Finfish diversity and seasonal abundance in the largest arid mangrove forest of the Indus Delta, Northern Arabian Sea

Finfish composition and seasonal abundance was studied in the world largest arid mangrove ecosystem of the Indus Delta, Pakistan. Sampling was done from February 2010 to July 2011 in a narrow creek with thick mangrove forest and in a wide creek with sporadic patches of mangrove forest along its bank...

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Bibliographic Details
Published in:Marine biodiversity 2018-09, Vol.48 (3), p.1369-1380
Main Authors: Amir, Shabir Ali, Siddiqui, Pirzada Jamal A., Masroor, Rafaqat
Format: Article
Language:English
Subjects:
Abundance
Animal Systematics/Taxonomy/Biogeography
Aridity
Biodiversity
Biomass
Biomedical and Life Sciences
Coastal inlets
Composition
Creeks
Creeks & streams
Dissolved oxygen
Dominant species
Ecosystems
Endangered & extinct species
Environmental factors
Estuaries
Fish
Fishing
Fishing grounds
Fishing zones
Forests
Freshwater & Marine Ecology
Juveniles
Life Sciences
Mangrove swamps
Mangroves
Marine parks
Marine protected areas
Nursery grounds
Original Paper
Plant Systematics/Taxonomy/Biogeography
Protected areas
Relative abundance
Sampling
Species diversity
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Summary:Finfish composition and seasonal abundance was studied in the world largest arid mangrove ecosystem of the Indus Delta, Pakistan. Sampling was done from February 2010 to July 2011 in a narrow creek with thick mangrove forest and in a wide creek with sporadic patches of mangrove forest along its banks. The sampling revealed 84 fish species, corresponding to 2,274 individuals in 60 genera and 29 families, weighing a total of 217 kg. A minimum of 8 species were recorded in December 2010 while a maximum of 32 species were recorded in April 2010 (average 21 ± 5.8). The most speciose families were the Mugilidae (9) followed bythe Sciaenidae (8) and the Ariidae (7), the remaining 26 families being represented by 1–5 species. The average sizes of 28 dominant species in the collection ranged from 76.9 to 284.6 mm (SL), consisting mostly of juveniles. Relative abundance (%) and relative biomass (%) of species was between 0.04 and 9.1 and 0.01–12.14, respectively. The Pearson correlation of 0.52 ( r 2 0.27) was observed among the environmental parameters and found significant between temperature and dissolved oxygen ( p  
ISSN:1867-1616
1867-1624
DOI:10.1007/s12526-016-0613-z