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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 percentages from IODP Site 353-U1446, Bay of Bengal [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.982537, 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 percentages 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
3AcaciaAcacia%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]
8AlternantheraAlternanthera%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
9AmaranthaceaeAmaranthaceae%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
10AntidesmaAntidesma%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
11ApiaceaeApiaceae%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
12ArecaAreca%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
13ArtemisiaArtemisia%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
14AsteroideaeAsteroideae%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
15AvicenniaAvicennia%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
16BarringtoniaBarringtonia%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
17BlepharisBlepharis%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]
21BrassicaceaeBrassicac%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]
30CassiaCassia%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
32CelastraceaeCelastraceae%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
33CelosiaCelosia%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
34CentaureaCentaurea%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
35ChrysophyllumChrysophyllum%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
36CichorioideaeCichorioideae%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
37ClausenaClausena%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
38ClerodendrumClerodendrum%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
41CyperaceaeCyperac%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
42DiospyrosDiospyros%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-typeE. distachya-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]
52EphedraceaeEoheae%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
53EricaceaeEricac%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
54Euphorbia-typeEuphorbia-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]
57FabaceaeFabaceae%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]
69JasminumJasminum%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]
72LamiaceaeLamiaceae%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]
75LepidagathisLepidagathis%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]
78LiliaceaeLiliaceae%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
79LoranthaceaeLoranthaceae%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]
83MalvaceaeMalvaceae%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]
98PlantagoPlantago%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]
102QuercusQuercus%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
103RandiaRandia%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]
106RutaceaeRutaceae%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
107SalixSalix%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
108SapotaceaeSapotaceae%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
109SchleicheraSchleichera%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
110SecurinegaSecurinega%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
111SemecarpusSemecarpus%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
112SolanaceaeSolanaceae%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
113SonnetariaSonnetaria%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
114StrobilanthesStrobilanthes%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
122XanthiumXanthium%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
123ZanthoxylumZanthoxylum%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
124ZiziphusZiziphus%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
125AlnusAlnus%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
126BetulaBetula%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
127CedrusCedrus%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
128CorylusCorylus%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
129MyricaMyrica%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
130PinusPinus%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
131MyriophyllumMyriophyllum%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
132PotamogetonPotamogeton%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
133Sparganium/TyphaSparganium/Typha%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
134TyphaTypha%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
135IsoetesIsoetes%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-typeP. vulgare-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, tropical forestPollen trop forest%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
147Pollen, wet evergreen forestPollen wet evergreen forest%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
148Pollen, tropical deciduous forestPollen trop deciduous forest%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]
149Pollen, xerophytePollen xeroph%Oliveira, DulceLight Microscope, Nikon, [×500 and ×1000 (oil immersion) magnification]Xerophyte Plants
150AnalystAnalystOliveira, Dulce
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
9176 data points

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