Journal ArticleDOI
Biometry: the principles and practice of statistics in biological research 2nd edition.
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TLDR
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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Journal ArticleDOI
Effects of light and intraspecific competition on growth and crown morphology of two size classes of understory balsam fir saplings
TL;DR: It is suggested that live crown ratio, apical dominance ratio and the number of internodal branches can provide, alone or in combination, useful indicators of vigour for understory fir.
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The evolution of tolerance to damage in Gentianella campestris: natural selection and the quantitative genetics of tolerance
TL;DR: The present study demonstrates the potential importance of cross-treatment genetic correlations in directing the evolution of tolerance traits, such as branch or node production, and did not find any strong evidence of genetic trade-offs in candidate tolerance traits between undamaged and damaged conditions.
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Competition between Vibrio fischeri strains during initiation and maintenance of a light organ symbiosis.
Kyu-Ho Lee,Edward G. Ruby +1 more
TL;DR: A difference in luminescence phenotype between VL and NVL strains in culture is not likely to be significant in the symbiosis, but it has helped identify two distinct groups of V. fischeri that express different colonization capabilities in the squid light organ.
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Succession of hydrocarbon seep communities associated with the long-lived foundation species Lamellibrachia luymesi
Erik E. Cordes,Erik E. Cordes,Stéphane Hourdez,Benjamin L. Predmore,Meredith L. Redding,Charles R. Fisher +5 more
TL;DR: The role of hydrogen sulfide in this seep habitat and the effect that the hypothesized reduction of epibenthic sulfide concentration by L. luymesi would have on the associated community are demonstrated.
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Physiological integration in an introduced, invasive plant increases its spread into experimental communities and modifies their structure.
TL;DR: In this paper, a greenhouse study was conducted to test the invasiveness of introduced plants and found that integration between connected individuals (ramets) of clonal plants may contribute to their ability to spread into communities and reduce performance of existing species.