Abiotic factors are the nonliving elements, like air, water, soil and temperature. People affect sea otter populations through direct shootings and trapping sea otters in fishing nets. Sea otters are a keystone species, meaning their role in their environment has a greater effect than other species. A keystone species is one that exerts a large, stabilizing influence throughout an ecological community. Biotic factors are the living are organisms within the particular Biome. We reasoned that energy requirements, which differ over the year in accordance with the life history of the snake, would affect hunting strategy. ... Because sea otters live very close to land, any pollution running off to the ocean will definitely affect them. Abiotic Factors: 1. This is an area of the sea without kelp forest cover. It involves understanding biotic and abiotic factors influencing the distribution and ... . Some predators like the great white shark may kill the otters but not feed on them. User: whats the sum of 3/8 and 1/16 Weegy: 2 + 2 = 4. Sea Otters need food to survive because with out it, sea otters won't have enough energy to carry out the day. In a food we a sea otter is a second level consumer because it is a predator and prey. Abiotic Factors that Affect Kelp Health, Density, and Population Nutrient Availability Not unlike terrestrial plants, kelp requires nutrients such as Nitrogen and Phosphorus to grow and reproduce. What Is The Role Of Sea Otters In The Ecosystem? Weather (short-term variation in meteorological conditions) can cause variations in parasite distributions whilst synchronously influencing host abundance but will affect specific host-parasite interactions differently, –. Sea otters (Enhydra lutris) are marine mammals inhabiting the shores of the Aleutian Islands and along the North American coast up to Mexico. Fourthly, sea otters are also threatened by predators that live underwater like orcas, sea lions, and bald eagles. Obviously, the rock would be an abiotic factor. Secondly, oil spills result in the death of sea otters. Since they have to consume at least 25% of their body weight each day to stay alive, sea otters prey on filter feeders such as mussels and clams. and are the smallest marine mammal in North America. However, this is not enough to keep the sea otters warm. As top predators, sea otters are critical to maintaining the balance of nearshore ecosystems, such as kelp forests, embayments and estuaries. Before the 19th century, sea otters numbered about 300,000. Thankfully, in 1911,sea otters received protection, as the International Fur Seal Treaty was established to prevent various exercies of trading. Sea Otters need sunlight and space to survive. The tail comprises less than a third of the body length. Sea otters feed on a large number of crabs to retain their body weight. [ If they don't have any space then they won't have anywhere to reproduce. Abiotic Factor: The Sea Otter is carnivorous, so it eats mussels, etc. Another reason that sea otters are susceptible to oil spills is because they often travel in large same-sex rafts (Environment Canada, 2011). Once containing more than half of the world’s sea otters, this population segment, which ranges from Kodiak Island through the western Aleutian Islands, has undergone an overall population decline of at least 55–67 percent since the mid-1980s. Biotic factors include disease, predation, cannibalization, and nutritional requirements that may be influenced by the quantity and quality of added food, organic matter, bacteria, algae, and/or organisms such as meiofauna in the sediments. But biotic factors of the 'bryony' (sea) are fish, weed, grass, snakes, dolfin, shark, turtles, divers! Sea otters in kelp forest ecosystems are another example. 3 = 102 would be used to verify the equation 102 ? 7/9 B. List the eight different systems of the human body: Asked By adminstaff @ 21/07/2019 10:01 AM. The interrelated abiotic and biotic factors in an ecosystem combine to form a biome. Crude oil normally penetrates the fur of the otter destroying the air layer that is trapped next to its skin. Because the sea otter only lives for around 10-20 years (Environment Canada, 2011), and is only able to produce one offspring every year, the population does not have the ability to grow quickly. 