Results 191 to 200 of about 5,692 (227)

Non-Native Plants Alter Bird-Plant Frugivory Network Structure in a Human-Modified Tropical Landscape. [PDF]

open access: yesEcol Evol
Fell A   +6 more
europepmc   +1 more source

Selective extinction and habitat nestedness are the main drivers of lizard nestedness in the Zhoushan Archipelago

open access: yesEnvironmental Epigenetics, 2022
Abstract Nested subset pattern (nestedness) is an important part of the theoretical framework of island biogeography and community ecology. However, most previous studies often used nestedness metrics or randomization algorithms that are vulnerable to type I error. In this study, we investigated the nestedness of lizard assemblages on 37
Chengxiu Zhan   +2 more
exaly   +3 more sources

The relationship between species replacement, dissimilarity derived from nestedness, and nestedness [PDF]

open access: yesGlobal Ecology and Biogeography, 2012
ABSTRACTAim  Beta diversity can be partitioned into two components: dissimilarity due to species replacement and dissimilarity due to nestedness (Baselga, 2010, Global Ecology and Biogeography, 19, 134–143). Several contributions have challenged this approach or proposed alternative frameworks.
Andres Baselga
exaly   +2 more sources
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Sequential quaternions: Nestedness and applications

Asian-European Journal of Mathematics, 2022
In this paper, we define a function [Formula: see text] which gives the sequence of partial sums of the Fibonacci quaternion sequence [Formula: see text]. We provide an identity about [Formula: see text] which is the sequence obtained by applying [Formula: see text] to [Formula: see text] [Formula: see text]-times.
Gonca Kizilaslan, Ilker Akkus
openaire   +2 more sources

Nestedness in complex networks: Observation, emergence, and implications [PDF]

open access: yesPhysics Reports, 2019
The observed architecture of ecological and socio-economic networks differssignificantly from that of random networks. From a network science standpoint, non-random structural patterns observed in real networks call for an explanation of their emergence ...
Manuel Sebastian Mariani   +2 more
exaly   +2 more sources

On the meaning and measurement of nestedness of species assemblages

Oecologia, 1992
Nestedness of species assemblages occurs when thebiotas of sites with lower numbers of species tend to be subsets of the biotas at richer sites. We develop new quantitative and statistical techniques for measuring, testing, and comparing nestedness, and apply these methods to data from the literature.
Jaxk H Reeves
exaly   +3 more sources

Scaling of nestedness in complex networks [PDF]

open access: yesJournal of the Korean Physical Society, 2012
Nestedness characterizes the linkage pattern of networked systems, indicating the likelihood that a node is linked to the nodes linked to the nodes with larger degrees than it. Networks of mutualistic relationship between distinct groups of species in ecological communities exhibit such nestedness, which is known to support the network robustness ...
Deok-Sun Lee   +2 more
exaly   +3 more sources

Nestedness of flea assemblages harboured by small mammalian hosts revisited: phylogenetic and functional nestedness do not follow compositional nestedness

Parasitology Research
We studied compositional, phylogenetic, and functional nestedness in the flea assemblages of 14 host species across regions. Our main questions were (a) are a host's flea assemblages compositionally, phylogenetically, or functionally nested? (b) Do similar processes drive these nestedness facets?
Boris R, Krasnov   +2 more
openaire   +2 more sources

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