Spatial Aggregation

Model-assisted analysis of spatial and temporal variations in fruit temperature and transpiration highlighting the role of fruit development.

... these variations on fruit temperature and transpiration, a modelling approach was used. A physical model was developed to predict the spatial and temporal variations of fruit temperature and transpiration according to the spatial and temporal variations of environmental factors and thermal and physical fruit properties. Model predictions compared well ... transpiration gradients highlighted in this study made it necessary to take spatial and temporal variations of environmental factors and fruit characteristics into account to model fruit physiology. Citation: Nordey T, Léchaudel M, Saudreau M, Joas J, Génard M (2014) Model-Assisted Analysis of Spatial and Temporal Variations in Fruit Temperature and Transpiration ... Model-Assisted Analysis of Spatial and Temporal Variations in Fruit Temperature and Transpiration Highlighting the Role of Fruit Development Thibault Nordey1*, Mathieu Léchaudel1, Marc Saudreau2, Jacques
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A spatial neural fuzzy network for estimating pan evaporation at ungauged sites

... ANFIS outputs in spatial distribution, residuals are calculated based on the differences between the ANFIS outputs and the observations. The spatial coordinates corresponding to each residual are given to develop the covariance. (c) Developing the residual map The residual map is developed by considering covariance functions, residuals, spatial coordinates ... of www.hydrol-earth-syst-sci.net/16/255/2012/ 524 C.-H. Chung et al.: A spatial neural fuzzy network for estimating pan evaporation at ungauged sites (a) 259 (b) 525 Fig. 4. Statistical features of the spatial distribution of daily pan evaporation in Taiwan: (a) average of evaporation; and (b) standard deviation. 526 Fig. 4. Statistical features of the spatial distribution of daily pan ... parameters of the exponential function are set as c1 = 0.28 and a = 60 000, and r is the spatial variable. The spatial effect between two sites occurs when the distance of the two sites is less than 40 000 m (Fig. 5). C(r) = c1 exp(− 3r ) a (10) Figure 6 shows the spatial distribution of the averages of residuals obtained from the differences between
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The mode of action of spatial repellents and their impact on vectorial capacity of Anopheles gambiae sensu stricto.

... to as spatial repellency. Spatial repellents do not require physical contact of the mosquito with treated surfaces like insecticides used in indoor residual spraying (IRS) and long lasting insecticidal nets (LLINs), but act in the vapour state at a distance. Mosquito coils, PLOS ONE | DOI:10.1371/journal.pone.0110433 December 8, 2014 2 / 21 Spatial ... for the development of target product profiles of spatial repellent products that can be used to complement mainstream malaria vector control tools. Competing Interests: The authors have declared that no competing interests exist. PLOS ONE | DOI:10.1371/journal.pone.0110433 December 8, 2014 1 / 21 Spatial Repellents Reduce Mosquito Man-Biting Rates Introduction The ... contrast, compounds believed to be spatial repellents (e.g. linalool, dehydrolinalool and DEET) have been shown to slow down the flight and activity of mosquitoes and location of the host odor [33] hence acting as attraction inhibitors. Our study tested a pyrethroid, which has a different chemical structure compared to these spatial repellent compounds. This
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Spatial organization of mesenchymal stem cells in vitro--results from a new individual cell-based model with podia.

... www.plosone.org 3 July 2011 | Volume 6 | Issue 7 | e21960 Spatial Organization of MSC Figure 3. Cell culture. Images of an MSC population at day 1, 4, 6, and 7 of culture. Experimental (left) and simulation (right) results match qualitatively regarding cellular phenotype and quantitatively regarding spatial distribution and cell number (Figure 4). Model ... that for this set of parameters the down-regulation of cell growth has no effect on spatial colony expansion implying that colony expansion is dominated by cell migration. Only when random podia activity is much reduced does cell growth show its accelerating influence on spatial colony expansion (Figure S3). Influence of random podia activity. Shifting ... generally results in less aligned cells, faster spatial colony expansion, and higher cell numbers (Figure 8). Our results strongly suggest that the specific density-dependence of random podia activity found to fit the experimental data is optimal in that it results in a close to maximum cell-cell alignment and spatial colony expansion at the same time. The
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An Intelligent Approach For Mining Frequent Spatial Objects In Geographic Information System