2. Another reason that sea otters are susceptible to oil spills is because they often travel in large same-sex rafts (Environment Canada, 2011). but other problems began to occuring more fequently. The Pacific Ocean biome contains many different types of living organisms, which all rely on different things in order to survive, but what all of the animals have in common is they can be described as either an autotroph, ... A keystone species of the Pacific Ocean is the sea otter species. There are many biotic factors that contribute to the ocean biome. The Ecology of Coral Reefs - Windward Community College. Secondly, oil spills result in the death of sea otters. As of 2006, the lingering oil in the area continued to affect the population of these valuable sea creatures. More kelp forests result in fewer urchin barrens, as well as an increase in the absorption of carbon dioxide from the atmosphere through photosynthesis and release oxygen back into the air. User: Piece of perfection so 93 pizzas on ... Weegy: Simple present tense is a tense in which an action is happening right now, or when it happens regularly. Secondly, oil spills result in the death of sea otters. ]. Although capable of walking on land, otters may spend their whole lives in water. Some of the abiotic factors are the water temperature, oxygen, and sunlight. Biotic factors are extremely important to an ecosystem. Population. Sea otters, playing a critical role in containing the urchin populations, prey on urchins and thus control the numbers of kelp grazers. and are the smallest marine mammal in North America. If one raft of 200 males were to be caught in an oil spill, this would greatly reduce the fertility of the sea otter population moving forward, and likely have significant population trauma many years into the future (Environment Canada, 2011). Sea otters are ‘’keystone species” because of their critical role in maintaining the health and stability of the nearshore marine ecosystems. This means that any living organism within the marine biome is considered a biotic factor. Th… The amount of food & water in a habitat is an example of a limiting factor. Many marine animals have blubber to survive in the cold water,but sea otters are unique because they don't have blubber. On a large scale, we identified borders for kelp recovery and sea urchin persistence along the north-south gradient. Besides existing in the wild, otters are also raised in captivity like public aquariums and zoos. The males are polygynous as they may take up multiple female partners. These sea creatures also depend on a high metabolism rate to generate body heat. What are the abiotic factors of a sea otter habitat? Sea turtles are Biotic organisms because they are living. 2. Females are slightly smaller, weighing 14-33 kg and measuring 1-1.4 m in length. Which of the following events directly led to the War on Terrorism? The opposite of biotic is abiotic, which includes the physical and chemical factors present in the environment. These filter feeders indiscriminately sieve particles out of the water resulting in them accumulating high concentrations of pollutants and disease pathogens. Weegy: 34 x 3 = 102 would be used to verify the equation 102 / 3 = 34. The kelp forests in California are one of the most abundant ecosystems in the world. From: Marine Ecotoxicology, 2016 A biotic factor is any living component that affects another organism, including animals that consume the organism in question, and the living food that the organism consumes. Bristle Worm. These lifeforms rely on abiotic factors as they directly affect their growth, survival and reproduction. Marine Ecology is the scientific study of marine-life habitat, populations, and interactions among organisms and the surrounding environment including their abiotic (non-living physical and chemical factors that affect the ability of organisms to survive and reproduce) and biotic factors (living things or the materials that directly or indirectly affect an organism in its environment). Harbor Seal. Crude oil normally penetrates the fur of the otter destroying the air layer that is trapped next to its skin. Consequently, the sea otters die from hypothermia. User: what's 307, 495 rounded to the nearest ... Weegy: The fraction 7/15 divided by 3/5 is 7/9. If one raft of 200 males were to be caught in an oil spill, this would greatly reduce the fertility of the sea otter population moving forward, and likely have significant population trauma many years into the future (Environment Canada, 2011). For example the sea otter has a very low biotic potential. People affect sea otter populations through direct shootings and trapping sea otters in fishing nets. Asked By adminstaff @ 21/07/2019 10:02 AM. A. Additionally, the damaging physical effects of oil contamination, as well as toxicological effects from ingestion and inhalation can lead to severe, long-term organ damage and other potentially life-threatening conditions. Related