Journal ArticleDOI
Biometry: the principles and practice of statistics in biological research 2nd edition.
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The book aims to instill in students an ability to think through biological research problems in such a way as to grasp the essentials of the experimental or analytical setup to know which types of statistical tests to apply in a given case and to carry out the computations required.Abstract:
This text develops the science of biometry from an elementary introduction up to the advanced methods necessary for biological research and for an understanding of the published literature. This text is aimed primarily at the academic biologist including general zoologists botanists microbiologists geneticists and physiologists in universities research institutes and museums. This book while furnishing ample directions for the analysis of experimental works also stresses the descriptive and analytical statistical study of biological phenomena. It is intended both as a text to accompany a lecture course and as a complete course for self-study. The book aims to instill in students an ability to think through biological research problems in such a way as to grasp the essentials of the experimental or analytical setup to know which types of statistical tests to apply in a given case and to carry out the computations required. Chapters cover biological data data handling descriptive statistics probability estimation and hupothesis testing analysis of variance linear regression correlation multiple and curvilinear regression analysis of frequencies and miscellaneous methods.read more
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Representational models: A common framework for understanding encoding, pattern-component, and representational-similarity analysis.
TL;DR: A common mathematical framework is developed for understanding the relationship of these three methods, which share one core commonality: all three evaluate the second moment of the distribution of activity profiles, which determines the representational geometry, and thus how well any feature can be decoded from population activity.
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Phosphorus depletion and pH decrease at the root–soil and hyphae–soil interfaces of VA mycorrhizal white clover fertilized with ammonium
TL;DR: The results demonstrate that, similarly to roots, hyphae of VA mycorrhizal fungi have the ability to form a P depletion zone and a zone of altered pH in the adjacent soil.
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Evidence of food-based competition among passerine migrants during stopover
Frank R. Moore,Wang Yong +1 more
TL;DR: Results of a predator-exclosure experiment indicate that intercontinental passerine migrants depress food abundance during stopover following migration across the Gulf of Mexico.
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Ecosystem-specific selection pressures revealed through comparative population genomics.
TL;DR: This work quantifies heterogeneity in gene content for two model marine microbes, Prochlorococcus and Pelagibacter, within and between populations in the Atlantic and Pacific Oceans to begin to understand the selective pressures that are shaping these “population genomes.”
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How soil-borne pathogens may affect plant competition
TL;DR: Suggestions that soil pathogen-driven competition may be an important mechanism in species replacement in coastal foredune vegetation are supported.