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Mertens, Kenneth Neil; Verhoeven, Koen; Verleye, Thomas; Louwye, Stephen; Amorim, Ana; Ribeiro, Sofia; Deaf, Amr S; Harding, Ian C; De Schepper, Stijn; González, Catalina; Kodrans-Nsiah, Monika; de Vernal, Anne; Henry, Maryse; Radi, Taoufik; Dybkjaer, Karen; Poulsen, Niels E; Feist-Burkhardt, Susanne; Chitolie, Jonah; Heilmann-Clausen, Claus; Londeix, Laurent; Turon, Jean-Louis; Marret, Fabienne; Matthiessen, Jens; McCarthy, Francine M G; Prasad, Vandana; Pospelova, Vera; Hughes, Jane E Kyffin; Riding, James B; Rochon, André; Sangiorgi, Francesca; Welters, Natasja; Sinclair, Natalie; Thun, Christian; Soliman, Ali; Van Nieuwenhove, Nicolas; Vink, Annemiek; Young, Martin (2009): Absolute abundances of dinoflagellate cysts in surface sediment samples from NW Africa [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.754816, In supplement to: Mertens, KN et al. (2009): Determining the absolute abundance of dinoflagellate cysts in recent marine sediments: The Lycopodium marker-grain method put to the test. Review of Palaeobotany and Palynology, Review of Palaeobotany and Palynology, 157(3-4), 238-252, https://doi.org/10.1016/j.revpalbo.2009.05.004

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Coverage:
Latitude: 15.870000 * Longitude: -16.670000
Event(s):
NW_Africa * Latitude: 15.870000 * Longitude: -16.670000 * Method/Device: MultiCorer (MUC) * Comment: This sample was a mixture of multicores GeoB9504-4 (15.87°N, 16.67°W, 43 m water depth) and GeoB9503-3 (16.07°N, 16.65°W, 50 m water depth).
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
SpeciesSpeciesMertens, Kenneth Neil
LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method1a/First 300 dinocysts
LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method1a/Extra 100
LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method23/First 300 dinocysts
LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method23/Extra 100
LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method4/First 300 dinocysts
LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method4/Extra 100
LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method6/First 300 dinocysts
LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method6/Extra 100
10 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method1c/First 300 dinocysts
11 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method1c/Extra 100
12 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method18b/First 300 dinocysts
13 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method18b/Extra 100
14 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method7/First 300 dinocysts
15 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method7/Extra 100
16 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method1b/First 300 dinocysts
17 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method1b/Extra 100
18 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method16/First 300 dinocysts
19 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method16/Extra 100
20 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method17
21 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method17
22 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method8/First 300 dinocysts
23 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method8/Extra 100
24 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method21a/First 300 dinocysts
25 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method21a/Extra 100
26 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method21b/First 300 dinocysts
27 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method21b/Extra 100
28 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method3/First 300 dinocysts
29 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method3/Extra 100
30 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method12/First 300 dinocysts
31 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method12/Extra 100
32 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method13/First 300 dinocysts
33 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method13/Extra 100
34 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method19/First 300 dinocysts
35 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method19/Extra 100
36 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method9/First 300 dinocysts
37 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method9/Extra 101
38 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method5/First 300 dinocysts
39 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method5/Extra 100
40 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method22a/First 300 dinocysts
41 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method22a/Extra 100
42 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method18a/First 300 dinocysts
43 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method18a/Extra 100
44 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method10b/First 300 dinocysts
45 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method10b/Extra 100
46 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method10a/First 300 dinocysts
47 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method10a/Extra 100
48 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method11/First 300 dinocysts
49 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method11/Extra 100
50 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method2/First 300 dinocysts
51 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method15b/First 300 dinocysts
52 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method20a/First 300 dinocysts
53 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method20b/First 300 dinocysts
54 LaboratoryLabMertens, Kenneth NeilLycopodium marker-grain method14/First 300 dinocysts
Size:
2041 data points

Data

Download dataset as tab-delimited text — use the following character encoding:


Species

Lab
(1a/First 300 dinocysts)

Lab
(1a/Extra 100)

Lab
(23/First 300 dinocysts)

