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NameNavas-Pereira, D. & M. Vannucci (1991). The Hydromedusae and water masses of the Indian Ocean. Bolm Inst. Oceanogr., S. Paulo. 39(1): 25-60.
Type Publication
NoteThis analysis of distribution and abundance of species of Hydromedusae completes a report (Vannucci & Navas, 1973b) on the ecology of Indian Ocean Hydromedusae based on the zooplankton collected during the International Indian Ocean Expedition (IIOE). Dis
AbstractThis analysis of distribution and abundance of species of Hydromedusae completes a report (Vannucci & Navas, 1973b) on the ecology of Indian Ocean Hydromedusae based on the zooplankton collected during the International Indian Ocean Expedition (IIOE). Distribution and abundance are taken here to be the ecological expression of variability of species in space and time. The aim was to identify the biological signature of below surface water masses that cannot be identified by remote sensing techniques. Selected species were taken as biological units, the oceanic water masses as defined by their T-S and T-O2 diagrammes were taken as the non biological units. Taken together they define different ecosystems of the Indian Ocean. About 45,000 specimens of hydromedusae taken at 480 stations were sorted from 900 plankton and all specimens were determined and counted. Several hauls, mostly stratified, were taken with closing nets, but not all contained hydromedusae. The distribution of each species was studied in relation to water salinity, temperature and dissolved oxygen, the limits of ecological tolerance and preference were defined by the environmental characteristics of the layers sampled by the nets and are given for each species. These can be grouped as follows: 1. Deep water species, cold tolerant, often eurytopic; 2. Antarctic species, cold loving, usually stenothermal with preference for low salinity; 3. Indian Ocean Central Water species, with preference for temperature lower than 19°C and salinity not much higher than 35%, usually found at sub-surface or intermediate depths, they may spread into the Arabian Sea of Bengal in surface layers; 4. Indian Ocean Equatorial System species, warm tolerant, usually prefer comparatively low salinity, high temperature and high oxygen content; 5. Bay of Bengal Surface Water species, found in surface layers of the Bay, with preference for low salinity, high temperature and high oxygen content; 6. Arabian Sea Surface Water species prefer very high salinity and high temperature; 7. Rare species. Some immigrants from the Mediterranean Sea are described and many species were found to be tolerant of dissolved oxygen content as low as 0.2ml/l. Numerous individuals of many species were found to agglomerate at boundary layers.
Bibliographical
terms
Ecology
Zoogeography, Biogeography (generalities), Geographic distribution
Taxa
(125)
Checked: verified by a taxonomic editorAegina citrea Eschscholtz, 1829 (additional source)
Checked: verified by a taxonomic editorAeginura grimaldii Maas, 1904 (additional source)
Checked: verified by a taxonomic editorAequorea aequorea (Forsskål, 1775) accepted as Checked: verified by a taxonomic editorAequorea forskalea Péron & Lesueur, 1810 (additional source)
Checked: verified by a taxonomic editorAequorea coerulescens (Brandt, 1835) (basis of record)
Checked: verified by a taxonomic editorAequorea conica Browne, 1905 (additional source)
Checked: verified by a taxonomic editorAequorea globosa Eschscholtz, 1829 (basis of record)
Checked: verified by a taxonomic editorAequorea macrodactyla (Brandt, 1835) (additional source)
Checked: verified by a taxonomic editorAequorea parva Browne, 1905 (basis of record)
Checked: verified by a taxonomic editorAequorea pensilis (Haeckel, 1879) (additional source)
Checked: verified by a taxonomic editorAglantha elata (Haeckel, 1879) (additional source)
Checked: verified by a taxonomic editorAglaura hemistoma Péron & Lesueur, 1810 (additional source)
Checked: verified by a taxonomic editorAmphinema dinema (Péron & Lesueur, 1810) (additional source)
Checked: verified by a taxonomic editorAmphinema rugosum (Mayer, 1900) (additional source)
Checked: verified by a taxonomic editorAmphogona apicata Kramp, 1957 (basis of record)
Checked: verified by a taxonomic editorAmphogona apsteini (Vanhöffen, 1902) (basis of record)
Checked: verified by a taxonomic editorBotrynema brucei Browne, 1908 (additional source)
Checked: verified by a taxonomic editorBougainvillia fulva Agassiz & Mayer, 1899 (basis of record)
