Article
Environmental Sciences
Charles-Andre Timmerman, Carolina Giraldo, Pierre Cresson, Bruno Ernande, Morgane Travers-Trolet, Manuel Rouquette, Margaux Denamiel, Sebastien Lefebvre
Summary: This study found that the coupling between benthic and pelagic habitats in the Eastern English Channel is a permanent feature, potentially favored by shallow depth and driven by two trophic processes. Resource partitioning and the presence of generalist species allow fish to fully utilize available resources, maintaining the coupling between benthic and pelagic habitats.
MARINE ENVIRONMENTAL RESEARCH
(2021)
Article
Geosciences, Multidisciplinary
Frank Badu Osei, Alfred Stein
Summary: In this study, the posterior estimates of the random effects are proposed and evaluated to examine spatial and temporal trends of two tropical diseases. The model that consolidates all random effects as a multivariate conditional autoregressive prior was found to be the best fit. The method presented is useful for developing and implementing joint epidemiological control strategies, especially in countries where resources are scarce.
SPATIAL STATISTICS
(2023)
Article
Marine & Freshwater Biology
Nadine A. Strydom, Yanasivan Kisten, Phanor H. Montoya-Maya
Summary: A conceptual model was proposed to explain the interactions between zooplankton and larval fishes in cool-temperate South African estuaries. The density of larval fishes and zooplankton showed a positive correlation and fluctuated across seasons, peaking simultaneously in summer. The density of zooplankton was also influenced by salinity, water temperature, and turbidity.
ESTUARINE COASTAL AND SHELF SCIENCE
(2023)
Article
Statistics & Probability
Staci A. Hepler, Lance A. Waller, David M. Kline
Summary: Ohio is heavily impacted by the opioid epidemic, with fentanyl overdose deaths on the rise. Researchers developed a Bayesian multivariate spatiotemporal model to analyze county overdose death rates for different types of opioids, detecting shifts in trends at the county level for various opioids.
ANNALS OF APPLIED STATISTICS
(2021)
Article
Humanities, Multidisciplinary
Ignacio Diaz-Arellano, Manuel Zarzo, Cristina Aransay, Sara Gonzalez de Aspuru Hidalgo, Jaime Laborda, Angel Perles
Summary: The quality and quantity of thermo-hygrometric data are crucial for assessing microclimate conditions in spaces where artifacts are preserved. However, many small and medium-sized museums lack sufficient historical data, making it difficult to evaluate microclimatic conditions. This paper proposes a method for reconstructing historical thermo-hygrometric data using multivariate statistical methods, allowing museums to restore their datasets for further analysis and application of preventive conservation guidelines.
Article
Fisheries
Adam G. Hansen, Allison McCoy, Gary P. Thiede, David A. Beauchamp
Summary: Important knowledge gaps exist regarding trophic interactions among nonnative species and invertebrates, which may contribute to the extirpation of Lahontan cutthroat trout from Lake Tahoe, USA.
ECOLOGY OF FRESHWATER FISH
(2023)
Article
Economics
Bahar Dadashova, Xiao Li, Shawn Turner, Pete Koeneman
Summary: Traffic congestion has significant adverse implications for the environment and economy, and some traffic management practices lack consideration of social and economic factors. This study uses multivariate time series models to analyze the factors influencing traffic congestion performance and identifies key factors. Predictive models show that these factors have a statistically significant impact on future trends.
SOCIO-ECONOMIC PLANNING SCIENCES
(2021)
Article
Environmental Sciences
Tim Reid, Oliver Yates, Sarah Crofts, Amanda Kuepfer
Summary: The waters of the Patagonian Shelf in the south-west Atlantic are nutrient rich, support large concentrations of wildlife, and are exploited by several fisheries, including the large Asian squid-jigging fishery. The deliberate catch for consumption of seabirds by the crew of squid-jigging vessels has been identified as a potential issue in this region. Although measures have been taken to address this problem within the Falkland Islands jurisdiction, the targeting of seabirds for consumption by crews on vessels operating on the high seas may still be a concern.
AQUATIC CONSERVATION-MARINE AND FRESHWATER ECOSYSTEMS
(2021)
Article
Computer Science, Artificial Intelligence
Ruihan Hu, Zhi-Ri Tang, Xiaoying Song, Jun Luo, Edmond Q. Wu, Sheng Chang
Summary: Echo state network, a type of recurrent neural network for time-series datasets, faces limitations in generalization due to fixed architecture and difficult determination of hyper-parameters. The proposed ensemble Bayesian deep echo network (EBDEN) features a deep and flexible architecture for better feature extraction and hyper-parameter optimization, while enhancing performance through ensemble mechanism.
