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Teca, Elisabeth; Michel, Elisabeth; Siani, Giuseppe; Crosta, Xavier; Lange, Carina Beatriz; Martínez Fontaine, Consuelo; Cárdenas, Paola: Diatom data of sediment core MD07-3081 [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.974849 (dataset in review), In: Teca, E et al.: Geological investigations on sediment core MD07-3081 [dataset bundled publication]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.974782 (dataset in review)

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Abstract:
This dataset contains diatom abundance (Valves g-1), fragments (%), and relative percentage of diatom species and associated standard error (%) from core MD07-3081. 51 samples, with a resolution of 0.1 to 1 ka, were analyzed for diatom content. For sediment processing and slide preparation, we followed the protocol described by Crosta et al., 2020. We calculated the associated error of each percentage based on the equation proposed by Patterson and Fishbein (1989). Chaetoceros spp. resting spores (CRS) were not identified at the species level. Due to their similar ecology, we grouped the species Thalassionema nitzschioides var. capitulata and Thalassionema nitzschioides var. lanceolata under the Thalassionema nitzschioides group, the species Shionodiscus trifultus and Shionodiscus frenguellii were grouped under the name of the Shionodiscus group because these species look very similar under the light microscope and have a similar ecology and distribution in subantarctic waters, Azpeitia tabularis var. tabularis and Azpeitia tabularis var. egrerius were combined into the Azpeitia tabularis group. Finally, Shionodiscus oestrupii var. oestrupii is referred hereafter to Shionodiscus oestrupii. Total diatom counts include Chaetoceros resting spores.
Keyword(s):
Diatom; Foraminifera; Last Glacial; South Pacific Ocean
Supplement to:
Teca, Elisabeth; Michel, Elisabeth; Siani, Giuseppe; Crosta, Xavier; Lange, Carina Beatriz; Fontaine, Consuelo Martínez; Cárdenas, Paola (2024): Paleoceanography of the southeast Pacific since the late glacial from diatom and foraminiferal assemblages. Palaeogeography, Palaeoclimatology, Palaeoecology, 655, 112515, https://doi.org/10.1016/j.palaeo.2024.112515
References:
Crosta, Xavier; Shukla, Sunil; Ther, Olivier; Ikehara, Minoru; Yamane, Masako; Yokoyama, Yusuke (2020): Last Abundant Appearance Datum of Hemidiscus karstenii driven by climate change. Marine Micropaleontology, 157, 101861, https://doi.org/10.1016/j.marmicro.2020.101861
Patterson, R Timothy; Fishbein, Evan (1989): Re-examination of the statistical methods used to determine the number of point counts needed for micropaleontological quantitative research. Journal of Paleontology, 63(2), 245-248, https://doi.org/10.1017/S0022336000019272
Coverage:
Latitude: -49.429333 * Longitude: -76.969500
Date/Time Start: 2007-02-09T05:59:00 * Date/Time End: 2007-02-09T05:59:00
Minimum DEPTH, sediment/rock: 0.20 m * Maximum DEPTH, sediment/rock: 16.00 m
Event(s):
