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Akabane, Thomas K; Daniau, Anne-Laure; de Oliveira, Paulo Eduardo; Duarte, Danilo S; Hanquiez, Vincent; Romero-Ramirez, Alicia; Queffelec, Alain; Campos, Marília C; Mendes, Vinícius Ribau; Georget, Muriel; Chiessi, Cristiano Mazur (2026): Pollen record from sediment core M125-95-3 off the São Francisco River Mouth, Eastern Tropical South America [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.996171 (DOI registration in progress)

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Published: 2026-09-09

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Abstract:
The São Francisco Basin (SFB) is the largest watershed in eastern tropical South America, encompassing extensive areas of savannas, xeric vegetation, and tropical forests. Here, we present a low-resolution pollen record spanning from 11,900 to 71,600 yr BP from marine sediment core M125-95-3 (Latitude: 10.945; Longitude: -36.2057), retrieved offshore of the São Francisco River mouth. The record indicates a persistent predominance of savanna vegetation, accompanied by shifts in the relative abundance of arboreal and herbaceous taxa, with open savannas expanding during Marine Isotope Stage (MIS) 2. This expansion of open savannas coincided with the most intense fire regime, suggesting enhanced climatic seasonality during this interval. During Termination I, arboreal pollen gradually increased and cold-affinity taxa expanded during Heinrich Stadial 1 (HS1).
Keyword(s):
M125-95-3; off eastern South America; Pollen; pollen counts; Sediment core
Related to:
Akabane, Thomas K; Daniau, Anne-Laure; de Oliveira, Paulo Eduardo; Duarte, Danilo S; Hanquiez, Vincent; Romero-Ramirez, Alicia; Queffelec, Alain; Campos, Marília C; Mendes, Vinicius J; Georget, Muriel; Chiessi, Cristiano Mazur (accepted): Positive fire-vegetation feedbacks modulated by hydroclimate changes in eastern tropical South America over the last 72 ka. Global and Planetary Change
Funding:
Coordenação de Aperfeicoamento de Pessoal de Nível Superior (CAPES), grant/award no. 8881.712022/2022-1
Coordenação de Aperfeicoamento de Pessoal de Nível Superior (CAPES), grant/award no. 88887.989386/2024-00
São Paulo Research Foundation (FAPESP), grant/award no. 2019/19948-0
São Paulo Research Foundation (FAPESP), grant/award no. 2021/13129-8
São Paulo Research Foundation (FAPESP), grant/award no. 2024/00949-5
São Paulo Research Foundation (FAPESP), grant/award no. 2025/05117-0
Coverage:
Latitude: -10.945000 * Longitude: -36.205700
Date/Time Start: 2016-04-08T20:23:00 * Date/Time End: 2016-04-08T20:23:00
Minimum DEPTH, sediment/rock: 0.73 m * Maximum DEPTH, sediment/rock: 7.46 m
Event(s):
M125_469-3 (M125-95-3) * Latitude: -10.945000 * Longitude: -36.205700 * Date/Time: 2016-04-08T20:23:00 * Elevation: -1897.0 m * Location: South Atlantic Ocean * Campaign: M125 (SAMBA) * Basis: Meteor (1986) * Method/Device: Piston corer (PC)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1DEPTH, sediment/rockDepth sedmAkabane, Thomas KGeocode
2AGEAgeka BPAkabane, Thomas KGeocode
3Sample volumeSamp volcm3Akabane, Thomas K
4Lycopodium spores addedLyc.added#Akabane, Thomas KCounting, palynology
5Lycopodium spores countedLyc.counted#Akabane, Thomas KCounting, palynology
6Pollen, totalPollen tot#Akabane, Thomas KCounting, palynology
7JusticiaJusticia#Akabane, Thomas KCounting, palynologyAcanthaceae
8MendonciaMendonci#Akabane, Thomas KCounting, palynologyAcanthaceae
9AlismaAli#Akabane, Thomas KCounting, palynologyAlismataceae
