Relevant bibliographies by topics / Eudendrium

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Academic literature on the topic 'Eudendrium'

Author: Grafiati
Published: 4 June 2021
Last updated: 19 February 2022

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Journal articles on the topic "Eudendrium"

1

Marques, Antonio C. "Eudendrium pocaruquarum n. sp. (Hydrozoa, Eudendriidae) from the southeastern coast of Brazil, with remarks on taxonomic approaches to the family Eudendriidae." Bijdragen tot de Dierkunde 65, no. 1 (1995): 35–40. http://dx.doi.org/10.1163/26660644-06501003.

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Eudendrium pocaruquarum , a new species of athecate hydroid referable to the family Eudendriidae, is described from the state of São Paulo, Brazil. The species is very similar to the widespread Eudendrium ramosum (Linnaeus, 1758), differing from it in the smaller size of the large microbasic euryteles. Longstanding problems in the systematics of eudendriid hydroids are noted, and the inadequacies of many early descriptions of species are discussed. The nematocysts provide a supplementary character for discrimination of species of Eudendrium, although information on the cnidome appears to have been sometimes misinterpreted in literature.
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Di Camillo, C., M. BO, A. Lavorato, C. Morigi, M. Segre Reinach, S. Puce, and G. Bavestrello. "Foraminifers epibiontic on Eudendrium (Cnidaria: Hydrozoa) from the Mediterranean Sea." Journal of the Marine Biological Association of the United Kingdom 88, no. 3 (May 2008): 485–89. http://dx.doi.org/10.1017/s0025315408001045.

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Four species of foraminifers Rosalina globularis, Lobatula lobatula, Acervulina inhaerens and Miniacina miniacea were observed as epibionts on some species of the athecate hydroids of the genus Eudendrium—E. armatum, E. glomeratum, E. moulouyensis and E. racemosum—from the Mediterranean Sea. The abundance and the distribution of the protozoans were determined for each hydroid and considered in relation to the shape and size of the Eudendrium branches. Results revealed differences in the composition of the epibiontic assemblage among different species of Eudendrium which were dependent on several factors, but were mainly related to the habitat and to the morphology of the host.The interactions between Eudendrium and its epibionts were considered to emphasize the role of the Eudendrium colonies as a hotspot not only of poorly known species but also of co-evolutionary relationships and life histories.
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Gili, Josep-Maria, Alicia Duró, Josep García-Valero, Josep M. Gasol, and Sergio Rossi. "Herbivory in small carnivores: benthic hydroids as an example." Journal of the Marine Biological Association of the United Kingdom 88, no. 8 (December 2008): 1541–46. http://dx.doi.org/10.1017/s0025315408003214.

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Previous evidence has shown that benthic hydroids capture all kinds of available prey and the only known constraint was prey size. Among the prey captured are phytoplankton cells but it is not known whether they are digested and assimilated. To test the hypothesis that benthic hydroids assimilate phytoplankton cells, a series of feeding experiments was carried out with the Mediterranean species Eudendrium racemosum. Ingestion rates and assimilation efficiency were determined by analysing the 14C incorporated from a labelled population of the diatom species Thalassiosira weissflogii. Eudendrium racemosum fed on T. weissflogii, after a period of starvation, and with the diatoms as the sole food item. In the presence of approximately 15,000 diatoms ml−1, Eudendrium fed at rates ranging from 16 to 55 diatoms polyp−1 hour−1. Accumulation of radioactivity in the hydrocaulus and the polyps of the hydroids were observed. A maximum ingestion of 31.6 diatoms per μgC of polyp (i.e. 175 diatoms per polyp) was observed in the experiments. Most of the diatom 14C ingested would have ended up in the Eudendrium tissue (efficiency 94%), and it was expected that a certain percentage would have been respired by the polyps. These data show that Eudendrium feed on phytoplankton, which can satisfy almost 100% of their energy demand when this type of food is sufficiently abundant.
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Puce, Stefania, Carlo Cerrano, Antonio C. Marques, and Giorgio Bavestrello. "Eudendrium klausi (Cnidaria, Hydrozoa), a new species of hydroid from Belize." Journal of the Marine Biological Association of the United Kingdom 85, no. 2 (March 31, 2005): 291–305. http://dx.doi.org/10.1017/s0025315405011185h.

