Variation in root morphology of epiphytic orchids along small-scale and large-scale moisture gradients
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چکیده
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simulation and experimental studies for prediction mineral scale formation in oil field during mixing of injection and formation water
abstract: mineral scaling in oil and gas production equipment is one of the most important problem that occurs while water injection and it has been recognized to be a major operational problem. the incompatibility between injected and formation waters may result in inorganic scale precipitation in the equipment and reservoir and then reduction of oil production rate and water injection rate. ...
Large-scale assessment of regeneration and diversity in Mediterranean planted pine forests along ecological gradients
Aim There is increasing concern regarding sustainable management and restoration of planted forests, particuIarly in the Mediterranean Basin where pine species have been widely used. The aim of this study was to analyse the environmental and structural characteristics of Mediterranean planted pine forests in relation to natural pine forests. Specifically, we assessed recruitment and woody speci...
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Recent advances in mapping cortical areas in the human brain provide a basis for investigating the significance of their spatial arrangement. Here we describe a dominant gradient in cortical features that spans between sensorimotor and transmodal areas. We propose that this gradient constitutes a core organizing axis of the human cerebral cortex, and describe an intrinsic coordinate system on i...
متن کاملSmall-scale copy number variation and large-scale changes in gene expression.
The expression dynamics of interacting genes depends, in part, on the structure of regulatory networks. Genetic regulatory networks include an overrepresentation of subgraphs commonly known as network motifs. In this article, we demonstrate that gene copy number is an omnipresent parameter that can dramatically modify the dynamical function of network motifs. We consider positive feedback, bist...
متن کاملEpiphytic macrolichen communities along regional gradients in northern Norway
Question: What are the relative influences of human impact, macroclimate, geographic location and habitat related environmental differences on species composition of boreal epiphytic macrolichen communities? Location: Troms county in northern Norway. Methods: Detrended Correspondence Analysis revealed the main gradient structure in lists of epiphytic macrolichen species from deciduous forests. ...
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ژورنال
عنوان ژورنال: Acta Botanica Brasilica
سال: 2020
ISSN: 1677-941X,0102-3306
DOI: 10.1590/0102-33062019abb0198