10EchinodorusEchinodorus#Akabane, Thomas KCounting, palynologyAlismataceae
11AlternantheraAlternant#Akabane, Thomas KCounting, palynologyAmaranthaceae
12AmaranthusAmaranthus#Akabane, Thomas KCounting, palynologyAmaranthaceae
13GomphrenaGomphrena#Akabane, Thomas KCounting, palynologyAmaranthaceae
14AnacardiaceaeAnaae#Akabane, Thomas KCounting, palynology
15ApiaceaeApiae#Akabane, Thomas KCounting, palynology
16Allamanda-typeAllamanda-T#Akabane, Thomas KCounting, palynologyApocynaceae
17ForsteroniaForsteronia#Akabane, Thomas KCounting, palynologyApocynaceae
18LacmelleaLacmellea#Akabane, Thomas KCounting, palynologyApocynaceae
19MalouetiaMalouetia#Akabane, Thomas KCounting, palynologyMalouetia/Macoubea (Apocynaceae)
20IlexIle#Akabane, Thomas KCounting, palynologyAquifoliaceae
21SpathiphyllumSpathiphyllum#Akabane, Thomas KCounting, palynologyAraceae
22ScheffleraScheffl#Akabane, Thomas KCounting, palynologyAraliaceae
23AraucariaAraucaria#Akabane, Thomas KCounting, palynologyAraucariaceae
24ArecaceaeArecceae#Akabane, Thomas KCounting, palynology
25AttaleaAttalea#Akabane, Thomas KCounting, palynologyArecaceae
26MauritiaMauritia#Akabane, Thomas KCounting, palynologyArecaceae
27AsteraceaeAstae#Akabane, Thomas KCounting, palynology
28BegoniaBegonia#Akabane, Thomas KCounting, palynologyBegoniaceae
29HandroanthusHandroanthus#Akabane, Thomas KCounting, palynologyBignoniaceae
30CordiaCordia#Akabane, Thomas KCounting, palynologyBoraginaceae
31HeliotropiumHelio#Akabane, Thomas KCounting, palynologyBoraginaceae
32TournefortiaTournefortia#Akabane, Thomas KCounting, palynologyBoraginaceae
33BrassicaceaeBraae#Akabane, Thomas KCounting, palynology
34BromeliaceaeBromeliaceae#Akabane, Thomas KCounting, palynology
35ProtiumProtium#Akabane, Thomas KCounting, palynologyBurseraceae
36MelocactusMelocactus#Akabane, Thomas KCounting, palynologyCactaceae
37CeltisCel#Akabane, Thomas KCounting, palynologyCannabaceae
38CratevaCrateva#Akabane, Thomas KCounting, palynologyCapparaceae
39CelastraceaeCelae#Akabane, Thomas KCounting, palynology
40PlenckiaPlenckia#Akabane, Thomas KCounting, palynologyCelastraceae
41SalaciaSalacia#Akabane, Thomas KCounting, palynologyCelastraceae
42TontoleaTontolea#Akabane, Thomas KCounting, palynologyCelastraceae
43HedyosmumHedyosmum#Akabane, Thomas KCounting, palynologyChloranthaceae
44LicaniaLicania#Akabane, Thomas KCounting, palynologyChrysobalanaceae
45CleomeCleome#Akabane, Thomas KCounting, palynologyCleomaceae
46ClusiaClusia#Akabane, Thomas KCounting, palynologyClusiaceae
47RoureaRourea#Akabane, Thomas KCounting, palynologyConnaraceae
48LamanoniaLamanonia#Akabane, Thomas KCounting, palynologyCunnoniaceae
49WeinmanniaWeinmannia#Akabane, Thomas KCounting, palynologyCunnoniaceae
50CyperaceaeCypae#Akabane, Thomas KCounting, palynologyCyperaceae ssp
51CuratellaCuratella#Akabane, Thomas KCounting, palynologyDilleniaceae
52SloaneaSloanea#Akabane, Thomas KCounting, palynologyElaeocarpaceae
53EricaceaeEriae#Akabane, Thomas KCounting, palynology
54EriocaulaceaeEriocae#Akabane, Thomas KCounting, palynology
55AcalyphaAcalypha#Akabane, Thomas KCounting, palynologyEuphorbiaceae
56AlchorneaAlchornea#Akabane, Thomas KCounting, palynologyEuphorbiaceae
57ChamaesyceChamaesyce#Akabane, Thomas KCounting, palynologyEuphorbiaceae
58EuphorbiaEup#Akabane, Thomas KCounting, palynologyEuphorbiaceae
59EuphorbiaceaeEupae#Akabane, Thomas KCounting, palynology
60MaprouneaMaproune#Akabane, Thomas KCounting, palynologyEuphorbiaceae
