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 10 of 10 for “"Land snails"”.
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Modern radiocarbon offsets within the land snails Cyclophorus: a tropical karst case study from Northern Vietnam
This thesis forms part of the SUNDASIA project on the archaeology of the UNESCO World Heritage Site Tràng An (Ninh Bình, Northern Vietnam), a tower karst area of high endemism and habitat insularity. Archaeological sites in the region contain abundant shell middens, composed mainly of terrestrial …
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Land snail species diversity and composition between different forest disturbance regimes in central and eastern Kentucky Forests
<p>Land snails are cornerstone organisms that contribute to properly functioning ecosystems. However, habitat loss and destruction have led to these organisms being one of the most imperiled groups on the planet. Due to their relatively sedentary nature, land snails can be susceptible to …
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Taxonomia, morfologia e distribuição geográfica das espécies incluídas em Hypselartemon Wenz, 1947 (Mollusca, Gastropoda, Pulmonata, Streptaxidae)
… Streptaxidae family, constituted by carnivorous land snails molluscs, has circuntropical distribution and is strongly represented in Brazil, with an estimative of 60 living species described. Taxonomic and morphological problems embracing the Brazilian species are still common, making the …
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Bio-inspired fluid locomotion
… for both Newtonian and non-Newtonian fluids: Robosnails 1 and 2, which operate on a lubrication layer, and the three-link swimmer which moves in an unbounded fluid. Robosnail 1 utilizes lubrication pressures generated in a Newtonian fluid under a steadily undulating foot to propel itself forward. …
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A Study Of The Gastropoda Of Fontenelle Forest
… following study. A checklist of the terrestrial snails of Nebraska is not available and a search of the literature revealed little information on the gastropods of Nebraska. Walker (1906) listed a number of species collected from Omaha and from Cherry County. The species listed from the Omaha …
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The potential of restored landfill sites for biodiversity conservation in the UK
… UK Biodiversity Action Plan. Newly created grasslands on restored landfill sites are semi-natural habitats that could support a number of species. However, it is unknown whether these re-created habitats represent a significant resource in terms of biodiversity conservation though poor quality …
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Comparative analysis of wild and long term captive bred Partula snails using morphometrics and population data
Partula snails are one genus of the Partulidae family of air breathing, land snails that are endemic to the Pacific Islands. Over 100 partulid species are recognised with over half these species known to have existed and endemic to the Society Islands (within the Pacific islands). It is thought …
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PROTEIN PURIFICATION FROM GASTROPODS
… within the mollusks, commonly known as snails and slugs. Recently, scientific interest is directed on snails as pollution indicators, as destroyers of crops, but also as parasites carriers. Furthermore, some species of snails are considered as an important human food source in countries …
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Biostratigraphy and palaeolimnology of late-glacial and holocene lake marls at Quidenham Mere, Norfolk.
… Late-glacial interstadial. This soil contains land snails, such as Punctum pygmaeum and Vertigo geyeri, whilst a fragment of wood has yielded a date of 11,385 � 75 yr B.P. The Younger Dryas has been difficult to distinguish palynologically but can be defined by the marked decline in values of …
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Reconstructing Australia’s late Quaternary climate from the geochemistry of lake sediments and snail shells
… climate variability is not only important for land use and management, but also has global relevance, due to Australia’s contribution to the global terrestrial carbon budget. Measurements of Australian temperature and rainfall only extend back to the early 20th century, and hence do not capture …