NEURAL COMPUTING & APPLICATIONS
(2021)
Article
Economics
Kai Yang, Luan Zhao, Qian Hu, Wenshan Wang
Summary: This paper investigates the Bayesian quantile regression for capturing the conditional correlations between bivariate financial responses at different quantile levels in vector autoregressive models. A new Gibbs sampling algorithm is developed by introducing latent variables to draw posterior samples for the parameters and latent variables. Numerical simulations show that the algorithm converges fast and the Bayesian quantile estimators perform well.
COMPUTATIONAL ECONOMICS
(2023)
Article
Economics
Rong Chen, Han Xiao, Dan Yang
Summary: This paper discusses the use of matrix autoregressive models for analyzing observation data in a matrix form over time, proposing a novel approach that maintains matrix structure for dimensional reduction and interpretability enhancements. Probabilistic properties and estimation procedures of the models are investigated and demonstrated through simulated and real examples.
JOURNAL OF ECONOMETRICS
(2021)
Article
Automation & Control Systems
David Quesada, Gabriel Valverde, Pedro Larranaga, Concha Bielza
Summary: The paper focuses on the fouling process in an industrial furnace, modeling the time series with dynamic Gaussian Bayesian networks to forecast the evolution of temperature over a long period of time. The results show that DGBNs can properly handle seasonal data and capture the trend of the time series without distortion.
ENGINEERING APPLICATIONS OF ARTIFICIAL INTELLIGENCE
(2021)
Article
Computer Science, Interdisciplinary Applications
Kai Yang, Xinyang Yu, Qingqing Zhang, Xiaogang Dong
Summary: This study develops a new MCMC algorithm for Bayesian inference in threshold integer-valued time series models. By introducing latent variables series, a complete data likelihood is obtained and the full conditional distributions can be easily obtained. The threshold parameter is accurately estimated by maximizing the complete data likelihood. The performance of the algorithm is evaluated through simulations and a real data example.
COMPUTATIONAL STATISTICS & DATA ANALYSIS
(2022)
Article
Engineering, Mechanical
Javier E. Contreras-Reyes
Summary: This paper presents a method for analyzing nonlinear interactions using mutual information matrix (MIM) analysis, extending from discrete to continuous approach, specifically focusing on multivariate skew-elliptical families of distributions. The proposed methodology is illustrated by numerical results from sinusoidal and vector autoregressive fractionally integrated moving-average models, showing more robust estimators for determining the mutual information index of multivariate time series.
NONLINEAR DYNAMICS
(2021)
Article
Fisheries
C. M. Bensebaini, G. Certain, N. Billet, A. Jadaud, S. Gourguet, T. Hattab, J. M. Fromentin
Summary: Environmentally driven changes in small pelagic fish have led to a fishery crisis in the Gulf of Lions since 2008. This study reveals that these changes also have an impact on demersal fish, although to a lesser extent. Further investigation shows that the body condition of hake has an important effect on its population dynamics.
ICES JOURNAL OF MARINE SCIENCE
(2022)
Article
Marine & Freshwater Biology
Danielle J. Marchant, J. Iwan Jones, Gabriela Zemelka, Ozge Eyice, Pavel Kratina
Summary: Research shows that the impact of microplastics on the toxicity of chemicals is not solely determined by the hydrophobicity of chemicals and the size of microplastic particles, indicating a need for further investigation into more complex factors.
AQUATIC TOXICOLOGY
(2022)
Article
Ecology
Jessica E. Marsh, Rasmus B. Lauridsen, Stephen D. Gregory, Pavel Kratina, Luke J. Scott, Dave Cooling, John Iwan Jones
Summary: Aquatic plants, especially high-density Ranunculus, have significant impacts on the growth and competition of juvenile Atlantic salmon and sympatric brown trout. High Ranunculus cover can support more juvenile salmon survival and reduce interspecific competition.
ECOLOGICAL APPLICATIONS
(2022)
Article
Ecology
Cassio Cardoso Pereira, Samuel Novais, Milton Barbosa, Daniel Negreiros, Thiago Goncalves-Souza, Tomas Roslin, Robert Marquis, Nicholas Marino, Vojtech Novotny, Jerome Orivel, Shen Sui, Gustavo Aires, Reuber Antoniazzi, Wesley Dattilo, Crasso Breviglieri, Annika Busse, Heloise Gibb, Thiago Izzo, Tomas Kadlec, Victoria Kemp, Monica Kersch-Becker, Michal Knapp, Pavel Kratina, Rebecca Luke, Stefan Majnaric, Robin Maritz, Paulo Mateus Martins, Esayas Mendesil, Jaroslav Michalko, Anna Mrazova, Mirela Sertic Peric, Jana Petermann, Servio Ribeiro, Katerina Sam, M. Kurtis Trzcinski, Camila Vieira, Natalie Westwood, Maria Bernaschini, Valentina Carvajal, Ezequiel Gonzalez, Mariana Jausoro, Stanis Kaensin, Fabiola Ospina, Jacob Cristobal Perez, Mauricio Quesada, Pierre Rogy, Diane S. Srivastava, Scarlett Szpryngiel, Ayco J. M. Tack, Tiit Teder, Martin Videla, Mari-Liis Viljur, Julia Koricheva, G. Wilson Fernandes, Gustavo Q. Romero, Tatiana Cornelissen
Summary: The construction of shelters on plants by arthropods can influence colonization, community richness, species composition, and functionality. However, the effects of plant traits on the occurrence of shelters have been overlooked and need further research.
