Limnological Studies Related to Physico-Chemical Characteristics of Water of Santragachi and Joypur Jheel, W.B., India

Patra, A.; Santra, Kalyan Brata; Manna, Chanchal Kumar

doi:10.3126/on.v8i1.4328

Cited by 11 publications

(7 citation statements)

References 35 publications

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“…Free CO2 content in water increases with increase in temperature (Agrawal 1999). Maximum free CO2 during summer may be due to decomposition of organic matter by microbes at the bottom (Patra et al 2010). The mean value of hardness was recorded higher in the wet season (314.6 ±18.69 mg dm -3 ) than in the dry season (218 ±8 mg dm -3 ).…”

Section: Physical and Chemical Parametersmentioning

confidence: 89%

Seasonal variation of algal diversity with reference to water quality in Jagadishpur Reservoir, Nepal

Pokhrel

Ghimire

Rai

2021

Limnological Review

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The study of the importance of physicochemical parameters of water for algal growth and development in Jagdishpur Reservoir was carried out in the present research. Occurrence of algal species and values of water quality parameters also indicate the ecological nature and the present status of the reservoir. Water samples were collected from Jagdishpur Reservoir in Kapilvastu District (Nepal), in two seasons (wet and dry). The following physicochemical parameters of water were analyzed: temperature, pH, dissolved oxygen, alkalinity, concentration of nitrates and phosphates, free CO2, hardness, conductivity, total dissolved solids. The values of free CO2, hardness, phosphate, temperature, and dissolved oxygen were high in wet season while alkalinity, nitrate, conductivity and total dissolved solid were high in dry season. Altogether 81 algal species belonging to 53 genera and 6 classes were recorded. Higher number of algal species was recorded in the dry season rather than in the wet season. The highest number of species was noted among Chlorophyceae, followed by Cyanobacteria > Bacillariophyceae > Euglenophyceae > Crysophyceae and Dinophyceae. Cosmarium had the highest number of species (13) among all genera. During the wet season, Cosmarium, Calothrix and Phormidium were the genera with the highest number of species while Bulbochaete, Trachelomonas and Gomphonema were genera with the lowest number of species. During the dry season, Cymbella, Cosmarium and Rhopalodia were genera with highest number of species while Euglena, Gloeotrichia and Trachelomonas were genera with lowest number of species. Algal diversity was positively correlated with the increase of alkalinity, conductivity and TDS, while negatively correlated with free CO2, hardness, concerntration of phosphates and nitrates, DO, pH and temperature. Shannon–Weiner diversity index value was higher during the dry season than in the wet season.

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Section: Physical and Chemical Parametersmentioning

confidence: 89%

Seasonal variation of algal diversity with reference to water quality in Jagadishpur Reservoir, Nepal

Pokhrel

Ghimire

Rai

2021

Limnological Review

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“…Several studies on local and migratory water-bird population and the effects of bird aggregation on the physicochemical conditions of lake water and vice versa have been conducted in the state West Bengal of India by many workers (Patra et al 2010;Datta, 2011;Singha Roy et al 2011 andBhattacharya and Roy, 2013). A few research works have been carried out in Purbasthali bird sanctuary concerning the ecology, environmental threat and socioeconomic issues (Ganesan and Khan, 2007;Ganguly, 2015;Biswas Roy et al 2016).…”

Section: Introductionmentioning

confidence: 99%

Present status and diversity of avian fauna in Purbasthali bird sanctuary, West Bengal, India

Debnath

Biswas

Panigrahi

2018

ASD

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Birds play a crucial role in many food webs of aquatic ecosystem and the birds are known as good ‘bio-indicators’ as they are very sensitive to minor environmental changes. The present study was carried out in Purbasthali bird sanctuary of West Bengal (India) and its surroundings from January 2016 to December 2016 to explore the current status and diversity of avian fauna. The point count and line transect methods were implemented in bird counting. A total of 86 species of birds belonging to 31 families were recorded from the study area. Anatidae and Ardeidae were the dominant families with highest relative diversity. Residential status, IUCN Red list status and Relative abundance of bird species were also considered. Different diversity indices were also calculated. Purbasthali bird sanctuary supports a huge amount of bird diversity. So continuous monitoring of avian fauna and health condition of the ecosystem by local or state levels on taking integrated management programs will helpful to maintain a sustainable development of the habitat.

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“…The rich vegetation layers and stable community structure increase the spatial heterogeneity and improve the vegetation biomass in this area, providing birds with complex survival opportunities for foraging, nesting, and avoiding natural enemies (McCain, 2009). Birds' preference for wetlands is influenced by a complex of characteristics such as water chemistry, aquatic vegetation, and physical features (Patra et al, 2011). The study showed that the inorganic nitrogen, reactive phosphate and suspended solids in the water of the Yingwuzhou wetland were reduced after purification from Habitat Pattern A into Habitat Pattern B (Chen et al, 2020) which might also lead birds to choose Habitat Pattern B with better water quality as their habitat.…”

Section: Coastal Restoration Projects Provide Good Habitat For Birds ...mentioning

confidence: 99%

Restored coastal wetlands with low degree of separation and high patch connectivity attract more birds

Song²,

Zhang³

et al. 2023

Front. Mar. Sci.

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Coastal wetlands, the major component of coastal ecotones with indispensable ecosystem services, are threatened by anthropogenic disturbance, resulting in continuous loss of ecosystem functions. Coastal wetland restoration can be implemented to deter the ecosystem losses; however, it is unclear whether it could provide appropriate habitat for the birds using on coastal ecotones. Here, we utilize a newly restored wetland as an example to investigate the impacts of coastal restoration on bird diversity, and test the hypothesis - if a reasonable habitat pattern is created, more birds will be attracted, thereby helping decision-makers develop efficient and sustainable coastal restoration strategies. We used Fragstats for landscape pattern analysis, and derived the variability in different habitat patterns by independent sample T-test and Mann-Whitney U test. The results suggested that the restored wetland exhibited a positive effect on attracting birds, with a total of 70 species, 35 families, and 15 orders of birds being recorded over a three-year period after restoration. Passeriformes are the main species, and accounted for 52.8% of bird species. Additionally, waterbird species, i.e., Ciconiiformes and Anseriformes, accounted for 24.67% of the total number of species. The number of bird species in the wetlands increased annually, especially during the overwintering and the breeding period. Furthermore, the results of this study indicate that water-centered mosaic-type habitat consisting of a relatively low degree of separation and high patch connectivity was beneficial to attracting different types of birds. The number of bird species, density, bird biodiversity index, evenness index, and dominance index for mosaic-type habitats were all higher than those for even habitat pattern with independent patches and sharp boundaries. In particular, the mosaic-type habitat attracted migratory waterbirds such as Anas zonorhyncha, Aix galericulata, Mareca penelope, Hydrophasianus chirurgus, Emberiza pallasi, Xenus cinereus, and Spatula querquedula, which expanded the range of birds attracted by coastal restoration projects. This study illustrated that coastal wetland restoration combined with a creation of water-centered mosaic-type habitat attracted more birds and could provide a reference for the restoration of degraded ecosystems in coastal zones.

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Limnological Studies Related to Physico-Chemical Characteristics of Water of Santragachi and Joypur Jheel, W.B., India

Cited by 11 publications

References 35 publications

Seasonal variation of algal diversity with reference to water quality in Jagadishpur Reservoir, Nepal

Seasonal variation of algal diversity with reference to water quality in Jagadishpur Reservoir, Nepal

Present status and diversity of avian fauna in Purbasthali bird sanctuary, West Bengal, India

Restored coastal wetlands with low degree of separation and high patch connectivity attract more birds

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