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 18 of 18 for “"ichthyology"”.
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Monofiletismo de Erythrinidae (Teleostei, Characiformes): discussão das sinapomorfias e outros caracteres diagnósticos
… in studies regarding different areas of the ichthyology. However, this group was only properly recognized as a natural unit (monophyletic group sensu Hennig, 1966) in the early nineties. Approximately 50 characters (or characters states) previously hipothetized as "diagnostic" (in a phenetic …
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The exploitation of fish during the Holocene in the South-Western Cape, South Africa
… Chapter One is an introductory account of ichthyology, its usefulness in archaeological research and the range of analytical work done in South Africa, whilst Chapter Two is an attempt to show the history and development of the study of fish bones recovered from prehistoric sites in South …
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Distributional Modeling Of Rare Fishes And Mussels: From Ecological Theory To Biodiversity Conservation
… Over the course of three years, the SIUC Ichthyology Lab built an occurrence dataset of Kentucky fishes consisting of more than 50,000 records dating back to the 1890s. Each record contains three pieces of information (1) species identification, (2) georeferenced locality, and (3) date of …
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Taxonomic Revision of the Pirate Perches (Percopsiformes: Aphredoderidae) Reveals Three New Species and Elevates Two Subspecies
The Southeastern United States is home to exceptionally high fish diversity among temperate latitudes. Species richness and endemism in this region is commonly attributed to historic biogeographic processes dating back to the Pliocene or earlier, and influences of sea levels through a relatively …
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Faecal Sediments as Bio-Archives: The Fish Event Horizon in the Low Countries
This thesis addresses the ongoing uncertainties regarding change in fish exploitation in the Low Countries (present day Belgium and the Netherlands) during the medieval and Post-Medieval periods (AD 500 – 1900). In this thesis, I complete a systematic review of ichthyological remains and fish …
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A Test of Rad Capture Sequencing on Ethanol-Preserved Centennial and Contemporary Specimens of Philippine Fishes
<p>Understanding the relationship between ecological characteristics and genetic change in natural populations in different time scales can reveal how anthropogenic stressors affect natural populations and can improve the success of conservation strategies. The purpose of the Philippines …
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Studio sul lessico del mare in volgare siciliano
Nella presente tesi viene proposto un insieme di schede lessicografiche basate sul lessico marinaresco e peschereccio attestato nel siciliano antico e configurabili come proposte di voce per il Vocabolario del Siciliano Medievale (VSM). L’interesse per le parole del mare, infatti, nasce dalle …
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From micro to macro: the benefits and pitfalls of environmental generalism on coral reefs in the Anthropocene
As warming ocean temperatures culminate in large-scale mortality events across tropical, temperate, and deep-water reefs, a shift in environmental norms across marine ecosystems is causing species to expand into otherwise marginal environments. This widespread ecosystem restructuring raises the …
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Restoring and valuing global kelp forest ecosystems
Kelp forests cover ~30% of the world’s coastline and are the largest biogenic marine habitat on earth. Across their distribution, kelp forests are essential for the healthy functioning of marine ecosystems and consequently underpin many of the benefits coastal societies receive from the ocean. …