... termed spatial autocorrelation or spatial dependence. It’s natural that most spatial data are not independent, they have high autocorrelation. In this paper, we propose an enhancement of existing mining algorithm for efficiently mining frequent patterns for spatial objects occurring in space such as a city is located near a river. The frequency of each spatial ... methods. KEYWORDS Frequent Pattern, Ordered List, Spatial Data, Share Frequent Pattern, Conditional Pattern Tree 1. INTRODUCTION Geographic Information System stores objects in space known as spatial data in Spatial Database Systems (SDBS). SDBS are large database systems for the management of spatial data. To store and retrieve spatial data in order to find implicit ... generating frequent spatial patterns. Many a time it is also necessary to record the frequency of occurrence of spatial objects and use the same in generation of frequent patterns. Secondly, we use a Share Ascending Order Frequent (SH-AOF) tree to efficiently mine the share information of each spatial object in a tree for finding frequent spatial patterns. 2.
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Определение окрестности фронтов волн в пространственной задаче Determination of vicinity of wave fronts in spatial problem

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Correction: Four-Year-Olds Use a Mixture of Spatial Reference Frames.

... CORRECTION Correction: Four-Year-Olds Use a Mixture of Spatial Reference Frames James Negen, Marko Nardini Fig 4 incorrectly appears as a duplicate of Fig S5. The authors have provided a correct version of Fig 4 here. OPEN ACCESS Citation: Negen J, Nardini M (2015) Correction: Four-Year-Olds Use a Mixture of Spatial Reference Frames. PLoS ONE 10(7): e0134973. ... by that frame (y axis). Both are seen to improve with age here. doi:10.1371/journal.pone.0134973.g001 Reference 1. Negen J, Nardini M (2015) Four-Year-Olds Use a Mixture of Spatial Reference Frames. PLoS ONE 10 (7): e0131984. doi:10.1371/journal.pone.0131984 PMID: 26133990 PLOS ONE | DOI:10.1371/journal.pone.0134973 July 31, 2015 2/2
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The seascape of demersal fish nursery areas in the North Mediterranean Sea, a first step towards the implementation of spatial planning for trawl fisheries.

... with spatial difference in temporal stability, PLOS ONE | DOI:10.1371/journal.pone.0119590 March 18, 2015 15 / 25 Fish Nursery Areas in the North Mediterranean Sea Fig 5. Map showing the spatial overlap among the persistent nursery areas of 11 species of demersal fish and shellfish in EU Mediterranean waters. Colours indicate different classes of spatial ... persistent recruitment areas. A high interspecific spatial overlap between nursery areas was mainly found along the shelf break of many different sectors of the Northern Mediterranean indicating a high potential for the implementation of conservation measures. Overlap of the nursery grounds with existing spatial fisheries management measures and trawl ... analysing the degree of overlap among nursery areas within the set of species considered. Finally, (6) we calculated the spatial overlap between nursery areas and the current fisheries restricted areas as a basis for the implementation of spatial conservation planning for demersal fisheries resources in the North Mediterranean Sea. Material and Methods A
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Spatial reconstruction of facial skin capillaries

... післяопераційного ризику при проведенні оперативних втручань для корекції інволютивних змін шкіри обличчя. Морфологія. – 2010. – Т. ІV, № 1. – С. 22-25. © О.І.Макарчук, 2010 Makarchuk O.I. Spatial reconstruction of facial skin capillaries. Summary. To define structural and functional changes of skin capillaries in women of different age groups in this work intraoperational ... was investigated. Skin material of cheek face region, temple region of head and anterior neck region was morphologically processed. To define parameters of dermal capillars and spatial reconstruction of intrapapillary capillary loops, serial sections was investigated with the help of morphometry. It was determined, that microcirculation age changes include ... intraoperative and postoperative risk at carrying out of operative interventions for correction of face skin involutive changes. Key words: human skin, microcirculation, capillary loop, spatial reconstruction, age changes. Вступ У сучасній естетичній хірургії обличчя і шиї визначальними факторами для вибору методу оперативного втручання вважають морфофункціональний
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Mechanism Underlying the Spatial Pattern Formation of Dominant Tree Species in a Natural Secondary Forest.

