penaeus longistylus2449.88
Penaeus merguiensis2259.05
Penaeus monodon2168.64
Penaeus latisulcatus2078.23
Penaeopsis rectacuta1787.00
Macrobrachium rosenbergii1696.58
Penaeus japonicas12104.94
Metapenaeus dobsoni10114.12
Penaeus indicus6122.47
Metapenaeus insolitus6132.47

Distribution of freshwater prawns in different habitats

SpeciesCountHabitat Types
PondRunRiffle
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 individuals2432003112
Total no. of species131394

Overall diversity, evenness, and richness of the study area

Ngangla Gewog Zhemgang
Shanon Diversity (H')Margalef’s Richness (Dmg)Pielou’s Evenness (J)
2.459612.1845740.958931

Kruskal Wallis test for difference in diversity in different habitats

Diversity (H')Richness (Dmg)Evenness (J)
Chi-Square6.2547.6256.254
Df222
Asymp. Sig.0.0440.0220.044
DOI: https://doi.org/10.26881/oahs-2023.4.10 | Journal eISSN: 1897-3191 | Journal ISSN: 1730-413X
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Language: English
Page range: 493 - 501
Submitted on: Feb 17, 2023
Accepted on: Jul 13, 2023
Published on: Dec 31, 2023
Published by: University of Gdańsk
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
Keywords:
Prawn farming,
fresh water prawns,
beta diversity,
conservation
Related subjects:
Chemistry,
Chemistry, other,
Geosciences,
Geosciences, other,
Life sciences,
Life sciences, other

© 2023 Thinley Wangda, Sabreen Bashir, Bhagat Suberi, Agrataben Vadhel, Tabarak Malik, Anand Mohan, published by University of Gdańsk
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

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