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 5 of 5 for “"Red List status"”.
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Exploring the past and the present in order to predict the future: herbarium specimens, field data and extinction probability for conservation managers
… Monitoring species for a trend in population reduction is particularly difficult when protected area management is faced with a large list of species under its custodianship. Exacerbating this problem is the current format of existing data and its accessibility to managers. Conservationists …
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Assessing the climate change vulnerability of reptile and amphibian species found in Table Mountain National Park
… of herpetofauna including the Critically Endangered Table Mountain ghost frog (Heleophryne rosei), Rose's mountain toadlet (Capensibufo rosei) and micro frog (Microbatrachella capensis), and the Endangered western leopard toad (Sclerophrys pantherina). Amphibian and reptile-specific assessment …
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A climate change vulnerability assessment of 58 Richtersveld plant species
… Northern Cape Province. This region has an incredible arid plant diversity, with both the highest succulent plant diversity and highest rate of endemism in an arid area, globally. It forms part of both a global biodiversity hotspot and a UNESCO world heritage site. However, it is already …
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Reproductive biology and ex situ conservation of the genus Restrepia (Orchidaeae)
… were found to produce fewer embryos compared to cross-pollinations. The operation of self-incompatibility (SI) was confirmed by the study of pollen tube growth which further confirmed the time interval between pollination and fertilisation. A time line from pollination/fertilisation to …
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Molecular phylogenetics, taxonomy and niche-based conservation risk assessment of Thesium L. (Santalaceae)
… The GCFR Thesium, including ecologicalspecialists and generalists, offers an appropriate system for evaluating both the correlates of range extent, specialisation and the relative extinction risks associated with both ecological strategies. Here, it is predicted that a combination of edaphic, …