Results 91 to 100 of about 8,301,898 (327)

Does "model-free" forecasting really outperform the "true" model? A reply to Perretti et al

open access: yes, 2013
Estimating population models from uncertain observations is an important problem in ecology. Perretti et al. observed that standard Bayesian state-space solutions to this problem may provide biased parameter estimates when the underlying dynamics are ...
Dormann, Carsten F., Hartig, Florian
core   +1 more source

Paving the Way to Elucidate Hg's Role in Tumorigenesis

open access: yesAdvanced Science, EarlyView.
Tumorigenesis can result from diverse environmental carcinogens. Among them, mercury—a lifelong bioaccumulative Group 2B carcinogen—has tumorigenic potential that remains poorly understood due to confounding co‐exposures and limited organ‐specific data.
Shouying Li   +10 more
wiley   +1 more source

The Development of Local News Collaboration: A Population Ecology Perspective

open access: yesInternational Journal of Communication, 2023
The increasingly popular local news collaboration (LNC), a form of local news production, was analyzed as a budding population or collection of entities with increasingly similar forms and practices. Growth of the population over time is examined by both
Wilson Lowrey   +2 more
doaj  

Changes in the life history traits of the European Map butterfly, Araschnia levana (Lepidoptera: Nymphalidae) with increase in altitude

open access: yesEuropean Journal of Entomology, 2011
Climatic conditions can modify the life history traits, population dynamics and biotic interactions of species. Therefore, adaptations to environmental factors such as temperature are crucial for species survival at different altitudes.
Kathrin D. WAGNER   +2 more
doaj   +1 more source

Stochastic models of population extinction

open access: yes, 2010
Theoretical ecologists have long sought to understand how the persistence of populations depends on biotic and abiotic factors. Classical work showed that demographic stochasticity causes the mean time to extinction to increase exponentially with ...
Meerson, Baruch, Ovaskainen, Otso
core   +1 more source

Rapid Remodeling of the Human Gut Microbiome in Response to Short‐Term Animal Product Restriction and Associations with Host Molecular Phenotypes

open access: yesAdvanced Science, EarlyView.
A real‐world model of structured animal product restriction practiced for religious reasons reveals the dynamic adaptability of the human gut microbiome to dietary change and uncovers reductions in diversity and rare taxa loss. Integrated microbiome, metabolomic, and proteomic analyses uncover coordinated taxonomic and molecular shifts and identify ...
Christina Emmanouil   +7 more
wiley   +1 more source

Ecological implications of reduced pollen supply in the alpine: a case study using a dominant cushion plant species [v2; ref status: indexed, http://f1000r.es/3xc]

open access: yesF1000Research, 2014
The reproductive assurance hypothesis states that self-incompatible female plants must produce twice the number of seeds relative to their self-compatible hermaphroditic counterparts to persist in gynodioecious populations.
Anya Reid   +3 more
doaj   +1 more source

Offspring Sex Ratio in Double Brooding Prothonotary Warblers [PDF]

open access: yes, 2017
Prothonotary warblers are bright, golden birds who, with their loud calls, make themselves known in wetland habitats in the spring after returning from their winter homes in the Neotropics to breed. This migratory species is important to study because of
DeSaix, Matthew   +4 more
core   +1 more source

The Community Simulator: A Python package for microbial ecology

open access: yes, 2020
Natural microbial communities contain hundreds to thousands of interacting species. For this reason, computational simulations are playing an increasingly important role in microbial ecology.
Cui, Wenping   +3 more
core   +1 more source

An Increasing Misalignment Between Crop Distribution and Environmental Resources Under Climate Change in China

open access: yesAdvanced Science, EarlyView.
Climate change reshapes the spatial alignment between crop production and environmental resources. Using multi‐source data and a crop model, integrated climatic, water, and soil endowments for maize and wheat are quantified and compared with harvest distributions.
Zheng'e Su   +13 more
wiley   +1 more source

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