Lab
(23/Extra 100)

Lab
(4/First 300 dinocysts)

Lab
(4/Extra 100)

Lab
(6/First 300 dinocysts)

Lab
(6/Extra 100)
10 
Lab
(1c/First 300 dinocysts)
11 
Lab
(1c/Extra 100)
12 
Lab
(18b/First 300 dinocysts)
13 
Lab
(18b/Extra 100)
14 
Lab
(7/First 300 dinocysts)
15 
Lab
(7/Extra 100)
16 
Lab
(1b/First 300 dinocysts)
17 
Lab
(1b/Extra 100)
18 
Lab
(16/First 300 dinocysts)
19 
Lab
(16/Extra 100)
20 
Lab
(17)
21 
Lab
(17)
22 
Lab
(8/First 300 dinocysts)
23 
Lab
(8/Extra 100)
24 
Lab
(21a/First 300 dinocysts)
25 
Lab
(21a/Extra 100)
26 
Lab
(21b/First 300 dinocysts)
27 
Lab
(21b/Extra 100)
28 
Lab
(3/First 300 dinocysts)
29 
Lab
(3/Extra 100)
30 
Lab
(12/First 300 dinocysts)
31 
Lab
(12/Extra 100)
32 
Lab
(13/First 300 dinocysts)
33 
Lab
(13/Extra 100)
34 
Lab
(19/First 300 dinocysts)
35 
Lab
(19/Extra 100)
36 
Lab
(9/First 300 dinocysts)
37 
Lab
(9/Extra 101)
38 
Lab
(5/First 300 dinocysts)
39 
Lab
(5/Extra 100)
40 
Lab
(22a/First 300 dinocysts)
41 
Lab
(22a/Extra 100)
42 
Lab
(18a/First 300 dinocysts)
43 
Lab
(18a/Extra 100)
44 
Lab
(10b/First 300 dinocysts)
45 
Lab
(10b/Extra 100)
46 
Lab
(10a/First 300 dinocysts)
47 
Lab
(10a/Extra 100)
48 
Lab
(11/First 300 dinocysts)
49 
Lab
(11/Extra 100)
50 
Lab
(2/First 300 dinocysts)
51 
Lab
(15b/First 300 dinocysts)
52 
Lab
(20a/First 300 dinocysts)
53 
Lab
(20b/First 300 dinocysts)
54 
Lab
(14/First 300 dinocysts)
Dinoflagellate cysts
Achomosphaera andalousiensis2
Ataxiodinium choane1
Bitectatodinium spongium1111311
Bitectatodinium tepikiense14
Brigantedinium cariacoense11
Brigantedinium simplex221
Brigantedinium spp.1171531225294977313523115
?Diplopelta symmetrica31
Dubridinium ulsterum1
Dubridinium caperatum121112357161116172117123
Dubridinium spp.15321112
Echinidinium aculeatum1151114252111132314
Echinidinium bispiniformum32
Echinidinium delicatum13112
Echinidinium euaxum1
Echinidinium granulatum17522
Echinidinium transparantum37341
Echinidinium spp.111214432223419451551431732651112
Echinidinium/Islandinium spp.5
Cyst of Gymnodinium catenatum11
Cyst of Gymnodinium nolleri111
Impagidinium patulum1
Impagidinium velorum1
Impagidinium spp.12
Islandinium minutum7467111232
Lejeunecysta oliva221111141
Lejeunecysta sabrina21111
Lejeunecysta spp.1222211222232
Lingulodinium machaerophorum28093250892748634172269912477924711626110025690269912601012841102861012829825296322117270872571042759524791280842889630993282941542201582385
Nematosphaeropsis labyrinthus11111121
Operculodinium centrocarpum sensu Wall and Dale (1966)13221183513214115
Operculodinium centrocarpum s.s.214314
Operculodinium israelianium412261211314111121
Operculodinium janduchenei12
Operculodinium spp.111310
Operculodinium sp. A of Vink (2000)1
Pentapharsodinium daleii11
Polykrikos kofoidii3211241121271212113
Polykrikos schwartzii4241212121026625165183651213
Polykrikos sp.21
Polysphaeridium zoharyi46110
Cyst of Protoperidinium americanum111
Cyst of Protoperidinium nudum111211
Quinquecuspis concreta11111112110
Protoperdinium sp.24
Round Brown Cysts316252185139374921321410143120
Selenopemphix nephroides4111111112114
Selenopemphix quanta414121343212115383242113133131114
Selenopemphix spp.115212
Spiniferites belerius1
Spiniferites bentorii1111
Spiniferites delicatus131211121111211
Spiniferites hyperacanthus22131621
Spiniferites membranaceus21111
Spiniferites mirabilis1116516213431412112312
Spiniferites pachydermus113111135411
Spiniferites ramosus5122111222219212102
Spiniferites spp.5355434823311643161141110431241410844152194531021212
Stelladinium stellatum121312222211113112
Stelladiniuml reidii21