MD07-3081 * Latitude: -49.429333 * Longitude: -76.969500 * Date/Time: 2007-02-09T05:59:00 * Elevation: -3273.0 m * Recovery: 16.22 m * Campaign: MD159 (IMAGES XV - Pachiderme) * Basis: Marion Dufresne (1995) * Method/Device: Calypso Corer II (CALYPSO2)
Comment:
The financial support for this research was given by:
1) French-Swedish project on SO VR-349-2012-6278, Laboratoire des Sciences du Climat et de l'Environnement (LSCE), Laboratoire mixte CNRS-CEA-UVSQ, Bât 714, L'orme des Merisiers, 91190 Gif-sur-Yvette Cedex, France
2) French INSU SEPORA project, Laboratoire des Sciences du Climat et de l'Environnement (LSCE), Laboratoire mixte CNRS-CEA-UVSQ, Bât 714, L'orme des Merisiers, 91190 Gif-sur-Yvette Cedex, France
We also thank the LMC14 staff "Laboratoire de Mesure du Carbone-14", ARTEMIS national facility (LSCE (CNRS-CEA-UVSQ)-IRD-IRSN-MC) (Laboratoire des Sciences du Climat et de l'Environnement (LSCE), Laboratoire mixte CNRS-CEA-UVSQ, Bât 714, L'orme des Merisiers, 91190 Gif-sur-Yvette Cedex, France), for the results obtained with the accelerator mass spectrometry method.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1DiatomsDiatoms#Teca, ElisabethCounting, diatoms
2DEPTH, sediment/rockDepth sedmTeca, ElisabethGeocode
3AGEAgeka BPTeca, ElisabethGeocode
4Diatom valves, per unit sediment massDiatom valv/sed#/gTeca, ElisabethCounting, diatoms
5Diatom fragmentsDiatom fragm%Teca, ElisabethCounting, diatomstotal
6Actinocyclus actinochilusA. actinochilus%Teca, ElisabethCounting, diatoms
7Actinocyclus actinochilus, errorA. actinochilus e±Teca, ElisabethCounting, diatoms
8Actinocyclus curvatulusA. curvatulus%Teca, ElisabethCounting, diatoms
9Actinocyclus curvatulus, errorA. curvatulus e±Teca, ElisabethCounting, diatoms
10Actinoptychus senariusA. senarius%Teca, ElisabethCounting, diatoms
11Actinoptychus senarius, errorA. senarius e±Teca, ElisabethCounting, diatoms
12Actinoptychus vulgarisA. vulgaris%Teca, ElisabethCounting, diatoms
13Actinoptychus vulgaris, errorA. vulgaris e±Teca, ElisabethCounting, diatoms
14Asteromphalus parvulusA. parvulus%Teca, ElisabethCounting, diatoms
15Asteromphalus parvulus, errorA. parvulus e±Teca, ElisabethCounting, diatoms
16Asteromphalus spp.Asteromphalus spp.%Teca, ElisabethCounting, diatoms
17Asteromphalus spp., errorAsteromphalus spp. e±Teca, ElisabethCounting, diatoms
18Azpeitia tabularis groupA. tabularis group%Teca, ElisabethCounting, diatoms
19Azpeitia tabularis group, errorA. tabularis group e±Teca, ElisabethCounting, diatoms
20Centric spp.Centric spp.%Teca, ElisabethCounting, diatoms
21Centric spp., errorCentric spp. e±Teca, ElisabethCounting, diatoms
22Cocconeis spp. groupCocconeis spp. group%Teca, ElisabethCounting, diatoms
23Cocconeis spp. group, errorCocconeis spp. group e±Teca, ElisabethCounting, diatoms
24Coscinodiscus marginatusC. marginatus%Teca, ElisabethCounting, diatoms
25Coscinodiscus marginatus, errorC. marginatus e±Teca, ElisabethCounting, diatoms
26Coscinodiscus radiatusC. radiatus%Teca, ElisabethCounting, diatoms
27Coscinodiscus radiatus, errorC. radiatus e±Teca, ElisabethCounting, diatoms
28Coscinodiscus spp.Coscinodiscus spp.%Teca, ElisabethCounting, diatoms
29Coscinodiscus spp., errorCoscinodiscus spp. e±Teca, ElisabethCounting, diatoms
