scholarly journals Occurence and Abundance of some Copepods in a Fish Pond in Rajshahi, Bangladesh in relation to the Physico-Chemical Conditions

1970 ◽  
Vol 16 ◽  
pp. 115-119
Author(s):  
Abdus Salam Bhuiyan ◽  
MT Islam ◽  
R Sharmeen
Keyword(s):  
Key Words ◽  
Seasonal Succession ◽  
Fish Pond ◽  
University Campus ◽  
Chemical Parameters ◽  
Physico Chemical ◽  
Chemical Conditions

An investigation was carried out to find out the occurrence and abundance of copepods in relation to physico-chemical parameters in a fish pond within the Rajshahi University Campus, Rajshahi, Bangladesh from December, 2006 to September, 2007. A total of 5 genera of copepods of which 2 species belong to Cyclops were identified. Highest density of copepods (768 units/l) was observed in May 2007. Seasonal succession of copepods showed the most abundance in spring, followed by winter, summer and autumn. Correlationship between different physico-chemical parameters and copepods were also analyzed. Key words: Copepod occurrence, physico-chemical parameters, fish pond.   DOI:10.3329/jbs.v16i0.3752 J. bio-sci. 16: 115-119, 2008

scholarly journals Diurnal vertical migration of some cladocerans in relation to the physico-chemical factors in a fish pond

1970 ◽  
Vol 20 (2) ◽  
pp. 147-154 ◽  
Author(s):  
AS Bhuiyan ◽  
S Akhter ◽  
MMA Quddus
Keyword(s):  
Key Words ◽  
Vertical Migration ◽  
Fish Pond ◽  
Chemical Parameters ◽  
Surface Layers ◽  
Diurnal Vertical Migration ◽  
Physico Chemical ◽  
Chemical Factors ◽  
Diurnal Movement ◽  
The Relationship

Diurnal vertical migration of four genera of cladocerans, namely Diaphanosoma sp., Daphnia sp., Moina sp. and Bosmina sp., during March to December, 2007 showed that the number of Diaphanosoma sp. was 501 units/1 in the surface layers, 172 units/l in the middle layers and 190 units/l in the bottom layers. The yearly number of Daphnia sp. in surface, middle and bottom layerss was 362 units/l, 46 units/l and 189 units/l respectively. In surface, bottom and middle layers, the number of Moina sp. was 159, 71 and 32 units/l, respectively. Bosmina sp. was 78 units/l in surface, 31 units/l in the middle and 33 units/l in the bottom layers. The number of Diaphanosoma sp., Daphnia sp., Moina sp., Bosmina sp., were 455, 149, 259 and 358 units/l, respectively in the morning, 63, 176, 142, 43 units/l at noon and 107, 55, 28, 59 units/l, respectively in the evening. Throughout the study period the cladocerans were always abundant near the surface during morning and evening. Among the factors responsible for the diurnal movement of cadoceran, light played the most important factor. The relationship between the physico-chemical factors and the cladoceran occurrence in the pond was also explored. Key words: Cladocera; Diurnal migration; Physico-chemical parameters; Fish pond DOI: http://dx.doi.org/10.3329/dujbs.v20i2.8975 DUJBS 2011; 20(2): 147-154

Physio-chemical conditions and plankton population of two fishponds in Khulna

1970 ◽  
Vol 25 ◽  
pp. 41-44 ◽  
Author(s):  
Abdullah Harun Chowdhury ◽  
Abdullah Al Mamun
Keyword(s):  
Key Words ◽  
Current Status ◽  
University Campus ◽  
Physico Chemical ◽  
Chemical Conditions ◽  
Plankton Population

Sixteen physico-chemical variables, and the diversity and abundance of phyto- and zooplankton of two fishponds in Khulna University Campus have been studied during October 2003 and September 2004. A total of 25 phytoplankton genera, 7 belonging to Cyanophyceae, 7 to Chlorophyceae, 8 to Bacillario-phyceae and 3 to Euglenophyceae, and 18 zooplankton genera, 4 belonging to Copepoda, 7 to Cladocera and 7 to Rotifera, were recorded. Both ponds were permanently alkaline in nature. The values of TDS, BOD and phosphate, and the current status of plankton population imply that the study ponds were eutrophic in nature. Key words: Fishponds, physico-chemical conditions, plankton population, Khulna Univ. j. zool. Rajshahi Univ. Vol.25 2006 p.41-44

scholarly journals A study on the abundance of zooplankton of a culture and a non-culture pond of the Rajshahi University campus

1970 ◽  
Vol 27 ◽  
pp. 35-41 ◽  
Author(s):  
Sharmeen Rahman ◽  
M Afzal Hussain
Keyword(s):  
Management Practices ◽  
University Campus ◽  
Total Zooplankton ◽  
Chemical Parameters ◽  
Important Food ◽  
Physico Chemical ◽  
Bicarbonate Alkalinity ◽  
Carbon Dioxide Co2 ◽  
Zooplankton Production ◽  
Important Food Item

