Results 261 to 270 of about 52,541 (306)

Species control of microalgae in an aquaculture pond

Water Research, 1991
Abstract To effectively control and maintain microalgal species in an aquaculture pond is necessary because microalgae play an important role in stabilizing pond water quality via either ammonia uptake or oxygen production. In this study, microalgae taken from a tilapia rearing pond were cultured, under various temperatures and ammonia-N ...
Kuo-Feng Tseng, Ju-Sheng Huang, I-Chiu Liao   +2 more
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Aquaculture in Ponds, Raceways, and Tanks

1995
An earlier chapter discussed aquaculture in natural and modified systems, those systems requiring little or no input by man to achieve a desired production level. This chapter deals with more advanced culture systems, that is, those requiring significant inputs by man in terms of resources, energy, and investment.
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The role of microorganisms in aquaculture ponds

Aquaculture, 1997
Microorganisms have major roles in pond culture, particularly with respect to productivity, nutrient cycling, the nutrition of the cultured animals, water quality, disease control and environmental impact of the effluent. Management of the activities of microorganisms in food webs and nutrient cycling in ponds is necessary for optimising production ...
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Selection of aerators for intensive aquacultural pond

Aquacultural Engineering, 2013
Abstract Aeration cost is the third largest cost in intensive aquaculture system after post larvae and feed cost representing about 15% of total production cost. Therefore, selection of aerators plays a major role in maximizing the profit in such system.
Avinash Kumar, Sanjib Moulick, Bimal Chandra Mal   +2 more
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A water budget model for pond aquaculture

Aquacultural Engineering, 1998
A water budget simulation model that can be used for forecasting water requirements for aquaculture ponds has been developed. Water sources considered in the model include regulated inflow, precipitation and runoff, whereas water losses include evaporation, seepage, effluent discharge, and overflow. The model has been validated for ponds located at the
Shree S. Nath, John P. Bolte
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Evaluation of the aquaculture pond water quality

2003, Las Vegas, NV July 27-30, 2003, 2003
According to the questionnaire and the fish’s endurance to the factors of water quality, this paper brings forward five grades water quality standard, establishes the index system of the evaluation, and calculates and selects the thickness of index system of the evaluation. The evaluation model and method were established.
null Wang Ruimei, null Fu Zetian, null Tang Guo, null Fu Lizhong, null Zhang Xiaoshuan   +4 more
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Development of a silt pump for aquacultural ponds

Aquacultural Engineering, 1989
Abstract Silt and organic residues accumulate in prawn ponds over time reducing harvest efficiency and production levels. A floating silt pump controlled by two guide wires stretched above the water was developed to remove this layer of silt material.
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A GENERAL MODEL OF THE AQUACULTURE POND ECOSYSTEM

Journal of the World Mariculture Society, 1984
ABSTRACTA computer model of a fertilized warm‐water aquaculture pond has been developed. The model is intended to represent the pond ecosystem and its response to external stimuli. The major physical, chemical, and biological processes and parameters are included in the model.
Raul H. Piedrahita, David E. Brune, George Tchobanoglous, Gerald T. Orlob   +3 more
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Waste Management in Aquaculture Ponds

2013
Su ürünleri yetiştiricilik faaliyetleri sonucu oluşan atıklar organik ve inorganik kaynaklıdır. Su ürünleriyetiştiriciliğinde organik atığın başlıca kaynağı yem ve fekal atıklardır. Bu tip atıklar ekosisteme girdiklerinde kafesaltında tabana çökerek sedimentte bir takım kimyasal ve biyokimyasal reaksiyonların meydana gelmesine ...
KARAKOCA, Seda, TOPÇU, Akasya
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Recommendation domains for pond aquaculture [PDF]

This publication introduces the methods and results of a research project that has developed a set of decision-support tools to identify places and sets of conditions for which a particular target aquaculture technology is considered feasible and therefore good to promote. The tools also identify the nature of constraints to aquaculture development and
Kam, S.P., Barth, H., Pemsl, D.E., Kriesemer, S.K., Teoh, S.J., Bose, M.L., WorldFish Center   +6 more
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