Checked: verified by a taxonomic editorBougainvillia niobe Mayer, 1894 (basis of record)
Checked: verified by a taxonomic editorBougainvillia platygaster (Haeckel, 1879) (basis of record)
Checked: verified by a taxonomic editorBougainvillia ramosa (Van Beneden, 1844) accepted as Checked: verified by a taxonomic editorBougainvillia muscus (Allman, 1863) (additional source)
Checked: verified by a taxonomic editorCalycopsis papillata Bigelow, 1918 (basis of record)
Checked: verified by a taxonomic editorCalycopsis simulans (Bigelow, 1909) (basis of record)
Checked: verified by a taxonomic editorCirrhitiara superba (Mayer, 1900) (basis of record)
Checked: verified by a taxonomic editorCirrholovenia tetranema Kramp, 1959 (basis of record)
Checked: verified by a taxonomic editorColobonema sericeum Vanhöffen, 1902 (additional source)
Checked: verified by a taxonomic editorCorymorpha forbesii (Mayer, 1894) (additional source)
Checked: verified by a taxonomic editorCrossota alba Bigelow, 1913 (basis of record)
Checked: verified by a taxonomic editorCrossota brunnea Vanhöffen, 1902 (basis of record)
Checked: verified by a taxonomic editorCunina duplicata Maas, 1893 (basis of record)
Checked: verified by a taxonomic editorCunina frugifera Kramp, 1948 (additional source)
Checked: verified by a taxonomic editorCunina octonaria McCrady, 1859 (additional source)
Checked: verified by a taxonomic editorCunina peregrina Bigelow, 1909 (basis of record)
Checked: verified by a taxonomic editorCunina tenella (Bigelow, 1909) (basis of record)
Checked: verified by a taxonomic editorCytaeis tetrastyla Eschscholtz, 1829 (additional source)
Checked: verified by a taxonomic editorEctopleura sacculifera Kramp, 1957 (additional source)
Checked: verified by a taxonomic editorEirene brevigona Kramp, 1959 (basis of record)
Checked: verified by a taxonomic editorEirene elliceana (Agassiz & Mayer, 1902) (basis of record)
Checked: verified by a taxonomic editorEirene hexanemalis (Goette, 1886) (basis of record)
Checked: verified by a taxonomic editorEirene viridula (Péron & Lesueur, 1809) (additional source)
Checked: verified by a taxonomic editorEucheilota duodecimalis A. Agassiz, 1862 (basis of record)
Checked: verified by a taxonomic editorEucheilota menoni A. Agassiz, 1862 (basis of record)
Checked: verified by a taxonomic editorEucheilota tropica Kramp, 1959 (basis of record)
Checked: verified by a taxonomic editorEuphysilla pyramidata Kramp, 1955 (basis of record)
Checked: verified by a taxonomic editorEuphysora annulata Kramp, 1928 accepted as Checked: verified by a taxonomic editorCorymorpha annulata (Kramp, 1928) (additional source)
Checked: verified by a taxonomic editorEuphysora bigelowi Maas, 1905 accepted as Checked: verified by a taxonomic editorCorymorpha bigelowi (Maas, 1905) (additional source)
Checked: verified by a taxonomic editorEuphysora furcata Kramp, 1948 accepted as Checked: verified by a taxonomic editorCorymorpha furcata (Kramp, 1948) (basis of record)
Checked: verified by a taxonomic editorEutima curva Browne, 1905 (basis of record)
Checked: verified by a taxonomic editorEutima gentiana (Haeckel, 1879) (basis of record)
Checked: verified by a taxonomic editorEutima mira McCrady, 1859 (additional source)
Checked: verified by a taxonomic editorEutima orientalis (Browne, 1905) (basis of record)
Checked: verified by a taxonomic editorGeryonia proboscidalis (Forsskål, 1775) (additional source)
Checked: verified by a taxonomic editorHalicreas minimum Fewkes, 1882 (additional source)
Checked: verified by a taxonomic editorHaliscera racovitzae (Maas, 1906) (additional source)
Checked: verified by a taxonomic editorHalistaura bruuni Navas, 1969 accepted as Checked: verified by a taxonomic editorEarleria bruuni (Navas, 1969) (basis of record)
Checked: verified by a taxonomic editorHalitiara formosa Fewkes, 1882 (additional source)
Checked: verified by a taxonomic editorHalitrephes maasi Bigelow, 1909 (additional source)
Checked: verified by a taxonomic editorHelgicirrha malayensis (Stiasny, 1928) (basis of record)
Checked: verified by a taxonomic editorHelgicirrha medusifera (Bigelow, 1909) (basis of record)
Checked: verified by a taxonomic editorKoellikerina constricta (Menon, 1932) (basis of record)
Checked: verified by a taxonomic editorKoellikerina elegans (Mayer, 1900) (basis of record)
Checked: verified by a taxonomic editorKoellikerina fasciculata (Péron & Lesueur, 1810) (additional source)
Checked: verified by a taxonomic editorKoellikerina multicirrata (Kramp, 1928) (basis of record)
