Population. Th… Consequently, the sea otters die from hypothermia. BIOTIC FACTORS Biotic factors are all the living elements of the ecosystem, including the plants, animals, fungi, protists and bacteria. 1 Answers. 3 = 102 would be used to verify the equation 102 ? In 2006, a law was passed to place a maximum fine of 25,000 for dumping the feces. Such an increase is a result of the food web that forms within this ecosystem formed by the sea otters, crabs, and sea slugs. Some of the biotic factors include its predators and prey. This caused a huge downfall of the sea otters population, which only got worse. Sea otters are ‘’keystone species” because of their critical role in maintaining the health and stability of the nearshore marine ecosystems. Females are slightly smaller, weighing 14-33 kg and measuring 1-1.4m in length. Sea Otters need food to survive because with out it, sea otters won't have enough energy to carry out the day. Abiotic factors are non-living variables. 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.) There are very few limiting factors that are created naturally. Sea otter numbers have declined in southwestern Alaska over the past 20 years. Sea otters are a keystone species, meaning their role in their environment has a greater effect than other species. 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. ... .. A sea otter pup trapped in a single use plastic bag ! The Ecology of Coral Reefs - Windward Community College. For example the sea otter has a very low biotic potential. ... Because sea otters live very close to land, any pollution running off to the ocean will definitely affect them. Some predators like the great white shark may kill the otters but not feed on them. However, this is not enough to keep the sea otters warm. Thus, the reduction in the numbers of the sea urchins, caused by the presence of sea otters, prevents the decimation of the kelp forests. Bristle Worm. “Sea otters live in communities with many other species including sea urchins, orcas, starfish, and many types of fish. 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. Sea otters reside in the underwater which has extremely cold temperatures. Biotic Factors of the intertidal zone. Biotic factors are the living are organisms within the particular Biome. People affect sea otter populations through direct shootings and trapping sea otters in fishing nets. Every population is affected by both biotic and abiotic factors. Eventually, the seagrasses become clean and healthy resulting in higher populations. Other factors include geographical space, predation, climate, competition (for prey, food, mates) etc. ]. What are the abiotic factors & biotic factors of sea otters? Sea otters feed mostly on sea urchins, mollusks, crustaceans, and fish. The amount of food & water in a habitat is an example of a limiting factor. Males weigh 22-45 kg and are 1.2-1.5 m in length. The opposite of biotic is abiotic, which includes the physical and chemical factors present in the environment. 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. 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). 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. What are the abiotic factors of a sea otter habitat? As top predators, sea otters are critical to maintaining the balance of nearshore ecosystems, such as kelp forests, embayments and estuaries. The Kelp forest is much like a forest on land. Nonetheless, the managers of this estuary have recently reintroduced sea otters that have resulted in the sudden increase in the seagrass beds. For example, if a shark population goes extinct, a seal population increases causing a fish population to decrease. Many marine animals have blubber to survive in the cold water,but sea otters are unique because they don't have blubber. 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. Scud Sea Otter. 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. What Is The Role Of Vultures In The Ecosystem And Wildlife Conservation? 2. This means that any living organism within the marine biome is considered a biotic factor. 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. Sea turtles are Biotic organisms because they are living. Biotic factors are extremely important to an ecosystem. By Sharon Omondi on December 12 2019 in Environment. So the rock helps the otter survive by … California Condor Facts: Animals Of North America, The Causes And Effects Of Ocean Pollution. Earn a little too. What Is The Role Of Sea Otters In The Ecosystem? The amount of food & water in a habitat is an example of a limiting factor. Males weigh 22-45 kg and are 1.2-1.5 m in length. The largest and most effective although is food limitation. Cyanobacteria produce _______ from nitrogen gas as part of the ... Divide 7/15 by 3/5. Before the 19th century, sea otters numbered about 300,000. A. These sea creatures also depend on a high metabolism rate to generate body heat. Diel activity patterns of river otters (Lontra canadensis) - BioOne. Another reason that sea otters are susceptible to oil spills is because they often travel in large same-sex rafts (Environment Canada, 2011). 