Stelladinium robustum231
Stelladinium sp.1
cf. Tectatodinium pellitum
Trinovantedinium applanatum211113312311116
Tuberculodinium vancampoae21211112141
Votadinium calvum1113
Xandarodinium xanthum211122131
Dinocyst spp. indet.21621711141411411311129313532212123
Reworked
Reworked dinoflagellate cysts1123222512
Reworked pollen & spores4
Chlorophyta
Cymatiosphaera spp.112
Pediastrum spp.13212
Pterospermella spp.1
Tasmanites spp.111
Botryococcus spp.2111
Concentricystis circulus1122
Gelasinicysta spp. indet.1
Faunal remains
Microforaminiferal linings156331163177981952084218542433515911862912321363207955317411512315411171422
Scolecodonts11221113111111321
Tintinnids422111121121251
Planktonic Crustacean Eggs175241186192123211491334152616212884125106216455511
Invertebrate mandibles21
Floral remains
Pollen121034542711010237361619172253310361118101985610625293416135103276102103
Bisaccate pollen0032111322
Monolete spores111112121
Trilete spores212113115133311
Polyporate spores1
Fungal remains
Spores, hyphae, fruiting bodies144325732111421362112
Algae incertae sedis
Cyclopsiella spp.111
Halodinium spp.11112
Sigmopollis spp.1
Van Geel type 353A1
Acritarchs spp. indet.2110212114
Other
Calcareous dinocysts3
Diatoms13
Lycopodium clavatum spike321451615833717630685288100296853118420599453133225854981472939223483806206234631755914067373126362183425112297853299321850351060028811750866
Total dinoflagellate cysts3111043061013001003808430110030511029714631612130010032410930011034813033011438413830511735412930611030313830010032011634010533610535510530610323924829137459
Total concentration of dinocysts/gram dried sediment18060413804511020118791654310559230771836420337194591916924075177463229928645227131224713905267602383011195139062384828372280422731192371298824221345113759140631416593129215096203531540010155139921924721273229551946521519315224065016246919140574021657446065012133854
Dry weight (g)222222221.911.911.99781.997822222.00972.009722221.8511.8511.86911.86911.9171.91722221.951.95222222221.951.951.921.922221.931221.931
Methodology
´Presieving size ? (µm; no pre-sieving if empty)´1515100 & 10101 & 101201201061061501501111
Volume HCl? (ml)10010035355050100100300300303035351001002020303050509090909020202525505010010020202020303030303030757540502 gram citric acid pr. gram sediment0 gram citric acid pr. gram sediment0.3
HCl concentrations used? (%)6.56.52020323210106.56.5101010106.56.5101010101010101010101010101036368812.512.53232101015151515151535.44 then 8 then 1610
HCl temperature? (°C) (only specified when warm)808063634242507070
HCl Settle time? (hours)2424221818242418182.52.50.120.1242420.330.3312122424242424240.250.250.330.333318.518.50.10.122222424222211244000.25
KOH concentration (%)? (only specified when used)10101%
Volume HF in first treatment? (ml)100100202010010015015015015020203535404020203030505090909090202025252002002502502020151510010020206060606012512540505 litres / tank with 35 samples for one week250
HF concentrations used? (%)40.3440.3451514848404040404040494940.0540.0540404848383840404040494949494040404040406060606038384848484840404040-701939
HF temperature? (°C) (only specified when warm)8080606041.541.542427070707050
HF Settle time? (hours)7272222424161672729696242488881212121296962424242448480.330.334848144144484833222272722222242424480
Additional volume HCl? (ml)3003004004006060353540040010103030excess amountexcess amountexcess amountexcess amount2020252510010012.512.51251251050When neutral (after 2-3 days of washing), they are given a 70°C wash with citric acid in the washing machineAfter citic acid wash, the samples are wash in a standard household washing (soap) powder in the washing machine
