Article
Geosciences, Multidisciplinary
Natasha Costa, Regina R. Rodrigues
Summary: Based on scenarios from CMIP6, significant positive trends in frequency, duration, and intensity of Marine Heatwaves (MHWs) are identified in the western South Atlantic, potentially leading to a near-permanent state of MHW in the region. The main mechanism causing MHWs, atmospheric blocking, is likely to intensify in the future, emphasizing the urgency for global reduction in greenhouse gas emissions.
GEOPHYSICAL RESEARCH LETTERS
(2021)
Article
Ecology
Charlotte Lambert, Jerome Fort
Summary: The study finds that bird migration is mainly driven by seasonal environmental conditions, and different migratory strategies of seabirds have different adaptability to seasonal environments. In contrast to previous studies, this research discovers that seabird migration is not triggered by unfavorable environment at breeding or non-breeding grounds, suggesting that it may be constrained by the scarcity of suitable breeding sites.
JOURNAL OF ANIMAL ECOLOGY
(2022)
Article
Fisheries
Jessica Borba Quintela Dos Santos, Cristiano Mazur Chiessi, Stefano Crivellari, Jonas Eloi de Vasconcelos Filho, Natan Silva Pereira, Matheus Oliveira Freitas, Beatrice Padovani Ferreira
Summary: Accurate stock assessments are crucial for fisheries management. In the Southwest Atlantic, the Lane snapper fishery has been growing in importance, but evidence of overexploitation has been accumulating. This study used otolith shape and isotopic composition to identify Lane snapper stocks and found distinct stocks in the region. The results also suggest that the Marine Ecoregions system is a suitable method for estimating stock boundaries in data-limited fisheries.
FISHERIES RESEARCH
(2022)
Article
Biodiversity Conservation
Adrian Galitz, Merrick Ekins, Eric Folcher, Gabriele Buettner, Kathryn Hall, John N. A. Hooper, Maggie M. M. Reddy, Simone Schaetzle, Olivier P. P. Thomas, Gert Woerheide, Sylvain Petek, Cecile Debitus, Dirk Erpenbeck
Summary: The distribution of marine sponges in the tropical Southwest Pacific Ocean is poorly understood. This study conducted collection campaigns in French Polynesia to assess the biodiversity and composition of sponge species in the area. The results showed high levels of faunal similarity within marine provinces and provincial endemism for marine sponges. Geographical distance and ocean surface currents were identified as primary factors for connectivity between disjunct island groups.
BIODIVERSITY AND CONSERVATION
(2023)
Article
Environmental Sciences
Ana Lucia Lindroth Dauner, Gesine Mollenhauer, Jens Hefter, Marcia Caruso Bicego, Michel Michaelovitch de Mahiques, Cesar de Castro Martins
Summary: Despite the increased number of paleoceanographic studies in the SW Atlantic in recent years, the mechanisms controlling marine productivity and terrestrial material delivery to the South Brazil Bight remain unresolved. This study investigated terrestrial and marine organic matter sources in the South Brazil Bight and identified the main controls on marine productivity and terrestrial organic matter export. The results suggest that marine productivity in the region is influenced by South Atlantic Central Water upwelling and fluvial nutrient inputs, while terrestrial organic matter accumulation is controlled by continental moisture evolution.
FRONTIERS IN MARINE SCIENCE
(2022)
Article
Environmental Sciences
Amalia Maria Sacilotto Detoni, Ajit Subramaniam, Sheean T. Haley, Sonya T. Dyhrman, Paulo H. R. Calil
Summary: Inputs of new nitrogen by cyanobacterial diazotrophs play a critical role in ocean ecosystem. This study measured the abundance of six diazotroph phylotypes in the western South Atlantic and found that Crocosphaera and Trichodesmium were the most abundant ones, while the host-associated diazotrophs had lower signals.
FRONTIERS IN MARINE SCIENCE
(2022)
Article
Biodiversity Conservation
A. B. Anderson, H. T. Pinheiro, M. B. Batista, R. B. Francini-Filho, L. E. O. Gomes, A. F. Bernardino, P. Horta, J. C. Joyeux
Summary: Rhodolith beds along the Brazilian coast have a highly diverse associated fish biota, similar to macroalgae beds and coral/rocky reefs. The eastern coast serves as a biogeographic ecotone between tropical and subtropical regions, making it the most diverse portion of the Brazilian Province. However, this region is threatened by intensive extraction of rhodoliths. Conservation strategies and long-term monitoring programs are urgently needed.