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A new species of the cosmopolitan genus Eudendrium, E. klausi, is described from Carrie Bow Cay, Belize. The species is characterized by a small colony with an intense blue colour, polyps armoured with large microbasic euryteles scattered on the hydranth body, hypostome, and female spadix; female gonophores on normal hydranths with a reduced number of tentacles. The new species is compared to other Eudendrium with similar cnidome, and other Caribbean species, including those described by Allman (1877). Among the latter, E. gracile, E. laxum, E. attenuatum, and E. tenellum (sensu Allman) are considered as species inquirenda due to the lack or the unsuitability of the type materials and the inconclusive original descriptions. Eudendrium exiguum, E. eximium, and E. fruticosum were also studied and demonstrated to be different from E. klausi sp. nov.
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5

Oliveira, Otto M. P., and Antonio C. Marques. "Population biology of Eudendrium caraiuru (Cnidaria, Anthoathecata, Eudendriidae) from São Sebastião Channel, Southeastern Brazil." Iheringia. Série Zoologia 95, no. 3 (September 2005): 241–46. http://dx.doi.org/10.1590/s0073-47212005000300003.

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The ecology of Eudendrium spp. from the Brazilian coast is poorly known, although it already proved to be useful and important as a tool to solve some taxonomical problems of the genus. The seasonality and reproduction patterns of a population of Eudendrium caraiuru Marques & Oliveira, 2003 were studied. Data were sampled from test panels immersed in the water off Cabelo Gordo de Dentro beach, in São Sebastião Channel, Southeastern Brazil, from July 1999 to July 2000, every three months. Eudendrium caraiuru was active throughout the study period. Reproductive peaks of the species were regulated by cold and low-salinity water, although part of the population always bore mature gonophores. In addition to morphological differences, ecological differences between E. caraiuru and its similar species, E. glomeratum Picard, 1951, especially from well known populations of the Mediterranean Sea, corroborated that these species are diverse lineages of a unique ancestor.
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WEDLER, EBERHARD. "Eudendrium tayronensis sp. nov. (Cnidaria, Hydrozoa) from coastal lagoons on the Caribbean Coast of Colombia." Zootaxa 4277, no. 2 (June 16, 2017): 274. http://dx.doi.org/10.11646/zootaxa.4277.2.7.

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The purpose of this note is to describe a new species of the hydrozoan Eudendrium found during an ecological study at the coastal lagoon Bahía de Chengue, near the city of Santa Marta, Colombia (Alvarez-Leon et al., 1995). Colonies of 6–16 cm height were collected between September 1982 and March 1983, up to 0.6 m deep. As of February 2016, this species was still present in the region. They grow on stilt roots of the red mangrove, Rhizophora mangle, in the lagoon channel, and near the opening of Cienaga Grande de Santa Marta estuary. This species is similar to the more common Caribbean Eudendrium carneum Clarke, 1882, but differs in the morphology of female and male gonophores. Voucher material is deposited in the Senckenberg Museum in Frankfurt, Germany (SMF) and in the Makuriwa-Museo de Historia Natural Marina de Colombia at Instituito de Investigaciones Marinas y Costeras—INVEMAR, Santa Marta (INV-CNI).
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7

MARQUES, ANTONIO C., and OTTO M. P. OLIVEIRA. "Eudendrium caraiuru sp. n. (Hydrozoa; Anthoathecata; Eudendriidae) from the southeastern coast of Brazil." Zootaxa 307, no. 1 (September 24, 2003): 1. http://dx.doi.org/10.11646/zootaxa.307.1.1.

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Eudendrium caraiuru sp. n. is described for the southeastern coast of Brazil. The species was reported previously from the area as E. glomeratum, a common species of the Mediterranean Sea. However, morphological, morphometrical and ecological data suggest they are diverging lineages, requiring a new specific name for the Brazilian population.
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8

CALDER, DALE R. "Additions to the hydroids (Cnidaria, Hydrozoa) of the Bay of Fundy, northeastern North America, with a checklist of species reported from the region." Zootaxa 4256, no. 1 (April 24, 2017): 1. http://dx.doi.org/10.11646/zootaxa.4256.1.1.

