Geographic distribution of dinoflagellate cysts in surface sediments
Geographic distribution of dinoflagellate cysts in surface sediments
Dinoflagellate cysts are useful for reconstructing upper water conditions. For adequate reconstructions detailed information is required about the relationship between modern day environmental conditions and the geographic distribution of cysts in sediments. This Atlas summarises the modern global distribution of 71 organicwalled dinoflagellate cyst species. The synthesis is based on the integration of literature sources together with data of 2405 globally distributed surface sediment samples that have been preparedwith a comparable methodology and taxonomy. The distribution patterns of individual cyst species are being comparedwith environmental factors that are knownto influence dinoflagellate growth, gamete production, encystment, excystment and preservation of their organic-walled cysts: surface water temperature, salinity, nitrate, phosphate, chlorophyll-a concentrations and bottom water oxygen concentrations. Graphs are provided for every species depicting the relationship between seasonal and annual variations of these parameters and the relative abundance of the species. Results have been compared with previously published records; an overview of the ecological significance as well as information about the seasonal production of each individual species is presented. The relationship between the cyst distribution and variation in the aforementioned environmental parameters was analysed by performing a canonical correspondence analysis. All tested variables showed a positive relationship on the 99% confidence level. Sea-surface temperature represents the parameter corresponding to the largest amount of variance within the dataset (40%) followed by nitrate, salinity, phosphate and bottom-water oxygen concentration, which correspond to 34%, 33%, 25% and 24% of the variance, respectively. Characterisations of selected environments as well as a discussion about how these factors could have influenced the final cyst yield in sediments are included.
summer, Polykrikos var arctica, Impagidinium plicatum, Ataxiodinium choane, interpolated, Spiniferites pachydermus, Impagidinium caspienense, Lingulodinium machaerophorum, Polykrikos kofoidii, Spiniferites spp., Echinidinium transparantum, Polykrikos var. arctica, Calculated, Spiniferites membranaceus, Dinoflagellate cyst, autumn, Stelladinium robustum, Center for Marine Environmental Sciences (MARUM), Tectatodinium pellitum, Protoperidinium americanum, Temperature, spring, Operculodinium janduchenei, Islandinium cezare, Echinidinium bispiniformum, Selenopemphix nephroides, Dissolved oxygen, in water, interpolated, Polykrikos schwarzii, Station label, Echinidinium granulatum, Lejeunecysta sabrina, Peridinium ponticum, Bitectatodinium spongium, Temperature, summer, Impagidinium pallidum, Phosphate, in water, interpolated, Impagidinium sphaericum, annular, Selenopemphix antarctica, Phosphate, Spiniferites bentori, Echinidinium spp., Spiniferites elongatus, Votadinium calvum, Center for Marine Environmental Sciences MARUM, Echinidinium aculeatum, Operculodinium spp., Pyxidinopsis psilata, Nematosphaeropsis labyrinthus, Spiniferites ramosus, Echinidinium delicatum, Trinovantedinium applanatum, Protoperidinium monospinum, Selenopemphix quanta, Uniform resource locator link to file, Spiniferites delicatus, LATITUDE, Gymnodinium nolleri, Quinquecuspis concreta, Dalella chathamensis, Spiniferites mirabilis, reworked, Temperature, annular, Reference source, Chlorophyll a, Impagidinium strialatum, Spiniferites cruciformis, Lejeunecysta oliva, Nitrate, Dubridinium caperatum, Impagidinium variaseptum, Gymnodinium catenatum, Dissolved oxygen, Chlorophyll a, interpolated, Cryodinium