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Oliveira, Dulce; Desprat, Stéphanie; Yin, Qiuzhen; Zorzi, Coralie; Wu, Zhipeng; Anupama, Krishnamurthy; Prasad, Srinivasan; Alonso-Garcia, Montserrat; Martinez, Philippe (2025): Pollen-based vegetation counts from IODP Site 353-U1446, Bay of Bengal [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.982534, In: Oliveira, D et al. (2025): Pollen-based vegetation record from IODP Site 353-U1446 (Bay of Bengal), Marine Isotope Stage 11 [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.982497

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Published: 2025-05-20DOI registered: 2025-06-18

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Abstract:
The dataset includes counts of all identified pollen and spore morphotypes, as well as the main ecological groups: tropical forest, wet evergreen forest, tropical deciduous forest and xerophyte plants. Samples of 1–5 g of dry sediment were processed using the standard protocol for marine samples, which includes coarse sieving (150 μm mesh), consecutive treatments with cold HCl and cold HF and micro-sieving (5 μm mesh). Residues were mounted unstained in a mobile media (glycerol) to allow polar and equatorial observations of pollen grains. Counting was performed using a Nikon light microscope at ×500 and ×1000 (oil immersion) magnification.
Keyword(s):
Bay of Bengal; Indian Summer Monsoon; Interglacial; MIS 11; pollen analysis
References:
Oliveira, Dulce; Desprat, Stéphanie; Yin, Qiuzhen; Zorzi, Coralie; Wu, Zhipeng; Anupama, Krishnamurthy; Prasad, Srinivasan; Alonso-Garcia, Montserrat; Martinez, Philippe (preprint): Complex interplay of forcings drives Indian vegetation and summer monsoon variability during MIS 11. EGUsphere, https://doi.org/10.5194/egusphere-2024-3341
Funding:
Fundação para a Ciência e Tecnologia (FCT), grant/award no. EXPL/CTA-CLI/0612/2021: Indian monsoon and vegetation dynamics: lessons from two contrasting glacial-interglacial cycles of the Middle Pleistocene (INDRA)
Fundação para a Ciência e Tecnologia (FCT), grant/award no. PTDC/CTA-CLI/4297/2021: Understanding the abrupt hidroclimatic variations in the middle latitdudes of North Atlantic (Hydroshifts)
Fundação para a Ciência e Tecnologia (FCT), grant/award no. UIDB/04326/2020: Centro de Ciências do Mar (CCMAR)
Portuguese Science and Technology Foundation, grant/award no. UIDB/04326/2020: CCMAR LA
Portuguese Science and Technology Foundation, grant/award no. UIDP/04326/2020: CCMAR LA
Coverage:
Latitude: 19.084000 * Longitude: 85.735000
Minimum DEPTH, sediment/rock: 70.30 m * Maximum DEPTH, sediment/rock: 82.13 m
Event(s):
353-U1446 * Latitude: 19.084000 * Longitude: 85.735000 * Campaign: Exp353 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE)
Comment:
This dataset was additionaly funded by the French research program LEFE (INSU-CNRS) through Project MICMAc.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1DEPTH, sediment/rockDepth sedmOliveira, DulceGeocode – CCSF-A
2AGEAgeka BPOliveira, DulceGeocode
3AcaciaAca#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
4AcalyphaAcalypha#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
5AegleAegle#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
6AglaiaAglaia#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
7AlchorneaAlchornea#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
8AlternantheraAlternant#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
9AmaranthaceaeAmaceae#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
10AntidesmaAntidesma#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
11ApiaceaeApiae#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
12ArecaAreca#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
13ArtemisiaArt#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
14AsteroideaeAsteroideae#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
15AvicenniaAvicenni#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
16BarringtoniaBarringtonia#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
17BlepharisBlephari#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
18BombaxBombax#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
19BorassusBorassus#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
20BorreriaBorreria#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
21BrassicaceaeBraae#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
22BrideliaBridelia#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]Bridelia/Cleistanthus
23BrownlowiaBrownlowia#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
24BuchananiaBuchanania#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
25CaesalpiniaCaesalpinia#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
26CannabisCan#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]Cannabis/Celtis
27CanthiumCanthium#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
28CaryophyllaceaeCphae#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
29CaryotaCaryota#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
30CassiaCia#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
31Lithocarpus/CastanopsisLithocarpus/Castanopsis#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]Castanopsis/Lithocarpus
32CelastraceaeCelae#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
33CelosiaCelosia#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
34CentaureaCen#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
35ChrysophyllumChrysophyllum#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
36CichorioideaeCicoid#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
37ClausenaClausena#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
38ClerodendrumCleroden#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
39CocculusCocculus#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
40Melastomataceae/CombretaceaeMelast/Combr#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]Combretaceae/Melatomataceae
41CyperaceaeCypae#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
42DiospyrosDiospyro#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
43DodonaeaDodonaea#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
44Drypetes malabaricaD. malabarica#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
45Drypetes sepiariaD. sepiaria#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
46DrypetesDrypetes#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
47DuabangaDuabanga#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
48ElaeocarpusElaeocarpus#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
49ElaeagnaceaeElaeagnaceae#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
50Ephedra distachya-typeEph.d-T#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
51Ephedra major-typeEph.m-T#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
52EphedraceaeEpheae#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
53EricaceaeEriae#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
54Euphorbia-typeEup-T#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
55EuryaEurya#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
56ExcoecariaExcoecaria#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
57FabaceaeFabae#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
58GardeniaGardenia#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
