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Calanidae
Calanidae is the largest taxonomic family of calanoid copepods. It includes the genus '' Calanus'', which may be the most abundant metazoan genus on Earth. Copepods of the genera '' Calanus'' and ''Neocalanus'' are ecologically important in the Arctic and subarctic regions of the world's oceans. Genera The family contains the following genera: *'' Calanoides'' *'' Calanus'' *'' Canthocalanus'' *'' Cosmocalanus'' *'' Mesocalanus'' *'' Metranura'' *'' Nannocalanus'' *''Neocalanus ''Neocalanus'' is a genus of marine copepods. They are a dominant component of the open water ecosystems of the northern Pacific Ocean. ''Neocalanus'' are large copepods, reaching body lengths (i.e., prosome length) of more than in ''Neocalanus ...'' *'' Undinula'' References External links * Guide to the marine zooplankton of south eastern Australia Calanoida Taxa named by James Dwight Dana Crustacean families {{Calanoida-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Calanoida
Calanoida is an order of copepods, a group of arthropods commonly found as zooplankton. The order includes around 46 families with about 1800 species of both marine and freshwater copepods between them. Description Calanoids can be distinguished from other planktonic copepods by having first antennae at least half the length of the body and biramous second antennae. However, their most distinctive anatomical trait is the presence of a joint between the fifth and sixth body segments. The largest specimens reach long, but most do not exceed long. Classification Calanoida contains the following families, as well as the genus '' Microdisseta'' (which is currently ''incertae sedis''); * Acartiidae * Aetideidae * Arctokonstantinidae * Arietellidae * Augaptilidae * Bathypontiidae * Calanidae * Calocalanidae * Candaciidae * Centropagidae * Clausocalanidae * Diaixidae * Diaptomidae * Discoidae * Epacteriscidae * Eucalanidae * Euchaetidae * Fosshageniidae * Heterorha ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Calanus
''Calanus'' is a genus of marine copepod in the family Calanidae (Order Calanoida). The genus was split in 1974, with some species being placed in a new genus, '' Neocalanus''. The following species are recognised: *'' Calanus aculeatus'' Brady, 1918 *'' Calanus agulhensis'' De Decker, Kaczmaruk & Marska, 1991 *'' Calanus chilensis'' Brodsky, 1959 *'' Calanus dorsalis'' (Rafinesque, 1817) *'' Calanus euxinus'' Hulsemann, 1991 *''Calanus finmarchicus ''Calanus finmarchicus'' is a species of copepods and a part of zooplankton, which is found in enormous amounts in the northern Atlantic Ocean. Distribution and ecology ''Calanus finmarchicus'' is most commonly found in the North Sea and the Nor ...'' (Gunnerus, 1770) *'' Calanus glacialis'' Jaschnov, 1955 *'' Calanus helgolandicus'' (Claus, 1863) *'' Calanus hyperboreus'' Krøyer, 1838 *'' Calanus jashnovi'' Hulsemann, 1994 *'' Calanus marshallae'' Frost, 1974 *'' Calanus pacificus'' Brodsky, 1948 *'' Calanus propinquus'' Brady ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Calanus Finmarchicus
''Calanus finmarchicus'' is a species of copepods and a part of zooplankton, which is found in enormous amounts in the northern Atlantic Ocean. Distribution and ecology ''Calanus finmarchicus'' is most commonly found in the North Sea and the Norwegian Sea. It is also found throughout the colder waters of the North Atlantic, especially off the coast of Canada, in the Gulf of Maine, and all the way up to western and northern Svalbard. ''Calanus finmarchicus'' is one of the most commonly found species of zooplankton in the subarctic waters of the North Atlantic. Sometimes confused with '' C. helgolandicus'' and '' C. glacialis'', ''C. finmarchicus'' is a large planktonic copepod whose chief diet includes diatoms, dinoflagellates, and other microplanktonic organisms. In fact, some studies have shown that heterotrophic microplankton provide a "prey resource sufficient for net lipid synthesis as well as egg production". ''C. finmarchicus'' is a key component in the food web of the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ocean
The ocean (also the sea or the world ocean) is the body of salt water that covers approximately 70.8% of the surface of Earth and contains 97% of Earth's water. An ocean can also refer to any of the large bodies of water into which the world ocean is conventionally divided."Ocean." ''Merriam-Webster.com Dictionary'', Merriam-Webster, [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Subarctic
The subarctic zone is a region in the Northern Hemisphere immediately south of the true Arctic, north of humid continental regions and covering much of Alaska, Canada, Iceland, the north of Scandinavia, Siberia, and the Cairngorms. Generally, subarctic regions fall between 50°N and 70°N latitude, depending on local climates. Precipitation is usually low, and vegetation is characteristic of the taiga. Daylight at these latitudes is quite extreme between summer and winter due to its high latitude. Near the summer solstice for instance, subarctic regions can experience an all-night period of either civil, nautical, or astronomical twilight (or in the northern reaches full daylight), but without true night, since the sun never dips more than 18 degrees below the horizon. Noctilucent clouds are best observed within this range of latitude. Climate and soils Subarctic temperatures are above for at least one and at most three months of the year. Precipitation tends to be ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
