Global ETD Search
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Showing 1 to 11 of 11 for “"occupancy modelling"”.
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Fast and efficient approaches to large-scale occupancy models
Bayesian occupancy models are important statistical tools that are used to investigate species range dynamics, species interactions as well as undercover key biological processes that drive occupancy (and detection) in a particular region. The results from these models are used to answer pressing …
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Bird's response to seasonality: investigating the range dynamics of birds through dynamic occupancy models
… strategies. In this study, I used dynamic occupancy models on the South African Bird Atlas Project 2 (SABAP 2) data to investigate the seasonal range dynamics of a selection of five migratory and six nomadic bird species in western South Africa. In the context of this study, seasonal range …
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Comparing fine-scale temporal environmental DNA (eDNA) sampling to camera trapping for detecting mammalian carnivores
… in the first. Detection probabilities (using occupancy modelling) were largely similar for carnivores when using eDNA and camera traps. The successful detection of multiple carnivores within this study has shown how temporal eDNA sampling can provide rich and robust presence-absence data which …
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Zooming in on human-wildlife coexistence: primate community responses in a shared agroforest landscape in Guinea-Bissau
… I use arboreal and terrestrial camera trap occupancy modelling across the landscape to investigate patterns of occurrence of seven primate species. Based on the landscape of fear concept, in Part 2 I combine camera trap based-Bayesian spatiotemporal models with interview data to investigate …
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A camera trap assessment of factors influencing leopard (Panthera pardus) habitat use in the Nouabalé-Ndoki National Park, Republic of Congo
… and southern cluster) within the NNNP using occupancy modelling. While there were no significant differences in mammalian species richness between the two clusters there was a higher relative abundance of the preferred prey species of leopards in the northern cluster. A total of 106 leopard …
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Peatland Afforestation: Effects and Restoration
… densities remain lower than in intact bogs. Occupancy modelling demonstrated persistent edge effects from adjacent forestry, hindering wader recovery decades after planting. Strategic removal or buffering of plantations emerged as a key management priority to mitigate these effects and …
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Addressing Insect Declines Via Biodiversity Monitoring, Ecological Restoration, and Population Genetics
… and fine-scale habitat characteristics influence occupancy and abundance of beetles in the families Scarabaeidae and Carabidae. Insects are often not included in restoration planning, and elucidating insect responses to restoration can enhance insect conservation. We found restoration practices …
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An occupant-centric assessment of the building performance gap in low utilisation, higher education facilities
… of energy consumption. In broader terms of occupancy, the observation is absent from the nature of consuming services' relationships with occupants and the activities that drive the second-order interests. That is, what constitutes as needs of one occupant is not necessarily equivalent of …
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Towards adaptive management of high-altitude grasslands: Ingula as a case study
… for fieldworkers. Chapter 5 presents random plot occupancy which records only detection - nondetection of birds during repeated plot surveys. This method accounts for observational and biological processes too and in addition implements rigorous statistical inferences to predict how birds respond …
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Evaluating the use of acoustic monitoring for surveying tropical birds
… in all habitats. Similarly, the multi-method occupancy models demonstrated that SRS yielded detection probabilities similar to or greater than those of point counts for nearly all species across all habitats, although a few important exceptions occur for species in which SRS performed better …
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Ecology of Tigers in Churia Habitat and a Non-Invasive Genetic Approach to Tiger Conservation in Terai Arc, Nepal
… to population density, habitat use, and prey occupancy and density, in the churia habitat of Chitwan National Park. This study also includes the first assessment of genetic diversity, genetic structure, and gene flow of tigers across the Terai Arc Landscape- Nepal. The Terai Arc Landscape …