Abundance and diversity of aquatic insects in two water bodies of Chittagong university campus

Nasiruddin, Munira; Azadi, Mohammad Ali; Reza, Selim

doi:10.3329/bjz.v42i1.23333

Cited by 4 publications

(5 citation statements)

References 6 publications

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“…This is in contrast with the previous study conducted in the fishponds of southern Ivory Coast [20] . Meanwhile, the obtained values of H' are higher compared to the findings in the two water bodies of Chittagong University [27] but comparable with the recent study in a freshwater pond located in Benin [21] . From a statistical viewpoint, commonly observed H' values are between 1.5 to 3.5 in most ecological studies, with value increasing as both richness and evenness index increases [28] .…”

Section: Species Diversity and Similaritysupporting

confidence: 86%

The aquatic insects of selected tilapia ponds in the North-western slope of Mt. Arayat, Pampanga, Philippines

Mendoza¹,

Mendoza²

2022

Acta Entomol. Zool.

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The study was conducted to determine the composition, abundance, diversity and the correlation of water quality variables to the number of species and abundance of insects of the selected pond ecosystems located in the North-western slope of Mt. Arayat in Maglang, Pampanga. A total of 28 species belonging to 7 orders were observed throughout the sampling period. Anisops sp. dominated the insect community as evident by its high relative abundance in between seasons. Higher species diversity index (H') was obtained during dry season. Results indicated unequal distribution {J' = 0.79 (wet) -0.84 (dry)} of individuals from each species in the community as evident also by the dominance {CD = 39.55 (wet) -35.71 (dry)} of a single species. Meanwhile, the result showed high species similarity (QS = 0.956) between seasons. The studied water quality parameters showed a positive relationship to the number of species observed and their abundance except for TDS and number of species between seasons.

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Section: Species Diversity and Similaritysupporting

confidence: 86%

The aquatic insects of selected tilapia ponds in the North-western slope of Mt. Arayat, Pampanga, Philippines

Mendoza¹,

Mendoza²

2022

Acta Entomol. Zool.

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“…Extensive studies of aquatic insects by Nasiruddin et al (2014) and Nayem et al (2021) were carried out in the Chittagong University Campus and a hilly stream, Bangladesh, respectively in which order Hemiptera was dominant while the present study also recorded the highest number of Hemiptera. Four species of damselfly larvae were identified by Ameen et al (1982) from Dhaka, while four zygopteran larvae were described by Chowdhury and Miah (1990) from the campus of Chittagong University.…”

Section: Resultsmentioning

confidence: 43%

“…The evenness index (0.08) sheds light on the species' relative abundance in the community. Comparatively in the lake of Chittagong the value of species richness (3.81) and species evenness (0.93) were high described by Nasiruddin et al (2014) that indicates high diversity and population of different insect species are distributed uniformly (Pielou 1966). According to Ganeshaih et al (1997), the diversity indices H′ is useful because they take species richness into account.…”

Section: Resultsmentioning

confidence: 99%

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Diversity and Abundance of Aquatic Insect Fauna in an Urban Freshwater Lake, Hatirjheel, Dhaka, Bangladesh

Islam

Ahmmed

Alim

et al. 2023

Bangladesh J. Zool.

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Freshwater lakes are a crucial component of the urban ecology and offer several direct and indirect advantages to its people. Habitat degradation of native insects has happened because of development activities and unscientific natural resource management. As a consequence, many insects of freshwater lakes are now rare and endangered. A research was conducted to find out the abundance, variety and distribution of aquatic insect fauna in an urban freshwater lake, Hatirjheel, Dhaka during November 2015 to February 2016. A total of 3255 individuals of water insects comprising of 11 species and 31 genera under 20 families belonging 5 orders were recorded. The order Hemiptera contained the highest abundance (38.71%) including 7 families and 12 genera containing 5 species, while Trichoptera had the lowest (6.45%) including 2 families and 2 genera. The dominating species in the lake was Micronecta haliploides. The maximum 19 aquatic insect species were reported in the lake's vegetation-rich section near the Mouchak-Moghbazar flyover (Spot 1), whereas a minimum of 5 species were found near the Modhubagh bridge road (Spot 2). Species diversity index (H′ = 2.74), species richness (SR = 8.54), aquatic insect distribution evenness (J′ = 0.80), community dominance (CD = 46.94%), and Simpson’s index (λ = 0.17) were analyzed in this study to determine the diversity, abundance, distribution and dominance of aquatic insect fauna in this lake. Bangladesh J. Zool. 50(3): 363-372, 2022

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“…Globally, the key challenges of a biomonitoring programme are the diversity assessment of benthic macroinvertebrates and the understanding of the way of responses to existing stressors in a particular ecosystem. Likewise, Bangladesh has no adequate updated aquatic macroinvertebrate diversity data except for some sporadic studies on the diversity of benthic fauna, aquatic insects, and molluscs [1,5,20,22] . Unfortunately, the studies concerning the impact of water pollution on macroinvertebrate fauna is nearly absent in the country though many studies were conducted on heavy metal assessment in water, soil, fish and other organisms of freshwater ecosystems [2,9,13,15] .…”

Section: Introductionmentioning

confidence: 99%

Assessment of molluscan diversity and their responses to heavy metal deposition in a river ecosystem of Bangladesh

Rahman,

Islam,

Moniruzzaman

et al. 2024

J. Entomol. Zool. Stud.

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The key challenge of bio-monitoring is to explore comprehensive knowledge of bio-indicator organisms and to understand their responses to environmental alterations such as heavy metal pollution. The present study aimed for assessing the diversity of sediment-dwelling molluscs and their responses to different heavy metals in the sediment and water of the Shitalakshya River. Classical taxonomic analysis of Molluscan fauna revealed 16 species under 8 families of two major classes, Gastropoda and Bivalvia. There was a clear variation in the species-wise abundance of both molluscs but the overall abundance of both invertebrate groups did not vary significantly across the sites (p>0.05). Among ten heavy metals (Cr, Cd, As, Ni, Pb, Mn, Cu, Zn, Co, and Se), the concentration of Mn was relatively higher than other metals in both water and sediment samples. In contrast, the lowest concentration was also observed for Cd and Se. Mollusca abundance showed positive correlation with heavy metals except for chromium. Furthermore, GLM model confirmed the strong negative relationship (p<0.05) of Pb) with Molluscs, respectively. Overall, these results have implications for the biodiversity assessment of aquatic macroinvertebrates as well as their uses in monitoring the health of river ecosystems of Bangladesh.

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Abundance and diversity of aquatic insects in two water bodies of Chittagong university campus

Abstract: Chironomous sp. and Gerris sp. in the lake.

Cited by 4 publications

References 6 publications

The aquatic insects of selected tilapia ponds in the North-western slope of Mt. Arayat, Pampanga, Philippines

The aquatic insects of selected tilapia ponds in the North-western slope of Mt. Arayat, Pampanga, Philippines

Diversity and Abundance of Aquatic Insect Fauna in an Urban Freshwater Lake, Hatirjheel, Dhaka, Bangladesh

Assessment of molluscan diversity and their responses to heavy metal deposition in a river ecosystem of Bangladesh

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