BIODIVERSITY AND CONSERVATION
(2023)
Article
Marine & Freshwater Biology
Marina Nasri Sissini, Gabrielle Koerich, Maria Beatriz De Barros-Barreto, Luana M. Coutinho, Fernanda P. Gomes, William Oliveira, Iara O. Costa, Jose Marcos de Castro Nunes, Maria Carolina Henriques, Talita Vieira-Pinto, Beatriz N. Torrano-Silva, Mariana Cabral Oliveira, Line Le Gall, Paulo Antunes Horta
Summary: This study quantified the species richness of coralline red algae in the Southwestern Atlantic, identifying 79 phylogenetic species and determining temperature, nutrients, and water current velocity as the main environmental drivers influencing their distribution. The Eastern Brazil ecoregion stood out for its high richness, exclusive species, beta diversity, and role as a transitional zone in the Southwestern Atlantic.
Article
Environmental Sciences
Xingqian Cui, Brent Wignall, Katherine H. Freeman, Roger E. Summons
Summary: The sedimentary deposits in the South Atlantic rift basins during the Early Cretaceous, resulting from the breakup of Gondwana, reveal transitions from lacustrine to marine environments. Through biomarker analysis, it is found that the initial seawater incursion occurred during the early Aptian stage, entering through the southern entrance across the Rio Grande Rise-Walvis Ridge. This study contributes to understanding the final opening of the South Atlantic Ocean, global comparison of paleoenvironments, and future petroleum exploration in the South Atlantic conjugate margins.
COMMUNICATIONS EARTH & ENVIRONMENT
(2023)
Article
Ecology
Aurore Receveur, Valerie Allain, Frederic Menard, Anne Lebourges Dhaussy, Sophie Laran, Andreas Ravache, Karen Bourgeois, Eric Vidal, Steven R. Hare, Henri Weimerskirch, Philippe Borsa, Christophe Menkes
Summary: Understanding the ecological mechanisms influencing distribution patterns of marine predators is crucial for population management. This study in the Coral Sea Natural Park analyzed the spatial distributions of marine predators, such as fish, cetaceans, and seabirds, in relation to environmental variables and prey abundance proxies. The research found that factors such as bathymetry, chlorophyll-a concentration, and temperature played significant roles in influencing predator distributions.
Article
Multidisciplinary Sciences
Boris Sauterey, Ben A. Ward
Summary: The stoichiometric coupling between carbon and limiting nutrients in marine phytoplankton is controlled by nitrogen availability and temperature, with different biological mechanisms involved depending on the region and spatiotemporal scale. Nitrogen availability below 40 degrees N predominantly drives phytoplankton C:N stoichiometry, while temperature and grazing pressure dominate at higher latitudes.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2022)
Article
Biochemistry & Molecular Biology
Julia Leme Pablos, Ana Kristina Silva, Noemy Seraphim, Luiza de Moraes Magaldi, Anete Pereira de Souza, Andre Victor Lucci Freitas, Karina Lucas Silva-Brandao
Summary: The study on Atlantic Forest White Morpho butterflies shows that there is no clear species diversification and population structure among the populations, suggesting that the current distinction between the two species is unreasonable. Northern samples exhibit more intragroup structure, and clustering tests indicate the existence of three genetic clusters, with turnover between the states of Paran ' a and Sa similar to o Paulo.
MOLECULAR PHYLOGENETICS AND EVOLUTION
(2021)
Article
Environmental Sciences
Ana M. Correia, Diana Sousa-Guedes, Agatha Gil, Raul Valente, Massimiliano Rosso, Isabel Sousa-Pinto, Neftali Sillero, Graham J. Pierce, Neftali Sillero, Graham J. Pierce
Summary: Understanding the distribution and habitat requirements of species, such as cetaceans, is crucial for conservation and management planning. The use of modeling techniques can help predict suitable habitats and guide the development of appropriate management plans based on occurrence data collected from various sources.