61MicrandraMicrandra#Akabane, Thomas KCounting, palynologyEuphorbiaceae
62MicrostachysMicrostachys#Akabane, Thomas KCounting, palynologyEuphorbiaceae
63SapiumSapium#Akabane, Thomas KCounting, palynologyEuphorbiaceae
64SebastianiaSebastiania#Akabane, Thomas KCounting, palynologyEuphorbiaceae
65SenefelderaSenefeldera#Akabane, Thomas KCounting, palynologyEuphorbiaceae
66TragiaTragia#Akabane, Thomas KCounting, palynologyEuphorbiaceae
67BauhiniaBauhinia#Akabane, Thomas KCounting, palynologyFabaceae ©
68CassiaCia#Akabane, Thomas KCounting, palynologyCassia/Senna (Fabaceae (C))
69ChamaecristaChamaecrista#Akabane, Thomas KCounting, palynologyFabaceae ©
70DimorphandraDimorphandra#Akabane, Thomas KCounting, palynologyFabaceae ©
71TachigaliTachigali#Akabane, Thomas KCounting, palynologyFabaceae ©
72MimosaMimosa#Akabane, Thomas KCounting, palynologyFabaceae (M)
73PiptadeniaPiptadenia#Akabane, Thomas KCounting, palynologyFabaceae (M)
74SenegaliaSenegalia#Akabane, Thomas KCounting, palynologyFabaceae (M)
75BowdichiaBowdichia#Akabane, Thomas KCounting, palynologyFabaceae (P)
76CanavaliaCanavali#Akabane, Thomas KCounting, palynologyFabaceae (P)
77CentrosemaCentrosema#Akabane, Thomas KCounting, palynologyFabaceae (P)
78CopaiferaCopaifera#Akabane, Thomas KCounting, palynologyFabaceae (P)
79Dalbergia sp.Dalbergia sp.#Akabane, Thomas KCounting, palynologyDalbergia/Machaerium (Fabaceae (P))
80DesmodiumDesmodium#Akabane, Thomas KCounting, palynologyFabaceae (P)
81DialiumDialium#Akabane, Thomas KCounting, palynologyFabaceae (P)
82ErythrinaErythrina#Akabane, Thomas KCounting, palynologyFabaceae (P)
83Fabaceae undifferentiatedFab.ud#Akabane, Thomas KCounting, palynologyFabaceae (P)
84Lecointea-typeLecointea-T#Akabane, Thomas KCounting, palynologyFabaceae (P)
85PlatymisciumPlatymiscium#Akabane, Thomas KCounting, palynologyFabaceae (P)
86ProsopisPro#Akabane, Thomas KCounting, palynologyFabaceae (P)
87StylosanthesStylosanthes#Akabane, Thomas KCounting, palynologyFabaceae (P)
88HumiriaceaeHumiriaceae#Akabane, Thomas KCounting, palynology
89Lacistema-typeLacistema-T#Akabane, Thomas KCounting, palynologyLacistemataceae
90LamiaceaeLamae#Akabane, Thomas KCounting, palynology
91EschweileraEschweilera#Akabane, Thomas KCounting, palynologyLecythidaceae
92LentibulariaceaeLenteae#Akabane, Thomas KCounting, palynology
93LoranthaceaeLorae#Akabane, Thomas KCounting, palynology
94PassoviaPassovia#Akabane, Thomas KCounting, palynologyPassovia/Struthanthus (Loranthaceae)
95CreneaCrenea#Akabane, Thomas KCounting, palynologyLythraceae
96CupheaCuphea#Akabane, Thomas KCounting, palynologyLythraceae
97ByrsonimaByrsonima#Akabane, Thomas KCounting, palynologyMalpighiaceae
98MalpighiaceaeMalpceae#Akabane, Thomas KCounting, palynology
99EriothecaEriotheca#Akabane, Thomas KCounting, palynologyMalvaceae
100HelicteresHelicteres#Akabane, Thomas KCounting, palynologyMalvaceae
101HeliocarpusHeliocarpus#Akabane, Thomas KCounting, palynologyMalvaceae
102MalvaceaeMalvae#Akabane, Thomas KCounting, palynology
103PseudobombaxPseudobombax#Akabane, Thomas KCounting, palynologyMalvaceae
104SidaSida#Akabane, Thomas KCounting, palynologyMalvaceae
105TheobromaTheobroma#Akabane, Thomas KCounting, palynologyMalvaceae
106NoranteaNorantea#Akabane, Thomas KCounting, palynologyMarcgraviaceae
107MelastomataceaeMelast#Akabane, Thomas KCounting, palynology
108CabraleaCabralea#Akabane, Thomas KCounting, palynologyMeliaceae
109CedrelaCedrela#Akabane, Thomas KCounting, palynologyMeliaceae
110TrichiliaTrichili#Akabane, Thomas KCounting, palynologyMeliaceae
