c. In the 1930s, beluga whales had been killed along the St. Lawrence River by fishermen because they thought whales destroy the fishing industry. d. Arctic natives still have hunted belugas for food and other raw materials. It is important for their culture, but they have been killing belugas too much about 200 to 550 in Alaska and about 1,000 in Canada. 3. Environmental Hazards a.
Whales are mammals that live for a long time and breed slowly. Every year or so, a female gives birth to a single calf that takes many years to mature and begin its own breeding cycle. With this slow life cycle, mass commercial whaling can easily lead to extinction (Greenpeace). The commercial whaling industry had existed for many centuries in other oceans before whalers moved into the Southern Ocean. In the beginning of the 20th century whalers began to exploit the herds of southern whales.
End Captivity To End Suffering In recent years, the issue of the encagement of killer whales inside of SeaWorld Parks has been brought to light within society. Inside miniature tanks, these Orcas are eating an unnatural diet, fighting with each other and breaking their teeth in efforts to escape. Organizations such as Sea World of Hurt, a PETA (People for the Ethical Treatment of Animals) campaign, Keep Whales Wild and The Orca Project work daily to educate the general public on the effects of captivity as well as fight for the rights of these killer whales. While these groups are expressing their passion through education and protest, they are in great need of a larger backing. It is as simple as educating yourself, spreading the
Killer Whales in Captivity: Entertainment or Torture? The death of the SeaWorld Orlando’s trainer Dawn Brancheau, in 2010, by one of their performing orcas (named Tilikum) and the subsequent release, in 2013, of the documentary Blackfish, have raised a major controversy not only among animal advocates such as PETA (People of Ethical Treatment of Animals) but also the regular marine park attendees. If the incidents presented in marine parks around the world, over the course of several the years, were not been hidden or ignored, this horrifying accident could have been prevented. The fact that some incidents were kept a secret from the public and new trainers, worsen the situation. After so many years and incidents, the captivity of killer whales or orcas (Orcinus orca) merely for entertainment purposes should be prohibited.
Dr Carl Meyer from Hawaii Institute of Marine Biology stated that mass levels of shark culling “runs the risk of ecosystem-level cascade effects where a general lack of sharks results in boom or bust in populations of species further down the food chain”. Furthermore when nets are used to trap sharks, often animals such as dolphins, turtles, whales and dugongs become trapped in them. Turtles are one of the most endangered species as a whole and are just innocent bystanders in this war between humans and sharks. We need to be careful of not affecting other animals in this quest to reduce shark numbers in the name of nothing. Sharks can already be caught legally by commercial and recreational fishers so any cull would be largely
Under natural conditions, spawning takes place between April and June. Based on the findings in captivity, the vitellogenesis occurs at temperatures ranging from 10 to 15°C whereas optimum temperature for spawning is 14 to 16 °C whereas gonads start to degrade as water temperature exceeds 18°C. Also, light intensity influences gonad development and spawning. The development of flounder from fertilized egg to a juvenile about 50 mm long end of metamorphosis takes 60 to 70 days. Fish becomes sexually mature when two to three years old with about 30 cm length.
Litter sizes vary from one to 15 with White Tips are a commercially important animal to humans seeing as how its fins are used for shark fin soup and its meat and oils utilized for consumption, its hides are often used for leather as well. Many scientists have referred to this shark as the most dangerous shark in the world, despite the more notorious Great White and Tiger, the white tip is responsible for more human deaths then all shark species combined. With one incident alone, the torpedoing of USS Indianapolis on 30 July 1945, giving a minimum figure of between 60 and 80 sailors killed by sharks. While diving with these sharks is done often it is not advised. So Respect and Fear this great animal who is number 4 on animal planets deadliest
Proposal Presentation By Michael R. Baran BUS 505: Business Strategies & Proposals Instructor: Prof. Nikhil Nayak 16th of December 2012 Proposal Presentation SAIC has been able to conduct research across the globe to understand how the customer in the different continents and in different countries wants their products to work, and what functions are important to them. The Hawaiian monk seal has been delegated as an endangered species of the earless seals from the Phocidae family that live on the Hawaiian Islands. According to (Konica Minolta – Hawaiian Monk Seal-Endangered, (N.D.) “The Hawaiian Monk Seal live on the sandy beach and coastal waters around the Hawaiian Islands. With few enemies, the islands were perfect for the Hawaiian Monk Seals to raise their kids.” (Konica Minolta) If we do not understanding why the Hawaiian monk is on the verge of extinction. We are trying to understand the different threats that are out there that are hurting this species.
But each generation believes otherwise. Each generation sets their baseline from what they have grown up with and people don’t know it was different back then. The Earth began with an abundant number of fish, but then as humans began to fish, their population began to decrease. Then the next generation believes that the number of fish leftover from the past generation is the normal population size. Then the data changes as the number of fish change overtime, then the next generation take the leftovers and start their baseline from there, and so on.
Where: Alaska's Denali National Park and Preserve. Why: People that it involves need to be informed on the breeding of sled dogs. Topic: Discovery that Grey seals hunt smaller seals and porpoises. Who: This impacts biologist's original theory that grey seals only hunt small fish. What: Grey seals are hunting bigger prey, forensic studies have implicated that grey seals have been killing smaller seals and porpoises, biologist studies of grey seals habitat will change.