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Two new species of hydroids, Eudendrium bleakneyi and Halecium praeparvum, are described from the Bay of Fundy. Fourteen others, Tubularia acadiae Petersen, 1990, Coryne pusilla Gaertner, 1774, Sarsia lovenii (M. Sars, 1846), Zanclea implexa (Alder, 1856), Corydendrium dispar Kramp, 1935, Rhizogeton fusiformis L. Agassiz, 1862, Bougainvillia muscus (Allman, 1863), Rhizorhagium roseum M. Sars, in G.O. Sars, 1874, Hydractinia symbiolongicarpus Buss & Yund, 1989, Eudendrium vaginatum Allman, 1863, Tiaropsis multicirrata (M. Sars, 1835), Obelia bidentata S.F. Clark, 1875, Halecium marsupiale Bergh, 1887, and Sertularella gigantea Hincks, 1874, are reported, with collection data, for the first time from the bay. All but Coryne pusilla, Rhizorhagium roseum, Eudendrium vaginatum, and Sertularella gigantea are also new to Atlantic Canada, while Zanclea implexa, Corydendrium dispar, and Halecium marsupiale are reported for the first time in the western North Atlantic. Two of those species, Hydractinia symbiolongicarpus and Obelia bidentata, are disjunct in distribution, with core populations occurring in warmer waters to the south of Cape Cod, Massachusetts. Both were discovered in Minas Basin, a hydrographically distinct embayment where surface water temperatures are much warmer during summer than in the perpetually cold lower Bay of Fundy. Rhizorhagium roseum and the subfamily Rhizorhagiinae are transferred from family Bougainvilliidae Lütken, 1850 to Pandeidae Haeckel, 1879. An annotated checklist of hydroids from the Fundy region, based on previously published reports and on new records of species, is added as an appendix. Included in the checklist are 43 species of anthoathecates and 75 species of leptothecates, referable to 30 families and 56 genera. Families with the most species were Sertulariidae (23), Haleciidae (13), Eudendriidae (11), and Obeliidae (10). Biogeographically, the aggregate hydroid fauna of the bay conforms with that occurring in other parts of the Western Atlantic Boreal Region. Halecium permodicum is proposed as a replacement name for Halecium minor Fraser, 1935, an invalid junior homonym of H. minor Pictet, 1893.
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Zega, Giuliana, Roberta Pennati, Arianna Fanzago, and Fiorenza De Bernardi. "Serotonin involvement in the metamorphosis of the hydroid Eudendrium racemosum." International Journal of Developmental Biology 51, no. 4 (2007): 307–13. http://dx.doi.org/10.1387/ijdb.062195gz.

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10

Fattorusso, Ernesto, Virginia Lanzotti, Silvana Magno, and Ettore Novellino. "Two New Polyoxygenated Sterols from the Marine Hydroid Eudendrium glomeratum." Journal of Natural Products 48, no. 5 (September 1985): 784–87. http://dx.doi.org/10.1021/np50041a011.

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Dissertations / Theses on the topic "Eudendrium"

1

Watson, Jeanette Esther, and mikewood@deakin edu au. "Studies on Australian hydroids the genus eudendrium and the fauna of the seagrass amphibolis." Deakin University. School of Science, 1990. http://tux.lib.deakin.edu.au./adt-VDU/public/adt-VDU20050825.121035.

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An important Athecate genus, Eudendrium, and a group of species of the Thecata, the latter ecologically related by life on a common substrate, are reviewed. Eudendrium, hitherto poorly known in Australia, comprises 17 species, including 10 undescribed species with 71% Australian, and high provincial endemicity. Eudendrium may be a shelf genus avoiding turbulent oceanic waters. Species of Eudendrium are predominantly epizoic and some gregariously settling colonies may live for five years. Identification of sterile material is refined by using the cnidome in a key to classification. The species and population dynamics of hydroid epiphytes of the endemic southern Australian marine angiosperm Amphibolis were investigated with revision of historically vexatious taxa. In contrast with the northern hemisphere, no Athecata are associated with southern Australian seagrasses. Seventeen species from eight thecate families are associated with the two species of Amphibolis, including one undescribed species, H&lecium amphibolum, and one new record for Australia, Aglaophenia postdentata. The Lineolariidae is revised and a new genus, Millardaria, erected for a species from seagrass in Madagascar. The high endemicity (58%) and host-specificity of hydroids to Amphibolis is an evolutionary consequence of isolation of the seagrass dating from break-up of the Tethyan Sea. Hydroids occur throughout the year in the Amphibolis leaf canopy with a mean annual epiphytism of 44% on A. antarctica in the eastern continent and 86% in the western continent; epiphytism is 52% on A. griffithii in the western continent. Half of the eight important species are dominant epiphytes across the southern continent but the species and order of abundance varies regionally. Most are pioneer colonists with short, repetetive life-cycles lasting from weeks to a few months. Three species epiphytise the seagrass stems but only one is a leaf-canopy dominant. The canopy community comprises small, fast-growing species or dwarfed variants of species larger in other habitats: these ecomorphically constant forms are associated only with seagrass. Strategies for survival in the harsh Amphibolis environment include adnate colonies and gonothecae adnate or recumbent to the substrate, marked strengthening of the hydrorhiza, various hydrodynamic adaptations of the hydrotheca, early maturation and production of numerous small ova.
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