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The pelagic food web, showing the central involvement of marine microorganisms in how the ocean imports nutrients from and then exports them back to the atmosphere and ocean floor. A marine food web is a food web of marine life. At the base of the ocean food web are single-celled algae and other plant-like organisms known as phytoplankton.
This glossary of geography terms is a list of definitions of terms and concepts used in geography and related fields, including Earth science, oceanography, cartography, and human geography, as well as those describing spatial dimension, topographical features, natural resources, and the collection, analysis, and visualization of geographic data.
Seafood includes any form of food taken from the sea. Seafood is the culinary name for food that comes from any form of sea life, prominently including fish and shellfish. Shellfish include various species of molluscs (e.g., bivalve molluscs such as clams, oysters, and mussels).
Fillet of iridescent shark. A fish fillet, from the French word filet (pronounced [filɛ]) meaning a thread or strip, [1] is the flesh of a fish which has been cut or sliced away from the bone by cutting lengthwise along one side of the fish parallel to the backbone. In preparation for filleting, any scales on the fish should be removed.
Technical geography is the branch of geography that involves using, studying, and creating tools to obtain, analyze, interpret, understand, and communicate spatial information. [1][2][3][4] The other branches of geography, most commonly limited to human geography and physical geography, can usually apply the concepts and techniques of technical ...
Wharf under construction on the Upper Mississippi in Fountain City, Wisconsin [1] A wharf (pl. wharves or wharfs), quay (/ kiː / kee, also / keɪ, kweɪ / k (w)ay[2]), staith, or staithe is a structure on the shore of a harbour or on the bank of a river or canal where ships may dock to load and unload cargo or passengers. [3][4] Such a ...
Headland. A headland, also known as a head, is a coastal landform, a point of land usually high and often with a sheer drop, that extends into a body of water. It is a type of promontory. A headland of considerable size often is called a cape. [1] Headlands are characterised by high, breaking waves, rocky shores, intense erosion, and steep sea ...
In modern amphibious warfare usage, a well dock is a hangar-like deck located at the waterline in the stern of some amphibious warfare ships. By taking on water the ship can lower its stern, flooding the well deck and allowing boats, amphibious vehicles and landing craft to dock within the ship. In the United States Navy, this is referred to as ...