Výsledky vyhledávání - "Velasco, Joel"

Dissertation/ Thesis

Nitrogen dynamics in integrated agricultural systems in central Mexico

Autor: Velasco, Joel

Smallholdings ( stocking density > livestock type > manure management. Whereas for N loss it was stocking density > livestock type > manure management > crop sequence. Higher productivity together with a more benign environmental impact could be atta

Externí odkaz: http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.510587

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Philosophy and the tree of life the metaphysics and epistemology of phylogenetic systematics

Autor: Velasco, Joel D.

Thesis (Ph.D.)-- University of Wisconsin--Madison, 2008.
Description based on print version record. Includes bibliographical references (p. 185-208).

Externí odkaz: http://catalog.hathitrust.org/api/volumes/oclc/301547478.html

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Akademický článek

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Report

Axiomatic opportunities and obstacles for inferring a species tree from gene trees

Autor: Steel, Mike, Velasco, Joel D.

The reconstruction of a central tendency `species tree' from a large number of conflicting gene trees is a central problem in systematic biology. Moreover, it becomes particularly problematic when taxon coverage is patchy, so that not all taxa are pr

Externí odkaz: http://arxiv.org/abs/1405.6258

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