Article
Plant Sciences
Richard M. Bateman, Katherine M. Stott, David F. Pearce
Summary: A large population of the temperate tuberous Greater Butterfly-orchid in England was monitored for 16 years. The number of flowering plants and four morphological traits were measured annually. The results showed that labellar spur length was more constrained than flower number or stem height, and had limited correlations with other traits. Spring rainfall and insolation had no immediate effect on traits, but impacted trait expression in the following year.
FRONTIERS IN PLANT SCIENCE
(2023)
Article
History & Philosophy Of Science
Thomas Bonk
Summary: The number of adjustable parameters is often seen as a measure of simplicity in a model or hypothesis, but this definition is challenged in this paper. Instead, comparative simplicity is argued to have a quasi-empirical measure based on experts' judgments of past use of a model in different domains. This framework allows for the recovery of the usual definition and sheds new light on the relationship between simplicity and empirical success.
Article
Environmental Sciences
Mussie T. Beyene, Scott G. Leibowitz, Christopher J. Dunn, Kevin D. Bladon
Summary: This study assessed the impact of both wildfires and prescribed fires on trace element concentrations in streams in the western US. The results showed that high-severity wildfires caused significant increases in trace element concentrations, while prescribed fires did not.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Ecology
Jonathan D. Lautenbach, David A. Haukos, Joseph M. Lautenbach, Christian A. Hagen
Summary: The removal of natural fire from grassland ecosystems in parts of the western Great Plains has led to changes in vegetation and woody encroachment. The lesser prairie-chicken, a species requiring heterogeneous grasslands, may benefit from patch-burn grazing as a management tool to restore and maintain its habitat.
JOURNAL OF WILDLIFE MANAGEMENT
(2021)
Article
Economics
Osman Dogan
Summary: In this paper, the modified harmonic mean method is proposed for estimating marginal likelihood functions of cross-sectional spatial autoregressive models. The method is shown to be applicable for popular cross-sectional spatial autoregressive models in a Bayesian estimation setting. A simulation study is conducted to investigate the performance of this estimator along with other popular information criteria for model selection problems. The simulation results demonstrate that the modified harmonic mean estimator performs well and can be useful for specification search exercises in spatial econometrics.
Article
Materials Science, Multidisciplinary
Ting Wu, Chunxiang Lu, Tongqing Sun, Yonghong Li
Summary: Statistical evaluation methods were used to determine the best multi-peak fitting models for first- and second-order Raman spectral analysis of high-strength carbon fibers (T series) and high-strength and high-modulus carbon fibers (MJ series). The results showed that the fitting models of MJ series had higher statistical consistency. Based on the relationship between spectral parameters and mechanical properties, recommended fitting models were proposed for both fiber types.
JOURNAL OF MATERIALS SCIENCE
(2022)
Article
Meteorology & Atmospheric Sciences
Stephen Jewson, Tanja Dallafior, Francesco Comola
Summary: The insurance industry uses mathematical models to estimate risks related to natural catastrophes, often relying on historical climate data. Different methods for estimating trends in climate variables have their own advantages and disadvantages, with model averaging being deemed most appropriate for European rainfall.
METEOROLOGICAL APPLICATIONS
(2021)
Editorial Material
Geochemistry & Geophysics
Zhongliang Wu
Summary: The evaluation of numerical earthquake forecasting models requires considering two equally important issues: the application scenario of the simulation and the complexity of the model. The criterion for evaluation-based model selection faces interesting problems in need of discussion.
EARTHQUAKE SCIENCE
(2022)
Article
Fisheries
Sandra Edith de la Fuente, Jorge Homero Rodriguez-Castro, Jose Alberto Ramirez-de Leon, Frida Carmina Caballero-Rico, Jorge Alejandro Rodriguez-Olmeda, Filiberto Toledano-Toledano
Summary: This study used a multimodel approach to describe the growth pattern of the bonnethead shark. The Soriano model with modified growth rate and length at birth was found to be the most suitable, confirming the hypothesis of biphasic growth. Correspondences were identified between growth-phase change sizes and reported sizes for juvenile-adult stage changes in females, as well as onset of reproductive maturity in males and both sexes.
Article
Chemistry, Multidisciplinary
Xin Wang, Li Wang, Lingyun Xie
Summary: A comparative study on emotion recognition in Chinese and Western classical music reveals the differences and importance of music features, providing a basis for improving cross-cultural emotion recognition models.
APPLIED SCIENCES-BASEL
(2022)
Article
Forestry
Robert A. York, Kane W. Russell, Hunter Noble
Summary: In dry, productive forests, new silvicultural systems are needed to better align with the ecosystem's disturbance regime of frequent low and moderate-severity fires. Merging timber harvests with prescribed fire programs can provide benefits that they cannot provide alone. A study on burn season and pruning effects showed that both spring and fall burns had similar amounts of mortality, with fall burns consuming more fuel. Pruning did not clearly reduce fire-related mortality or crown damage. While merging gap-based silviculture with prescribed fires may be operationally complex, it offers a method for sustaining heterogeneity and maintaining low surface fuels.
