Results 51 to 60 of about 1,251,266 (177)
Genetic origins and climate‐induced erosion in economically important Asian walnuts
Conservation Biology, Volume 40, Issue 1, February 2026.Abstract The global climate is undergoing unprecedented changes, posing significant threats to species persistence. However, the spatiotemporal impacts on genetic diversity remain poorly understood, hindering species conservation and management. Walnuts, generally referred to as Juglans regia and J. sigillata, are economically vital in Asia, but little
Peng‐Zhen Fan +17 more
wiley +1 more source
Revista de Biología Tropical, 2008 The vertical distribution of meiofauna within subtidal sediments was studied in four stations pertaining to mangrove or muddy flats habitats. In 2003, replicated samples were taken in dry (February) and wet (July) seasons at the Bacunagua Inlet ...
M Armenteros +3 more
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Latin American Journal of Aquatic Research, 2009 Biogeographic distributional patterns of gastropods are proposed based on the species' geo-graphic and bathymetric distribution. Samples were collected along the Brazilian continental margin between 18° S and 23° S, at 37 stations with depths from 20 m ...
Gabriela Benkendorfer +1 more
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Recent trends in Spanish Income Distribution: A Robust Picture of Falling Income Inequality. [PDF]
Income distribution in Spain has experienced a substantial improvement towards equalisation during the second half of the seventies and the eighties; a period during which most OECD countries experienced the opposite trend.
Josep Oliver Alonso +2 more
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¿Existen migraciones verticales en el zooplancton de la Laguna de Los Padres?
Biología Acuática, 2019 Diel vertical migration is a widely studied phenomenon occurring specially in marine and well stratified continental systems. The aim of this work was to study the spatial distribution of zooplankters in a «pampasic» shallow lake and to look for the ...
Paula Weigand, Alicia H. Escalante
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Distribución vertical de epífitas y su filogenia en un bosque mesófilo de montaña de Tamaulipas
Revista Mexicana de Ciencias Forestales, 2018 El bosque mesófilo de montaña en la Reserva de la Biósfera El Cielo se localiza cerca de su límite de distribución boreal. Las plantas epífitas son un componente importante de la biodiversidad de estos bosques, aunque son poco estudiados. En este trabajo
Arturo Mora-Olivo +4 more
doaj +1 more source
Strategic vertical integration without foreclosure [PDF]
We determine the endogenous degree of vertical integration in a model of successive oligopoly that captures both efficiency gains and strategic effects.
Avenel, Eric
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ESTRUCTURA Y DIVERSIDAD DE LA VEGETACIÓN ARBÓREA DEL PARQUE ESTATAL AGUA BLANCA, MACUSPANA, TABASCO
Ecosistemas y Recursos Agropecuarios, 2014 Se analizó la estructura y diversidad de especies arbóreas en cuatro unidades de muestreo (UM) de 50 x 50 m (0.25 ha) cada una establecidas al azar en la porción centro-oeste del Parque Estatal Agua Blanca (PEAB), Macuspana, Tabasco.
VM Zarco-Espinosa +3 more
doaj +1 more source
Vertical integration, market foreclosure and quality investment [PDF]
, 2006 Incentives to vertically integrate are studied in an industry where downstream firms are vertically differentiated. Vertical integration by one of the firms increases production costs for the rival.
Roberto Hernan +3 more
core +1 more source
Biología Acuática, 2019 Se investigaron las distribuciones vertical y horizontal de zooplancton en la zona litoral de la laguna San Miguel del Monte (Buenos Aires, Argentina) en cinco ocasiones con una escala de tiempo de diaria (24 h) en verano. Se registraron sesenta especies
Hernán Hugo Benítez +1 more
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