111AbutaAbuta#Akabane, Thomas KCounting, palynologyMenispermaceae
112CissampelosCissampelos#Akabane, Thomas KCounting, palynologyMenispermaceae
113MoraceaeMorae#Akabane, Thomas KCounting, palynology
114MyricaMyr#Akabane, Thomas KCounting, palynologyMyricaceae
115VirolaVirola#Akabane, Thomas KCounting, palynologyMyristicaceae
116MyrtaceaeMytae#Akabane, Thomas KCounting, palynology
117LudwigiaLud#Akabane, Thomas KCounting, palynologyOnagraceae
118TurneraTurnera#Akabane, Thomas KCounting, palynologyPassifloraceae
119AmanoaAmanoa#Akabane, Thomas KCounting, palynologyPhyllanthaceae
120HieronymaHieronyma#Akabane, Thomas KCounting, palynologyPhyllanthaceae
121GallesiaGallesia#Akabane, Thomas KCounting, palynologyPhytollacaceae
122PhyllanthusPhyllanthus#Akabane, Thomas KCounting, palynologyPhytollacaceae
123PiperPiper#Akabane, Thomas KCounting, palynologyPiperaceae
124NuttallanthusNuttallanthus#Akabane, Thomas KCounting, palynologyPlantaginaceae
125StemodiaStemodia#Akabane, Thomas KCounting, palynologyPlantaginaceae
126PoaceaePoac#Akabane, Thomas KCounting, palynology
127PodocarpusPod#Akabane, Thomas KCounting, palynologyPodocarpaceae
128TristichaTristicha#Akabane, Thomas KCounting, palynologyPodostemaceae
129PolygalaPga#Akabane, Thomas KCounting, palynologyPolygalaceae
130PolygalaceaePgaae#Akabane, Thomas KCounting, palynology
131SymmeriaSymmeria#Akabane, Thomas KCounting, palynologyPolygonaceae
132PontederiaPontederia#Akabane, Thomas KCounting, palynologyPontederiaceae
133CybianthusCybianthus#Akabane, Thomas KCounting, palynologyPrimulariaceae
134MyrsineMyrsine#Akabane, Thomas KCounting, palynologyPrimulariaceae
135EuplassaEuplassa#Akabane, Thomas KCounting, palynologyProteaceae
136PanopsisPanopsis#Akabane, Thomas KCounting, palynologyProteaceae
137RoupalaRoupala#Akabane, Thomas KCounting, palynologyProteaceae
138ClematisCle#Akabane, Thomas KCounting, palynologyRanunculaceae
139RhamnaceaeRhaae#Akabane, Thomas KCounting, palynology
140RhamnidiumRhamnidium#Akabane, Thomas KCounting, palynologyR. minor (Rhamnaceae)
141ZiziphusZiziphus#Akabane, Thomas KCounting, palynologyRhamnaceae
142RhizophoraRhiz#Akabane, Thomas KCounting, palynologyRhizophoraceae
143Arachnothryx-typeArachnothryx-T#Akabane, Thomas KCounting, palynologyRubiaceae
144BorreriaBorreria#Akabane, Thomas KCounting, palynologyRubiaceae
145ChiococcaChiococca#Akabane, Thomas KCounting, palynologyRubiaceae
146ChomeliaChomelia#Akabane, Thomas KCounting, palynologyRubiaceae
147CoccocypselumCoccocypselum#Akabane, Thomas KCounting, palynologyRubiaceae
148DuroiaDuroia#Akabane, Thomas KCounting, palynologyRubiaceae
149EmmeorhizaEmmeorhiza#Akabane, Thomas KCounting, palynologyRubiaceae
150FarameaFaramea#Akabane, Thomas KCounting, palynologyRubiaceae
151GuettardaGuettarda#Akabane, Thomas KCounting, palynologyRubiaceae
152HilliaHillia#Akabane, Thomas KCounting, palynologyRubiaceae
153Hoffmannia-typeHoffmannia-T#Akabane, Thomas KCounting, palynologyRubiaceae
154IxoraIxora#Akabane, Thomas KCounting, palynologyRubiaceae
155MitracarpusMitracar#Akabane, Thomas KCounting, palynologyRubiaceae
156PeramaPerama#Akabane, Thomas KCounting, palynologyRubiaceae
157PsychotriaPsychotr#Akabane, Thomas KCounting, palynologyRubiaceae
158RichardiaRichardia#Akabane, Thomas KCounting, palynologyRubiaceae
159Rondeletia-typeRondeletia-T#Akabane, Thomas KCounting, palynologyRubiaceae
160Rubiaceae undifferentiatedRubea.ud#Akabane, Thomas KCounting, palynology
161SabiceaSabicea#Akabane, Thomas KCounting, palynologyRubiaceae