Article
Ecology
Alfred Burian, Daisy Pinn, Ignacio Peralta-Maraver, Michael Sweet, Quentin Mauvisseau, Ozge Eyice, Mark Bulling, Till Roethig, Pavel Kratina
Summary: Experimental manipulation of protozoan predation pressure in activated sludge communities had strong and positive effects on bacterial diversity components, with responses leveling off at higher predation pressure levels. While predator intensity positively impacted taxa richness, predator diversity had mixed effects on bacterial diversity. Reduction in top-down control by predators negatively affected taxa associated with treatment efficiency, particularly nitrogen removal. The study highlights distinct mechanisms linking protozoan predation with bacterial diversity and community composition in activated sludge communities.
Article
Ecology
Dieison A. Moi, Gustavo Q. Romero, Erik Jeppesen, Pavel Kratina, Diego C. Alves, Pablo A. P. Antiqueira, Franco Teixeira de Mello, Bruno R. S. Figueiredo, Claudia C. Bonecker, Aliny P. F. Pires, Louizi S. M. Braghin, Roger P. Mormul
Summary: This study examines the effects of nutrient loading on shallow lakes, and how regime shifts from clear water to turbid or shaded states affect biodiversity and ecosystem functioning. The results show that functional diversity is the best predictor of ecosystem multifunctionality, and that regime shifts towards turbid or shaded states negatively impact taxonomic diversity and functional diversity of fish and zooplankton, leading to decreased multifunctionality.
JOURNAL OF ANIMAL ECOLOGY
(2022)
Article
Ecology
Pavel Kratina, Benjamin Rosenbaum, Bruno Gallo, Elena L. Horas, Eoin J. O'Gorman
Summary: This study examines the interactive effects of temperature and body size on the functional response and population stability of dragonfly nymphs feeding on freshwater amphipods. The results show that temperature influences the attack coefficients and handling time of the predators, leading to shifts in their feeding preferences. Additionally, warming has a negative impact on the stability of predator and prey populations, but this can be mitigated by a larger predator-prey body size ratio.
FRONTIERS IN ECOLOGY AND EVOLUTION
(2022)
Article
Ecology
Diane S. Srivastava, A. Andrew M. MacDonald, Valerio D. Pillar, Pavel Kratina, Vanderlei J. Debastiani, Laura Melissa Guzman, Mark Kurtis Trzcinski, Olivier Dezerald, Ignacio M. Barberis, Paula M. de Omena, Gustavo Q. Romero, Fabiola Ospina-Bautista, Nicholas A. C. Marino, Celine Leroy, Vinicius F. Farjalla, Barbara A. Richardson, Ana Z. Goncalves, Bruno Corbara, Jana S. Petermann, Michael J. Richardson, Michael C. Melnychuk, Merlijn Jocque, Jacqueline T. Ngai, Stanislas Talaga, Gustavo C. O. Piccoli, Guillermo Montero, Kathryn R. Kirby, Brian M. Starzomski, Regis Cereghino
Summary: This study examines the influence of environmental gradients on species composition and trait-based assembly patterns of aquatic macroinvertebrates in tropical bromeliads.
FUNCTIONAL ECOLOGY
(2023)
Article
Ecology
Dieison A. Moi, Fernando M. Lansac-Toha, Gustavo Q. Romero, Thadeu Sobral-Souza, Bradley J. Cardinale, Pavel Kratina, Daniel M. Perkins, Franco Teixeira de Mello, Erik Jeppesen, Jani Heino, Fabio A. Lansac-Toha, Luiz F. M. Velho, Roger P. Mormul
Summary: Many studies have shown that biodiversity plays a crucial role in maintaining the productivity and functionality of ecosystems. In this study, the researchers investigated the association between species richness, functional diversity, and ecosystem multifunctionality in 72 lakes across four wetlands in Brazil. They found that higher species richness and functional diversity were positively correlated with ecosystem multifunctionality. However, human activities negatively impacted the diversity of aquatic organisms, leading to a decrease in wetland multifunctionality.
