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Phenotypically heterogeneous populations in spatially heterogeneous environments

Physical Review E, 2014
The spatial expansion of a population in a nonuniform environment may benefit from phenotypic heterogeneity with interconverting subpopulations using different survival strategies. We analyze the crossing of an antibiotic-containing environment by a bacterial population consisting of rapidly growing normal cells and slow-growing, but antibiotic ...
Patra, P., Klumpp, S.
openaire   +3 more sources

A generalized heterogeneity model for spatial interpolation

International Journal of Geographical Information Science, 2022
Spatial heterogeneity refers to uneven distributions of geographical variables. Spatial interpolation methods that utilize spatial heterogeneity are sensitive to the way in which spatial heterogeneity is characterized.
Peng Luo   +4 more
semanticscholar   +1 more source

A hybrid model considering spatial heterogeneity for landslide susceptibility mapping in Zhejiang Province, China

, 2020
Landslides are a type of serious geologic disaster causing great damage to the human environment. Landslide susceptibility mapping is an effective means to reduce landslide risk. However, previous studies have not considered spatial heterogeneity.
Yumiao Wang   +4 more
semanticscholar   +1 more source

Heterogeneous Spatial Reasoning

2005
In this article, we investigate the problem of checking consistency in a hybrid formalism, which combines two essential formalisms in qualitative spatial reasoning: topological formalism and cardinal direction formalism. Instead of using conventional composition tables, we investigate the interactions between topological and cardinal directional ...
Haibin Sun, Wenhui Li 0002
openaire   +1 more source

Oxygen influences spatial heterogeneity and microbial succession dynamics during Baijiu stacking process.

Bioresource Technology
The spontaneous solid-state stacking process (SSSP) of Baijiu is an environmentally friendly and cost-effective process for enriching and assembling environmental microorganisms to guarantee the subsequent fermentation efficiency. In this study, how SSSP
Liangqiang Chen   +8 more
semanticscholar   +1 more source

Spatial heterogeneity of temperature sensitivity of soil respiration: A global analysis of field observations

, 2020
The temperature sensitivity of soil respiration (Q10) plays a key role in benchmarking the intensity of terrestrial soil carbon-climate feedbacks. However, there is large spatial heterogeneity of Q10 that remains unexplained at the global scale. Here, we
Jinquan Li   +4 more
semanticscholar   +1 more source

Spatial Heterogeneity in Epidemic Models

Journal of Theoretical Biology, 1996
Spatial heterogeneity is believed to play an important role in the persistence and dynamics of epidemics of childhood diseases because asynchrony between populations within different regions allows global persistence, even if the disease dies out locally. A simple multi-patch (metapopulation) model for spatial heterogeneity in epidemics is analysed and
A L, Lloyd, R M, May
openaire   +2 more sources

Within-city spatial and temporal heterogeneity of air temperature and its relationship with land surface temperature

, 2021
Using land surface temperatures (LST) derived from remotely sensed data, numerous studies have shown that not only urban areas are warmer than surrounding rural areas, but within urban areas, there are large spatial variations in temperature. Few studies,
Jie Cao   +4 more
semanticscholar   +1 more source

Spatial Heterogeneity in Crime Analysis

CrimRxiv, 2012
Issues related to the modifiable areal unit problem are well-understood within geography. Though these issues are acknowledged in the spatial crime analysis literature, there is little research that assesses their impact. In fact, much of the cited spatial crime analysis literature that investigates the impact of modified areal units suggests that ...
Martin A. Andresen, Nick Malleson
openaire   +1 more source

Spatial heterogeneity and the persistence of populations

Oecologia, 1974
The hypothesis that dispersal in a heterogeneous environment can be an important factor in population stability is examined. It is shown that dispersal may increase the persistence time of a population by several orders of magnitude.
openaire   +2 more sources

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