Results 131 to 140 of about 530 (188)

Analyse spatiale et paysages

open access: yes, 2008
Yengué, Jean-Louis   +3 more
openaire   +1 more source

[First detection of Rift Valley Fever Virus among Culex pipiens in Tahoua, Niger]. [PDF]

open access: yesMed Trop Sante Int
Mahamane Iro S   +11 more
europepmc   +1 more source

HU promotes higher-order chromosome organisation and influences DNA replication rates in Streptococcus pneumoniae

open access: yes
Mazzuoli M   +9 more
europepmc   +1 more source

SPATIAL MODELING IN ECOLOGY: THE FLEXIBILITY OF EIGENFUNCTION SPATIAL ANALYSES

Ecology, 2006
Recently, analytical approaches based on the eigenfunctions of spatial configuration matrices have been proposed in order to consider explicitly spatial predictors. The present study demonstrates the usefulness of eigenfunctions in spatial modeling applied to ecological problems and shows equivalencies of and differences between the two current ...
Daniel A, Griffith, Pedro R, Peres-Neto
openaire   +2 more sources

Analysing Spatial Structures

2018
In many cases, multivariate data are collected for entities that are geographically located (i.e., georeferenced). This chapter describes several techniques to incorporate the spatial information in multivariate methods using packages sp, spdep and adespatial.
Jean Thioulouse   +5 more
openaire   +1 more source

The visual cortex as a spatial frequency analyser

Vision Research, 1973
Abstract Unitary responses to sinusoidal gratings either moving or alternating in phase have been investigated in the optic tract, lateral geniculate body and visual cortex of the cat as a function of the spatial frequency, position of the grating with respect to the cell receptive field and grating contrast.
L, Maffei, A, Fiorentini
openaire   +2 more sources

Spatial Analyses

2019
Many earth systems phenomena take place over a region continuously by time; hence, the variation is of the spatio-temporal type. The spatial evolvement of the events can be sampled generally at a set of irregular sites or particularly at regular mesh grid nodes as already explained in the previous chapter.
openaire   +2 more sources

Spatial Transcriptomic Analyses of Spermatogenesis

Measuring mRNA abundance at the level of the whole transcriptome has become an indispensable tool for the investigation of fundamental biological processes in higher eukaryotes. However, traditional transcriptomic methods are destructive and ignore the three-dimensional organization of cells within tissues and organs.
Ndifereke, Uboh   +3 more
openaire   +2 more sources

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