... 2016 4 / 17 Dynamic of the Spatial Pattern Formation of Secondary Forest corresponding distance was the aggregation distance [41]. The aggregation dimension was defined as the area of a circle with the radius of the corresponding aggregation distance. Bivariate analysis Bivariate Ripley’s K(r) functions were used to evaluate the spatial associations between ... DBH/height classes. Analysis of Stand Spatial Pattern and Association Because ecological processes are unlikely to be mutually exclusive, spatial patterns should be analyzed at multiple spatial scales to enhance our understanding of species coexistence and community structure [21]. Ripley’s K(r) function [35] analyzes spatial patterns and species associations ... forest communities [48–50]. In our study, an overall positive spatial relationship was found between trees of the same DBH or height class regardless of species (Fig 4). The spatial aggregation could be PLOS ONE | DOI:10.1371/journal.pone.0152596 March 30, 2016 9 / 17 Dynamic of the Spatial Pattern Formation of Secondary Forest Fig 5. Univariate
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High spatial resolution and temporally resolved T2* mapping of normal human myocardium at 7.0 Tesla: an ultrahigh field magnetic resonance feasibility study.

... 12 | e52324 Myocardial T2* Mapping at 7T demonstrated at 7.0 T. We also present the suitability of this technique for high spatial resolution myocardial T2* mapping by using thin slices (slice thickness = 2.5 mm) and in-plane spatial resolution of (1.161.1) mm2. Our initial volunteer studies serve as a mandatory precursor to a broader clinical study. ... acquisitions. However, if a larger data matrix size is needed for high spatial resolution T2* mapping, the readout/acquisition window can easily exceed 1.02 ms even when short dwell times are used. Consequently, it is elusive to accomplish inter-echo time increments of 1.02 ms for high spatial resolution T2* mapping at 7.0 T using sequential multi echo ... from all subjects an increase in T2* of 27%66% in all cardiac segments Figure 9. High spatial resolution four chamber and short axis view T2* maps derived from T2* weighted CINE imaging. For MB CINE slice thickness was reduced to 2.5 mm while maintaining the in-plane spatial resolution of (1.161.1) mm2. Compared to the results obtained with MB CINE using
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Weak glycolipid binding of a microdomain-tracer peptide correlates with aggregation and slow diffusion on cell membranes.

... stronger binders displaying similar characteristic diffusion profiles. Our findings indicate that for aggregation- prone peptides, aggregation occurs upon contact with the cell membrane, and rather than giving a stronger interaction with the membrane, aggregation is accompanied by weaker binding and complex diffusion profiles indicative of heterogeneous ... 43.8– 51.6% for the other variants (fig. 6B). 7 December 2012 | Volume 7 | Issue 12 | e51222 Aggregation- Dependent Dynamics of SBD Peptide Figure 6. Frequency of aggregation and non-binding of SBD variants. Spiked intensity traces and complex ACFs by FCS indicated aggregation of SBDs. A complex ACF is defined as deviating from the fitting model in the ... findings. Membrane-induced aggregation may be similar to the prion protein (PrP) which is normally found in non-aggregating a-helical PLOS ONE | www.plosone.org Conclusion In this study, we observed a striking inverse correlation between the binding ability of SBD variants to ganglioside-containing membranes, and membrane-induced aggregation. Aggregation of the
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Monofractal or multifractal: a case study of spatial distribution of mining-induced seismic activity

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Spatial correlations of population and ecological factors with distribution of visceral leishmaniasis cases in southwestern Iran

... climatic analysis. Geospatial data The patients’ residences were recorded and deter- mined on the Fars province shape file map which included counties, rural districts, villages, and cities based on the latitudes and longitudes of the villages or cities from which the VL patients were referred. The number of patients in Ghatee et al: Spatial survey of ... Affairs Administration, Shiraz, Iran ABSTRACT Background & objectives: Leishmaniasis as a dynamic disease may be markedly influenced by demographic and ecological factors. A geospatial information system study was developed to determine the distribution of visceral leishmaniasis (VL) cases in relation to population, climatic and environmental factors ... identification and survey of the effectiveness of these probable risk factors and prediction of trends of disease distribution has been conducted by remote sensing (RS) and geospatial information sys- 180 J Vector Borne Dis 50, September 2013 tems (GIS) approaches, which have been increasingly used in public health studies such as those for vector-borne
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Examining the spatial and temporal variation of groundwater inflows to a valley-to-floodplain river using <sup>222</sup>Rn, geochemistry and river discharge: the Ovens River, southeast Australia