59GlochidionGlochidion#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
60GnetumGnetum#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
61GrewiaGrewia#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
62HaldinaHaldina#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
63HardwickiaHardwickia#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
64HiptageHiptage#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
65HolopteleaHoloptelea#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
66HopeaHopea#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]Hopea/Shorea
67IsonandraIsonandra#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
68IxoraIxora#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
69JasminumJam#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
70JusticiaJusticia#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
71LagerstroemiaLagerstroemia#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
72LamiaceaeLamae#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
73LanneaLannea#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
74LeeaLeea#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
75LepidagathisLepidaga#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
76LeucaenaLeucaena#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
77LigustrumLig#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
78LiliaceaeLilae#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
79LoranthaceaeLorae#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
80MacarangaMacaranga#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
81MadhucaMadhuca#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
82MallotusMallotus#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
83MalvaceaeMalvae#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
84MangiferaMangifera#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
85MeliaceaeMeliaceae#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
86MeliosmaMeliosma#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
87MicheliaMichelia#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
88MimosaMimosa#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
89Moraceae/UrticaceaeMor/Urt#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
90MyristicaceaeMyristicaceae#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
91NypaNypa#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
92OldenlandiaOldenlandia#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
93Olea dioicaO. dioica#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
94Olea paniculataO. paniculata#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
95PandanusPandanus#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
96PhoenixPhoenix#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
97PhyllanthusPhyllanthus#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
98PlantagoPla#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
99PoaceaePoac#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
100PolygalaceaePgaae#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
101Polygonum plebeiumP. plebeium#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
102QuercusQue#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
103RandiaRand#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
104RhizophoraceaeRhizophoraceae#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
105RicinusRcn#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
106RutaceaeRutae#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
107SalixSal#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
108SapotaceaeSapeae#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
109SchleicheraSchleichera#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
110SecurinegaSecurine#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
111SemecarpusSemecarpus#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
112SolanaceaeSolae#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
113SonnetariaSonnetaria#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
114StrobilanthesStr#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
115SymplocosSymplocos#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
116SyzygiumSyzygium#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
117TectonaTectona#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
118TetramelesTetrameles#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
119TremaTrema#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
120MacarangaMacaranga#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]TX 3CP Macaranga but psilate
121Spores, smooth butterflySpores smooth butterfly#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]TX 3CP smooth butterfly pore
122XanthiumXan#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
123ZanthoxylumZanthoxy#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
124ZiziphusZiziphus#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
125AlnusAln#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
126BetulaBet#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
127CedrusCed#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
128CorylusCor#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
129MyricaMyr#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
130PinusPin#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
131MyriophyllumMyo#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
132PotamogetonPot#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
133Sparganium/TyphaSpm/Typ#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
134TyphaTyp#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
135IsoetesIso#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
136Monolete ornamentedMon.orn#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
137Monolete psilateMon-P#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
138Polypodium vulgare-typePpd.v-T#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
139Trilete ornamentedTri-orn#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
140Trilete psilateTri-P#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
141Pollen, brokenPollen broken#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
142Pollen, hiddenPollen hidden#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
143Pollen, corrodedPollen corroded#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
144Pollen, crumpledPollen crumpled#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
145Pollen indeterminataPollen indet#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]Unknown
146Pollen, totalPollen tot#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]Total Sum
147Pollen, mainPollen main#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]Main Sum
148Pollen, tropical forestPollen trop forest#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
149Pollen, wet evergreen forestPollen wet evergreen forest#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
150Pollen, tropical deciduous forestPollen trop deciduous forest#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
151Pollen, xerophytePollen xeroph#Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]Xerophyte Plants
152AnalystAnalystOliveira, Dulce
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
2961 data points

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