162SimiraSimira#Akabane, Thomas KCounting, palynologyRubiaceae
163ZanthoxylumZanthoxy#Akabane, Thomas KCounting, palynologyRutaceae
164AzaraAzara#Akabane, Thomas KCounting, palynologySalicaceae
165BanaraBanara#Akabane, Thomas KCounting, palynologySalicaceae
166FlacourtiaFlacourt#Akabane, Thomas KCounting, palynologyFlacourtia/Prockia type (Salicaceae)
167XylosmaXylosma#Akabane, Thomas KCounting, palynologySalicaceae
168CupaniaCupania#Akabane, Thomas KCounting, palynologySapindaceae
169ChrysophyllumChrysophyllum#Akabane, Thomas KCounting, palynologySapotaceae
170PouteriaPouteria#Akabane, Thomas KCounting, palynologySapotaceae
171SimaroubaSimarouba#Akabane, Thomas KCounting, palynologySimaroubaceae
172SolanumSol#Akabane, Thomas KCounting, palynologySolanaceae
173Turpinia-typeTurpinia-T#Akabane, Thomas KCounting, palynologyStaphyleaceae
174SymplocosSymplocos#Akabane, Thomas KCounting, palynologySymplocaceae
175DaphnopsisDaphnopsis#Akabane, Thomas KCounting, palynologyThymelaeaceae
176LaporteaLaportea#Akabane, Thomas KCounting, palynologyUrticaceae
177AloysiaAloysia#Akabane, Thomas KCounting, palynologyVerbenaceae
178LantanaLantana#Akabane, Thomas KCounting, palynologyVerbenaceae
179LippiaLippia#Akabane, Thomas KCounting, palynologyVerbenaceae
180PetreaPetrea#Akabane, Thomas KCounting, palynologyVerbenaceae
181RinoreaRinorea#Akabane, Thomas KCounting, palynologyViolaceae
182QualeaQualea#Akabane, Thomas KCounting, palynologyVochysiaceae
183VochysiaVochysia#Akabane, Thomas KCounting, palynologyVochysiaceae
184DrimysDrimys#Akabane, Thomas KCounting, palynologyWinteraceae
185Pollen, undifferentiatedPollen.ud#Akabane, Thomas KCounting, palynology
186AnemiaAnemia#Akabane, Thomas KCounting, palynologyAnemiaceae
187AnthocerosAos#Akabane, Thomas KCounting, palynologyAnthocerotaceae
188BryophytaBryophyta#Akabane, Thomas KCounting, palynology
189CyatheaCyathea#Akabane, Thomas KCounting, palynologyCyatheaceae
190Cyathea horridaC. horrida#Akabane, Thomas KCounting, palynologyCyatheaceae
191Lusatisporis dettmannaeL. dettmannae#Akabane, Thomas KCounting, palynologyLycopodiaella (Lycopodiaceae)
192Lycopodium australianumL. australianum#Akabane, Thomas KCounting, palynologyLycopodium cernum (Lycopodiaceae)
193IsoetesIso#Akabane, Thomas KCounting, palynologyIsoetaceae
194PterisPes#Akabane, Thomas KCounting, palynologyPteridaceae
195AcrostichumAcrostichum#Akabane, Thomas KCounting, palynologyPteridaceae
196SelaginellaSel#Akabane, Thomas KCounting, palynologySelaginelaceae
197Spores, trilete echinatetrilechi#Akabane, Thomas KCounting, palynology
198Spores, trilete reticulatetrilreti#Akabane, Thomas KCounting, palynology
199Spores, trilete scabratetrilscab#Akabane, Thomas KCounting, palynology
200Spores, trilete verrucatetrilverr#Akabane, Thomas KCounting, palynology
201AzollaAzo#Akabane, Thomas KCounting, palynologySalviniaceae
202CystopterisCys#Akabane, Thomas KCounting, palynologyCystopteridaceae
203Spores, monolete echinateSpores mono echi#Akabane, Thomas KCounting, palynology
204Spores, monolete psilateSpores mono psil#Akabane, Thomas KCounting, palynology
205Spores, monolete ruguladoSpores mono rug#Akabane, Thomas KCounting, palynology
206Spores, monolete scabrateSpores mono scab#Akabane, Thomas KCounting, palynology
207Spores, monolete verrucateSpores mono verr#Akabane, Thomas KCounting, palynology
208Spores, trilete psilatetrilpsil#Akabane, Thomas KCounting, palynology
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
4119 data points

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