HCl concentrations used? (%)6.56.56.56.5101010106.56.510101010303030301010101036363232202035.425
HCl temperature? (°C) (only specified when warm)707063634242808010010075757070
HCl Settle time? (hours) (0 s for when centrifugation is used)12127272000.120.1224240.330.33121200000.250.250.330.331133242410.2500
Heavy liquid used? (none by default)Sodium polytungstate 2.4Sodium polytungstate 2.5Soduim PolytungstateSoduim PolytungstateSoduim PolytungstateSoduim PolytungstateZnBr2 at a specific gravity at 2.3 at 2000 rpm/min. for 20 minutesZnBr2 at succesively a specific gravity at 2.2, 2 and 1.8 at 2000 rpm/min. for 20 minutes
Ultrasonication time? (seconds)606090901201203030120012001801806060303030030030030030301201202020101018001800131340
Calgon used?NNNNNNNNNNNNYYNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNYNNNN
Kind of sieve?NylonNylonNylonNylonNylonNylonPolyamide 66Polyamide 66NylonNylonSteel sieveSteel sieveNylonNylonNylonNylonNylonNylonNylonNylonPolyesterPolyesterNylonNylonNylonNylonNylonNylonNylonNylonNylonNylonPolymerPolymerNylonNylonNylonNylonPolyesterPolyesterprecision sieve (Stork Veco)precision sieve (Stork Veco)Cyclopore, track etched membraneCyclopore, track etched membraneCyclopore, track etched membraneCyclopore, track etched membraneNylonNylonSteelNylonPolyester with washing machinePolyester with washing machinePolyester mesh
Sieve width? (µm)20201515202110101010202010101010101010111011101010101516101010116677101015152020202020201111201011116
Centrifugation time? (seconds)151518018030030090903603606006005530030030030030030036036060060042042030030048048024024024024030030030042060300420
At what speed? (rpm)30003000300030002500250030003000330033003000300030003000300030002100210021002100300030003000300035003500350035003500350019001900190019003000300030002500200020003500
OTHER REMARKS
First treated with warm 0.02% Calgon, 2 hours, then centrifuged (3000 RPM, 3 minutes)First treated with warm 0.02% Calgon, 2 hours, then centrifuged (3000 RPM, 3 minutes)Ultrasonication is done at the beginning.Ultrasonication is done at the beginning.Some soap was added for sievingSome soap was added for sievingWe are using centrifugation between acid treatments.We are using centrifugation between acid treatments.Presieving is done after HCl treatment.We centrifuged the samples instead of decanting, i.e. 2 times after HCL, 3 times after HF, and 2 times after ultrasound sieving. 3500 rpm, during 5 minutes each time.We centrifuged the samples instead of decanting, i.e. 2 times after HCL, 3 times after HF, and 2 times after ultrasound sieving. 3500 rpm, during 5 minutes each time.HF Treatment before carbonate removal.HF Treatment before carbonate removal.Neutralised using centrifuge 4min at 1900rpmNeutralised using centrifuge 4min at 1900rpmNeutralised using centrifuge 4min at 1900rpmNeutralised using centrifuge 4min at 1900rpmSamples were centrifuged shortly after first adding of HClSamples were centrifuged shortly after first adding of HClThis is the method used by Poulsen et al. 1990After HCl treatment, samples were sieved through 6 micron polyester mesh.
Wet sieving was performed during ultrasonication to separate particles smaller than 8 umWet sieving was performed during ultrasonication to separate particles smaller than 8 umUnoxidizedUnoxidizedSieving was performed by pressure spray.Sieving was performed by pressure spray.Sieving was performed by squeeze bottleSieving was performed by squeeze bottle