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. List two examples of both biotic and abiotic factors for the sea otter population. Abiotic Factor: The Sea Otter is carnivorous, so it eats mussels, etc. Urchins move in "herds," and enough urchins may remain in the "barrens" of a former kelp forest to negate any attempt at regrowth. List the eight different systems of the human body: Asked By adminstaff @ 21/07/2019 10:01 AM. Besides existing in the wild, otters are also raised in captivity like public aquariums and zoos. The kelp forests in California are one of the most abundant ecosystems in the world. Biotic Factors. but other problems began to occuring more fequently. Fourthly, sea otters are also threatened by predators that live underwater like orcas, sea lions, and bald eagles. Females are slightly smaller, weighing 14-33 kg and measuring 1-1.4 m in length. To this day, sea otter trading/selling has become more rare. The tail comprises less than a third of the body length. and are the smallest marine mammal in North America. As of 2006, the lingering oil in the area continued to affect the population of these valuable sea creatures. Consequently, the sea otters die from hypothermia. Sea otters are a keystone species, meaning their role in their environment has a greater effect than other species. IT is home to sea otters, granite rocks, plankton, and many other factors that exist here. Other factors include geographical space, predation, climate, competition (for prey, food, mates) etc. The tail comprises less than a third of the body length. [ If they don't have any space then they won't have anywhere to reproduce. The high metabolism comes from the food eaten by the sea otters. Biotic Factors of the intertidal zone. As top predators, sea otters are critical to maintaining the balance of nearshore ecosystems, such as kelp forests, embayments and estuaries. 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. Thirdly, sea otters expose themselves to diseases and pollutants through their feeding habits. These filter feeders indiscriminately sieve particles out of the water resulting in them accumulating high concentrations of pollutants and disease pathogens. Sea Otters need sunlight and space to survive. They both have multiple layers. Asked By adminstaff @ 21/07/2019 10:02 AM. Studies show that the presence of otters increased the carbon storage of kelp forests from 4.4 to 8.7 megatons. Obviously, the rock would be an abiotic factor. Crude oil normally penetrates the fur of the otter destroying the air layer that is trapped next to its skin. A collection of kelps result in the formation of kelp forests. They have thick fur that generates heat to keep their bodies warm. In the recent past, sea otters nearly became extinct due to large-scale commercial hunting for its pelt. 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. What are the abiotic factors & biotic factors of sea otters? From: Marine Ecotoxicology, 2016 Biotic factors are the interactions between organisms. Related Questions in Biology. 3 = 34. ... 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 reasoned that energy requirements, which differ over the year in accordance with the life history of the snake, would affect hunting strategy. Other than special interactions, there are other factors that limit the sea otters population. 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. First, one of the biggest threats to the existence of sea otters is humans. 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. The Deep Sea Ecosystem: Life In The Dark And Cold Waters. People affect sea otter populations through direct shootings and trapping sea otters in fishing nets. 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. Some of the abiotic factors are the water temperature, oxygen, and sunlight. Weather patterns are influenced by climatic phenomena such as the North Atlantic Oscillation (NAO). Fortunately, sea otters feed on sea urchins resulting in the preservation of the kelp forests. 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. ... Common invertebrates found are bristle worms, scud, prawn, snails, jellyfish, crabs and sea stars. User: what's 307, 495 rounded to the nearest ... Weegy: The fraction 7/15 divided by 3/5 is 7/9. Crude oil normally penetrates the fur of the otter destroying the air layer that is trapped next to its skin. 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. Abiotic Factor: The Sea Otter is carnivorous, so it eats mussels, etc. Sea otters feed on a large number of crabs to retain their body weight. BIOTIC FACTORS Sea Otters need food to survive because with out it, sea otters won't have enough energy to carry out the day. 7/9 B. 2. The males are polygynous as they may take up multiple female partners. Sea turtles for example is an organism in the River to sea preservation. Biotic Factors: 1. Seagrass meadows are significant to the ecosystem as they result in the protection of the coastal regions and preservation of the habitat for fish. 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. These lifeforms rely on abiotic factors as they directly affect their growth, survival and reproduction. 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. 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. However, countries around the globe have enacted legislation outlawing their hunting. Submit your answer. Another limiting factor came into place when there was an oil spill in 1989, killing approximately 5000 Sea Otters. But biotic factors of the 'bryony' (sea) are fish, weed, grass, snakes, dolfin, shark, turtles, divers! 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. 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. Sea otters (Enhydra lutris) are marine mammals inhabiting the shores of the Aleutian Islands and along the North American coast up to Mexico. Share what’s outside your window and all around you. It involves understanding biotic and abiotic factors influencing the distribution and ... . This challenge has affected even large estuaries such as the Elkhorn Slough Estuary located on Monterey Bay in Central California, US. Sea Urchin Grey Whale. Biology. Weegy: 34 ? The interrelated abiotic and biotic factors in an ecosystem combine to form a biome. Also with out sunlight then the sea otters won't have any food. ABIOTIC FACTORS Sea Otters need sunlight and space to survive. A limiting factor is a factor that restricts the size of a population from reaching its full potential. Harbor Seal. Some of the biotic factors include its predators and prey. Sea otters, playing a critical role in containing the urchin populations, prey on urchins and thus control the numbers of kelp grazers. [ If they don't have any space then they won't have anywhere to reproduce. Both abiotic and biotic factors determine both where an organism can live and how much a population can grow. Sea otters, Enhydra lutris (Linnaeus, 1758), are the largest member of the Family Mustelidae (70 species of river otters, skunks, weasels, badgers, etc.) 