30Chaetoceros, resting sporesChaetoceros rs%Teca, ElisabethCounting, diatoms
31Chaetoceros, resting spores, errorChaetoceros rs e±Teca, ElisabethCounting, diatoms
32Cyclotella litoralisC. litoralis%Teca, ElisabethCounting, diatoms
33Cyclotella litoralis, errorC. litoralis e±Teca, ElisabethCounting, diatoms
34Cyclotella spp.Cyclotella spp.%Teca, ElisabethCounting, diatoms
35Cyclotella spp., errorCyclotella spp. e±Teca, ElisabethCounting, diatoms
36Ditylum brightwelliiD. brightwellii%Teca, ElisabethCounting, diatoms
37Ditylum brightwellii, errorD. brightwellii e±Teca, ElisabethCounting, diatoms
38Eucampia antarcticaE. antarctica%Teca, ElisabethCounting, diatoms
39Eucampia antarctica, errorE. antarctica e±Teca, ElisabethCounting, diatoms
40Fragilariopsis doliolusF. doliolus%Teca, ElisabethCounting, diatoms
41Fragilariopsis doliolus, errorF. doliolus e±Teca, ElisabethCounting, diatoms
42Fragilariopsis kerguelensisF. kerguelensis%Teca, ElisabethCounting, diatoms
43Fragilariopsis kerguelensis, errorF. kerguelensis e±Teca, ElisabethCounting, diatoms
44Fragilariopsis pseudonanaF. pseudonana%Teca, ElisabethCounting, diatoms
45Fragilariopsis pseudonana, errorF. pseudonana e±Teca, ElisabethCounting, diatoms
46Fragilariopsis rhombicaF. rhombica%Teca, ElisabethCounting, diatoms
47Fragilariopsis rhombica, errorF. rhombica e±Teca, ElisabethCounting, diatoms
48Gomphonema spp.Gomphonema spp.%Teca, ElisabethCounting, diatoms
49Gomphonema spp., errorGomphonema spp. e±Teca, ElisabethCounting, diatoms
50Grammatophora spp.Grammatophora spp.%Teca, ElisabethCounting, diatoms
51Grammatophora spp., errorGrammatophora spp. e±Teca, ElisabethCounting, diatoms
52Hemidiscus cuneiformisH. cuneiformis%Teca, ElisabethCounting, diatoms
53Hemidiscus cuneiformis, errorH. cuneiformis e±Teca, ElisabethCounting, diatoms
54Melosira spp.Melosira spp.%Teca, ElisabethCounting, diatoms
55Melosira spp., errorMelosira spp. e±Teca, ElisabethCounting, diatoms
56Navicula capitataN. capitata%Teca, ElisabethCounting, diatoms
57Navicula capitata, errorN. capitata e±Teca, ElisabethCounting, diatoms
58Navicula directaN. directa%Teca, ElisabethCounting, diatoms
59Navicula directa, errorN. directa e±Teca, ElisabethCounting, diatoms
60Navicula spp.Navicula spp.%Teca, ElisabethCounting, diatoms
61Navicula spp., errorNavicula spp. e±Teca, ElisabethCounting, diatoms
62Nitzschia bicapitataN. bicapitata%Teca, ElisabethCounting, diatoms
63Nitzschia bicapitata, errorN. bicapitata e±Teca, ElisabethCounting, diatoms
64Nitzschia kolaczeckiiN. kolaczeckii%Teca, ElisabethCounting, diatoms
65Nitzschia kolaczeckii, errorN. kolaczeckii e±Teca, ElisabethCounting, diatoms
66Nitzschia siculaN. sicula%Teca, ElisabethCounting, diatoms
67Nitzschia sicula, errorN. sicula e±Teca, ElisabethCounting, diatoms
68Nitzschia spp.Nitzschia spp.%Teca, ElisabethCounting, diatoms
69Nitzschia spp., errorNitzschia spp. e±Teca, ElisabethCounting, diatoms
70Paralia sulcataP. sulcata%Teca, ElisabethCounting, diatoms
71Paralia sulcata, errorP. sulcata e±Teca, ElisabethCounting, diatoms
72Pennate benthicP. benthic%Teca, ElisabethCounting, diatoms
73Pennate benthic, errorP. benthic e±Teca, ElisabethCounting, diatoms