Questions in Biology. They provide crucial habitat and food for other marine organisms and also help to contain coastal erosion. So the rock helps the otter survive by … Some of the abiotic factors are the water temperature, oxygen, and sunlight” as per Google. Studies show that the presence of otters increased the carbon storage of kelp forests from 4.4 to 8.7 megatons. Cyanobacteria produce _______ from nitrogen gas as part of the ... Divide 7/15 by 3/5. Share what’s outside your window and all around you. Sea turtles for example is an organism in the River to sea preservation. The high metabolism comes from the food eaten by the sea otters. To this day, sea otter trading/selling has become more rare. Consequently, the sea otters … Seagrass meadows are significant to the ecosystem as they result in the protection of the coastal regions and preservation of the habitat for fish. Abiotic factors are items that are not living (a = not, bio = life) chemical and physical attributes of an environment that affect living organisms and the function of the ecosystem. Biotic Factors Phytoplankton. Jellyfish Crab. Biotic resources include every lifeform in an ecosystem. Urchins move in "herds," and enough urchins may remain in the "barrens" of a former kelp forest to negate any attempt at regrowth. Places such as British Columbia, Aleutian Islands, and the Big Sur coast of California have had major improvements in the health of their coastal ecosystems due to the re-introduction of otters. Some of the biotic factors include its predators and prey. Another limiting factor came into place when there was an oil spill in 1989, killing approximately 5000 Sea Otters. 3 = 34. In the recent past, sea otters nearly became extinct due to large-scale commercial hunting for its pelt. Kelp forests are most present in Southern California but can be seen most places along the California coastline. ... Sea Otters: The haviest member of the weasel family, the sea otter is also the second smallest marine mammel. Both affect diversity and distribution. Such an increase is a result of the food web that forms within this ecosystem formed by the sea otters, crabs, and sea slugs. Which inverse operation would be used to verify the following ... What promotes the recognition of ideologies, What was the first industry to industrialize in Great Britain. As top predators, sea otters are critical to maintaining the balance of nearshore ecosystems, such as kelp forests, embayments and estuaries. 1 Answers. Sea otter numbers have declined in southwestern Alaska over the past 20 years. For example, if a shark population goes extinct, a seal population increases causing a fish population to decrease. On land, the otters face threats from bears and coyotes. ABIOTIC FACTORS The Deep Sea Ecosystem: Life In The Dark And Cold Waters. Sea urchins feed voraciously on kelp forests thereby damaging the eco-system leading to what is known as "urchin barrens." First, one of the biggest threats to the existence of sea otters is humans. 7/25 C. 21/75 D. 75/21. Diseases and infections also caused a decrease in population specifically when pet owners started dumping cat feces down storm drains and toilets. Consequently, the sea otters die from hypothermia. Sea Otters :: MarineBio Video Library Sea otters, Enhydra lutris (Linnaeus, 1758), are the largest member of the Family Mustelidae (70 species of river otters, skunks, weasels, badgers, etc.) It harbors both living and non living organisms. The amount of food & water in a habitat is an example of a limiting factor. [ If they don't have any space then they won't have anywhere to reproduce. So, the organisms that are in a shell, the sea otter brings the shell to the surface and get a rock to crack the shell open. List two examples of both biotic and abiotic factors for the sea otter population. The spatial distribution of kelp (Laminaria hyperborea) and sea urchins (Strongylocentrotus droebachiensis) in the NE Atlantic are highly related to physical factors and to temporal changes in temperature. Thirdly, sea otters expose themselves to diseases and pollutants through their feeding habits. Thus, to survive the cold temperatures and maintain warmth, the sea otters feed on food amounting to an average of 25% of their body weight every day. Sea urchin persistence was also related to the coast-ocean gradient. They have thick fur that generates heat to keep their bodies warm. ... WINDOWPANE is the live-streaming social network that turns your phone into a live broadcast camera for streaming to friends, family, followers, or everyone. We questioned to what extent active hunting is used by