Results 71 to 80 of about 533,318 (255)

Partial recovery of large seed arrival following ecological restoration in fragmented tropical rainforests

open access: yesOikos, EarlyView.
Forest restoration success depends crucially on the reinitiation of ecological processes such as seed arrival that drive natural regeneration. We know little about whether, by increasing and diversifying local seed sources to alleviate seed limitation, and attracting animal frugivores to alleviate dispersal limitation, restoration could shift seed ...
Aparna Krishnan   +6 more
wiley   +1 more source

A Estrada de Ferro: crescimento econômico e urbano num município brasileiro do Sul de Minas Gerais – Varginha, 1882-1920

open access: yesRevista Tiempo & Economía, 2018
Entre o final do século XIX e o início do século XX, diferentes regiões do Brasil passaram por transformações sociais, urbanas e econômicas. Tais transformações tiveram como motor, dentre outros, um importante serviço, meio de transporte e de comunicação:
Natânia Silva Ferreira
doaj   +1 more source

Bounds on the α-Distance Energy and α-Distance Estrada Index of Graphs

open access: yesDiscrete Dynamics in Nature and Society, 2020
Let G be a simple undirected connected graph, then DαG=αTrG+1−αDG is called the α-distance matrix of G, where α∈0,1, DG is the distance matrix of G, and TrG is the vertex transmission diagonal matrix of G.
Yang Yang, Lizhu Sun, Changjiang Bu
doaj   +1 more source

Ancient people and living nature: A global perspective on archaeological areas and biodiversity

open access: yesPeople and Nature, EarlyView.
Abstract Archaeological sites are not only of cultural and historical significance but also contribute to biodiversity conservation. Often marked by limited human disturbance and distinct ecological conditions, these areas serve as important refuges for various plant and animal species, playing a vital role in global conservation efforts.
Antonio Romano   +3 more
wiley   +1 more source

Seidel-Estrada index

open access: yesJournal of Inequalities and Applications, 2016
Let G be a simple graph with n vertices and ( 0 , 1 ) $(0,1)$ -adjacency matrix A. As usual, S ( G ) = J − 2 A − I $S(G)=J-2A-I$ denotes the Seidel matrix of the graph G. Suppose θ 1 , θ 2 , … , θ n $\theta_{1}, \theta_{2},\ldots, \theta_{n}$ and λ 1 , λ
Jalal Askari   +2 more
doaj   +1 more source

Fernando Estrada

open access: yesDebate Feminista, 1992
Fernando ...
openaire   +2 more sources

On the Estrada and Laplacian Estrada indices of graphs

open access: yesLinear Algebra and its Applications, 2011
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Du, Zhibin, Liu, Zhongzhu
openaire   +1 more source

Geography of race and income shape spatial data gaps in two national participatory science projects

open access: yesPeople and Nature, EarlyView.
Abstract Context and Need: Participatory projects where people contribute geo‐referenced biodiversity data, like eBird and iNaturalist, are commonly used tools to enhance the data collection capacity for research, management, and environmental learning. Despite their utility, demographic disparities in participation, demographic patterns of residential
Deja Perkins   +3 more
wiley   +1 more source

Housing Policy: Developing a Market-based Housing Finance System [PDF]

open access: yes
With housing policy declared as a priority policy concern of the Estrada administration, it is only logical to expect that an effective and sustainable housing finance system to put more teeth into such pronouncement is set in place.
Basilio, Leilanie Q.   +1 more
core  

Home - About - Disclaimer - Privacy