74Pennate spp.Pennate spp.%Teca, ElisabethCounting, diatoms
75Pennate spp., errorPennate spp. e±Teca, ElisabethCounting, diatoms
76Planktoniella solP. sol%Teca, ElisabethCounting, diatoms
77Planktoniella sol, errorP. sol e±Teca, ElisabethCounting, diatoms
78Proboscia alataP. alata%Teca, ElisabethCounting, diatoms
79Proboscia alata, errorP. alata e±Teca, ElisabethCounting, diatoms
80Psammodictyon panduriformeP. panduriforme%Teca, ElisabethCounting, diatoms
81Psammodictyon panduriforme, errorP. panduriforme e±Teca, ElisabethCounting, diatoms
82Pseudogomphonema kamtschaticumP. kamtschaticum%Teca, ElisabethCounting, diatoms
83Pseudogomphonema kamtschaticum, errorP. kamtschaticum e±Teca, ElisabethCounting, diatoms
84Rhizosolenia antennataR. antennata%Teca, ElisabethCounting, diatoms
85Rhizosolenia antennata, errorR. antennata e±Teca, ElisabethCounting, diatoms
86Rhizosolenia bergoniiR. bergonii%Teca, ElisabethCounting, diatoms
87Rhizosolenia bergonii, errorR. bergonii e±Teca, ElisabethCounting, diatoms
88Rhizosolenia spp.Rhizosolenia spp.%Teca, ElisabethCounting, diatoms
89Rhizosolenia spp., errorRhizosolenia spp. e±Teca, ElisabethCounting, diatoms
90Roperia tesselataR. tesselata%Teca, ElisabethCounting, diatoms
91Roperia tesselata, errorR. tesselata e±Teca, ElisabethCounting, diatoms
92Shionodiscus gracilisS. gracilis%Teca, ElisabethCounting, diatoms
93Shionodiscus gracilis, errorS. gracilis e±Teca, ElisabethCounting, diatoms
94Shionodiscus groupS. group%Teca, ElisabethCounting, diatoms
95Shionodiscus group, errorS. group e±Teca, ElisabethCounting, diatoms
96Shionodiscus oestrupiiS. oestrupii%Teca, ElisabethCounting, diatoms
97Shionodiscus oestrupii, errorS. oestrupii e±Teca, ElisabethCounting, diatoms
98Shionodiscus oestrupii var. VenrickaeS. oestrupii var. venrickae%Teca, ElisabethCounting, diatoms
99Shionodiscus oestrupii var. venrickae, errorS. oestrupii var. venrickae e±Teca, ElisabethCounting, diatoms
100Shionodiscus poroseriatusS. poroseriatus%Teca, ElisabethCounting, diatoms
101Shionodiscus poroseriatus, errorS. poroseriatus e±Teca, ElisabethCounting, diatoms
102Shionodiscus spp.Shionodiscus spp.%Teca, ElisabethCounting, diatoms
103Shionodiscus spp., errorShionodiscus spp. e±Teca, ElisabethCounting, diatoms
104Staurosira spp.Staurosira spp.%Teca, ElisabethCounting, diatoms
105Staurosira spp., errorStaurosira spp. e±Teca, ElisabethCounting, diatoms
106Stellarima stellarisS. stellaris%Teca, ElisabethCounting, diatoms
107Stellarima stellaris, errorS. stellaris e±Teca, ElisabethCounting, diatoms
108Stephanodiscus spp.Stephanodiscus spp.%Teca, ElisabethCounting, diatoms
109Stephanodiscus spp., errorStephanodiscus spp. e±Teca, ElisabethCounting, diatoms
110Stephanopyxis spp.Stephanopyxis spp.%Teca, ElisabethCounting, diatoms
111Stephanopyxis spp., errorStephanopyxis spp. e±Teca, ElisabethCounting, diatoms
112Thalassionema nitzschioides groupT. nitzschioides gr%Teca, ElisabethCounting, diatoms
113Thalassionema nitzschioides group, errorT. nitzschioides group e±Teca, ElisabethCounting, diatoms
114Thalassionema nitzschioides var. claviformisT. nitzschioides var. claviformis%Teca, ElisabethCounting, diatoms