FRONTIERS IN MARINE SCIENCE
(2021)
Article
Environmental Sciences
Jose Angel Alvarez Perez, Rodrigo Sant'Ana
Summary: Temperatures in the southwest South Atlantic Ocean have been increasing in recent decades, primarily due to changes in Brazil's Current dynamics. This has had significant impacts on marine ecosystems, but the effects on demersal fauna are not well understood. A study in Santa Catarina, Brazil, analyzed commercial demersal catches between 2000 and 2019 and found evidence of megafauna tropicalization in the region. The mean temperature of catches has been rising since 2013, correlating with changes in bottom water temperatures and transport volumes of the Brazil Current.
COMMUNICATIONS EARTH & ENVIRONMENT
(2022)
Article
Geosciences, Multidisciplinary
Pedro Kress, Octavian Catuneanu, Ricardo Gerster, Nestor Bolatti
Summary: The study of the evolutionary process of the Argentine margin from the Early Cretaceous to the Late Cretaceous has identified four major turning points, involving crustal breakup, changes in the coastline, variations in water depth, and reorganization of sediment dispersal systems.
MARINE AND PETROLEUM GEOLOGY
(2021)
Article
Ecology
Jan Hubert, Marta Nesvorna, Stefan J. Green, Pavel B. Klimov
Summary: The study reveals that mite-associated microbiomes have a complex structure in mite bodies and eggs, impacting mite fitness and population growth. Intracellular bacterial symbionts may influence the composition of the mite microbiome, causing significant differences between microbial profiles in different conspecific mite populations.
Article
Entomology
Samuel Geremias Dos Santos Costa, Cal Welbourn, Pavel Klimov, Almir Rogerio Pepato
Summary: The classification of Smarididae is mainly based on the post larval instar, with limited information available on larvae due to difficulties in collection. This study inferred the phylogenetic relationships of Smarididae using morphological characters from both larval and post larval instars, revealing important taxonomic insights.
SYSTEMATIC AND APPLIED ACAROLOGY
(2021)
Article
Microbiology
Marta Nesvorna, Stano Pekar, Elena Shcherbachenko, Vit Molva, Tomas Erban, Stefan J. Green, Pavel B. Klimov, Jan Hubert
Summary: The study revealed significant changes over time in microbial community structure during mite culture growth, with yeast, Lactobacillus, and bacteria in the genera Aspergillus, Candida, and Kocuria showing abundance correlated with mite density and guanine content. Gram-positive bacteria dominated the bacterial microbiomes in all experimental time points, suggesting limited risk of vaccine contamination by bacterial endotoxins.
FEMS MICROBIOLOGY ECOLOGY
(2021)
Article
Zoology
Maria Orlova, Pavel B. Klimov, Nina S. Moskvitina, Oleg L. Orlov, Alexander Zhigalin, Dmitriy G. Smirnov, Hadzhibek S. Dzhamirzoyev, Vladimir P. Vekhnik, Alexander Pavlov, Alla A. Emelyanova, Ekaterina Khristenko
Summary: A checklist of bat flies in the Russian Federation was generated by compiling existing data and new records, identifying 20 species across 4 genera. The discovery of new species and host associations, along with filling gaps in records for nine major regions, were significant outcomes of the study.
Article
Entomology
Maria V. Orlova, Pavel B. Klimov, Oleg L. Orlov, Sergei V. Kruskop, Vladimir S. Lebedev
Summary: New geographic and host records of spinturnicid mites collected from alcohol-preserved bats at the Zoological Museum of Moscow State University in Russia are presented in this study. The research also reports the first record of Spinturnix tylonycterisi in Vietnam and provides an illustrated description of the protonymphal stage of this species.
INTERNATIONAL JOURNAL OF ACAROLOGY
(2021)
Article
Entomology
Ricardo Bassini-Silva, Matheus Huang-Bastos, Barry M. OConnor, Pavel Klimov, Cal Welbourn, Ron Ochoa, Darci Moraes Barros-Battesti, Fernando de Castro Jacinavicius
Summary: The article redescribes Boshkerria punctata, introduces a new species Boshkerria erwini n. sp., and provides a key for the three species in the genus.
