They also may supervise or participate in developing educational materials for visitors to an aquarium. In the field, observations help a marine biologist learn how to care for fish of different species and also what material is very important for others to know. PROS: * However when you are in this career for a long period of time you can only make up to $100,000 a year. * Also if you love water and science, then this is a perfect career for you! * You can save sick animals, * See coral reefs * Examine habitats * You get to meet new people * New experiences * Discover new things CONS: * There aren't many colleges that have this major, so you will have to go to a state that does.
There is also a great variety of habitats and lastly there is an absence of predators, which also contributes to the reason that there are many tame land animals. Lastly, where the currents meet the islands, the upwelling of cold water brings nutrients to the surface, providing a rich source of food for fish, marine animals and sea birds. Tourists have another reason for visiting the Galapagos Islands: to follow in the footsteps of famous naturalist Charles Darwin. In 1895 Charles Darwin's epic voyage aboard HMS Beagle took him to the Galapagos. Many years later his observations of the animals and plants on the island inspired his theory on evolution.
The Detailed Ecology of Oysters In the diverse Chesapeake Bay ecosystem the native oyster, known as Crassostrea virginica, is a truly marvelous example of a keystone species. This oyster not only is a part of a bay food chain, but it also affects the quality of the bay water ergo anything and everything in the bay's waters is in some way affected by this oyster. These relationships the oyster has with it's environment can be divided into two categories the living things it effects and the nonliving. The Chesapeake oyster is an amazing organism that effects all parts of it's environment. The activity an oyster does that has the greatest effect on the environment is probably one of the simplest activities to the oyster.
Clearwater’s customers were made of retail chains, distributors and corporate restaurants. Institutional customer contributed most of Clearwater’s sale; individual customers contributed less than 5% of its sales. Meanwhile, Clearwater was the largest publicly traded shellfish company in North America. Clearwater had twenty-three offshore harvesting vessels and 11 of them were engaged in processing at sea. Moreover, Clearwater also had 7 shore-based processing plants in Atlantic Canada and was working to modernize its fleet and promote offshore processing.
Firstly, wetlands are areas such as coastal marshes and swamps that usually have water in them or get flooded by water. Wetlands are very important to the health of our ecosystem because they provide shelter and food for various types of wildlife. Not only do they provide homes for wildlife, but wetlands also help to “purify our waters by trapping sediments and pollutants in runoff”(New York 7). Wetlands also contain very dense plants, which help in absorbing and stopping water from storms and protect coastal land. However, the New York – New Jersey Estuary has been losing wetlands since the Dutch began colonizing the area.
It generally takes at least three kilograms of feed to produce one kilogram of salmon. The shrinking of the numbers of prey species threatens the entire food chain, putting further stress on large predator stocks. Depleting fisheries also negatively affects the economies of developing countries, home to nearly 60% of the world’s fishers that are classified as small-scale commercial or subsistence fishers. In Africa, an estimated 100 million people depend on fish from inland sources, such as lakes and rivers, for income as well as protein and much-needed micronutrients like vitamin A, calcium, iron, and zinc. But coastal fisheries across West Africa have declined by up to 50% in the last 30 years due to significant pressure from large industrial fleets.
iMarine biology is the perfect career choice for budding underwater explorers—those who are fascinated by ocean creatures like sharks, crabs, fish, and coral. Marine biologists are scientists who study saltwater organisms and their relationships to their environments. The specific subject areas that marine biologists can focus on are almost limitless. For example, some might research the migration of ocean seals, while others might investigate the interaction between sea anemones and coral in a certain area. Some study the population fluctuations in different species of fish.
Save the Atlantic Bluefin Tuna Shannon L. Richeson English 215 Research Paper March 10, 2010 Abstract The Atlantic Bluefin Tuna’s population has alarmingly been on the decline for the last four decades. According to Susannah Locke (2008), statistically the amount of bluefin tuna in the western Atlantic Ocean has dropped 90 percent since 1970. The devastation of this fish’s population is a perfect example of pure greed. In order to halt the tuna’s declining numbers, the United States along with several other European countries have tried to persuade Japan, Greece and France to put up to a five year moratorium on bluefin fishing. At its current rate of decline, the countries of the world may be forced to add the Atlantic Bluefin Tuna to the protected species list.
Coccolithophores are covered in coccoliths which are small calcareous plates made of calcium carbonate. This particular type of algae creates most of the calcareous deposits in the ocean. The last of the microscopic algae types, dinoflagellates, are the second most productive group of marine algae but they are not exceptionally vital geographically because their tests are biodegradable making them unable to be sustained as deposits on the ocean floor. Nutrients like iron, silica, phosphorous, and nitrate are highly needed by phytoplankton in order to continue the cycle of life throughout the ocean. Since they need light to survive, these tiny organisms must live near the upper portion of the ocean because that is where there is enough sunlight to power photosynthesis.
Shell fish such as oysters are high in iodine. Dairy products, cheese and milk are also recommended as they go through sanitisation processes which contain iodophers. Iodine is found in table salt, bread and eggs. Consequences of iodine deficency or Groiter are things such as dry skin, hair loss, fatigue and mental health problems. Too much iodine in ones diet can trigger autoimmune thyroid disease and hypothyroidism.