115Thalassionema nitzschioides var. claviformis, errorT. nitzschioides var. claviformis e±Teca, ElisabethCounting, diatoms
116Thalassionema nitzschioides var. inflatumT. nitzschioides var. inflatum%Teca, ElisabethCounting, diatoms
117Thalassionema nitzschioides var. inflatum, errorT. nitzschioides var. inflatum e±Teca, ElisabethCounting, diatoms
118Thalassionema nitzschioides var. nitzschioidesT. nitzschioides var. nitzschioides%Teca, ElisabethCounting, diatoms
119Thalassionema nitzschioides var. nitzschioides, errorT. nitzschioides var. nitzschioides e±Teca, ElisabethCounting, diatoms
120Thalassionema spp.Thalassionema spp.%Teca, ElisabethCounting, diatoms
121Thalassionema spp., errorThalassionema spp. e±Teca, ElisabethCounting, diatoms
122ThalassiosiraThalassiosira%Teca, ElisabethCounting, diatoms< 10 µm
123Thalassiosira , errorThalassiosira e±Teca, ElisabethCounting, diatoms< 10 µm
124Thalassiosira angulataT. angulata%Teca, ElisabethCounting, diatoms
125Thalassiosira angulata, errorT. angulata e±Teca, ElisabethCounting, diatoms
126Thalassiosira antarcticaT. antarctica%Teca, ElisabethCounting, diatoms
127Thalassiosira antarctica, errorT. antarctica e±Teca, ElisabethCounting, diatoms
128Thalassiosira eccentricaT. eccentrica%Teca, ElisabethCounting, diatoms
129Thalassiosira eccentrica, errorT. eccentrica e±Teca, ElisabethCounting, diatoms
130Thalassiosira gravidaT. gravida%Teca, ElisabethCounting, diatoms
131Thalassiosira gravida, errorT. gravida e±Teca, ElisabethCounting, diatoms
132Thalassiosira lentiginosaT. lentiginosa%Teca, ElisabethCounting, diatoms
133Thalassiosira lentiginosa, errorT. lentiginosa e±Teca, ElisabethCounting, diatoms
134Thalassiosira lineataT. lineata%Teca, ElisabethCounting, diatoms
135Thalassiosira lineata, errorT. lineata e±Teca, ElisabethCounting, diatoms
136Thalassiosira maculataT. maculata%Teca, ElisabethCounting, diatoms
137Thalassiosira maculata, errorT. maculata e±Teca, ElisabethCounting, diatoms
138Thalassiosira oliveranaT. oliverana%Teca, ElisabethCounting, diatoms
139Thalassiosira oliverana, errorT. oliverana e±Teca, ElisabethCounting, diatoms
140Thalassiosira pacificaT. pacifica%Teca, ElisabethCounting, diatoms
141Thalassiosira pacifica, errorT. pacifica e±Teca, ElisabethCounting, diatoms
142Thalassiosira simonseniiT. simonsenii%Teca, ElisabethCounting, diatoms
143Thalassiosira simonsenii, errorT. simonsenii e±Teca, ElisabethCounting, diatoms
144Thalassiosira spp.Thalassiosira spp.%Teca, ElisabethCounting, diatoms
145Thalassiosira spp., errorThalassiosira spp. e±Teca, ElisabethCounting, diatoms
146Thalassiothrix spp.Thalassiothrix spp.%Teca, ElisabethCounting, diatoms
147Thalassiothrix spp., errorThalassiothrix spp. e±Teca, ElisabethCounting, diatoms
148Trichotoxon spp.Trichotoxon spp.%Teca, ElisabethCounting, diatoms
149Trichotoxon spp., errorTrichotoxon spp. e±Teca, ElisabethCounting, diatoms
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0) (License comes into effect after moratorium ends)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
7497 data points

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