Biodiversity: The Non-natives Species Versus the Natives Species and Ecosystem Functioning

Dwivedi, Amitabh Chandra; Mayank, Priyanka; Tripathi, Sarita; Tiwari, Ashish

doi:10.4172/2376-0214.1000164

Cited by 12 publications

(12 citation statements)

References 52 publications

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“…In general, C. carpio and O. niloticus have not any ecological standard from the lotic ecosystem [5,[43][44][45].Both species are commercially exploited from the Ganga basin [46] and highly utilize natural resources, threat biodiversity of fishes and damage indigenous fish stock [47][48][49]. But reproductive system and recruitment process are damaging by high concentration of metals in fish body [50][51][52][53].…”

Section: Chemical Oxygen Demand (Cod)mentioning

confidence: 99%

Environmental pollution supports to constancy and invader potential of Cyprinus carpio and Oreochromis niloticus from the Ganga river, India

Dwivedi¹,

Tiwari²,

Mayank³

2018

IJPFS

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Cyprinus carpio (Common carp) and Oreochromis niloticus (Nile tilapia) are commercially and frequently exploited fishes from the Ganga river at Kanpur, India. Study was undertaken during the period 2012 to 2013 from the Ganga river. Rivers are heavily impacted due to their use for carrying off the industrial, municipal, agricultural and domestic effluents. Water samples were collected for the present study from the Ganga river at Kanpur. The minimum temperature was recorded in winter season and maximum in summer season. The pH, TDS, EC, phosphate, chloride, total hardness, nitrate, DO and all heavy metals (e.g. Cu, Cr, Cd, Zn, Pb, Hg) values exhibited their minimum in monsoon season. The sulphate and BOD were recorded minimum in winter season while alkalinity and COD had their lowest values in summer season. The water quality of the Kanpur station was very poor which is not suitable for Indian major carp (IMC). However, the Ganga river waters could host some tolerant fish species such as the exotic Cyprinus carpio and Oreochromis niloticus and also catfishes. All these species are very hardy, in respect of water quality (poor), thus they have strongly invaded in despoiled ecosystem of the river.

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Section: Chemical Oxygen Demand (Cod)mentioning

confidence: 99%

Environmental pollution supports to constancy and invader potential of Cyprinus carpio and Oreochromis niloticus from the Ganga river, India

Dwivedi¹,

Tiwari²,

Mayank³

2018

IJPFS

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“…[8][9][10][11][12] C. carpio is a large size and fast growing fish species with are netted in large numbers from the rivers, reservoirs and lakes. [13][14][15][16][17] It is back bone of capture fishery in the Ganga basin, India. [18][19] A lot of freshwater ecosystems suffer from dense stock of C. carpio.…”

Section: Introductionmentioning

confidence: 99%

Age structure of non-native fish species, Cyprinus carpio (Linnaeus, 1758) from the tributary of the Ganga river, India

Dwivedi¹

2021

JAMB

Self Cite

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Cyprinus carpio (e.g. culture and wild/capture) constitute a large part of daily meal of human population in Indian sub-continent. It shows benthic and sedentary behavior. Age structure of C. carpio was studied during February 2019 to January 2020 from fish landing centre at Sirsa, Prayagraj, Uttar Pradesh, India. The key scales were studied for estimation of age structure in the present study. A total of 548 fish specimens in length ranges between 97 to 687 mm and age classes of 0+ to 9+ were observed. Age structures were determined for male, female and pooled samples separately. The 1+ age group was most dominating stock with shared 23.53%, 24.64% and 24.09% in case of male, female and pooled samples, respectively. The age group 2+ was second dominating age class and this age class more attracted to fishermen for the exploitation. In case of pooled sample, 1+ age group was also dominated compared to 2+ and 3+ age groups. The old age groups of fishes were shared very minute proportion in the total stock. Present study was also indicated that the female fishes live longer than male from the Tons river at Prayagraj, India.

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“…The non-native fish impact assessment and native fish stock management in respect of ecosystem function, biodiversity, recruitment pattern and fish stock, presently disputing both environmental executives (e.g. policy maker/government) and scientific communities especially in riverine sector and other large water bodies in developing countries [1][2][3][4]. Non-native species may become invasive and are capable of decreasing biodiversity through competition, spreading exotic diseases, predation and habitat degradation, genetic deterioration of wild populations through hybridization and gene introgression in short or long course of time [5][6][7][8].…”

Section: Introductionmentioning

confidence: 99%

Invasion Potential, Impact and Population Structure of Non-native Fish Species, Cyprinus carpio (Linnaeus, 1758) from the Tributary of the Ganga River, Central India

2021

Aquac Fish Stud

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Cyprinus carpio is commonly called as common carp is non-native fish species or an exotic major carp for India. C. carpio forms a capture fishery of great value in the Ganga river system and other major riverine system and large water bodies of the country, apart from being one of the important species in the culture fishery of the country due to high consumer preference and higher production with Indian major carp (Catla catla, Labeo rohita, Cirrhinus mrigala) [3,16,25,26]. It is widely distributed in the inland water in India [27,28]. The present study was thus undertaken to estimate invasion potential and population structure of C. carpio from the Tons river at Prayagraj, Uttar Pradesh, Central India. This study will help in enhancing the productivity of the river and formulating the fishery management policies of C. carpio from the Tons river in respect of Indian major carp. Material and MethodsThe fish samples of Cyprinus carpio were collected from Sirsa fish landing centre at Prayagraj, Uttar Pradesh, India during February 2019 to January 2020 (Map 1). Samples of the key scales from 548 fish specimens in the length ranges between 97 to 687 mm were examined for determination of age group and population structure. The key scales were removed from the row above lateral line and below dorsal fin region [17,29]. The scales were cleaned in 5% KOH solution to remove adhering-tissues and finally washed in distilled water. The

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Biodiversity: The Non-natives Species Versus the Natives Species and Ecosystem Functioning

Cited by 12 publications

References 52 publications

Environmental pollution supports to constancy and invader potential of Cyprinus carpio and Oreochromis niloticus from the Ganga river, India

Environmental pollution supports to constancy and invader potential of Cyprinus carpio and Oreochromis niloticus from the Ganga river, India

Age structure of non-native fish species, Cyprinus carpio (Linnaeus, 1758) from the tributary of the Ganga river, India

Invasion Potential, Impact and Population Structure of Non-native Fish Species, Cyprinus carpio (Linnaeus, 1758) from the Tributary of the Ganga River, Central India

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