Temporal Composition and Distribution of Benthic Macroinvertebrates in Wetlands

Brraich, Onkar Singh; Kaur, Rajwinder

doi:10.18520/cs/v112/i01/116-125

Cited by 10 publications

(5 citation statements)

References 21 publications

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“…According to Dunlop et al (2005), salt and turbidity have pronounced direct toxic effects and indirect ecological effects on freshwater biota above certain thresholds. The current findings support the study by Brraich and Kaur (2017) in Nangal wetland, India, where water temperature, electrical conductivity, TDS, alkalinity, and salinity are negatively correlated with macro-benthic organisms.…”

Section: Relationship Between Macro-invertebrates and Physiochemical supporting

confidence: 91%

Macro-invertebrate Diversity and its Relationship with Environmental Variables in Adha Lake between Monsoon and Post-monsoon Seasons

Lhundup¹,

Forests²,

Dlorji³

2018

BJNRD

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Lentic water bodies are amongst the most threatened wetland habitat types as anthropogenic disturbances have significantly influenced the structure and function of aquatic ecosystems. This study compared the seasonal variations of macro-invertebrate diversity and analysed the physiochemical parameters to study the influence of surrounding land use on the lentic ecosystem of Adha Lake. Macroinvertebrate abundance in the lake was used as an indicator to assess the effect of surrounding land use. The lake was categorised into four major zones namely agriculture zone, forest east zone, catchment zone, and forest west zone. Sampling was carried out along the littoral zone of the lake. Physiochemical variables were collected for both the seasons. Chironomidae and Baetidae families were the most dominant macro-invertebrates in the lake. The least families encountered were Acrididae, Aeshnidae, Tabanidae, Hydrophilidae, and Libellulidae during monsoon season, and Simuliidae and Culicidae for post-monsoon season. There was no significant difference in Shannon Wiener's Diversity Index for monsoon and post-monsoon seasons, p > .05. pH, salinity, conductivity, total dissolved solid, and water temperature had negative correlation with diversity and richness; however, total dissolved solid, water temperature, and pH had positive association with taxon evenness. The HKH-bios index and NHBL index indicated that the lake is polluted which could be attributed to discharge from the paddy fields. Restoration and protection of Adha Lake as White-bellied heron's habitat may need significant conservation and advocacy measures.

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Section: Relationship Between Macro-invertebrates and Physiochemical supporting

confidence: 91%

Macro-invertebrate Diversity and its Relationship with Environmental Variables in Adha Lake between Monsoon and Post-monsoon Seasons

Lhundup¹,

Forests²,

Dlorji³

2018

BJNRD

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“…In this sense we hypothesized that the structure of the aquatic macroinvertebrate community may vary both at the basin level and within the river. Seasonal variations of aquatic macroinvertebrate assemblage have been observed in both rivers and streams in works conducted at temperate, tropical and subtropical latitudes (Marshall et al 2006;Johnson et al 2012;Brraich and Kaur 2017;Martins et al 2018). In this regard, we also expect differences in the structure of the community between autumn and spring seasons.…”

Section: Introductionmentioning

confidence: 85%

“…Studying them is important because the macrobenthic organisms are known as indicators of anthropogenic stress due to their sedentary habitat. Furthermore, they maintain various levels of interaction between the community and environment (Bieger et al 2010;Silveira-Manzotti et al 2016;Brraich and Kaur 2017). The structure of the aquatic macroinvertebrate community provides precise and local information on recent events.…”

Section: Introductionmentioning

confidence: 99%

Structure of aquatic macroinvertebrate communities in streams of a sub-basin in the Pampa Biome, Southern Brazil

