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Distribution of someCalanoida (Crustacea:Copepoda) from theYucatán Peninsula,Belize and Guatemala Gerd‐Oltmann Brandorff2012 год

Distribution of some Calanoida (Crustacea: Copepoda) from the Yucatán Peninsula, Belize and Guatemala
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Аннотация: Southern Mexico and Central America have many water bodies of different morphology and water chemistry with an interesting zooplankton fauna, originating from North or South America. A set of 63 samples, taken in 2005 and 2008, from water bodies of the Yucatan Peninsula karst, Belize and Guatemala, were studied for the content of calanoid copepods. Old and recent literature was used to determine animals to species level. Drawings were prepared with a microscope and a camera lucida. A total of 32 samples with totally six species contained calanoid copepods: one estuarine pseudodiaptomid and five freshwater diaptomids. Pseudodiaptomus marshi was found at different salinities. it is confirmed that the commonest diaptomids in the Yucatan Peninsula are Arctodiaptomus dorsalis and Mastigodiaptomus nesus. The former was also recorded from Lake Amatitlan. Mastigodiaptomus nesus is as widespread as A. dorsalis but it is absent from the Lake Peten area in Guatemala. Mastigodiaptomus reidae was found in two shallow habitats, these specimens differ from those from the type locality by having a set of peculiar large spine-like processes on the last thoracic and the urosome segments of the females. Leptodiaptomus siciloides was found only in Lake Ayarza with high salinity. Prionodiaptomus colombiensis occurred in the highlands of Guatemala in Lago de Güija and in the Peten area in Laguna Sacpuy. We contributed with our occurrence records to a better knowledge of the geographic distribution of some calanoid copepods. Morphological findings in some species are of value for taxonomic differentiation between species.
Год издания: 2012
Авторы: Gerd‐Oltmann Brandorff
Издательство: Vicerractoría Investigación
Источник: Revista de Biología Tropical
Ключевые слова: Aquatic Ecosystems and Phytoplankton Dynamics, Geology and Paleoclimatology Research, Marine Biology and Ecology Research
Другие ссылки: Revista de Biología Tropical (PDF)
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DOAJ (DOAJ: Directory of Open Access Journals) (HTML)
DOAJ (DOAJ: Directory of Open Access Journals) (HTML)
Redalyc (Universidad Autónoma del Estado de México) (PDF)
Redalyc (Universidad Autónoma del Estado de México) (HTML)
PubMed (HTML)