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In fishkeeping, a refugium is an appendage to a marine, brackish, or freshwater fish tank that shares the same water supply. It is a separate sump , connected to the main show tank. [ 1 ] It is a " refugium " in the sense that it permits organisms to be maintained that would not survive in the main system, whether food animals, anaerobic ...
The refugium and sump are often housed in a single tank with a system of dividers to separate the compartments. Lighting: Several lighting options are available for the reef-keeper and are tailored to the types of coral kept. Canopy: The canopy houses the light fixtures and provides access to the tank for feeding and maintenance.
In biology, a refugium (plural: refugia) is a location which supports an isolated or relict population of a once more widespread species. This isolation ( allopatry ) can be due to climatic changes, geography, or human activities such as deforestation and overhunting.
The small porpoises get caught in fishing nets, called gillnets, meant to catch the endangered totoaba, shrimp, and other fish. How Do Gillnets Work?
Sumps or other small aquariums used for this purpose became known as "refugiums". [9] The name "refugium" was used because the growing algae provided a safe place for small and microscopic animals to breed and grow, and thus was a "refuge" from the large fish and invertebrates in the main aquarium that would otherwise consume them.
Image credits: Furious Thoughts You can also use Google Earth to explore the planet and various cities, locations, and landscapes using coordinates.The program covers most of the globe (97% back ...
National Geographic has release a trailer for A Small Light, its upcoming scripted series about those who boldly chose to hide Anne Frank’s family and others from the Nazis during World War II.
It is host to over 2000 islands, some with mountains exceeding 1000 meters in elevation. These higher peaks still support remnants of the ice age: snowfields and small glaciers. During the glacial period, glacier formation was accompanied by a lowering in the sea level, which likely helped expose the now submerged continental shelf.
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