Which ecosystem listed below is the most productive? Although influenced by the tides, they are protected from the full force of ocean waves, winds and storms by land forms such as barrier islands or peninsulas. The most productive ecosystems on Earth include coral reefs. when there are excess nutrients in the water. Some of the most important upwelling regions are along the coasts of … The winds have shifted and weakened, suppressing the cold nutrient-rich water. In order to find land that may be suitable for agriculture, humans would historically look for which characteristic? Ocean currents also influence climate in coastal areas. The most productive sea areas, presented in this map, are those with the highest biodiversity and biomass. The GEOMAR Helmholtz Centre for Ocean Research Kiel will be responsible for the overarching coordination of the three projects. These systems contrast with freshwater ecosystems, which have a lower salt content. Ocean and coastal habitats can be created by species living in them. Browse. What can be concluded about a soil sample that produces a 0.5 inch ribbon using the ribbon test? Which of the following best describes the composition of the Earth's atmosphere? An ecosystem "includes all living organisms in an area as well as its physical environment functioning together as a unit," as stated by Biology Online. b. they gain speed as they move from lower to higher elevation. d. upwellings support the most productive fisheries. Water continually circulates into and out of an estuary. a. average temperature and precipitation over a 30-year period. Each of Earth's seasons lasts approximately three months. In coastal areas, organisms must adapt to changes in water level and salinity. What are the reaction products of respiration? These upwelling zones, including one along the equator maintained by the convergence of the easterly trade winds, and others along the western coasts of several continents, are among the most productive ocean ecosystems. Estuaries and their surrounding wetlands are bodies of water usually found where rivers meet the sea. Most ocean life can be found in coastal habitats on the continental shelf, even if this area occupies only 7% of the total ocean area. It brings cold, nutrient-rich water to the surface, where phytoplankton reside. What are the reaction products of photosynthesis? To the south it is bounded by the Southern Ocean or Antarctica, depending on the definition in use. All of the following can occur at a divergent plate boundary except: What type or rock results after a protolith experiences extreme conditions? Sandy soil will generally produce a one inch or shorter ribbon. by controlling the runoff of nutrients from agricultural lands. What type of organisms utilize photosynthesis? Which of the following ocean events is caused directly by the Coriolis effect? The layer of Earth that is broken into plates is called the: c. sudden displacement of water due to seafloor earthquakes. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Southern Ocean: High productivity, high phytoplankton density can yield 1gC/m2/day! a. the O-horizon of the soil profile will increase in thickness. when winds blow from the north, parallel to shore. Only isolated islands, such as Hawaii, Fiji, and the Galápagos, have numerous restricted-range endemic species—species that are found in a particular location and nowhere else; fully 25% of Hawaiian coral species are endemic to the area (Pacific Whale Foundation 2003). Based on their results, which of the following soil types is the most permeable? What areas of the ocean are the most productive? They have ample access to sunlight and recycle nutrients efficiently. grams of carbon per square meter per year. The open oceans account for most of the net primary productivity on the planet even though they have one of the lowest average net primary productivities simply because they cover by far the most area on Earth (65%). Acre for acre, the coastal ocean is as productive as a prosperous Midwestern farm. Which processes lead to the formation of clay particles that are characteristic of the B horizon of soil? Which of the following do not accurately describe the relationship between El Nino and disease? Which ecosystem listed below is the least productive. Estuarine environments are among the most productive on earth, creating more organic matter each year than comparably-sized areas of forest, grassland or agricultural land. Why are algae beds, coral reefs, and tropical rainforests so productive? e. along the Earth's surface, the air of a Hadley cell moves away from the equator. This results in warmer ocean surface temperature compared to normal. centage of the ocean’s surface area. Which of the following processes may result in the formation of a volcanic island chain. What is the standard unit that is used to measure productivity? Ocean basins are depocenters for sediment derived from the continents as well as from intrabasinal sources. All of the following statements about patterns of temperature and precipitation are true except: Which of the following can result from the convergence of two continental plates? Nutrient-rich waters from the deep ocean are transported into the photic zone. The shifting and movement of the lithosphere over the top os the asthenosphere is known as what? The pelagic zone can be thought of in terms of an imaginary cylinder or water column that goes from the surface of the sea almost to the bottom. The rate of aggradation of sediment can be very high, especially in and near active submarine volcanoes. The black area indicates average bathymetry over longitude. Which of the following best describes insolation? Earthquakes occur periodically along fault lines. Ecosystems define life as we know it. a. geothermal energy from Earth's interior. This protected region is best known as a(n). Which of the following is not true of a La Nina event? Over … Which of the following would cause the length of Earth's seasons to change? The west coast of major continents supports five of the most productive marine fisheries in the world. Which of the following is not an example of a volcanic island arc formed by subduction? In the Northern Hemisphere, south-facing slopes receive more sunlight than north-facing slopes, and are therefore warmer and drier. Microscopic plants, or phytoplankton, form the base of most of the food webs in the ocean. This is