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The article discusses the marine and ocean resources threats with the advancement of technology in the U.S. According to the author, technological advancement permits man to exploit the raw materials on the ocean floor beyond the traditional boundaries of national power and the government has difficulty in assuring protection over property rights in ocean and sea bed resources. He further asserts that there is no way of escaping reality that the degree to which mankind benefits from ocean resources is influenced as much by the interplay of national interests as by technology elevates. In conclusion, it states that if human improvement and world peace gains from the innovation of international organization, then ocean space furnishes unique opportunities that are in danger of being lost.

The article reports on the role of Towy river located in South Wales in reservoir regulation and fishery protection program. Towy river is considered as the longest river in Wales and serves as a fish sanctuary to salmon Salmo salar L. and sea trout Salmo trutta L. The chosen area for the reservoir is forested and mainly unpopulated.

The article discusses on Limnology, the study of inland waters both freshwater and saline including rivers and lakes. The study also includes the chemical and biological changes that take place in bodies of water. Researches in Limnology is largely based on the subjects of lake formation, seiches, waves and heat distribution. The author suggests, for present purposes, that Limnology is better suited in understanding on the fishery conditions and for an eventual increase in the produce of fish from fresh waters.

The article focuses on the development of the American Fisheries Society (AFS) in the U.S. It states that AFS was founded on December 20, 1870 in New York City under the name "American Fish Culturists Association," recognized as the oldest active professional society in North America. The purpose of the Society is to promote and disseminate information containing practical success and interest to fish culturists. In addition to its role, AFS has expanded into international association ranging to 5000 members that are mainly from U.S., Canada and from more than 60 other countries around the world including the 16-member executive committee.

The article presents information on the American Institute of Biological Sciences Inc.'s adherent society, the Sport Fishing Institute. It is a tax exempt, nonprofit, national membership organization of scientific and educational purpose formed by conservationists concerned about the deterioration of fishery resources. The objective of the institute is to help improve sport fishing. It is stated that the Institute devotes about 25% of its annual budget to research in fishery biology. The Institute has published several generalized fish conservation booklets to support inadequate materials for management of modern fish concepts.

The article offers information on the conservation efforts by the U.S. Fish and Wildlife Service in the Arctic regions of Alaska. It is informed that there are two bureaus sharing responsibilities in this regard. The Bureau of Sport Fisheries and Wildlife looks after the sport fishes, migratory birds and mammals like the walrus, the polar bear and the sea otter, while the Bureau of Commercial Fisheries is concerned with commercial fish, shell fish and marine mammals like whales and seals. Information is provided on the measures undertaken by the bureaus in that direction and the marine parks and reserves built in that purpose.