Palynology of Upper Cretaceous-Early Paleocene Deccan Volcanic Associated Sediments: Implication in Understanding Age, Climate and Depositional Environments

Samant, Bandana; Thakre, Deepali; Mohabey, D. M.

doi:10.1007/978-3-031-51877-5_5

Society of Earth Scientists Series

2024

DOI: 10.1007/978-3-031-51877-5_5

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Palynology of Upper Cretaceous-Early Paleocene Deccan Volcanic Associated Sediments: Implication in Understanding Age, Climate and Depositional Environments

Bandana Samant,

Deepali Thakre,

D. M. Mohabey

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2024

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Pollen Rain in a Semi-Arid Area of Northeastern Brazil: Pollen Diversity, Concentrations over Two Years and Their Relationship with Ecological Aspects

Magalhães-e-Silva,

Santos

2024

Aerobiology

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Pollen rain studies are rare in arid and semi-arid regions worldwide. Interpretations related to the dynamics of plant communities and possible paleoclimatic changes in these areas face significant limitations due to this lack of data. The global biome of Seasonally Dry Tropical Forests and Shrublands (SDTFS) is represented in Northeast Brazil by the caatinga, which is composed of xerophytic vegetation. This study aimed to generate information about the pollen rain in this area and to understand its relationship with species flowering, pollination syndromes, life forms, and climatic aspects. A caatinga area in Canudos, Bahia, Brazil (09°54′ S 39°07′ W), was selected for this purpose. Artificial pollen collectors were installed and exchanged monthly over two years for palynological analyses of the collected material, using standard palynological techniques. A total of 124 pollen types were identified, with approximately 8823 pollen grains deposited per cm2 over the two years. Several vegetation components were represented in the pollen rain, reflecting local plant diversity, life forms, and physiognomies. A positive relationship was observed between increased temperature and pollen production from trees and shrubs, and new pollen types were associated with indicator species of caatinga vegetation.

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Pollen Rain in a Semi-Arid Area of Northeastern Brazil: Pollen Diversity, Concentrations over Two Years and Their Relationship with Ecological Aspects

Magalhães-e-Silva,

Santos

2024

Aerobiology

View full text Add to dashboard Cite

show abstract

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Palynology of Upper Cretaceous-Early Paleocene Deccan Volcanic Associated Sediments: Implication in Understanding Age, Climate and Depositional Environments

Cited by 1 publication

References 44 publications

Pollen Rain in a Semi-Arid Area of Northeastern Brazil: Pollen Diversity, Concentrations over Two Years and Their Relationship with Ecological Aspects

Pollen Rain in a Semi-Arid Area of Northeastern Brazil: Pollen Diversity, Concentrations over Two Years and Their Relationship with Ecological Aspects

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