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Selection: with tag topology [11 articles] 


(INRMM-MiD internal record) List of keywords of the INRMM meta-information database - part 41

(February 2018)
Keywords: inrmm-list-of-tags   thrinax-radiata   thuja-occidentalis   thuja-plicata   thuja-spp   tibet   tilia-americana   tilia-amurensis   tilia-argentea   tilia-cordata   tilia-dasystyla   tilia-platyphyllos   tilia-spp   tilia-tomentosa   tilio-acerion   tillage   timber-harvesting   timber-quality   timber-uses   timber-value   time-lags   time-series   tipovers   tipping-point   todo-replace-book-abstract-with-chapter-abstract   tolerance   tomicobia-seitneri   tomicus-piniperda   tomicus-spp   tool-driven   toona-ciliata   top-down   topographic-position-index   topographic-wetness-index   topography   topology   topsoil-grain-size   torcello   tornado   torreya-californica   torreya-spp   torreya-taxifolia   tortrix-viridana   totum-pro-parte-bias   tourism   toxicity   trade-offs   trade-regulations   traditional-remedy   training-course   trait-based-approach   transboundary-effects   transcendental-functions   transdiciplinary-scientific-communication   transdisciplinary-research   transect   transparency   transport   transport-system   transportation-impacts   treculia-africana   tree-age   tree-breeding   tree-cancer   tree-defoliation   tree-density   tree-diseases   tree-diversity   tree-ecology   tree-fall   tree-fruits   tree-height   tree-limit   tree-line   tree-mortality   tree-rings   tree-sap   tree-seeds   tree-species   tree-virus   treefall   trichilogaster-acaciaelongifoliae   trichiocampus-viminalis   trinidad-island   tropical-areas   tropical-climate   tropical-forest   tropical-forests   tropical-mountain-forest   tropical-storms   tropics   trunk-sucker   tsuga-canadensis   tsuga-chinensis   tsuga-heterophylla   tsuga-mertensiana   tsuga-spp   tundra   turing-completeness   turkey  


List of indexed keywords within the transdisciplinary set of domains which relate to the Integrated Natural Resources Modelling and Management (INRMM). In particular, the list of keywords maps the semantic tags in the INRMM Meta-information Database (INRMM-MiD). [\n] The INRMM-MiD records providing this list are accessible by the special tag: inrmm-list-of-tags ( ). ...


Using n-dimensional hypervolumes for species distribution modelling: a response to Qiao et al.

Global Ecology and Biogeography, Vol. 26, No. 9. (September 2017), pp. 1071-1075,


Hypervolume approaches are used to quantify functional diversity and quantify environmental niches for species distribution modelling. Recently, Qiao et al. ([1]) criticized our geometrical kernel density estimation (KDE) method for measuring hypervolumes. They used a simulation analysis to argue that the method yields high error rates and makes biased estimates of fundamental niches. Here, we show that (a) KDE output depends in useful ways on dataset size and bias, (b) other species distribution modelling methods make equally stringent but different assumptions ...


Do hypervolumes have holes?

The American Naturalist, Vol. 187, No. 4. (15 February 2016), pp. E93-E105,


Hypervolumes are used widely to conceptualize niches and trait distributions for both species and communities. Some hypervolumes are expected to be convex, with boundaries defined by only upper and lower limits (e.g., fundamental niches), while others are expected to be maximal, with boundaries defined by the limits of available space (e.g., potential niches). However, observed hypervolumes (e.g., realized niches) could also have holes, defined as unoccupied hyperspace representing deviations from these expectations that may indicate unconsidered ecological or evolutionary processes. Detecting ...


A cautionary note on the use of hypervolume kernel density estimators in ecological niche modelling

Global Ecology and Biogeography (August 2016),


Blonder et al. (2014, Global Ecology and Biogeography, 23, 595–609) introduced a new multivariate kernel density estimation (KDE) method to infer Hutchinsonian hypervolumes in the modelling of ecological niches. The authors argued that their KDE method matches or outperforms several methods for estimating hypervolume geometries and for conducting species distribution modelling. Further clarification, however, is appropriate with respect to the assumptions and limitations of KDE as a method for species distribution modelling. Using virtual species and controlled environmental scenarios, we show ...


Fractal dimension of a transportation network and its relationship with urban growth: a study of the Dallas - Fort Worth area

Environment and Planning B: Planning and Design, Vol. 31, No. 6. (2004), pp. 895-911,


A city and its transportation network are both complicated systems. Fractal geometry provides an effective way to describe the complex property of geographical features. This paper uses a modified box-counting method to describe the fractal property of urban transportation networks. Assuming that human settlements of different sizes are all operated by the same growth procedure, this paper investigates the relationship between the mass size of cities and the complexity of their road systems. The results confirm that, as cities grow from ...


Acceleration of evolutionary spread by long-range dispersal

Proceedings of the National Academy of Sciences, Vol. 111, No. 46. (18 November 2014), pp. E4911-E4919,


[Significance] Pathogens, invasive species, rumors, or innovations spread much more quickly around the world nowadays than in previous centuries. The speedup is caused by more frequent long-range dispersal, for example via air traffic. These jumps are crucial because they can generate satellite “outbreaks” at many distant locations, thus rapidly increasing the total rate of spread. We present a simple intuitive argument that captures the resulting spreading patterns. We show that even rare long-range jumps can transform the spread of simple epidemics ...