NATURE ECOLOGY & EVOLUTION
(2022)
Article
Ecology
Jessica E. Marsh, John Iwan Jones, Rasmus B. Lauridsen, James B. Grace, Pavel Kratina
Summary: This study used structural equation modeling to analyze the effects of Ranunculus macrophytes on the abundance and growth of 0+ salmon, and investigated the underlying mechanisms. The results showed that Ranunculus cover had a direct positive influence on salmon abundance, but no direct influence on growth. Instead, it indirectly promoted growth through its positive influence on prey biomass.
FRESHWATER BIOLOGY
(2022)
Article
Environmental Sciences
Danielle J. Marchant, Ana Martinez Rodriguez, Pascaline Francelle, John Iwan Jones, Pavel Kratina
Summary: Microplastics are widespread in freshwater environments, but little is known about their impact on freshwater communities and ecosystem functions. An outdoor experiment was conducted to investigate the effects of different types and concentrations of microplastics, as well as nutrient enrichment, on community structure and ecosystem functioning. The results indicate that these factors had little impact on the semi-natural freshwater ecosystems studied. The negative impacts of microplastics predicted from previous species-specific studies may not be realized at the ecosystem scale.
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
(2023)
Article
Biodiversity Conservation
Csaba F. Vad, Anett Hanny-Endredi, Pavel Kratina, Andras Abonyi, Ekaterina Mironova, David S. Murray, Larysa Samchyshyna, Ioannis Tsakalakis, Evangelia Smeti, Sofie Spatharis, Hanrong Tan, Christian Preiler, Adam Petrusek, Mia M. Bengtsson, Robert Ptacnik
Summary: Climate change-related heatwaves pose significant threats to biodiversity and ecosystem functioning. However, our understanding of how communities resist and recover from extreme temperature events is limited. The spatial insurance hypothesis suggests that diverse species pools can buffer ecosystems against disturbances through the immigration of better-adapted species, but experimental evidence is lacking.
GLOBAL CHANGE BIOLOGY
(2023)
Article
Ecology
Liam N. N. Nash, Lucas W. W. Zorzetti, Pablo A. P. Antiqueira, Chris Carbone, Gustavo Q. Q. Romero, Pavel Kratina
Summary: Global patterns of aquatic insect emergence show clear seasonal variations, but their response to climate change remains understudied. This study found that with climate warming, aquatic insects will emerge over longer periods, with lower abundances and less pronounced seasonal patterns, which may disrupt ecosystem functions dependent on aquatic insects, such as riparian predation, pollination, and disease transmission.
GLOBAL ECOLOGY AND BIOGEOGRAPHY
(2023)
Article
Ecology
Dieison A. Moi, Margenny Barrios, Giancarlo Tesitore, Maite Burwood, Gustavo Q. Romero, Roger P. Mormul, Pavel Kratina, Leandro Juen, Thaisa S. Michelan, Luciano F. A. Montag, Gabriel M. Cruz, Jorge Garcia-Giron, Jani Heino, Robert M. Hughes, Bruno R. S. Figueiredo, Franco Teixeira de Mello
Summary: Human land-use change poses a significant threat to natural ecosystems globally. This study explores the effects of human land-use on plant and animal communities and their functions, such as biomass production. The findings reveal that intensive human land-uses lead to species loss, trait homogenization, and reduced animal biomass production in streams.
JOURNAL OF ANIMAL ECOLOGY
(2023)
Article
Biodiversity Conservation
Victoria A. A. Kemp, Jonathan Grey, David Hemprich-Bennett, Stephen J. J. Rossiter, Owen T. T. Lewis, Clare L. L. Wilkinson, Elizabeth L. L. Clare, Pavel Kratina
Summary: The accelerating loss and degradation of tropical forests necessitates a better understanding of the conservation value of remaining forests. By analyzing the trophic ecology of insectivorous bats in the tropical forests of Sabah, Borneo, this study demonstrates that changes in trophic complexity can be a more reliable indicator of habitat degradation than traditional community descriptors.
JOURNAL OF APPLIED ECOLOGY
(2023)
Article
Ecology
Melissa Progenio, Pablo A. P. Antiqueira, Felipe R. Oliveira, Bianca R. Meira, Fernando M. Lansac-Toha, Luzia C. Rodrigues, Gustavo Q. Romero, Liam N. Nash, Pavel Kratina, Luiz F. M. Velho
Summary: An experiment was conducted to test the impacts of predicted future warming on freshwater aquatic communities. The results showed that warming strongly structures freshwater communities and enhances beta-diversity. These effects are influenced by habitat size and detrital resources.
ECOLOGY AND EVOLUTION
(2023)