TREES FORESTS AND PEOPLE
(2022)
Article
Mathematics, Interdisciplinary Applications
Julian Rossbroich, Jeffrey Durieux, Tom F. Wilderjans
Summary: This paper investigates the model selection problem in ADPROCLUS and compares several existing model selection strategies for K-means in an ADPROCLUS context. The results show that the CHull model selection strategy outperforms others, especially when using the negative log-likelihood as the fit measure. A post hoc AIC-based model selection strategy suggests that a different definition of model complexity for ADPROCLUS can lead to better performance.
JOURNAL OF CLASSIFICATION
(2022)
Article
Computer Science, Information Systems
Adrien Saumard, Fabien Navarro
Summary: A modification of Akaike's Information Criterion is proposed to avoid overfitting in the selection of frequency histograms, emphasizing the improvement of unbiased risk estimation for model selection through addressing excess risk deviations in the penalization procedure. Sharp oracle inequalities for the Kullback-Leibler divergence are proven theoretically, with demonstration of superior performance in bin size selection compared to the AICc procedure in a simulation study.
IEEE TRANSACTIONS ON INFORMATION THEORY
(2021)
Article
Fisheries
Maeghen Wedgeworth, Robert Mollenhauer, Shannon K. Brewer
Summary: This study investigated the life history and conservation status of the endemic minnow species, Prairie Chub, in the upper Red River basin. The results showed that the spawning and larval survival of Prairie Chub are influenced by discharge and streamflow variability, with significant spatial and temporal variability. These findings have important implications for future conservation and management efforts.
NORTH AMERICAN JOURNAL OF FISHERIES MANAGEMENT
(2023)
Proceedings Paper
Acoustics
Nadav E. Rosenthal, Joseph Tabrikian
Summary: In estimation theory, when the true data model is unknown, a set of parameterized models are used to approximate it. This paper proposes using the misspecified Cramer-Rao bound (MCRB) as a criterion for model selection. The performance of the proposed approach is evaluated through simulations in a linear regression problem and it outperforms other criteria.
2022 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING (ICASSP)
(2022)
Article
Marine & Freshwater Biology
Lloyd W. Morrison
Article
Ecology
Lloyd W. Morrison
JOURNAL OF BIOGEOGRAPHY
(2017)
Review
Entomology
L. W. Morrison
Article
Ecology
Lloyd W. Morrison
JOURNAL OF BIOGEOGRAPHY
(2014)
Article
Plant Sciences
Lloyd W. Morrison
JOURNAL OF PLANT ECOLOGY
(2013)
Article
Ecology
Sherry A. Leis, Lloyd W. Morrison
RANGELAND ECOLOGY & MANAGEMENT
(2011)
Article
Ecology
Michael D. DeBacker, John S. Heywood, Lloyd W. Morrison
RANGELAND ECOLOGY & MANAGEMENT
(2011)
Article
Ecology
Lloyd W. Morrison, Sonia N. Bingham, Craig C. Young
Article
Plant Sciences
Craig C. Young, Jordan C. Bell, Lloyd W. Morrison
INVASIVE PLANT SCIENCE AND MANAGEMENT
(2020)
Review
Biotechnology & Applied Microbiology
Li Chen, Lloyd W. Morrison
Summary: Pseudacteon flies, parasitoids of South American fire ants, have been successfully established in the US to control imported fire ant species. The released fly species complex is expected to reduce the abundance of imported fire ants, and future research should focus on documenting the overall reduction in host ant populations.
BIOLOGICAL CONTROL
(2021)
Review
Plant Sciences
Lloyd W. Morrison
Summary: Observer error is common in vegetation sampling and can lead to underestimation or overestimation of species richness. Different types of nonsampling errors can occur during vegetation surveys, resulting in false positives and false negatives. Understanding error mechanisms, training, and consistent use of appropriate procedures can help reduce most sources of nonsampling error.
Article
Plant Sciences
Lloyd W. Morrison, Sherry A. Leis, Michael D. DeBacker
Summary: This study investigated the impact of observer error on species diversity measures, revealing that species diversity metrics are less affected by observer error compared to turnover indices. The study also found that differences in observer records led to increased separation in non-metric multidimensional scaling ordination.
JOURNAL OF PLANT ECOLOGY
(2023)
Article
Plant Sciences
Lloyd W. Morrison, Sherry A. Leis, Michael D. DeBacker
JOURNAL OF PLANT ECOLOGY
(2020)
Review
Entomology
Lloyd W. Morrison
MYRMECOLOGICAL NEWS
(2016)