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Topic

Occupancy

About: Occupancy is a research topic. Over the lifetime, 2757 publications have been published within this topic receiving 68288 citations.


Papers
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Journal ArticleDOI
TL;DR: The use of accurate and fine-grained occupancy information in building operation can, in addition to providing visualization of space use, provide worthwhile energy savings when the operation of lighting, heating, ventilation, and air-conditioning systems are tailored to actual building occupancy information as mentioned in this paper.

61 citations

Journal ArticleDOI
TL;DR: In this article, the authors used camera-trap data collected from 1,199 cameras across 20 study sites to estimate densities of male white-tailed deer (Odocoileus virginianus).
Abstract: Camera trapping is a powerful tool for studying mammal populations over large spatial scales. Density estimation using camera-trap data is a commonly desired outcome, but most approaches only work for species that can be individually recognized, and researchers studying most mammals are typically constrained to measures of site occupancy or detection rate. These 2 metrics are often used as measures of relative abundance and presumed to be related directly to animal density. To test this relationship, we estimated density, occupancy, and detection rate of male white-tailed deer (Odocoileus virginianus) using camera-trap data collected from 1,199 cameras across 20 study sites. Detection rate and density exhibited stronger positive linear correlation (r2 = 0.80) than occupancy and density (r2 = 0.27). When hunted and unhunted paired areas were compared, detection rate and density showed the same trend between paired sites 62.5% of the time compared to 87.5% for occupancy and density. In particular, agreement between estimates was lowest for pairs of sites that had the largest differences in surrounding housing density. Although it is clear occupancy and detection rate contain some information about density, models suggested different ecological relationships associated with the metrics. Using occupancy or detection rate as proxies for density may be particularly problematic when comparing between areas where animals might to move or behave differently, such as urban–wild interfaces. In such cases, alternate methods of density approximation are recommended.

60 citations

Journal ArticleDOI
TL;DR: In this article, the authors developed a new baseline model which is built upon the Lawrence Berkeley National Laboratory (LBNL) model but includes the use of building occupancy data, which can help us understand the influence of occupancy on energy use, improve energy baseline prediction by including the occupancy factor, reduce risks of measurement and verification, and facilitate investment strategies of energy efficiency retrofit.

60 citations

Journal ArticleDOI
TL;DR: A review of the literature pertaining to building occupancy detection, counting, and tracking – three areas under the umbrella of building occupancy estimation – is presented with a focus on mathematical approaches and corresponding metrics.

60 citations

Journal ArticleDOI
TL;DR: In this article, the authors used camera-based occupancy models to monitor changes in occupancy of a threatened species, grizzly bears (Ursus arctos), at large landscape scales, across 5 Canadian national parks.

60 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
2023669
20221,420
2021234
2020217
2019236
2018209