Results 51 to 60 of about 320 (204)

Linking regional and global functional trait data: insights from mammal communities in a fragmented Atlantic Forest landscape

Oikos, EarlyView.
Accurate functional trait data are essential for understanding ecosystem services and processes in fragmented landscapes. We evaluated whether the global EltonTraits 1.0 database adequately represents the functional structure of mammal communities in forest fragments and restoration sites in a highly fragmented Atlantic Forest landscape.
Maria F. R. Godoi, Fábio Z. Farneda, Alan D. Pereira, Marcos Akira‐ Umeno, Fernanda C. Marques, Marcos Robalinho Lima   +5 more
wiley   +1 more source

A Novel Technique for Predicting the Thermal Behavior of Stratospheric Balloon

International Journal of Aerospace Engineering, 2018
This paper is devoted to introduce a novel method of the operational matrix of integration for Legendre wavelets in order to predict the thermal behavior of stratospheric balloons on float at high altitude in the stratosphere.
Yunpeng Ma, Jun Huang, Mingxu Yi
doaj   +1 more source

Temporal community change in stream ecosystems varies by assemblage across US climates

Functional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Ecosystem properties are temporally dynamic. Temporal variability has been shown to decrease with increasing levels of biological organization (i.e. from population to community and ecosystem levels).
Megan C. Malish, Stephen C. Cook, Mariana Perez Rocha, Albert Ruhí, Michael T. Bogan, Thomas M. Neeson, Daniel C. Allen   +6 more
wiley   +1 more source

Application of Legendre wavelets for solving fractional differential equations

Computers & Mathematics with Applications, 2011
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Jafari, H., Yousefi, S.A., Firoozjaee, M.A., Momani, S., Khalique, C.M.   +4 more
openaire   +1 more source

SOLUTION OF HIGHER ORDER VOLTERRA INTEGRO-DIFFERENTIAL EQUATIONS BY LEGENDRE WAVELETS [PDF]

International Journal of Apllied Mathematics, 2015
The numerical solution of \(m\)th-order nonlinear Volterra integro-differential equations with two-point boundary conditions is obtained by using a collocation method based on the Legendre wavelets. The collocation points are the zeros of the Chebyshev polynomials and the Gaussian integration formula is applied.
Chandel, Raghvendra S., Singh, Amardeep, Chouhan, Devendra   +2 more
openaire   +2 more sources

Mammalian herbivory indirectly shapes savanna arthropod communities but only at very low or high levels

Journal of Animal Ecology, EarlyView.
This study investigates how large mammalian herbivores shape arthropod communities in African savannas, using a broad gradient of herbivory types and intensities to assess these effects under real‐world, non‐experimental conditions. Abstract Savanna ecosystems support unique biodiversity and provide livelihoods for millions of people.
Bjoern Erik Matthies, Nicola Stevens, Jane K. Hill, Bosco Leturuka, Margaret Njuguna, Lucy K. Smyth, Matthew S. Rogan, Catherine W. Machungo, Jonathan E. M. Baillie, Jafford N. Rithaa, Catherine L. Parr   +10 more
wiley   +1 more source

Nonlinear Integro-Differential Equations

Journal of Mathematical Extension, 2010
. In this paper,the continuse Legendre wavelets constructed on the interval [0, 1] are used to solve the nonlinear Fredholm integrodifferential equation.
S. Mahdavi∗, M. Tavassoli Kajani
doaj  

Eco‐evolutionary dynamics of partially migratory metapopulations in spatially and seasonally varying environments

Journal of Animal Ecology, EarlyView.
Partial seasonal migration is rarely considered in a metapopulation context. Here, Haaland et al. use an eco‐evolutionary model revealing how partially migratory metapopulations may arise and be maintained, and how seasonal migrants may cause effects of local extreme climatic events to percolate through metapopulations across diverging temporal and ...
Thomas R. Haaland, Ana Payo‐Payo, Paul Acker, Rita Fortuna, Sarah J. Burthe, Irja I. Ratikainen, Francis Daunt, Jane M. Reid   +7 more
wiley   +1 more source

A new Legendre wavelets decomposition method for solving PDEs

Malaya Journal of Matematik, 2014
In this paper, we present a novel technique based on the Legendre wavelets decomposition. The properties of Legendre wavelets are used to reduces the PDEs problem into the solution of ODEs system. To illustrate our results, two examples are studied using a special software package which implements the proposed algorithms.
Naima Ablaoui-Lahmar, Omar Belhamiti, Sidi Mohammed Bahri   +2 more
openaire   +1 more source

Residual permutation tests for feature importance in machine learning

British Journal of Mathematical and Statistical Psychology, EarlyView.
Abstract Psychological research has traditionally relied on linear models to test scientific hypotheses. However, the emergence of machine learning (ML) algorithms has opened new opportunities for exploring variable relationships beyond linear constraints.
Po‐Hsien Huang
wiley   +1 more source