... 5225–5267, 2013 Examining the spatial and temporal variation of groundwater inflows M. C. L. Yu et al. Title Page Abstract Introduction Conclusions References Tables Figures Back Close Full Screen / Esc Printer-friendly Version Interactive Discussion 5.4 Variations in baseflow 5.4.1 Spatial variations in baseflow The ... concentrations. The high baseflow estimates using 5226 Discussion Paper | Discussion Paper | Discussion Paper | Discussion Paper | HESSD 10, 5225–5267, 2013 Examining the spatial and temporal variation of groundwater inflows M. C. L. Yu et al. Title Page Abstract Introduction Conclusions References Tables Figures Back Close Full ... aggregate several water storages (such as bank return 5227 Discussion Paper | Discussion Paper | Discussion Paper | Discussion Paper | HESSD 10, 5225–5267, 2013 Examining the spatial and temporal variation of groundwater inflows M. C. L. Yu et al. Title Page Abstract Introduction Conclusions References Tables Figures Back Close Full
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Effects of ecological flooding on the temporal and spatial dynamics of carabid beetles (Coleoptera, Carabidae) and springtails (Collembola) in a polder habitat

... 10.3897/zookeys.100.1538 of ecological floRodesineagrocnhthaertdiycnlaemics of carabid beetles 421A peer-reviewed open-access journal www.zookeys.org Launched to accelerate biodiversity research Effects of ecological flooding on the temporal and spatial dynamics of carabid beetles (Coleoptera, Carabidae) and springtails (Collembola) in a polder habitat Tanja Lessel, Michael Thomas Marx, Gerhard Eisenbeis Johannes Gutenberg-University, ... |  Received 26 November 2009  |  Accepted 27 May 2010  |  Published 20 May 2011 Citation: Lessel T, Marx MT, Eisenbeis G (2011) Effects of ecological flooding on the temporal and spatial dynamics of carabid beetles (Coleoptera, Carabidae) and springtails (Collembola) in a polder habitat. In: Kotze DJ, Assmann T, Noordijk J, Turin H, Vermeulen R (Eds) Carabid ... hygrophilic springtail species. Thus, collembolan diversity and evenness decreased markedly in the absence of flooding. We showed that ecological flooding has an influence on the spatial and temporal dynamics of different arthropod groups that inhabit the polder “Ingelheim”. These findings demonstrate the importance of using different arthropod groups as
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Spatial Impact of the Road Infrastructure Development in Romania. An Accessibility Approach

... the Transylvanian Plateau, Banat Hills, Dobrudja and the Danube Delta. 108 SPATIAL IMPACT OF THE ROAD INFRASTRUCTURE DEVELOPMENT IN ROMANIA. AN ACCESSIBILITY APPROACH Figure 5. Spatial variability of accessibility according to the existing road infrastructure Figure 6. Spatial variability of accessibility according to TEN-T projected road infrastructure ... ease of access to spatially distributed services). Geurs and Ritsema van Eck (2001) used four categories: infrastructure-based measures, activity-based measures, person-based measures and utilitybased measures. The review by Curtis and Scheurer (2010) attempted to consolidate the range of accessibility measures using seven categories: spatial separation ... topological network components: nodes and edges). Handy and Niemeier (1997) identified four key-elements that must be considered before measuring accessibility: level of data disaggregation in spatial and socio-economic terms, origins and destinations, network impedance and the attractiveness of a destination. In this paper we consider a complex matrix of origins
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Riparian zone processes and soil water total organic carbon (TOC): implications for spatial variability, upscaling and carbon exports

... Organic and mineral soils in RZs constitute a hetero15 geneous landscape mosaic that controls much of the spatial variability of stream water TOC. We developed an empirical regression-model based on the TWI to move beyond the plot scale to predict spatially variable riparian TOC concentration profiles for RZs underlain by glacial till. 1 Introduction 20 ... used to predict groundwater levels and soil water TOC concentrations in riparian soils. 25 This implies that combining terrain analysis with a spatially distributed RIM concept would make it possible to predict the spatial variability of riparian TOC concentrations and TOC exports from RZs in boreal forested catchments. 3034 Discussion Paper | Discussion ... spatio-temporal variability of stream TOC concentrations. By the same token, there seemed to be sufficient variation in the RZ to explain spatially variable stream TOC. This would be a necessary prerequisite for developing a spatially distributed representation of RZ flow and concentration relationships. 15 All ROK sites except sites R9 and R15 exhibited a
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Intra-community spatial variability of particulate matter size distributions in southern California/Los Angeles