INTERNATIONAL JOURNAL OF ACAROLOGY
(2021)
Article
Entomology
Tereza Vackova, Stano Pekar, Pavel B. Klimov, Jan Hubert
Summary: House dust mites prefer to stay close to resting humans in mattresses to maximize allergen exposure, while unfed mites tend to hide deeper in mattresses to avoid increased temperatures. Fed mites showed a preference for a sector with temperatures of 32-36 degrees C, indicating their tendency to stay at an optimal distance from the heat source.
EXPERIMENTAL AND APPLIED ACAROLOGY
(2021)
Article
Entomology
Maria Orlova, Aleksandra Larchanka, Pavel B. Klimov, Oleg L. Orlov, Nikolay Anisimov
Summary: This study surveyed ectoparasite mite species in the Republic of Belarus, collecting one tick species and seven mite species, with four of them being recorded for the first time. Diagnostic illustrations of these mites and ticks were provided.
INTERNATIONAL JOURNAL OF ACAROLOGY
(2021)
Article
Zoology
Ladislav Miko, Vasiliy B. Kolesnikov, Sergey G. Ermilov, Pavel B. Klimov
Summary: Two closely related species of the genus Piribelba were redescribed based on morphology and genetic analysis. The COX1 sequence barcoding indicated that P. piriformis and P. rossica are distinct species, rejecting their synonymy.
Article
Entomology
Tereza Vackova, Stano Pekar, Pavel B. B. Klimov, Jan Hubert
Summary: Dermatophagoides farinae is an important house dust mite species that causes allergies in humans worldwide. We analyzed the mite responses to different temperatures and relative humidity in terms of population growth and respiration using lab mite cultures. The optimal temperature and humidity for population growth did not align with the respiration peaks, indicating a mismatch. Further research is needed to understand the nature of these peaks.
EXPERIMENTAL AND APPLIED ACAROLOGY
(2023)
Article
Zoology
Sergey G. Ermilov, Vasiliy B. Kolesnikov, Jeno Kontschan, Pavel B. Klimov
Summary: This study is based on the collection of galumnid mites from leaf litter in two mixed forests in Cuba. Six species from three genera are identified, including three new species and two newly recorded species.
Article
Entomology
Samuel Geremias dos Santos Costa, Pavel B. Klimov, Almir Rogerio Pepato
Summary: Two new species, Newellia xakriaba sp. nov. and Centrotrombidium krenak sp. nov., are described in this article. The identification is based on vouchering material with sequences from multiple genes. The geographical range of the genus Newellia Andre, 1962 is expanded beyond Angola.
SYSTEMATIC AND APPLIED ACAROLOGY
(2023)
Article
Microbiology
Qing Xiong, Cathy Sin-Hang Fung, Xiaojun Xiao, Angel Tsz-Yau Wan, Mingqiang Wang, Pavel Klimov, Yaning Ren, Kevin Yi Yang, Jan Hubert, Yubao Cui, Xiaoyu Liu, Stephen Kwok-Wing Tsui
Summary: In this study, the genome evolution process of the bacterial endosymbiont Cardinium in mites was investigated. It was found that the endogenous plasmids of Cardinium not only contain genes that are shared with the chromosome, but also provide a structural basis for homologous recombination.
Article
Entomology
Sergey G. Ermilov, Jeno Kontschan, Vasiliy B. Kolesnikov, Denis V. Sharapov, Pavel B. Klimov
Summary: The study is based on material collected from leaf litter in two forest locations in Cuba, and presents a list of 64 species belonging to 47 genera and 31 families. The study reports the discovery of one genus and two species that are recorded for the first time in the Neotropical region, and 17 species, one subgenus, six genera, and two families that are recorded for the first time in Cuba. Two new species of the superfamily Oripodoidea, Lagenobates fossatus Ermilov and Kontschan n. sp. (Haplozetidae) and Muliercula curvilineata Ermilov and Kontschan n. sp. (Scheloribatidae), are described.
Article
Microbiology
Jan Hubert, Marta Nesvorna, Stano Pekar, Stefan J. Green, Pavel B. Klimov
Summary: Interactions among endosymbiotic bacteria in mites, particularly in the mite Tyrophagus putrescentiae, are complex and poorly understood. In mixed mite populations, Cardinium and Wolbachia may co-occur, but the presence of Cardinium negatively affects the growth of Wolbachia. This inhibition leads to lower population growth in mixed mite populations compared to parental populations.
FEMS MICROBIOLOGY ECOLOGY
(2021)