Zooplankton constitute important food item of many omnivorous and carnivorous fishes. The study was conducted with an aim to study the zooplankton production including physico-chemical parameters with an emphasis to the existing management practices taken by the operators. The study was carried out in a culture and a non-culture pond of Rajshahi University campus was carried out from September, 2004 to February, 2005. Monthly fluctuations of some physico-chemical parameters were noted. The ponds showed alkaline in nature with moderate bicarbonate alkalinity. Diurnal change of water temperature, free CO2 and dissolved Oxygen were also studied. Four groups of zooplankton were identified, of which copepods (1260 units/l and 973.33 units/l in pond-1 and pond-2 respectively) were most dominant. A total of 9 genera of zooplankton were identified of which Cyclops (68.25% and 60.28% of total copepods) was most abundant in both ponds. Total zooplankton showed positive correlation with pH, carbonate alkalinity (CO3) and bicarbonate alkalinity (HCO3) in both ponds and DO, carbon dioxide (CO2) in pond-1. Present findings indicated that the culture pond showed better result than that of the non-culture pond regarding zooplankton production. Key words: Zooplankton, culture pond, non-culture pond, physico-chemical parameters.   doi:10.3329/ujzru.v27i0.1951 Univ. j. zool. Rajshahi Univ. Vol. 27, 2008 pp. 35-41

Colloidal speciation of heavy metals in runoff and interstitial waters of a retention/infiltration pond

2006 ◽  
Vol 54 (6-7) ◽  
pp. 307-314 ◽  
Author(s):  
B. Béchet ◽  
B. Durin ◽  
M. Legret ◽  
P. Le Cloirec
Keyword(s):  
Heavy Metals ◽  
Strong Impact ◽  
Chemical Parameters ◽  
Runoff Water ◽  
Lead And Cadmium ◽  
Physico Chemical ◽  
High Concentrations ◽  
Chemical Conditions ◽  
The Impact ◽  
Interstitial Waters

The thickness of non-saturated zone and physico-chemical conditions are important parameters to assess the impact of infiltration ponds on water resources with respect to heavy metals transfer. As changes in physico-chemical parameters of solutions have a strong impact on the mobility of colloidal phases in sediments and soils, the colloidal facilitated transfer of heavy metals has to be investigated. Therefore, this study focuses on the characterization of runoff, surface and interstitial waters in a retention/infiltration pond collecting runoff waters of a bridge near Nantes. Physico-chemical parameters and chemical analyses were performed on the waters during about one year. The separation of dissolved and colloidal fractions was carried out by filtration and ultrafiltration for one sample of surface and interstitial waters. Until now, the runoff waters were only filtered at 0.45 μm. The comparison of physico-chemical data shows that the minor variations of runoff water parameters are mitigated in basin and in soils but strong variations impact the composition of interstitial waters. High concentrations of zinc, copper and still of lead are measured in runoff. Lead and cadmium seem to be associated to colloidal and particulate fractions while zinc, copper, nickel and chromium are distributed in all fractions.

scholarly journals Physico-chemical parameters and primary productivity of a fish pond of Madhumara, Biratnagar

2013 ◽  
Vol 3 (1) ◽  
pp. 38-44
Author(s):  
Purna Bahadur Chhetri ◽  
Damodar Thapa Chhetry
Keyword(s):  
Primary Productivity ◽  
Net Primary Productivity ◽  
Winter Season ◽  
Summer Season ◽  
Fish Pond ◽  
Community Respiration ◽  
Total Hardness ◽  
Chemical Parameters ◽  
Physico Chemical ◽  
Free Carbon Dioxide

The physico-chemical parameters and primary productivity of a fish pond of Madhumara, Biratnagar was studied from October 2007 to September 2008. The maximum air and water temperature and water transparency were recorded in rainy season, whereas maximum pH, dissolved oxygen and chloride were recorded in winter season.  Free carbon dioxide and total hardness were maximum in summer season. The gross primary productivity, net primary productivity and community respiration were found maximum in winter season.

scholarly journals Some aspects of the ecology of freshwater algae in the Densu River and two tributaries in Southern Ghana

2014 ◽  
Vol 3 (2) ◽  
pp. 246-257 ◽  
Author(s):  
Ted Y Annang ◽  
RD Yirenya-Tawiah ◽  
GC Clerk ◽  
Thomas Smith
Keyword(s):  
River Water ◽  
Sampling Site ◽  
Freshwater Algae ◽  
Sample Collection ◽  
Chemical Parameters ◽  
Physico Chemical ◽  
Physical And Chemical Parameters ◽  
Chemical Conditions ◽  
Physical And Chemical ◽  
Southern Ghana

