Luiz Carlos Ruiz Pessenda
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View article: Ecological responses of the Atlantic Forest biodiversity hotspot to Holocene climate change: Insights from the Lagoa Canto Grande pollen record, Espirito Santo, coastal Brazil
Ecological responses of the Atlantic Forest biodiversity hotspot to Holocene climate change: Insights from the Lagoa Canto Grande pollen record, Espirito Santo, coastal Brazil Open
This study presents the modern pollen signature and Holocene vegetation and climate history of the evergreen forest and associated ecosystems in the Bahia Coastal Forest ecoregion of Brazil's Atlantic Forest biodiversity hotspot. Artificia…
View article: VEGETABLE COVERAGE, ANTHROPOGENIC ACTION, AND PALEOCLIMATES IN THE CAATINGA
VEGETABLE COVERAGE, ANTHROPOGENIC ACTION, AND PALEOCLIMATES IN THE CAATINGA Open
The Caatinga is dominated by a semiarid climate and a high plant biodiversity dealing with anthropogenic disturbance and climate change. Previous studies suggest that Caatinga became a completely soil‐water pulse-dominated forest in respon…
View article: Assessment the Impacts of Sea-Level Changes on Mangroves of Ceará-Mirim Estuary, Northeastern Brazil, during the Holocene and Anthropocene
Assessment the Impacts of Sea-Level Changes on Mangroves of Ceará-Mirim Estuary, Northeastern Brazil, during the Holocene and Anthropocene Open
Predictions of the effects of modern Relative Sea-Level (RSL) rise on mangroves should be based on decadal-millennial mangrove dynamics and the particularities of each depositional environment under past RSL changes. This work identified i…
View article: A morphological guide of neotropical freshwater sponge spicules for paleolimnological studies
A morphological guide of neotropical freshwater sponge spicules for paleolimnological studies Open
Freshwater sponges (Porifera: Spongillida) are sessile invertebrates with skeletons composed of siliceous elements termed spicules. Sponge spicules (megascleres, microscleres, and gemmuloscleres) are characterized by widely varying sizes a…
View article: Do hurricanes or freezing events regulate the sustainability of subtropical mangroves on the Gulf of Mexico coast?
Do hurricanes or freezing events regulate the sustainability of subtropical mangroves on the Gulf of Mexico coast? Open
Global warming has caused poleward mangrove expansion, but extreme climatic events have significantly impacted the mangroves along their boreal limits. This study aimed to determine which natural hazard is more important in limiting the su…
View article: Death and Regeneration of an Amazonian Mangrove Forest by Anthropic and Natural Forces
Death and Regeneration of an Amazonian Mangrove Forest by Anthropic and Natural Forces Open
The Amazon Macrotidal Mangrove Coast contains the most extensive and continuous mangrove belt globally, occupying an area of ~6500 km2 and accounting for 4.2% of global mangroves. The tallest and densest mangrove forests in the Amazon occu…
View article: Late Quaternary landscape evolution of northeastern Amazonia from pollen and diatom records
Late Quaternary landscape evolution of northeastern Amazonia from pollen and diatom records Open
The main goal of this study was to reconstruct the Late Pleistocene-Holocene floristic composition in an area of the northern Brazilian Amazonia, comparing the results with other Amazonian localities in order to discuss the factors that ha…
View article: Effects of Beach Nourishment Project on Coastal Geomorphology and Mangrove Dynamics in Southern Louisiana, USA
Effects of Beach Nourishment Project on Coastal Geomorphology and Mangrove Dynamics in Southern Louisiana, USA Open
Relative sea-level (RSL) rise associated with decreased fluvial sediment discharge and increased hurricane activity have contributed to the high rate of shoreline retreat and threatened coastal ecosystems in Port Fourchon, Louisiana, USA. …
View article: δ¹³C and ⁸⁷Sr/⁸⁶Sr stalagmite records from Northeastern Brazil
δ¹³C and ⁸⁷Sr/⁸⁶Sr stalagmite records from Northeastern Brazil Open
Changes in insolation driven by precession and obliquity are considered the major driver of tropical precipitation on orbital time scales, and responsible for vegetation and physical landscape changes during the Late Holocene over tropical…
View article: Seawater resistance in sweet potato (Ipomoea batatas) seeds: a key factor for natural dispersal from the Americas to Oceania
Seawater resistance in sweet potato (Ipomoea batatas) seeds: a key factor for natural dispersal from the Americas to Oceania Open
Sweet potato dispersal from Americas to French Polynesia predates known human colonization periods, therefore being a long-standing dilemma. According to recent phylogenetic studies, the most likely hypothesis to explain this migration is …
View article: δ<sup>13</sup>C values in stalagmites from tropical South America for the last two millennia
δ<sup>13</sup>C values in stalagmites from tropical South America for the last two millennia Open
Due to the many factors controlling δ13C values in stalagmites, complicating their paleoclimatic and paleoenvironmental interpretation, most studies do not present δ13C values, but instead focus mainly on δ18O values. This is also the case…
View article: Impacts of Holocene and modern sea‐level changes on estuarine mangroves from northeastern Brazil
Impacts of Holocene and modern sea‐level changes on estuarine mangroves from northeastern Brazil Open
Projections of the impacts of modern Relative Sea Level (RSL) rise on estuarine mangroves should be supported by coastal topographic data and records of mangrove dynamics under past RSL change. This work identified inland and seaward mangr…
View article: Multiproxy analysis (phytoliths, stable isotopes, and C/N) as indicators of paleoenvironmental changes in a Cerrado Site, Southern Brazil
Multiproxy analysis (phytoliths, stable isotopes, and C/N) as indicators of paleoenvironmental changes in a Cerrado Site, Southern Brazil Open
Cerrado vegetation is associated with the semi-humid climate of the Central Brazil highlands.The presence of this vegetation in small and sparse areas in Paraná, Southern Brazil, can be associated with its past climate conditions.Paleoenvi…
View article: The first settlers on the northern coast of Espírito Santo: a new approach to shell mound (sambaqui) archaeology
The first settlers on the northern coast of Espírito Santo: a new approach to shell mound (sambaqui) archaeology Open
The shell mounds (sambaquis) on the coast of Espírito Santo have received little attention in archaeological research. Despite being known to scholars since the end of the nineteenth century, shell mounds were recurrently considered margin…
View article: Reply to Piperno et al.: It is too soon to argue for localized, short-term human impacts in interfluvial Amazonia
Reply to Piperno et al.: It is too soon to argue for localized, short-term human impacts in interfluvial Amazonia Open
We welcome the debate opened by Piperno et al. (1) in response to our recent article (2), and thank the editors of PNAS for the opportunity to reply.
Although acknowledging that we detected localized human impacts in our study area, Piper…
View article: Impact of pre-Columbian “geoglyph” builders on Amazonian forests
Impact of pre-Columbian “geoglyph” builders on Amazonian forests Open
Significance Amazonian rainforests once thought to be pristine wildernesses are increasingly known to have been inhabited by large populations before European contact. How and to what extent these societies impacted their landscape through…