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Essential Ocean Variables for Biogeochemical Observations

, 2019
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Essential variables in hypersubstitutions

Algebra Universalis, 2001
Given a type \(\tau = (n_i)_{i\in I}\), a hypersubstitution is a mapping \(\sigma \) which assigns to every \(n_i\)-ary operation symbol \(f_i\) an \(n_i\)-ary term \(\sigma (f_i)\). Such a mapping can be inductively extended to the set of all terms of type \(\tau \).
Denecke, Klaus-Dieter, Koppitz, Jörg
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Joint selection of essential pixels and essential variables across hyperspectral images

Analytica Chimica Acta, 2021
An approach is proposed and illustrated for the joint selection of essential samples and essential variables of a data matrix in the frame of spectral unmixing. These essential features carry the signals required to linearly recover all the information available in the rows and columns of a data set.
Ghaffari, Mahdiyeh, Omidikia, N., Ruckebusch, Cyril   +2 more
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Markov Chain Stochastic Parametrizations of Essential Variables

Multiscale Modeling & Simulation, 2010
Summary: We analyze the performance of a novel Markov chain stochastic modeling technique for the derivation of effective equations for a set of essential variables. This technique is an empirical approach where the right-hand side of the essential variables is modeled by a Markov chain.
Kawin Nimsaila, Ilya Timofeyev
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Essential biodiversity variables are not global

Biodiversity and Conservation, 2017
Recent initiatives have focused on biological diversity and the ecosystem services that it provides, and have proposed a series of “essential biodiversity variables,” as a means of describing and characterizing that diversity. Although such variables would shed considerable and interesting light on distribution of biodiversity-related dimensions, here,
A. Townsend Peterson, Jorge Soberón
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Chemical variability in the essential oil of Hyptis suaveolens

Phytochemistry, 2001
The essential oils of Hyptis suaveolens plants collected from 11 localities of the Brazilian Cerrado region were investigated by GC-MS. Sabinene, limonene, biclyclogermacrene, beta-phellandrene and 1,8-cineole were the principal constituents. The results were submitted to principal component and chemometric cluster analysis which allowed three groups ...
N R, Azevedo, I F, Campos, H D, Ferreira, T A, Portes, S C, Santos, J C, Seraphin, J R, Paula, P H, Ferri   +7 more
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Essential Biodiversity Variables and Essential Ecosystem Services Variables for the Implementation of Biodiversity Conservation and Sustainable Development Goals

2023
As nations design a framework and a process for implementing the new goals and targets set by the Convention on Biological Diversity (CBD), the question on how to report on the successes and failures of policy implementation is becoming more salient. In this paper, we demonstrate the potential role of Essential Biodiversity Variables (EBVs), Essential ...
HyeJin Kim, Laetitia Navarro, Patricia Balvanera, Jillian Campbell, Rebecca Chaplin-Kramer, Matthew Child, Simon Ferrier, Gary Geller, Mike Gill, Cornelia Krug, Katie Millette, Frank Muller-Karger, Henrique Pereira   +12 more
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