Surface water quality and intensive fish culture

Teodorowicz, Mariusz

doi:10.2478/aopf-2013-0007

Cited by 14 publications

(21 citation statements)

References 54 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…This duration of water residence depends on the morphometry and hydrology and associated with the characteristic of inflow and outflow of the reservoir. This characteristic will affect by the function of reservoirs which further result both phosphorus accumulation in sediments and losses within lakes then bound to sedimentary rocks [12]. This losses are most commonly conceptualized as a function of the area of hydraulic loading rate or mean lake depth and a putative particle settling velocity [13].…”

Section: Resultsmentioning

confidence: 99%

Phosphorus Loading from Fish Farming Activities to Wadaslintang Reservoir Waters

2018

View full text Add to dashboard Cite

Wadaslintang Reservoir located in Wonosobo Regency of Central Java provides to fish farming area using floating net cage. There are 2 feeding system applied that are semi intensively system managed by local community and super intensively managed by PT. Aquafarm. Both different feeding systems resulted in the amount of pollutant load coming into the reservoirs in the form of total P derived from the remaining feed and feces of fish entering into the reservoir. This can trigger the eutrophication condition of the reservoir waters. The purposes of this study were 1) to calculate the capacity of Wadaslintang reservoir to phosphorus load based on its morphometry and hydrology, 2) to evaluate the capacity of wadaslintang reservoir to Phosphorus load from floating net cage activities in wadaslintang reservoir, and 3) to design the program on the reducing load of Total Phosphorus from floating net activities in wadaslintang reservoir. The research was conducted by survey method in the Wadaslintang Reservoir during January 2016 in both locations of floating net cage fish farming. Parameters measured were P content in fish and P content of feed used in both cultivation systems, and P concentration of reservoir water. The amount of pollutant load coming into the reservoir and its impact on the P concentration of water was calculated using the formula. The results showed that Wadaslintang Reservoir to phosphorus load capacity was 106,56 ton P/year. The Phosphorus load from floating net cage was 216,2 ton P/year. The P load from PT. Aquafarm have exceeded the capacity as much as 70,74 ton P/year. In general the existence of fish farming system using floating net cage in Wadaslintang Reservoir has contributed to increase the concentration of P equal to 43,9% or in other words as much as 50% of P load that goes into reservoir of wadaslintang. Programs designed to reduce the phosphorus load could be done by reducing the number of floating net and decreasing all the activities in the catchment area up to 50% to fulfill phosphorus standard of 100 mg/m3.

show abstract

Section: Resultsmentioning

confidence: 99%

Phosphorus Loading from Fish Farming Activities to Wadaslintang Reservoir Waters

2018

View full text Add to dashboard Cite

show abstract

“…Chów ryb wymaga dobrej jakości wody doprowadzanej do stawów, bogatej w związki biogenne i o odpowiedniej zawartości tlenu [Bhatnagar, Devi 2013], które zapewniają dobry rozwój i maksymalizację przeżywalności. Wymaga również optymalnej dawki pasz i zabiegów pielęgnacyjnych (nawożenia, dezynfekowania), które mogą wpłynąć na jakość wód odprowadzanych [Teodorowicz 2013, Wezel i in. 2013.…”

Section: Wstępunclassified

Influence of Carp Breeding on Physicochemical State of Water in Fish Pond and Receive

Kanownik¹,

Wiśnios²

2015

Inż. Ekolog.

View full text Add to dashboard Cite

STRESZCZENIE W pracy przedstawiono wyniki badań fizykochemicznych wody zasilającej oraz stawów karpiowych w gospodarstwie rybackim Mydlniki w województwie małopolskim. W punktach pomiarowo-kontrolnych usytuowanych na rzece Rudawie przed i poniżej gospodarstwa oraz w czterech stawach hodowlanych oznaczono w wodzie: temperaturę, zawartość tlenu rozpuszczonego, stopień nasycenia tlenem, przewodność elektrolityczną właściwą i pH, oraz stężenie zawiesiny ogólnej, substancji rozpuszczonych, składników mineralnych-SO 4 2-, Cl-, Ca 2+ , Mg 2+ , Na + , K + , Fe i Mn, a także związków biogennych (PO 4 3-, N-NH 4 + , N-NO 2-, N-NO 3-). Na podstawie badań stwierdzono, że woda rzeki Rudawy zasilająca stawy nie spełnia wymagań, jakim powinny odpowiadać wody śródlądowe stanowiące naturalne środowisko życia ryb karpiowatych. Jej stan fizykochemiczny jest poniżej dobrego ze względu na wysokie stężenie fosforanów. Statystyczna analiza 19 badanych cech wody wykazała pozytywny wpływ chowu karpia na jakość wody w stawach hodowlanych. Stężenie związków biogennych (fosforanów, azotu azotynowego i azotanowego), substancji rozpuszczonych, wapnia oraz przewodność elektrolityczna właściwa wody w stawach zmniejszyło się średnio o 30 do 87% w porównaniu do cieku zasilającego.

show abstract

“…The environmental effects of aquaculture can be managed in inland fish farming, but preventing the nutrients and other harmful substances discharging from open-water establishments is difficult, if not impossible. Regardless the farm establishment types or the fish species reared, fish farms are inevitably causing negative impacts on water quality [2].…”

Section: Introductionmentioning

confidence: 99%

Ecological Monitoring of Marine Fish Farming Activities by Enteromorpha Intestinalis (Chlorophyta)

Aulio¹

2014

IJEMA

View full text Add to dashboard Cite

The biomass production of algae was markedly enhanced near a large fish farming establishment in the northern Baltic Sea, SW coast of Finland. The mean biomass values of the dominant filamentous green alga Enteromorpha intestinalis at sites near the fish farming establishment were 3-fold the values at the control site (160-190 g/ m 2 vs. 64 g/m 2 ). The nutrient discharges from the fish farms were reflected in the elemental contents of the algal tissues. The contents of phosphorus (mean values in the farming area vs. at the control site) were 0.30-0.33% (dry weight) vs. 0.25%,and the levels of N were 1.8-2.1 % vs. 1.6%. On the basis of the nutrient contents, nitrogen is the growth-limiting nutrient in these coastal waters. The results are thus in contrast with the commonly accepted view that the reduction of phosphorus discharges is the main objective in water management. In addition, the accumulation of zinc in the tissues of Enteromorpha appeared to be a useful indicator of fish farming activities.

show abstract

Surface water quality and intensive fish culture

Cited by 14 publications

References 54 publications

Phosphorus Loading from Fish Farming Activities to Wadaslintang Reservoir Waters

Phosphorus Loading from Fish Farming Activities to Wadaslintang Reservoir Waters

Influence of Carp Breeding on Physicochemical State of Water in Fish Pond and Receive

Ecological Monitoring of Marine Fish Farming Activities by Enteromorpha Intestinalis (Chlorophyta)

Contact Info

Product

Resources

About