... of spatial and 20 temporal variability. COD values ranged from 0.10 to 0.90 (LB2-LB5 and W2-SP1, respectively), with usually high to moderate spatial variability for particles
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Erosion control and protection from torrential floods in Serbia-spatial aspects

... protection from torrential floods), with HZs (Hazard zones) and TAs (Threatened areas) mapping on the basis of spatial analysis of important factors in torrential floods formation. Solutions defined through PAERs and PPTFs must be integrated into Spatial Plans at local and regional levels. Key words: Flood protection, Erosion Control, Plans for announcement ... m3·s-1), indicating the improvement of hydrological conditions, as a direct consequence of ETCW. HZs have been determined on the basis of spatial analysis of important factors in torrential floods formation. Spatial identification of HZs helps effective action with a view to decreasing the intensity of erosion processes and the amount of surface runoff. ... lowest and the most effective level is attained through PAERs and PPTFs, with HZs and TAs mapping on the basis of spatial analysis of important factors in torrential floods forming. Solutions defined through PAERs and PPTFs must be integrated into Spatial Plans at local and regional levels. The forecast and simulation of torrential floods is essential for
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Modeling social heterogeneity, neighborhoods and local influences on urban real state prices: spatial dynamic analyses in the Belo Horizonte metropolitan area, Brazil

... heterogeneity Question 1 Minas Gerais, RMBH, Belo Horizonte Belo Horizonte analytic descriptive analytic analytic static; spatial static; spatial dynamic; spatial dynamic; spatial spatial and social heterogeneity spatial and social heterogeneity spatial and social heterogeneity cross-validation Belo Horizonte RMBH RMBH Belo Horizonte Question 1 Question ... answered review static; a -spatial real estate market review, critical dynamic; spatial urban morphology; city definition model formulation dynamic; spatial descriptive dynamic qualitative and static; spatial quantitative analysis price and locational determination urban dynamics spatial and social heterogeneity Question ... 6.2.2 6.2.3 6.2.4 6.3 6.3.1 Analyzing the neighborhood hedonic prices function using spatial and quantile regression modeling Introduction Methodology Spatial analysis and spatial econometric models Weight matrices Quantile regression analysis Spatial- quantile regression analysis Dataset Dataset used in the model 103 103 105 105
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Diploptene <i>δ</i><sup>13</sup>C values from contemporary thermokarst lake sediments show complex spatial variation

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A diversity-based approach to the spatial development of socio-ecological systems

... the 5. Core concepts of spatial development Although sprawl was referred extensively in the previous chapters, sustainability also implies a control of the development process, including its spatial dimensions. Europe serves as a good example though the existence of spatial development policies. However, what is generally called ? ?spatial planning’ has ... Watters, 2003). In addition to the pillars, sustainability acquired in time a spatial dimension, manifested through the ? ?spatial sustainable development’ and concepts dealing with the local sustainability – ‘sustainable communities’ or ‘selfstanding village’ (Petrişor and Petrişor, 2014). Spatial sustainable development was defined as “development providing ... Conclusions The analysis revealed the spatial side of the relationship between man and nature. Human activities affect the spatial configuration of the environment and its diversity. The diversity of the natural or human realm, measured in multiple ways (structure, functions, response etc.) is not necessarily correlated with the spatial diversity, although the
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Simplified PRBMs of spatial compliant multi-beam modules for planar motion

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Spatial distribution of proportional infant mortality and certain socioeconomic variables in Salvador, Bahia, Brazil

... population of 1,501,981 (1980 census), infant mortality studies have undergone little methodologic change over time (8, 9). As a result, the indicators used do not reveal the social or spatial distribution of mortality, nor do they show inequalities in the distribution of goods and services among the various segments of the population. Moreover, even if the infant ... the number of live births is lacking. It was therefore decided to conduct a study using the ratio of infant deaths to total deaths in Salvador as an indicator for analyzing the spatial distribution of infant mortality. The aim of this study was to describe the distribution of infant deaths in each zone of the 4 Assistant Professor, School of Nutrition, ... analysis.’ The Spearman correlation coefficient significance test was performed, using a level of statistical significance of p < 0.05 with two degrees of freedom. RESULTS The spatial distribution of proportional infant mortality in the municipality of Salvador was found to be fairly uneven, ranging from 3.9 % in the reporting zone including Vitdria
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