  1. Ruiz GM, et al. (2000) Global spread of microorganisms by ships. Nature 408(6808):49–50.
  2. Suarez AV, Holway DA, Case TJ (2001) Patterns of spread in biological invasions dominated by long-distance jump dispersal: Insights from argentine ants. Proc Natl Acad Sci USA 98:1095–1100.
  3. Brockmann D, Hufnagel L, Geisel T (2006) The scaling laws of human travel. Nature 439:462–465.
  4. Gonzalez M, Hidalgo C, Barabási A (2008) Understanding individual human mobility patterns.

Fourth class of convex equilateral polyhedron with polyhedral symmetry related to fullerenes and viruses

Proceedings of the National Academy of Sciences, Vol. 111, No. 8. (25 February 2014), pp. 2920-2925,
Keywords: mathematics   networks   topology  


[Significance] The Greeks described two classes of convex equilateral polyhedron with polyhedral symmetry, the Platonic (including the tetrahedron, octahedron, and icosahedron) and the Archimedean (including the truncated icosahedron with its soccer-ball shape). Johannes Kepler discovered a third class, the rhombic polyhedra. Some carbon fullerenes, inorganic cages, icosahedral viruses, protein complexes, and geodesic structures resemble these polyhedra. Here we add a fourth class, “Goldberg polyhedra.” Their small (corner) faces are regular 3gons, 4gons, or 5gons, whereas their planar 6gonal faces are equilateral ...


Statistical mechanics of complex networks

Reviews of Modern Physics, Vol. 74, No. 1. (Jan 2002), pp. 47-97,


Complex networks describe a wide range of systems in nature and society. Frequently cited examples include the cell, a network of chemicals linked by chemical reactions, and the Internet, a network of routers and computers connected by physical links. While traditionally these systems have been modeled as random graphs, it is increasingly recognized that the topology and evolution of real networks are governed by robust organizing principles. This article reviews the recent advances in the field of complex networks, focusing on ...


Morphological segmentation of binary patterns

Pattern Recognition Letters, Vol. 30, No. 4. (01 March 2009), pp. 456-459,


This paper presents a method for segmenting binary patterns into seven mutually exclusive categories: core, islet, loop, bridge, perforation, edge, and branch. This is achieved by applying a series of morphological transformations such as erosions, geodesic dilations, reconstruction by dilation, anchored skeletonisation, etc. The proposed method depends on a single parameter only and can be used for characterising binary patterns with emphasis on connections between their parts as measured at varying analysis scales. This is illustrated on two examples related to ...


Mapping spatial patterns with morphological image processing

Landscape Ecology In Landscape Ecology, Vol. 22, No. 2. (1 February 2007), pp. 171-177,


We use morphological image processing for classifying spatial patterns at the pixel level on binary land-cover maps. Land-cover pattern is classified as ‘perforated,’ ‘edge,’ ‘patch,’ and ‘core’ with higher spatial precision and thematic accuracy compared to a previous approach based on image convolution, while retaining the capability to label these features at the pixel level for any scale of observation. The implementation of morphological image processing is explained and then demonstrated, with comparisons to results from image convolution, for a forest ...


A software tool dedicated to the modelling of landscape networks

Environmental Modelling & Software, Vol. 38 (December 2012), pp. 316-327,


Since landscape connectivity reflects a basic form of interaction between species and their environment, the modelling of landscape networks is currently an important issue for researchers in ecology and practitioners of landscape management alike. Graph-based modelling has recently been shown to be a powerful way of representing and analysing landscape networks. Graphab 1.0 is designed as a package integrating a complete set of connectivity analysis functions. The application can build graphs from a given landscape map by exploring several possibilities for ...

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Integrated Natural Resources Modelling and Management - Meta-information Database.

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Meta-information Database (INRMM-MiD).
This database integrates a dedicated meta-information database in CiteULike (the CiteULike INRMM Group) with the meta-information available in Google Scholar, CrossRef and DataCite. The Altmetric database with Article-Level Metrics is also harvested. Part of the provided semantic content (machine-readable) is made even human-readable thanks to the DCMI Dublin Core viewer. Digital preservation of the meta-information indexed within the INRMM-MiD publication records is implemented thanks to the Internet Archive.
The library of INRMM related pubblications may be quickly accessed with the following links.
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Full-text and abstracts of the publications indexed by the INRMM meta-information database are copyrighted by the respective publishers/authors. They are subject to all applicable copyright protection. The conditions of use of each indexed publication is defined by its copyright owner. Please, be aware that the indexed meta-information entirely relies on voluntary work and constitutes a quite incomplete and not homogeneous work-in-progress.
INRMM-MiD was experimentally established by the Maieutike Research Initiative in 2008 and then improved with the help of several volunteers (with a major technical upgrade in 2011). This new integrated interface is operational since 2014.