A5049268137- COVID-19 epidemiological studies
- Climate Change, Adaptation, Migration
- Parasitic infections in humans and animals
- Mathematical and Theoretical Epidemiology and Ecology Models
- Evolutionary Game Theory and Cooperation
- Ecology and Vegetation Dynamics Studies
- Ecosystem dynamics and resilience
- Viral Infections and Outbreaks Research
- Plant Water Relations and Carbon Dynamics
- Congenital Anomalies and Fetal Surgery
- Evolution and Genetic Dynamics
- Viral Infections and Vectors
- Vector-Borne Animal Diseases
- Animal Diversity and Health Studies
- Burkholderia infections and melioidosis
- Plant and animal studies
- Animal Disease Management and Epidemiology
- Plant Parasitism and Resistance
- SARS-CoV-2 and COVID-19 Research
- Brucella: diagnosis, epidemiology, treatment
- Toxoplasma gondii Research Studies
- COVID-19 and Mental Health
- Viral gastroenteritis research and epidemiology
- Aquatic and Environmental Studies
- Marine and coastal ecosystems
Harbin Engineering University
2021-2024
Northeast Normal University
2017-2022
The outbreak of COVID-19 caused by SARS-CoV-2 in Wuhan and other cities China is a growing global concern. Delay diagnosis limited hospital resources lead to rapid spread COVID-19. In this study, we investigate the effect delay on disease transmission with new formulated dynamic model. Sensitivity analyses numerical simulations reveal that, improving proportion timely shortening waiting time for can not eliminate but effectively decrease basic reproduction number, significantly reduce risk,...
Abstract Background Cystic echinococcosis is one of the most severe helminth zoonosis with a drastic impact on human health and livestock industry. Investigating optimal control strategy assessing crucial factors are essential for developing countermeasures to mitigate this disease. Methods Two compartment models were formulated study dynamics cystic transmission, evaluate effectiveness various measures, find strategy. Sensitive analyses conducted by obtaining PRCCs contour plot was used...
This paper is devoted to exploring a diffusive predator-prey system with prey refuge and predator cannibalism. We investigate dynamics of this system, including dissipation persistence, local global stability constant steady states, Turing instability, nonexistence existence nonconstant state solutions. The influence cannibalism on biomass density also considered by using systematic sensitivity analysis. Our studies suggest that appropriate has positive effect density, then high may...
The paper characterizes the global threshold dynamics of an epidemic model SIQS type in environments with fluctuations, where quarantine class is explicitly involved. Criteria are established for permanence and extinction infective time oscillations. In particular, we further consider environment which varies periodically time. dynamic scenarios i.e. existence asymptotic stability disease-free periodic solution, endemic solution completely characterized by basic reproduction number defined...
Mixotrophs can prey on micro-autotrophic algae and also compete with autotrophs for light nutrients, forming an intraguild predation structure. In order to capture this character of mixotrophs describe the autotrophs–mixotrophs interactions in a poorly mixed water column, we develop reaction–diffusion model. The dynamics system, including dissipation, Turing instability, existence stability constant steady state solutions, nonexistence nonconstant are well explored. influence autotrophic...
Grassland ecosystems are the most widely distributed terrestrial of world. Many studies focus on aboveground grassland, but belowground grassland is less explored because difficulty sampling. Furthermore, above-and-below ground biomass allocation mechanism herbs still disputed between isometric growth hypothesis and optimal partitioning hypothesis. In this study, a regrowth dynamic model, based nutrient dynamics stoichiometry, proposed analyzed to investigate interaction herbaceous plants....
Since the beginning of March 2022, epidemic due to Omicron variant has developed rapidly in Jilin Province. To figure out key controlling factors and validate model show success Zero-COVID policy province, we constructed a Recursive Model quantifying strength control measures, defined reproduction number as an index for describing intensity interventions. Parameter estimation sensitivity analysis were employed estimate impact changes different measures on public health preventions...
Since the beginning of March 2022, epidemic due to Omicron variant has developed rapidly in Jilin Province. To figure out key controlling factors and validate model show success Zero-COVID policy province, we constructed a Recursive Model quantifying strength control measures, defined reproduction number as an index for describing intensity interventions. Parameter estimation sensitivity analysis were employed estimate impact changes different measures on public health preventions...
Abstract Background : Cystic echinococcosis is one of the most severe helminth zoonosis with a drastic impact on human health and livestock industry. Investigating optimal control strategy assessing crucial factors are essential for developing countermeasures to mitigate this disease. Methods Two compartment models were formulated study dynamics cystic transmission, evaluate effectiveness various measures, find strategy. Sensitive analyses conducted by obtaining PRCCs contour plot used...
Abstract Background: Cystic echinococcosis is one of the most severe helminth zoonosis with a drastic impact on human health and livestock industry. Investigating optimal control strategy assessing crucial factors are essential for developing countermeasures to mitigate this disease. Methods: Two compartment models were formulated study dynamics cystic transmission, evaluate effectiveness various measures, find strategy. Sensitive analyses conducted by obtaining PRCCs contour plot was used...
The dynamics of two-plant competitive models have been widely studied, while the effect chemical heterogeneity on plants is rarely explored. In this study, a model that explicitly incorporates light and total phosphorus in system formulated to characterize impacts limited carbon competition system. dissipativity, existence stability boundary equilibria coexistence equilibrium are proved, when two compete for equally. Our simulations indicate that, with equal ($ b_{12} = b_{21} $) fixed T $),...
The relationship between the producer and consumer is important in grassland ecosystems. Most producer-consumer models only consider food quantity focus on above ground part of producers interactions, while quality below can be an factor these models. We developed a stoichiometric model, where represents primary production terrestrial plant with parts subject to constraints carbon phosphorus. analysis shows that dynamic behavior model richer than traditional solution curves used explain...