Hentges¹,

Menzel²,

Loebens³

et al. 2021

NBC

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The Piratinim River is located in the northwest of Rio Grande do Sul, and represents an important effluent from the Uruguay River, with streams located far from urbanized areas, in conditions similar to those of environmental integrity, but under the influence of agricultural activities. In this study, we aim at investigating the structure of the aquatic macroinvertebrate community in streams of the Piratinim river basin by observing both spatial and local scales. The sampling was carried out in six streams distributed in three regions (upper, middle and lower) of the basin, thus exploring its upstream, intermediate and downstream stretches, during spring and autumn. Macroinvertebrates were collected using aquatic dipnets and were identified at the family level; trophic-functional categories were established according to the classification adapted to the state of Paraná. The spatial and temporal variations of the groups and of the biotic attributes (density, richness, diversity and equitability) were subjected to Kruskal-Wallis non-parametric tests and a posteriori Dunn’s tests. The abiotic variables were obtained to verify possible influence on the composition of the macroinvertebrate community, evaluated through a Canonical Correspondence Analysis. We sampled 11,564 macroinvertebrate individuals from 72 taxa, and found a predominance of the collector-filter trophic group. Abundance and richness were different between streams; the highest densities were found in the streams located in the upper region of the watershed (Chuní and Itú). The highest taxon richness was found in the lower region of the watershed (Guaracapa stream), and the lowest richness was found in the two streams for the intermediate region (Santana and Ximbocu). Diversity and equitability did not vary; temporal variations were not found. Canonical correspondence analysis explained 31.7% of the data variability. The main environmental variables that influenced macroinvertebrates distribution were temperature, electrical conductivity, dissolved oxygen, altitude and extension of the riparian forest. Seasonality and the longitudinal gradient along the basin represented determining factors for the structure and distribution of the macroinvertebrate community in the tributary streams of the Piratinim River.

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“…Pheretima, though a terrestrial species, was found during monsoon and post-monsoon periods when the riverbank was flooded. Possibly because of inundation, they were found within 1m inside the river from the edge during these periods; however, Brraich & Kaur (2017) very recently described the abundance of Pheretima in 'Wetland of National Importance', the Nangal wetland which came into existence with the construction of a barrage on the River Satluj, Punjab, India. Gyraulus convexiusculus was found in all seasons in the upper reaches of Ichamati.…”

Section: Discussionmentioning

confidence: 99%

<b>Community structure of benthic macroinvertebrate fauna of river Ichamati, India</b>

Basu¹,

Sarkar²,

Datta³

et al. 2018

J. Threat. Taxa

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Benthic macroinvertebrate communities are frequently applied as indicators of aquatic ecosystem health as many species are responsive to pollution and abrupt changes in their surroundings. The qualities of benthic invertebrate communities greatly depend on habitat conditions. Thus the diversity in benthic community varies with different habitat conditions. This investigation on the structure of the benthic invertebrate communities was conducted on river Ichamati, a trans-boundary river between India and Bangladesh to assess the cumulative effects of water quality on the aquatic biota. The study period extended from February 2011 to January 2014 at three sites from Majdiah to Hasanabad (in West Bengal, India) a stretch of 124km. A total of 23 macrobenthic species belonging to three phyla, five classes and nine orders were identified. Fifteen species of benthic invertebrates belonging to Mollusca, three species under Annelida and five species under Arthropoda were found. The highest abundance density (3633.33 indiv.m-2) and species richness (18 species) were recorded up-stream (Majdiah) where marginal habitats covered by macrophytes were significantly higher than at other sites. Both the organic carbon (4.41±1.11) and organic matter (7.48±1.56) of soil at this site were the maximum thus influencing the richness of benthic macroinvertebrate communities. Hydrological variables, viz, dissolved oxygen, pH, alkalinity; hardness, salinity, nutrients, calcium, and magnesium were studied to determine their influences on the benthic community in the upper, middle- and down-streams of the river, respectively. Shannon’s diversity index (0.95–2.07; 0.00–0.72; 0.00–0.64), dominance index (0.57–0.86; 0.00–0.44; 0.00–0.44), evenness index (0.72–0.95; 0.61–1.00; 0.00–1.00), Margalef index (0.72–2.23; 0.00–1.32; 0.00-0.28) of the upper, middle- and down-streams were calculated. Benthic macroinvertebrate density was correlated with hydrological variables which indicated that the abiotic factors had either direct or inverse influence on the richness and abundance; however, the abiotic factors did not correlate identically in all three sites.

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Temporal Composition and Distribution of Benthic Macroinvertebrates in Wetlands

Cited by 10 publications

References 21 publications

Macro-invertebrate Diversity and its Relationship with Environmental Variables in Adha Lake between Monsoon and Post-monsoon Seasons

Macro-invertebrate Diversity and its Relationship with Environmental Variables in Adha Lake between Monsoon and Post-monsoon Seasons

Structure of aquatic macroinvertebrate communities in streams of a sub-basin in the Pampa Biome, Southern Brazil

<b>Community structure of benthic macroinvertebrate fauna of river Ichamati, India</b>

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