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. Consequently, the sea otters … The Seattle Aquarium was the first institution to nurture sea otters right from conception to adulthood with the birth of ‘’Tichuk’’ in 1979. 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. ABIOTIC FACTORS 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. Abiotic factors are the nonliving elements, like air, water, soil and temperature. Sea urchin persistence was also related to the coast-ocean gradient. User: whats the sum of 3/8 and 1/16 Weegy: 2 + 2 = 4. They are adapted to this kind of environment by possessing a dense fur coat which insulates the body from cold. Crude oil normally penetrates the fur of the otter destroying the air layer that is trapped next to its skin. Sea otters in kelp forest ecosystems are another example. Biotic factor are the living organisms and their actions and biproducts that contribute to the environment. 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 lions, seals, otters, and grey whales are marine mammals most often fond in the kelp forest. This is an area of the sea without kelp forest cover. A keystone species is one that exerts a large, stabilizing influence throughout an ecological community. Abiotic Factors: 1. On a large scale, we identified borders for kelp recovery and sea urchin persistence along the north-south gradient. 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. Secondly, oil spills result in the death of sea otters. All maps, graphics, flags, photos and original descriptions © 2021 worldatlas.com. People affect sea otter populations through direct shootings and trapping sea otters in fishing nets. The sand or dirt on the bottom of the sea is an abiotic factor because it is nonliving. 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. Also with out sunlight then the sea otters won't have any food. Some of the abiotic factors are the water temperature, oxygen, and sunlight” as per Google. Abiotic Factor: The Sea Otter is carnivorous, so it eats mussels, etc. and are the smallest marine mammal in North America. There are many biotic factors that contribute to the ocean biome. Weegy: 34 x 3 = 102 would be used to verify the equation 102 / 3 = 34. LOGIN TO VIEW ANSWER. 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). 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. The River to sea preserve is full of organisms, there are different abiotic and biotic factors of the ecosystem that affect each other. Diseases and infections also caused a decrease in population specifically when pet owners started dumping cat feces down storm drains and toilets. Secondly, oil spills result in the death of sea otters. Sea urchins feed voraciously on kelp forests thereby damaging the eco-system leading to what is known as "urchin barrens." 1. Biotic Factors Phytoplankton. ... Sea Otters: The haviest member of the weasel family, the sea otter is also the second smallest marine mammel. 7/25 C. 21/75 D. 75/21. High levels of turbidity inhibit the growth of submerged plants. Biotic resources include every lifeform in an ecosystem. … To achieve this, the sea otters that are carnivorous feed on various marine species such as crabs, clams, urchins, snails, and worms. 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. This answer has been confirmed as correct and helpful. 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. Sea otters live in communities with many other species including sea urchins, orcas, starfish, and many types of fish. 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). They provide crucial habitat and food for other marine organisms and also help to contain coastal erosion. Both affect diversity and distribution. 2. In a food we a sea otter is a second level consumer because it is a predator and prey. Kelp forests are most present in Southern California but can be seen most places along the California coastline. Jellyfish Crab. Although capable of walking on land, otters may spend their whole lives in water. For instance, turbidity is an abiotic factor that majorly affects the aquatic ecosystem. Which of the following events directly led to the War on Terrorism? 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. By repeatedly foraging these contaminated prey, the otters put themselves at risk of harmful diseases. Sampling helps us to estimate numbers of organisms in an area. It harbors both living and non living organisms. Secondly, oil spills result in the death of sea otters. Thankfully, in 1911,sea otters received protection, as the International Fur Seal Treaty was established to prevent various exercies of trading. On land, the otters face threats from bears and coyotes. What Is The Importance Of Insects In The Ecosystem? Another reason that sea otters are susceptible to oil spills is because they often travel in large same-sex rafts (Environment Canada, 2011). Communities with many other species including sea urchins, mollusks, crustaceans, and bald eagles coat insulates. A seal population increases causing a fish population to decrease body from cold but. High concentrations of pollutants and disease pathogens different systems of the sea is an of. Sieve particles out of the otter destroying the air layer that is trapped to... Forest cover Ecology of Coral Reefs - Windward community College exerts a large scale, we identified borders kelp... Ecosystems in the kelp forest affect them ecosystem combine to form a biome Windward community.... 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