Contrasting vertical distributions of recent planktic foraminifera off Indonesia during the southeast monsoon: implications for paleoceanographic reconstructions ...

• Main Author: Tapia, Raúl
• Format: Dataset
• Language: English
• Published: PANGAEA 2022
• Subjects: habitat depth; Indonesia; planktic foraminifera; southeast monsoon; Upwelling; vertical distribution; Event label; Latitude of event; Longitude of event; ELEVATION; DATE/TIME; DEPTH, water; Depth, top/min; Depth, bottom/max; Water volume, filtered; Trilobatus trilobus; Trilobatus sacculifer; Globigerinoides ruber white; Globigerinoides elongatus; Neogloboquadrina dutertrei; Globorotalia menardii; Pulleniatina obliquiloculata; Globigerina bulloides; Globigerinita glutinata; Globigerinella calida; Globigerinella siphonifera; Sphaeroidinella dehiscens; Orbulina universa; Globorotalia inflata; Neogloboquadrina incompta; Neogloboquadrina pachyderma; Globorotaloides hexagonus; Globorotalia hirsuta; Globigerina falconensis; Globorotalia tumida; Globigerina digitata; Globorotalia scitula; Globigerinoides tenellus; Globigerina rubescens; Globigerinoides conglobatus; Globigerinita uvula; Globorotalia truncatulinoides; Turborotalita humilis; Globigerinella adamsi; Foraminifera, planktic, total; Globigerinella digitata; Globoturborotalita tenella; Globoturborotalita rubescens; Multiple opening/closing net; Counting, foraminifera, planktic
• Online Access: https://dx.doi.org/10.1594/pangaea.941895; https://doi.pangaea.de/10.1594/PANGAEA.941895

Planktic foraminifera are widely used in palaeoceanographic and paleoclimatic studies. The accuracy of such reconstructions depends on our understanding of the organisms' ecology. Here we report on field observations of planktic foraminiferal abundances (>150 µm) from 5 depth intervals between 0-500 m water depth at 37 sites in the eastern tropical Indian Ocean. The total planktic foraminiferal assemblage comprises 28 morphospecies; with 11 morphospecies accounting for ~90% of the total assemblage. Both species composition and dominance in the net samples are broadly consistent with the published data from the corresponding surface sediments. The abundance and vertical distribution of planktic foraminifera are low offshore west Sumatra, and increase towards offshore south Java and the Lesser Sunda Islands (LSI). Average living depth of Trilobatus trilobus, Globigerinoides ruber, and Globigerina bulloides increases eastward, while that of Neogloboquadrina dutertrei, Pulleniatina obliquiloculata, and ...