Landscape Transformations, Morphometry, and Trophic Status of Anchar Wetland in Kashmir Himalaya: Implications for Urban Wetland Management

Dar, Shahid Ahmad; Bhat, Sami Ullah; Rashid, Irfan

doi:10.1007/s11270-021-05416-5

Cited by 21 publications

(3 citation statements)

References 68 publications

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“…Anchar Wetland supports the livelihoods of a huge number of the human population (Dar et al, 2021b). The Wetland faces huge anthropogenic pressures as more than half of the area is used for agriculture.…”

Section: Methodsmentioning

confidence: 99%

Deciphering the source contribution of organic matter accumulation in an urban wetland ecosystem

et al. 2022

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A better understanding of the organic matter (OM) dynamics is a key to successful wetland management. We established the radiocarbon chronology (14C) and vertical distribution of nitrogen (N), phosphorus (P), OM, and carbon to nitrogen ratio (C/N) in the sediment core retrieved from the Anchar Wetland, Kashmir Himalaya. The accelerator mass spectrometer (AMS) assisted 14C dating of the sediment core showed 14C age reversals related to occasional disturbances. The vertical distribution of various fractions revealed increased concentrations of organic carbon (OC), OM, and nutrients (N and P) in the upper part of the sediment core, largely related to increased anthropogenic inputs from the catchment areas during recent decades. Further, the low to high C/N ratio (1.3–36.4) suggests a combination of both the autochthonous and allochthonous inputs as the major contributors of OM to the wetland ecosystem. The linear regression model showed significant (p < 0.05) positive and negative relationships among various analyzed parameters. Principal component analysis (PCA) resulted in three principal components (PCs) accounting for a cumulative variance of 83.6%. The PCA suggests that the primary production, human activities such as extraction of Lotus stems (Nadru) and fishing, and terrestrial inputs (sewage disposal and fertilizer runoff) are the major factors controlling the distribution of organic fractions and nutrients. This study provides important insights into the sources and distribution of sedimentary OM and nutrients crucial for assessing the risks of pollution and for adopting the socially, politically, and scientifically robust strategies for the management of wetlands.

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Section: Methodsmentioning

confidence: 99%

Deciphering the source contribution of organic matter accumulation in an urban wetland ecosystem

et al. 2022

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“…Some wetlands have preserved historical relics, reflecting their profound humanistic heritage and rich material cultural heritage, and are an important place for studying history and culture [15]. Due to long-term human activities, they have become not just a physical landscape but a cultural landscape [16].…”

Section: Effect Of Wetland On Ecological Environmentmentioning

confidence: 99%

The Impact of Urban Development on Wetland Conservation

Gou

et al. 2022

Sustainability

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Wetland is an integrated ecosystem which includes ecosystems such as hydrology, soil, vegetation, and biological environments. At present, the urbanization rate of China’s national economic development process is rapidly increasing, and by the end of 2021, the urbanization rate of China’s resident population will be 64.72%. This paper analyzes the hydrological effects of urbanization, the impact of water resources, climate change, and biodiversity on wetland ecosystems, and also analyzes the role of wetlands on the ecological environment, especially in terms of ecological and cultural values. The economic and social benefits of the whole society are also analyzed. The ecological and social benefits of urban wetlands have made their conservation and sustainable development increasingly important worldwide. Based on the current situation of China’s urban wetland protection and restoration, we put forward countermeasures and suggestions for China’s urban wetland protection. This is conducive to promoting the sustainable development of the urban wetland ecosystem, promoting the operation of the market, realizing the optimal allocation of ecological resources, improving the benefits of ecological environmental protection, and promoting the coordinated development of the ecological environment. This paper provides a reference for the better development of wetland conservation under urbanization development conditions.

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“…Indeed, the open collectors intended for transit of rainwater receives a mixture of wastewater from the industrial area of Cotonou, which is discharged into the Cotonou lagoon [9]. These practices gradually intensify the chemical, organic and microbiological pollution of the outfalls [10,11], leading to environmental degradation and declined productivity of aquatic ecosystems [12,13], as well as deterioration of the living environment of riparian populations [14][15][16].…”

Section: Introductionmentioning

confidence: 99%

Assessment of Physicochemical and Metal Concentrations in Wastewater from the Industrial Zone of Cotonou Benin

Janvier¹,

Sètondji²,

Damien³

et al. 2022

IJECC

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The present study aimed to assess the physico-chemical quality of wastewater(s) in order to better control the flow of various pollutants generated by the industries from the industrial zone of Cotonou. Water samples were collected in triplicate in each collector and analyzed for their nutrient and metal content (Cu2+, Fe2+, Cd2+, Al3+ and Pb2+) and chemical oxygen demand (COD) and a five-day biochemical oxygen demand (BOD5) were carried out by spectrophotometry. The results revealed highly mineralized waters, indicated by average pH (6.97± 0.34), dissolved oxygen (5.16 ± 0.29 mg/L), electrical conductivity (2280.58 ± 263.97 µS/cm) and total dissolved solids (1076.04 ± 51.01 mg/L). The values of COD (482.05± 1.18 mg/L) and BOD5 (291.67 ±2.19 mg/L) were very high, exceeding the standard for industrial wastewater discharge in Benin respectively by 5 and 11 which is indicative of the presence of very poor biodegradable materials coming essentially from industrial discharge in the study area. The concentration of Cd2+, Pb2+ and nutrient salts indicative of eutrophication were relatively low in the collectors. However, the concentration of Al3+ (2.65±0.03 mg/L) and Cu2+ (10.20 ± 0.14 mg/L) were very high with the later cation being four times higher than the wastewater standard in Benin (2.5 mg/L) for the most heavily loaded collectors. In conclusion, the results of this study provide useful insights for implementation of purification system and efficient management of wastewater from industries.

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Landscape Transformations, Morphometry, and Trophic Status of Anchar Wetland in Kashmir Himalaya: Implications for Urban Wetland Management

Cited by 21 publications

References 68 publications

Deciphering the source contribution of organic matter accumulation in an urban wetland ecosystem

Deciphering the source contribution of organic matter accumulation in an urban wetland ecosystem

The Impact of Urban Development on Wetland Conservation

Assessment of Physicochemical and Metal Concentrations in Wastewater from the Industrial Zone of Cotonou Benin

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