Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 9 of 9 for “"diaspore"”.
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Evolution of life history strategies in Lophoziaceae
… and reproductive system (sexuality) and between diaspore (spore or gemma) frequency and sexuality. Data from the field were used to establish diaspore (spore and gemma) sizes and their production per capsule or shoot and to test for relationships between diaspore size and production per …
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Evolution of life history strategies in Lophoziaceae
… and reproductive system (sexuality) and between diaspore (spore or gemma) frequency and sexuality. Data from the field were used to establish diaspore (spore and gemma) sizes and their production per capsule or shoot and to test for relationships between diaspore size and production per …
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ΣΥΜΒΟΛΗ ΣΤΗ ΒΕΛΤΙΣΤΟΠΟΙΗΣΗ ΤΗΣ ΕΚΧΥΛΙΣΗΣ ΤΟΥ ΔΙΑΣΠΟΡΙΚΟΥ ΒΩΞΙΤΗ
… THREE DISTINCT MINERALS: GIBBSITE, BOEMITE, AND DIASPORE. THE LEACHING CONDITIONS DEPEND ON THE MINERALOGY OF THE BAUXITES. THE DIASPORIC BAUXITES NEED STRONGER LEACHING CONDITIONS THAN THE OTHER TYPES OF BAUXITES. THE AIM OF THIS WORK WAS TO STUDY THE MAIN VARIABLES WHICH HAVE AN EFFECT ON THE …
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Ground Layer Response to Disturbance in the Pine-Dominated Eastern Foothill Region of West-Central Alberta, Canada
… plant species richness, 3) plant abundance, 4) diaspore availability, 5) environmental limiting factors, 6) moss and lichen establishment. In 1997, three timber companies were involved in selective tree removal at three different stand percentages (20/40/60%), however, these were not consistent …
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Exploring Siderophore-Mineral Interaction Using Force Microscopy and Computational Chemistry
… and the minerals goethite (FeOOH) and diaspore (AlOOH) in solution using force microscopy. Azotobactin was covalently linked to a hydrazide terminated atomic force microscope tip using a standard protein coupling technique. Upon contact with each mineral surface, the adhesion force …
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Adequação da metodologia para testes bioquímicos em diásporos de schinopsis brasiliensis engler.
… conductivity and lixiviation of potassium in diaspores of Schinopsis brasiliensis Engler. This work was conducted at the Seed Analysis Laboratory of the Center for Agricultural Sciences, Federal University of Paraíba. The seeds were processed and separated into two treatments: no scarified …
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Interactions between ants and diaspores of flowering plants (myrmecochory) in Sicily (Southern Italy): an important ecosystem function of the Mediterranean basin
… ad eccezione dell Antartide, attraverso le loro diaspore sessuali (semi o frutti + appendici esterne nutritive: gli elaiosomi), con almeno 200 specie di Hymenoptera Formicidae (appartenenti a 47 generi) studiati (ma si può supporre che questo numero sia dell ordine di migliaia di specie). I …
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Ecological Conservatism and Traits Predict Introduction Risk and Co-Occurrence for the Flora of Chicago
… with C-score while breeding system and diaspore mass were not. In chapter 2, we examine what traits are associated with non-native introduction and post introduction invasion. We found that tolerance to both a wide range of climates and to anthropogenic disturbance predicted introduction …
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Measurement of hydrolysis, polymerization and complexation in dilute aluminum solutions
… has a structure consistent with boehmite and diaspore. This structure differs from the linear single chain and ring based polynuclear structures by the presence of rows of three coordinated oxygens in the bond central chain and rows of two and one coordinated oxygens along the plane edges. A …