where wind direction forces surface water away from the shore. Where are dead zones more likely to develop? A trench may form as a result of lithospheric plate interactions in which: Which of the following biomes features soils with the least amount of humus? Microscopic animals (zooplankton) eat the phytoplankton, and are in … Primary producers are also known as which of the following? Marine waters cover more than 70% of the surface of the Earth and account for more than 97% of Earth's water supply and 90% of habitable space on Earth. The most productive areas in the ocean are those where phytoplanktons are abundant in the presence of optimum sunlight and nutrients brought upwards by deep and cold ocean waters. The city of New York has chosen to protect the area of upstate New York in the Catskill Region as it provides naturally filtered water to the millions of residents of Manhattan and other boroughs. All of the following are true of these winds except: b. the angle of Earth relative to the Sun. Why do waters become anoxic in a dead zone? The World Ocean represents an integral part of the system that is the planet Earth. An earthquake along the San Andreas Fault in California would be associated with a: Scientists assess the permeability of various soil types. The pelagic zone consists of the water column of the open ocean, and can be further divided into regions by depth, as illustrated on the right. ... where river draining areas with high human population densities discharge into the ocean. This drives photosynthesis of phytoplankton (tiny alga), which form the base of the ocean food web. Which of the following is not a process that contributes to the formation of residual soil? In estuaries, the salty ocean mixes with a freshwater river, resulting in brackish water.Brackish water is somewhat salty, but not as salty as the ocean. a. these fisheries are located near the warmest waters on the planet b. these fisheries are near the largest coral reefs in the world Which area of the ocean is usually the most biologically productive? Magma rising in a conduit beneath the seafloor may meet a layer of unconsolidated wet sediment and in most cases, the magma will be more dense than the wet sediment. By contrast, phytoplankton are scarce in remote ocean gyres due to … Mountains have a significant effect on the amount of sunlight reaching an area, as well as on local temperature and rainfall. The Indian Ocean is the third-largest of the world's oceanic divisions, covering 70,560,000 km 2 (27,240,000 sq mi) or 19.8% of the water on Earth's surface. Which answer choice correctly matches the horizon name with its composition? We have solutions for your book! a.) The word "pelagic" is derived from Ancient Greek πέλαγος (pélagos) 'open sea'. Which of the following best explains this phenomenon? Although they occupy just fewer than two percent of the surface of the oceans, the large coastal upwelling areas on the eastern edges of the Pacific and the Atlantic are among the most biologically productive marine areas of all. Get solutions . How do scientists study phytoplankton concentrations in the world ocean? Although they occupy less than two percent of the oceans, the coastal upwelling areas in the eastern parts of the Pacific and Atlantic Ocean are among the biologically most productive marine areas worldwide. Sand, silt, and clay soil textures are differentiated by which physical property? The winds have shifted and weakened, suppressing the cold nutrient-rich water. What climatic change would occur in Peru due to this_ Deserts are areas that receive very little precipitation.People often use the adjectives “hot,” “dry,” and “empty” to describe deserts, but these words do not tell the whole story. During an El Nino period, an oceanic event known as upwelling is altered along the coast of Peru. deep ocean basins (below 200 meters) c.) near shore, shallow areas d.) deep ocean thermal vents e.) all areas are equally productive Which of the following best describes the waters in an upwelling? Because most coral reef The arrows indicate the direction in which the water mass is moving. Major upwelling areas along the world's coasts are highlighted in red. Chlorophyll concentr view the full answer Which ecosystem listed below is the most productive… Less solar radiation reaches Earth's surface at higher latitudes, in part because it must pass through more of the atmosphere. Which type of rock is formed from cooling magma? Ocean acidification is therefore one of the most important research areas regarding the effects of elevated CO 2 on deep-sea marine calcifiers and the marine ecosystem in general." The soil horizon that has undergone the least amount of weathering is the: Which of the following statements are true regarding seasons on Earth? What areas of the ocean are the most productive? a. a change in the length of time required for Earth to revolve around the Sun. d. the atmosphere acts independently of Earth's other spheres. The most productive and fertile ocean areas, upwelling regions are important sources of marine productivity. How might the development of dead zones be controlled? These are also, in most cases, the areas with the highest harvesting pressure. In open oceans, organisms must adapt to changes in temperature and the amount of sunlight and nutrients available: Why are many of the world's largest cities built on estuaries? They find a positive correlation between particle size and permeability. It is bounded by Asia to the north, Africa to the west and Australia to the east. Why are the world's most productive fisheries located in areas of coastal upwelling? With 20% or more clay content, one would expect a ribbon to be two inches or longer. Chapter: Problem: FS show all show all steps. Which of the following best explains this phenomenon? The Santa Ana winds can exacerbate forest fires in southern California. A tsunami can result from all of the following except: Which rock type is largely formed through interactions of Earth's lithosphere with the hydrosphere and biosphere? a. energy is reflected, absorbed, and scattered by atmospheric gases. The first soil horizon to develop from bedrock is the: The north and south poles receive less insolation than other locations on Earth because of which of the following? An estuary may also be called a bay, lagoon, sound, or slough. They attract hundreds of species throughout the trophic levels; these