Benthic Life - Woods Hole Oceanographic Institution
2019年5月1日 · Benthic animals live on the sea floor and are typically invertebrates, such as sea anemones, sponges, corals, sea stars, sea urchins, worms, mussels, crabs, and more.
Ocean Zones - Woods Hole Oceanographic Institution
The abyssal zone, or the abyss, is the seafloor and water column from 3,000 to 6,500 meters (9,842 to 21,325 feet) depth, where sunlight doesn’t penetrate. Hadal Zone The region extending from 6,000 to 11,000 meters is called the hadal, or hadalpelagic, zone after Hades, the Greek god of the underworld.
Abyssal Zone - Woods Hole Oceanographic Institution
2021年2月25日 · What is the abyssal zone? Earth’s vast oceans run deep, bottoming out around 4,000 meters (13,123 feet) in most places, although trenches can form underwater canyons extending another 7,000 meters (22,965 feet). The seafloor and water column from 3,000 to 6,500 meters (9,842 to 21,325 feet) depth is known as the abyssal zone, or the abyss.
Hadal Zone - Woods Hole Oceanographic Institution
2024年10月31日 · The hadal zone occurs only in trenches, which can extend to 11,000 meters deep (36,000 feet). Hadal regions combined across all oceans make up an area about the size of Australia. The region extending from 6,000 to 11,000 meters is called the hadal, or hadalpelagic, zone after Hades, the Greek god of the underworld.
Twilight Zone - Woods Hole Oceanographic Institution
2023年9月29日 · The region teems with life. Recent studies suggest that the biomass of fish in the twilight zone may be ten times greater than previously thought—more than in all the rest of the ocean combined. Animals in the twilight zone range in …
Sunlit Zone - Woods Hole Oceanographic Institution
2024年10月31日 · Along the continental shelf the sunlit zone includes all water down to the seafloor, but this zone is restricted to the uppermost layer of the water column once out in the open ocean. Since ocean depths can reach 4,000 meters or more, this represents a thin layer across the top of the open ocean.
Ecosystems - Woods Hole Oceanographic Institution
Benthic animals live on the sea floor and are typically invertebrates, such as sea anemones, sponges, corals, sea stars, sea urchins, worms, mussels, crabs, and more. Coastal Ecosystems The narrow region where land and ocean meet includes salt marshes, mangroves, wetlands, estuaries, reefs, and bays often linked in a network of physical ...
Phytoplankton - A Simple Guide - WHOI
2020年8月20日 · The thickness of this layer of the ocean—the euphotic zone—varies depending on water clarity, but is at most limited to the top 200 to 300 meters (600 to 900 feet), out of an average ocean depth of 4,000 meters (13,000 feet). Phytoplankton comprise two very different kinds of organisms.
Figure 2. Study site at the head of Waquoit Bay, Massachusetts. A push–pull experiment (PP) was conducted at the intertidal zone in the valley between the two bluffs in June 2008, and benthic flux chamber incubations (BC) were conducted bayward of the low-tide line, in front of the boathouse. Figure 1. A schematic diagram of a subterranean ...
Plankton, By Any Other Name - Woods Hole Oceanographic …
Scientists usually divide plankton into three groups that align with major divisions of life. The plant-like organisms are phytoplankton (from phytos, Greek for plant); small animal plankton are zooplankton (from zoios, Greek for animal); and bacteria and archaea, minuscule cells that decompose material and recycle chemicals in the ocean, make up the bacterioplankton.