Of the 36 rows also called phylum in technical terminology in which living organisms are divided, 34 are represented in the sea, whereas on the ground there are only representatives of 17 rows.
The sea represents many diverse niches; in the European waters alone, they range from the Arctic icy sea to the warm Mediterranean, from deep sea to coastal zones, from the nearing freshwater conditions in the Baltic Sea to the salty Atlantic, from algae-containing surface waters to low-light depths, etc. The environmental conditions that exist in the sea are significantly different from the conditions on land.
The organisms that live in these different niches have developed specifically for the environment — and their biology is therefore often very diverse from anything we know.
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Furthermore, within these very different marine environments, there are particular niches in which the physico-chemical conditions are extreme in relation to the surrounding environment and in relation to the environment in which human being lives. These organisms, and their way of living under extreme conditions, can give humans new opportunities to solve some of the tasks that sustainable development and survival require. The sea is the richest source of biological life on Earth.
The sea has a significant influence on human life forms. It is one of the most important actors in climate regulation, it is our main transport route, and for many people the sea is the most important food resource. The sea is important. Exploitation of marine resources has traditionally been focused around fishery and most recently breeding and growing , shellfish and seaweed in particular.
The oceans, however, have much larger, and as of almost unexploited, resources in the form of biological principles that man can be utilized if we can understand and control these principles.
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For centuries, man has explored the biological principles of the land for technological exploitation. From plants, fungi, bacteria and animals we have extracted new enzymes and antibiotics, which in technological upscaling have been of great benefit to humans. It is obvious that among marine organisms exist both new bioactive substances eg.
The biotechnology solutions usually result in a more sustainable production of food, feed, energy, medicine, etc.
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Similarly, virtually all new medicines are expected from and onwards to be based on some form of biotechnology, and a similar development is expected on a large number of other products. In marine biotechnology, the living organisms originate from the marine environment. At the same time, technological advances have made aquaculture more economically feasible.
Other popular areas within the field of marine biology are environmental biology and toxicology. Both of these areas have direct applications and implications for our society. Examples of specialities in environmental biology and toxicology include water quality research and the study of contaminants or pollutants in the coastal or marine environment.
Laws, regulations and cleanup measures designed to protect the environment will ensure that marine and environmental biologists and consultants continue to play an important role in our society. Another field of research within marine or aquatic biology involves organisms that have been around for billions of years: protists.
Protists are singled-celled organisms that include protozoa and microalgae. Their importance as a group lies in the fact that microscopic algae serve as food for animals in aquatic food webs, earning them the title "primary producers. If something happens to somehow alter populations of primary producers, the entire food web could be affected. Probably the topic most often asked about within marine biology is research involving marine mammals, including cetaceans whales and dolphins and pinnipeds sea lions, seals and walruses.follow site
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The reality is that research jobs involving marine mammals are extremely hard to come by for a number of reasons, including the popularity of the field, the fact that working with marine mammals is highly regulated most research is done using tissue samples of sick, stranded or dead animals and not on live, healthy animals , and because funding is very competitive. Two popular fields of research involving marine mammals are bioacoustics and vocalization the study of marine mammal sounds and population dynamics studying marine mammalian behaviors and responses to environmental conditions as they impact population.
As for non-research employment options involving marine mammals, most positions would exist at aquaria, museums, and national and international conservation groups, though these are also highly competitive. Skip to main content. Stephen C. Marine Biologist.
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Related Opportunities for Environmental Application of Marine Biotechnology
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