Cerastes vipera and whether there are biotic and abiotic factors that affect the hunting strategy. Urchin barrens are disastrous to the environment as they result in an increase in carbon dioxide in the atmosphere and the likelihood of coastal erosion and storm surges. Females are slightly smaller, weighing 14-33 kg and measuring 1-1.4m in length. Weegy: The Court of Appeals performs the following actions EXCEPT send the case back for re-trial User: The Supreme ... Weegy: 17 > 1 User: Calculate 110/11 Weegy: 110/11 = 10 User: What is the selling price of a 12,543 boat if a 758 ... Weegy: "Women" was given power in Iroquois society that was not usually given power in other civilizations. Crude oil normally penetrates the fur of the otter destroying the air layer that is trapped next to its skin. The Seattle Aquarium was the first institution to nurture sea otters right from conception to adulthood with the birth of ‘’Tichuk’’ in 1979. Weather patterns are influenced by climatic phenomena such as the North Atlantic Oscillation (NAO). High levels of turbidity inhibit the growth of submerged plants. All maps, graphics, flags, photos and original descriptions © 2021 worldatlas.com. Scud Sea Otter. Also with out sunlight then the sea otters won't have any food. Sea lions, seals, otters, and grey whales are marine mammals most often fond in the kelp forest. Some of the biotic factors include its predators and prey. By Sharon Omondi on December 12 2019 in Environment. There are very few limiting factors that are created naturally. By repeatedly foraging these contaminated prey, the otters put themselves at risk of harmful diseases. Both abiotic and biotic factors determine both where an organism can live and how much a population can grow. The ‘’Exxon Valdez’ oil disaster that occurred in Prince William Sound on March 24, 1989, proved that the single greatest threat to the otter today is an oil spill. ABIOTIC FACTORS Sea Otters need sunlight and space to survive. Fortunately, sea otters feed on sea urchins resulting in the preservation of the kelp forests. “Sea otters live in communities with many other species including sea urchins, orcas, starfish, and many types of fish. Biotic factors are all the living elements of the ecosystem, including the plants, animals, fungi, protists and bacteria. Biotic factors are the interactions between organisms. For instance, turbidity is an abiotic factor that majorly affects the aquatic ecosystem. Biotic Factors: 1. Diel activity patterns of river otters (Lontra canadensis) - BioOne. This caused a huge downfall of the sea otters population, which only got worse. Sea otters reside in the underwater which has extremely cold temperatures. Abiotic Factor: The Sea Otter is carnivorous, so it eats mussels, etc. Also with out sunlight then the sea otters won't have any food. BIOTIC FACTORS Sea Otters need food to survive because with out it, sea otters won't have enough energy to carry out the day. Furthermore, countries such as the United States, Russia, and Canada have set up marine protected areas where activities such as dumping of waste and oil drilling are prohibited. In addition, genetic variation is also possible due environmental conditions the vector is exposed to As a matter of fact, the Abiotic and biotic factors determine the survival of the parasite and studies are needed to determine their effect on B. pfeifferi and hence S. mansoni population. This answer has been confirmed as correct and helpful. Other than special interactions, there are other factors that limit the sea otters population. The Kelp forest is much like a forest on land. What are the abiotic factors & biotic factors of sea otters? Every population is affected by both biotic and abiotic factors. Biotic factor are the living organisms and their actions and biproducts that contribute to the environment. Sea otters, Enhydra lutris (Linnaeus, 1758), are the largest member of the Family Mustelidae (70 species of river otters, skunks, weasels, badgers, etc.) Biotic Factors of the intertidal zone. Abiotic factors are non-living variables. Sea Urchin Grey Whale. A collection of kelps result in the formation of kelp forests. A biotic factor is any living component that affects another organism, including animals that consume the organism in question, ... Sea Otters: The haviest member of the weasel family, the sea otter is also the second smallest marine mammel. The tail comprises less than a third of the body length. In 2006, a law was passed to place a maximum fine of 25,000 for dumping the feces. They both have multiple layers. The biotic factors would be the sea animal itself and the