Aquarium CO2-Flasche / Einweg / kompatibel mit Tropica Plant Growth System Nano / Süßwasser
High Quality Content by WIKIPEDIA articles! Cyanide fishing is an illegal form of fishing common in South East Asia, which usually uses the chemical compound sodium cyanide. Since 2000, increasing restrictions on illegal dynamite fishing have led to an increasing growth in this indiscriminate method particularly as it can be used without generating noise. The use of cyanide as a fishing technique was first documented in the Philippines in 1962. An estimated 150,000 kg of cyanide is used in the Philippines annually by the aquarium trade and more than a million kg have been used since the 1960 s. In seawater sodium cyanide breaks down into sodium and cyanide ions. In humans, the latter blocks the oxygen-transporting protein haemoglobin, the haemoglobin in fish is closely related to that of humans, and can combine with oxygen even faster.
Freshwater Hydrocharitaceae of Bangladesh is represented by 6 genera namely, Hydrilla, Blyxa, Nechamandra, Vallisneria, Ottelia and Hydrocharis (Khan and Halim 1987). Under these genera 9 species have been reported so far. Another member of the Hydrocharitaceae Egeria densa Planchón commonly known as Brazilian elodea is native to the coast of southeastern Brazil through Argentina, was also cultivated as an aquarium plant in the tropical fish business. In Bangladesh Egeria densa did not found till 2009. The plant material of Egeria densa was collected in a remote natural lake of Bangladesh namely Bogakine situated in the hilly Bandarban district in 2010. After collection the plant was transferred in the Botanical Garden, Department of Botany, University of Dhaka for culturing. Egeria densa showed an unique life cycle in the study period. The studied species showed significant relationship with climatic factors in respect to their growth and regeneration. Among nutrients phosphorus can be important. Scopes still exist to carry out similar meso-scale growth studies and limnological investigation on threatened aquatic macrophytes of Bangladesh.
The ornamental fish sector is getting more attention as sector growth is a considerable and increased contribution towards earnings. Demand in the sector mainly depends on color and variety of fish. Carotenoids known to increase the intensity of color in fish hence carotenoids play a key role in attaining the attractive color in fish. The book on Effect of Beta Carotene on growth and color of Angel fish Pterophyllum Scalare is a comprehensive research work with the aim of using synthetic carotene as color and growth enhancer. The book describes the detailed approach and the concept behind it. This book will be a perfect guide for budding and young investigators and enthusiast aquarium keepers.
Chlorella is a single celled photosynthetic green alga which has potential as a source of bioenergy and some value added biochemical. The organism was obtained by blooming a mixture of cow dung extract and pond water, which was enhanced by aeration using an aquarium pump and artificial illumination with a bank of fluorescent tubes.The isolate was cultured using different animal (goat, pig, poultry, cow and grass cutter) waste extracts.The growth conditions for high biomass and lipid yield were studied for 21days at a temperature of 28±2oC. The growth was monitored both autotrophically and heterotrophically under different conditions viz artificial illumination (aerated and unaerated) with fluorescent tubes mounted in a chamber at a height of about 30cm and natural illumination.The result showed that poultry waste yielded highest cell dry matter and lipid content under natural illumination.The gas chromatography-mass spectrometry of the elemental composition of Chlorella oil revealed long chain fatty acid between C16-C18 indicating the presence of palmitic acid, linoleic acid and oleic acid with potential of biodiesel production.
The study was planed to determine the effects of different doses of hormone 17 -methyltestosterone (MT) and different protein level of feeding on masculinization, growth performance and meat quality in Nile tilapia (Oreochromis niloticus). The experiment was conducted in two phase. In phase-I, two experiments were performed in six aquaria (50fry/aqurium) with two replicates. In experiment A, aquarium -1 was used as control in which no hormone was given while in aquaria 2 and 3, the MT were given@ 60 and 70 mg MT/ Kg of feed containing 30 % crude protein. In experiment B, aquarium - 4 was used as control in which no hormone was given while in aquaria 5 and 6, the MT were given@ 60 and 70 mg MT/ Kg of feed containing 40 % crude protein. Both the experiments were run parallel in six aquaria for 30 days. After that, the fry were shifted to 6 earthen ponds (phase-II) in which feed was given without hormones on the same protein level as in phase-1, to monitor their growth performance for 183 days. At the final harvest frequency of males and females was determined by morphomatric characteristics and examination of gonads.
The ornamental fish sector is getting more attention as sector growth is a considerable and increased contribution towards earnings. Demand in the sector mainly depends on color and variety of fish. Carotenoids known to increase the intensity of color in fish hence carotenoids play a key role in attaining the attractive color in fish. The book on 'Effect of Beta Carotene on growth and color of Angel fish Pterophyllum Scalare' is a comprehensive research work with the aim of using synthetic ss carotene as color and growth enhancer. The book describes the detailed approach and the concept behind it. This book will be a perfect guide for budding and young investigators and enthusiast aquarium keepers.
The only place in the country where three of the 100 Great Towns of America adjoin is on the Monterey Peninsula. No surprise, given the combination of a spectacular coastline; a climate as ideal for human habitation as it is for lush landscapes; and natural constraints that slowed urban land development long enough for political sentiments to take over the role of protecting this unique natural setting from rampant growth. With incomparable beauty, there is plenty for visitors to enjoy year-round. A hike/bike path connects Monterey and Pacific Grove with flowery seascapes to within a block of famed historic Cannery Row; and the Seventeen Mile Drive is one of America's most picturesque scenic roads. Everyone should take time to stroll among storybook cottages in downtown Carmel, and marvel at how roads always yield rights of way to noble trees. Kayaking, hiking, fishing, boating and other sports are delightful in world-class land-and-sea settings from the Peninsula through Big Sur bounding the region on the south. The Monterey Aquarium is one of the finest in the nation. Lush landscapes and romantic settings have spawned sybaritic spas and romantic retreats in all three towns. Wineries and affiliated tasting rooms abound, as does gourmet food in all styles and price levels. Weather is hospitable most of the year. This guidebook will help you discover the marvels of this remarkable area.
Marine ornamental shrimp are amongst the most heavily traded invertebrate species in the aquarium industry. The majority of traded species are still collected from the wild, having a major effect on ocean ecosystems. An increase in the amount of culture of these species is now a major priority for those in the trade and for marine conservationists. Marine Ornamental Shrimp provides a global overview of the biology, culture and conservation of the major families of marine ornamental shrimp. Coverage in this thorough volume includes ecological aspects, reproductive biology, major techniques used in culture systems for maturation, larviculture, and juvenile growth, and details of the main conservation issues surrounding these important species including a discussion of the negative aspects of wild specimen collection and the ongoing efforts to mitigate such impacts. Marine Ornamental Shrimp is an important and extremely timely publication which will be an essential reference and manual for all those involved in the trade and culture of marine ornamental species, including aquaculture scientists and personnel in aquaria. Conservation biologists and invertebrate zoologists will also find much of importance within this book. Libraries in all universities and research establishments where aquaculture and biological sciences are studied and taught should have copies of this book on their shelves.