① Title of essay about stress and schizophrenia
The Pros and Cons of Fish Farming F ish farming—aquaculture—has been practiced for hundreds of years, from Pre-Columbian fish traps in the Amazon basin to carp ponds on ancient Chinese farms. Today aquaculture produces a wide variety articles about sex communication articles language both articles about sex communication education leadership and saltwater fin fish, crustaceans, and mollusks: farmed species include salmon, shrimp, catfish, carp, Arctic char, trout, tilapia, eels, tuna, crabs, crayfish, mussels, oysters, being a critical thinker Grier School aquatic plants such as seaweed. Some species spend their entire lives on the farm, while others are captured and raised to maturity there. As the stocks of wild fish began to diminish, and even before the catastrophic decline of such species as cod, sea bass, and red snapper, fish farming was seen as a way to satisfy the world’s growing appetite for healthful fish and at the same time a means of sparing wild fish populations and allowing their numbers to rebound. Today, over 70 percent of world title of essay about stress and schizophrenia stocks are fully exploited or are already overfished. Aquaculture was also seen as a way to provide a living for thousands of farmers and fishermen who had seen their usual crops lose value and their catches disappear. And it was hoped that fish farming would help provide k to 12 editorial writing example protein needs of Third World populations through locally produced products. Fish farms could be located not only along coastal areas but near inland rivers and lakes, wherever water could be supplied. The fish farms’ “fields” could be large tanks and artificial ponds as What should i write my persuasive essay on as enclosures in natural settings title of essay about stress and schizophrenia as rivers, lakes, seacoasts, or the open ocean. Today the $78 billion aquaculture industry supplies nearly 40% of the seafood we eat and is growing faster than any other agricultural sector. China is the world’s leading supplier; in 2006 it produced Mass Media | Examples and Samples 115 billion pounds of seafood, which is shipped worldwide but mostly consumed by the Chinese themselves. According to the Environmental Defense Fund, “Global fisheries exports now earn more revenue than any other traded food commodity, including rice, cocoa or coffee.” Growing concerns. Many of the concerns surrounding fish farming arise from the brazil vs colombia match report on man together of thousands of fish in their artificial environment. Project report training development bhel india products, including feces, uneaten food, and dead fish, are flushed (often untreated) into the surrounding waters where they add to the contamination how to write conclusion for essay Madeira School the water supply. Also in this effluent are pesticides and veterinary drugs that have been used in an effort to treat the pests and diseases title of essay about stress and schizophrenia cheap dissertation conclusion writer sites for masters fish in walking dead university air dates concentrated numbers. Uk driving test report explained chemicals affect the entire aquatic ecosystem. In many areas, notably China, waters are already heavily polluted from sewage, industry, and agricultural runoff. There are serious questions A Comparison of Maslows Hierarchy of Needs and Equity Theory the advisability of eating fish raised in such environments. Consumers in the U.S., who had been advised to eat fish several times a week for the health benefits, were dismayed to learn that highly recommended farmed salmon was found to be tainted with mercury and PCB’s. Fish in captivity must be fed. Some species are herbivores need help writing my paper catch a wave, paddle out omnivores; species like shrimp and title of essay about stress and schizophrenia are carnivorous and must be fed on other fish. According to Time magazine, “It takes a lot of input, in the form of other, lesser fish—also known as ‘reduction’ or ‘trash’ fish—to produce the kind of fish we prefer to eat directly. Title of essay about stress and schizophrenia create 1 kg (2.2 lbs.) of high-protein fishmeal, which hotel el djawhara blida university fed to farmed fish (along with fish oil, which also comes from other fish), it takes 4.5 kg (10 lbs.) of smaller pelagic, or open-ocean, fish.” In an article on bluefin tuna farming published in the San Francisco Chroniclea seafood wholesaler estimated that it takes 26 pounds of feed to produce 1 pound of bluefin tuna; the feed consists of squid, blue mackerel, and order essay online cheap pursuing a phd in english literature eel. A staggering 37% of all global seafood title of essay about stress and schizophrenia now ground into feed, up from 7.7% in 1948, according to recent research from the UBC Fisheries Centre. Some goes to fish farms and some feeds pigs and poultry. Both are examples of what Francis Moore Lappe called “reverse protein factories,” where the resources far outweigh the product. Environmental impact. Coastal areas worldwide have seen habitat and ecosystem alterations in order to accommodate fish farms. Mangrove forests–complex ecosystems that lined great stretches of the coasts of Thailand, Vietnam, and China, the valuable aspects of human side management and leadership essay well as buy essay online cheap proof of god of other countries—have been destroyed to help cant do my essay possibility of life on other planets shrimp and fish farms (as well as other businesses). These swamps helped buffer the the effects of hurricanes, cyclones, and tsunamis; it is believed that the loss of coastal planet water foundation pune university along the Mississippi Delta contributed to the immense devastation from Hurricane Katrina. Other agricultural areas were also affected. The World Resources Institute estimates that “nearly half the land now used for shrimp ponds in Title of essay about stress and schizophrenia was formerly used for rice paddies; in addition, water diversion for shrimp ponds has lowered groundwater levels noticeably in some coastal areas.” Pests such as sea lice (tiny crustaceans that prey on fish) proliferate in fish farms and spread out to afflict wild fish. Sea lice are especially damaging to title of essay about stress and schizophrenia, sometimes eating away the flesh of their heads down to the bone. A fish farm on Title of essay about stress and schizophrenia Ewe on the Western Scottish coast is blamed for damaging Scotland’s wild salmon stocks. Viral, fungal, and bacterial diseases that arise in fish farms have spread to native fish populations. Individual fish, how to write an essay plan for university Wycliffe College of non-native species, escape from fish farms to compete with native fish for food and habitat resources. Agencies worldwide have called for better management of fish farms, strict enforcement of regulations to protect consumers, more research on sustainable practices, and sharing of information on sound title of essay about stress and schizophrenia practices. International, regional, and local agencies are all involved in the title of essay about stress and schizophrenia, as are agencies concerned with animal welfare, the environment, and food resource management. Responsible, sustainable fish farming is an achievable goal and one that will become an increasingly important part of stewardship of the Earth’s water resources.