Studies on the composition and abundance of the phytoplankton in River Densu and two of its tributaries, Rivers Adeiso and Nsakir were carried out at ten sampling sites, including seven from different regions of the river basin namely Afuaman, Akwadum, Densuso, Manhean, Machigeni, Nsawam and Weija, as well as Adeisoand Pokuase. Sampling was done monthly at each sampling site from January to December, 2006. Physical and chemical parameters of river water were studied. The parameters of the river water varied with the sampling sites and the time of the year. Water samples for phytoplankton identification and enumeration were collected at each sampling site. Physico-chemical conditions of the river were assessed during sample collection or in the laboratory. Correlation analysis showed that there was a positive correlation between algal genera and the measured physical and chemical parameters of the river water. DOI: http://dx.doi.org/10.3126/ije.v3i2.10637 International Journal of the Environment Vol.3(2) 2014: 246-257

scholarly journals Comparative Analysis of some Water Quality Parameters of three Lakes in Jahangirnagar University Campus, Savar, Bangladesh

2016 ◽  
Vol 43 (2) ◽  
pp. 239-250
Author(s):  
Md Ashrafur Rahman ◽  
Sabira Sultana ◽  
Md Abdus Salam
Keyword(s):  
Water Depth ◽  
Quality Parameters ◽  
Total Alkalinity ◽  
University Campus ◽  
Chemical Parameters ◽  
Water Color ◽  
Normal Range ◽  
Temperature Conductivity ◽  
Physico Chemical ◽  
Depth Water

Study was conducted to determine the physico-chemical parameters of water of three different lakes in Jahangirnagar University campus from March to November, 2013. The selected parameters were water depth, water temperature, conductivity, transparency, pH, dissolve O2, free CO2, total alkalinity, hardness, sulfate and water color. Water depth fluctuated from 140 cm to 385 cm, temperature ranged from 250C to 310C, conductivities ranged from 627 ?S/cm to 1544 ?S/cm, transparency from 22 cm to 87 cm, considerable variation of water colors were found and pH ranged from 6.4 to 7.5 without having any significant fluctuation. Dissolve oxygen (DO) ranged from 2.7 mg/l to 7.6 mg/l, carbon dioxide level ranged from 16 mg/l to 62 mg/l, total alkalinity and hardness were ranged from 43 mg/l to 92 mg/l and 63 mg/l to 134 mg/l, respectively with slight variations in different lakes in different months. During the study period, all the spots showed minimum fluctuation of physico-chemical parameters from the normal range without having some exceptions.Bangladesh J. Zool. 43(2): 239-250, 2015

scholarly journals Mycological and physico-chemical study of a fish pond in Paniyala in Haridwar district of Uttarakhand

2013 ◽  
Vol 14 (3) ◽  
pp. 79-83
Author(s):  
D.R. Khanna ◽  
Rajni Rana ◽  
Fouzia Ishaq
Keyword(s):  
Dissolved Oxygen ◽  
Aspergillus Flavus ◽  
Oxygen Demand ◽  
Chemical Study ◽  
Fungal Species ◽  
Fish Pond ◽  
Chemical Parameters ◽  
Physico Chemical ◽  
Minimum Number ◽  
Calcium And Magnesium

Water is essential to life, but many people do not have access to clean and safe drinking water and many die of waterborne microbial infections. Mycological studies and physico-chemical parameters are an important criterion for evaluating the suitability of water for various purposes. In this study, we tried to assess the fungal species richness and physico-chemical status of fish pond in Paniyala in Haridwar district of Uttarakhand to predict the state of this pond. A total of four species were recorded which include Aspergillus flavus, Candida albicans, Penicillium Spp. and Fusarium Spp. Present study revealed that among fungal species, Aspergillus flavus was reported with higher in number 7.44±3.45 (ml-1x103) and Fusarium Spp.was recorded with minimum number of 5.15±2.06 (ml-1x103). The total species diversity was higher in the month of April (39.80 ml1x103. The water samples were also analyzed for physico-chemical parameters like temperature, pH, conductivity, DO, BOD, Free CO2, calcium and magnesium.  Higher value of temperature, pH, BOD, Free CO2 and lower values of dissolved oxygen concentration were recorded and the results revealed deteriorated water quality. The fungal population showed positive significant correlation with physico-chemical parameters like, temperature, pH, biological oxygen demand, calcium and magnesium whereas negatively correlated with conductivity and dissolved oxygen.

Physico-Chemical Properties of the Fish Pond Water in CMU, Bukidnon, Philippines

2019 ◽  
Vol 23 (2) ◽  
Author(s):  
Gloria Jesusa Baltazar ◽  
Keyword(s):  
Chemical Properties ◽  
Pond Water ◽  
Fish Pond ◽  
Chemical Parameters ◽  
Physico Chemical

fish pond, physico-chemical parameters, CMU

scholarly journals Comparative study on physico chemical parameters of soil and water among three aquatic successional stages at Jahangirnagar University campus

2013 ◽  
Vol 2 ◽  
pp. 26-34
Author(s):  
Sharmin Sultana ◽  
ME Huda
Keyword(s):  
Comparative Study ◽  
University Campus ◽  
Chemical Parameters ◽  
Physico Chemical ◽  
Successional Stages ◽  
Soil And Water

Jahangirnagar University Environmental Bulletin, Vol.2, 26-34, 2013 DOI: http://dx.doi.org/10.3329/jueb.v2i0.16327

Sign in / Sign up

Export Citation Format

Share Document