abiotic factor would be the sea, or the food, sunlight, every non living thing New questions in Biology Explain the differences between the structures of wind and insect pollinated plants and adjust the mark scheme. Sampling helps us to estimate numbers of organisms in an area. Weegy: 34 ? Biology. Other factors include geographical space, predation, climate, competition (for prey, food, mates) etc. Among the widespread species of seagrasses is the Zostera, also known as the eelgrass that has been on the decline in the recent past due to the large population of crabs that have been feeding on them. To achieve this, the sea otters that are carnivorous feed on various marine species such as crabs, clams, urchins, snails, and worms. They are adapted to this kind of environment by possessing a dense fur coat which insulates the body from cold. An example of a limiting factor is sunlight in the rainforest, where growth is limited to all plants in the understory unless more light becomes available. ... Common invertebrates found are bristle worms, scud, prawn, snails, jellyfish, crabs and sea stars. … Thus, the reduction in the numbers of the sea urchins, caused by the presence of sea otters, prevents the decimation of the kelp forests. Males weigh 22-45 kg and are 1.2-1.5 m in length. The shift in hunting strategy raises a number of questions concerning the ecological consequences of alternating these strategies (Wall et al., 2013) and the factors determining them. What are the abiotic factors & biotic factors of sea otters? Males weigh 22-45 kg and are 1.2-1.5 m in length. California Condor Facts: Animals Of North America, The Causes And Effects Of Ocean Pollution. The specific role of the sea otters in the eco-system is as follows; ‘’Kelps’’ are brown algae seaweeds growing rapidly underwater covering 25% of the world’s coastlines. With the reduced crabs in the meadows, the population of the sea slugs increase and feed on the algae seen growing on the leaves of the seagrass. The sand or dirt on the bottom of the sea is an abiotic factor because it is nonliving. IT is home to sea otters, granite rocks, plankton, and many other factors that exist here. This challenge has affected even large estuaries such as the Elkhorn Slough Estuary located on Monterey Bay in Central California, US. Abiotic Factor: The Sea Otter is carnivorous, so it eats mussels, etc. Sea otters feed mostly on sea urchins, mollusks, crustaceans, and fish. What Is The Importance Of Insects In The Ecosystem? Sea otters are a keystone species, meaning their role in their environment has a greater effect than other species. People affect sea otter populations through direct shootings and trapping sea otters in fishing nets. What Is The Role Of Vultures In The Ecosystem And Wildlife Conservation? 1. LOGIN TO VIEW ANSWER. Earn a little too. The River to sea preserve is full of organisms, there are different abiotic and biotic factors of the ecosystem that affect each other. 2. Other factors include geographical space, predation, climate, competition (for prey, food, mates) etc. We questioned to what extent active hunting is used by Cerastes vipera and whether there are biotic and abiotic factors that affect the hunting strategy. A limiting factor is a factor that restricts the size of a population from reaching its full potential. The largest and most effective although is food limitation. Eventually, the seagrasses become clean and healthy resulting in higher populations. However, countries around the globe have enacted legislation outlawing their hunting. Biotic Factors. 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Of walking on land, the Causes and Effects of ocean pollution organism within the marine biome considered... The tail comprises less than a third of the coastal regions and preservation of the ecosystem,. The ecosystem as they directly affect their growth, survival and reproduction Central,! Invertebrates found are bristle worms, scud, prawn, snails, jellyfish, crabs and sea stars coast-ocean.... From nitrogen gas as part of the biotic factors are all the living organisms and their actions and biproducts contribute. Role of Vultures in the preservation of the most abundant ecosystems in the death of sea otters playing! First, one of the otter destroying the air layer that is trapped next its! The population of these valuable sea creatures also depend on a large,! Which insulates the body from cold of crabs to retain their body weight factor is a second consumer! In an area 7/15 by 3/5 is 7/9 has been confirmed as correct and helpful are because... 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