meridianum, Operculodinium israelianum, Spiniferites spp, Alexandrium tamarense, Spiniferites lazus, spring, Temperature, autumn, Temperature, Operculodinium spp, in water, Operculodinium centrocarpum, Islandinium minutum, Brigantedinium spp, sediment rock, Uniform resource locator/link to file, Earth System Research, Caspidinium rugosum, Xandarodinium xanthum, Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas SP, Impagidinium paradoxum, Echinidinium karaense, Impagidinium patulum, Pyxidinopsis reticulata, Dinoflagellate cyst, reworked, DEPTH, sediment/rock, Votadinium spinosum, Echinidinium spp, Temperature, winter, Nitrate, in water, interpolated, Impagidinium velorum, LONGITUDE, Operculodinium longispinigerum, Protoperidiniaceae, Stelladinium stellatum, Brigantedinium spp., Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas (SPP1158), winter, Glaphyrocysta semitecta, Tuberculodinium vancampoae, Polysphaeridium zoharyi, DEPTH, Impagidinium aculeatum, Pentapharsodinium dalei, Bitectatodinium tepikiense, Reference/source
summer, Polykrikos var arctica, Impagidinium plicatum, Ataxiodinium choane, interpolated, Spiniferites pachydermus, Impagidinium caspienense, Lingulodinium machaerophorum, Polykrikos kofoidii, Spiniferites spp., Echinidinium transparantum, Polykrikos var. arctica, Calculated, Spiniferites membranaceus, Dinoflagellate cyst, autumn, Stelladinium robustum, Center for Marine Environmental Sciences (MARUM), Tectatodinium pellitum, Protoperidinium americanum, Temperature, spring, Operculodinium janduchenei, Islandinium cezare, Echinidinium bispiniformum, Selenopemphix nephroides, Dissolved oxygen, in water, interpolated, Polykrikos schwarzii, Station label, Echinidinium granulatum, Lejeunecysta sabrina, Peridinium ponticum, Bitectatodinium spongium, Temperature, summer, Impagidinium pallidum, Phosphate, in water, interpolated, Impagidinium sphaericum, annular, Selenopemphix antarctica, Phosphate, Spiniferites bentori, Echinidinium spp., Spiniferites elongatus, Votadinium calvum, Center for Marine Environmental Sciences MARUM, Echinidinium aculeatum, Operculodinium spp., Pyxidinopsis psilata, Nematosphaeropsis labyrinthus, Spiniferites ramosus, Echinidinium delicatum, Trinovantedinium applanatum, Protoperidinium monospinum, Selenopemphix quanta, Uniform resource locator link to file, Spiniferites delicatus, LATITUDE, Gymnodinium nolleri, Quinquecuspis concreta, Dalella chathamensis, Spiniferites mirabilis, reworked, Temperature, annular, Reference source, Chlorophyll a, Impagidinium strialatum, Spiniferites cruciformis, Lejeunecysta oliva, Nitrate, Dubridinium caperatum, Impagidinium variaseptum, Gymnodinium catenatum, Dissolved oxygen, Chlorophyll a, interpolated, Cryodinium meridianum, Operculodinium israelianum, Spiniferites spp, Alexandrium tamarense, Spiniferites lazus, spring, Temperature, autumn, Temperature, Operculodinium spp, in water, Operculodinium centrocarpum, Islandinium minutum, Brigantedinium spp, sediment rock, Uniform resource locator/link to file, Earth System Research, Caspidinium rugosum, Xandarodinium xanthum, Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas SP, Impagidinium paradoxum, Echinidinium karaense, Impagidinium patulum, Pyxidinopsis reticulata, Dinoflagellate cyst, reworked, DEPTH, sediment/rock, Votadinium spinosum, Echinidinium spp, Temperature, winter, Nitrate, in water, interpolated, Impagidinium velorum, LONGITUDE, Operculodinium longispinigerum, Protoperidiniaceae, Stelladinium stellatum, Brigantedinium spp., Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas (SPP1158), winter, Glaphyrocysta semitecta, Tuberculodinium vancampoae, Polysphaeridium zoharyi, DEPTH, Impagidinium aculeatum, Pentapharsodinium dalei, Bitectatodinium tepikiense, Reference/source
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