systems' diversity has been a focal point for marine research. Once wind sets the surface waters in motion, the forces and features acting on the water to change its speed and direction is (are) __________. satellite images that capture chlorophyll concentrations in the surface ocean. Smaller areas of anchored kelp are called kelp beds. an area of the open ocean where the rate of primary productivity is very low is: a. atropic zone b. eutrophic area c. oligotropic area d. photic zone e. polytropic area c. oligotropic area productivity in polar oceans is: a. light-limited b. nutrient-limited c. oxygen-limited d. … Which of the following climatic changes would occur in Peru due to this event? Not only do they have a large biodiversity, they also provide 20 percent of the world's fishery contributions. In what way does the atmosphere interfere with insolation? a. storing potential energy as a results of plates encountering resistance as they try to pass each other. Upwelling regions are less than 1 per cent of the world’s ocean by area, but account for greater than 20 percent of the global fish catch. Estuaries are home to unique plant and animal communities that have adapted to brackish watera mixture of fresh water draining from the land and salty seawater. Indian: Typically low (0.2 gC/m2/day), but depends on seasons and monsoon winds, which can cause upwelling N of equator. They not only support a large biodiversity, but also … Climate is defined by which of the following? open ocean (upper 200 meters) b.) A moistened clump of soil is squeezed between the thumb and fingers. Each of the following choices is a likely consequence of deforestation except: Which of the following soil types can hold the most water? The length or ribbon that holds together is a predictor of the relative amounts of sand and clay in the soil. This results in warmer ocean surface temperatures compared to normal. For mankind, the resources that we get from the sea has always been a key piece of the puzzle. c. El Nino causes some areas to be warmer than normal, promoting environments ideal for birds and, therefore, disease transmission. The ribbon test is a method for estimating soil texture. Start studying world ocean 13. Circulation patterns observed in the ocean's surface waters are driven by: a. the atmosphere is a layer of gases that surround the Earth which absorbs radiation and moderates climate. Bacteria that decompose the dead algae use up all of the oxygen in the water. Most of the open ocean habitats are found in the deep ocean beyond the edge of the continental shelf. Search. d. the sea surface cools in the western tropical Pacific. The World Ocean Circulation Experiment (WOCE) which began in 1990 is a five-year research program which was established to gain more information about oceans; specifically on their contribution to heat flow. Marine ecosystems are the largest of Earth's aquatic ecosystems and are distinguished by waters that have a high salt content. Which of the following rock cycle processes plays the greatest role in soil formation? The convergence of a continental plate and oceanic crust can result in all of the following except: Which of the following causes seasonal variability in temperature and precipitation? where river draining areas with high human population densities discharge into the ocean. In between such earthquake events at a transform boundary, the lithospheric plates are: A tsunami would most likely result from seismic activity in which of the following places? Although some deserts are very hot, with daytime temperatures as high as 54°C (130°F), other deserts have cold winters or are cold year-round. This is not necessarily a surprise. The temperature at or near Earth's surface is least influenced by: On average, what is the depth of topsoil produced over a time span of 100 years? During an El Niño period, an oceanic event known as upwelling is altered along the coast of Peru. Although they occupy less than two percent of the oceans, the coastal upwelling areas in the eastern parts of the Pacific and Atlantic Ocean are among the biologically most productive marine areas worldwide. Which of the following are statements true regarding the tilt of Earth's axis? When will coastal upwelling occur in the Northern Hemisphere? Where is coastal upwelling prevalent in South America? Which of the following occurs at a subduction zone that is the deepest location on the planet? Functions of the atmosphere include all of the following except: In which layer of the atmosphere does weather occur? Which of the following is caused by the upward movement of magma at the Mid-Atlantic ridge? this is where seeds germinate, and worms and nematodes are likely to live. What causes hurricanes in the Southern Hemisphere to spin in the opposite direction as hurricanes in the Northern Hemisphere? How do plants and animals gain the energy needed to carry out cellular functions? Which is the largest river in North America, responsible for the large dead zone that forms each summer in the Gulf of Mexico? Which of the following earth processes occurs mostly along plate boundaries? Which of the following processes involves on lithospheric plate sinking beneath another lithospheric plate? Why does coastal upwelling occur on the west coast of many continents? b. subduction leading to melting of the subducted plate. What causes these high productivity areas? The west coast of major continents supports five of the most productive marine fisheries in the world. Measuring the Greatest Ocean DepthThe Challenger Deep in the Mariana Trench is the deepest known point in Earth's oceans. Kelp forests are underwater areas with a high density of kelp, which covers a large part of the world's coastlines.They are recognized as one of the most productive and dynamic ecosystems on Earth. Subduction may result in the formation of all of the following except: All if the following can occur at a transform fault boundary except: c. A horizon - this is called topsoil. Estuaries provide protected harbors, access to oceans, and connections to rivers Upwelling occurs when winds blowing across the ocean surface push water away from an area and subsurface water rises up to replace the diverging surface water. Why does coastal upwelling lead to high biological productivity? An estuary is an area where a freshwater river or stream meets the ocean. 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