Checked: verified by a taxonomic editorKoellikerina octonemalis (Maas, 1905) (basis of record)
Checked: verified by a taxonomic editorLaodicea fijiana Agassiz & Mayer, 1899 (basis of record)
Checked: verified by a taxonomic editorLaodicea indica Browne, 1905 accepted as Checked: verified by a taxonomic editorLaodicea undulata (Forbes & Goodsir, 1853) (basis of record)
Checked: verified by a taxonomic editorLeuckartiara gardineri Browne, 1916 (basis of record)
Checked: verified by a taxonomic editorLeuckartiara octona (Fleming, 1823) (additional source)
Checked: verified by a taxonomic editorLeuckartiara zacae Bigelow, 1940 (basis of record)
Checked: verified by a taxonomic editorLiriope tetraphylla (Chamisso & Eysenhardt, 1821) (additional source)
Checked: verified by a taxonomic editorLovenella assimilis (Browne, 1905) (basis of record)
Checked: verified by a taxonomic editorLovenella cirrata (Haeckel, 1879) accepted as Checked: verified by a taxonomic editorMitrocomium cirratum Haeckel, 1879 (additional source)
Checked: verified by a taxonomic editorMelicertissa mayeri Kramp, 1959 (basis of record)
Checked: verified by a taxonomic editorMelicertissa orientalis Kramp, 1961 (basis of record)
Checked: verified by a taxonomic editorMerga reesi Russell, 1956 (additional source)
Checked: verified by a taxonomic editorMerga tergestina (Neppi & Stiasny, 1912) (additional source)
Checked: verified by a taxonomic editorMerga violacea (Agassiz & Mayer, 1899) (basis of record)
Checked: verified by a taxonomic editorNeoturris pileata (Forsskål, 1775) (additional source)
Checked: verified by a taxonomic editorOceania armata Kölliker, 1853 (additional source)
Checked: verified by a taxonomic editorOctophialucium bigelowi Kramp, 1955 (basis of record)
Checked: verified by a taxonomic editorOctophialucium indicum Kramp, 1958 (basis of record)
Checked: verified by a taxonomic editorOctophialucium medium Kramp, 1955 (basis of record)
Checked: verified by a taxonomic editorOctotiara russelli Kramp, 1953 (basis of record)
Checked: verified by a taxonomic editorPandea conica (Quoy & Gaimard, 1827) (additional source)
Checked: verified by a taxonomic editorPandeopsis scutigera Kramp, 1959 accepted as Checked: verified by a taxonomic editorPandeopsis ikarii (Uchida, 1927) (basis of record)
Checked: verified by a taxonomic editorPantachogon haeckeli Maas, 1893 (additional source)
Checked: verified by a taxonomic editorPantachogon scotti Browne, 1910 (basis of record)
Checked: verified by a taxonomic editorPegantha clara Bigelow, 1909 (additional source)
Checked: verified by a taxonomic editorPegantha laevis H. B. Bigelow, 1909 (basis of record)
Checked: verified by a taxonomic editorPegantha martagon Haeckel, 1879 (basis of record)
Checked: verified by a taxonomic editorPegantha triloba Haeckel, 1879 (additional source)
Checked: verified by a taxonomic editorPersa incolorata McCrady, 1857 (additional source)
Checked: verified by a taxonomic editorPhialella falklandica Browne, 1902 (basis of record)
Checked: verified by a taxonomic editorPhialella quadrata (Forbes, 1848) (additional source)
Checked: verified by a taxonomic editorPhialidium hemisphaericum (Linnaeus, 1767) accepted as Checked: verified by a taxonomic editorClytia hemisphaerica (Linnaeus, 1767) (additional source)
Checked: verified by a taxonomic editorPhialidium mccradyi (Brooks, 1888) accepted as Checked: verified by a taxonomic editorClytia mccradyi (Brooks, 1888) (additional source)
Checked: verified by a taxonomic editorPhialidium simplex Browne, 1902 accepted as Checked: verified by a taxonomic editorClytia simplex (Browne, 1902) (basis of record)
Checked: verified by a taxonomic editorPhialucium carolinae (Mayer, 1900) accepted as Checked: verified by a taxonomic editorMalagazzia carolinae (Mayer, 1900) (basis of record)
Checked: verified by a taxonomic editorPhialucium condensum Kramp, 1953 accepted as Checked: verified by a taxonomic editorMalagazzia condensum (Kramp, 1953) (basis of record)
Checked: verified by a taxonomic editorPhialucium multitentaculatum Menon, 1932 accepted as Checked: verified by a taxonomic editorMalagazzia multitentaculatum (Menon, 1932) (basis of record)
Checked: verified by a taxonomic editorPodocoryne apicata Kramp, 1959 accepted as Checked: verified by a taxonomic editorHydractinia apicata (Kramp, 1959) (basis of record)

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2013-01-12 18:30:12Z  created  db_admin
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