Allan O'Connell, Jr., Ph.D. (Former Employee)
Science and Products
Filter Total Items: 58
Camera traps in animal ecology and conservation: What's next? Camera traps in animal ecology and conservation: What's next?
No abstract available.
Authors
James D. Nichols, Allan F. O’Connell, K. Ullas Karanth
Science, conservation, and camera traps Science, conservation, and camera traps
Biologists commonly perceive camera traps as a new tool that enables them to enter the hitherto secret world of wild animals. Camera traps are being used in a wide range of studies dealing with animal ecology, behavior, and conservation. Our intention in this volume is not to simply present the various uses of camera traps, but to focus on their use in the conduct of science and...
Authors
James D. Nichols, K. Ullas Karanth, Allan F. O’Connel
Hierarchical spatial capture-recapture models for estimating density from trapping arrays Hierarchical spatial capture-recapture models for estimating density from trapping arrays
No abstract available.
Authors
J. Andrew Royle, B. Gardner
Estimation of demographic parameters in a tiger population from long-term camera trap data Estimation of demographic parameters in a tiger population from long-term camera trap data
Chapter 7 (Karanth et al.) illustrated the use of camera trapping in combination with closed population capture–recapture (CR) models to estimate densities of tigers Panthera tigris. Such estimates can be very useful for investigating variation across space for a particular species (e.g., Karanth et al. 2004) or variation among species at a specific location. In addition, estimates of...
Authors
K. Ullas Karanth, James D. Nichols
Estimating tiger abundance from camera trap data: Field surveys and analytical issues Estimating tiger abundance from camera trap data: Field surveys and analytical issues
Automated photography of tigers Panthera tigris for purely illustrative purposes was pioneered by British forester Fred Champion (1927, 1933) in India in the early part of the Twentieth Century. However, it was McDougal (1977) in Nepal who first used camera traps, equipped with single-lens reflex cameras activated by pressure pads, to identify individual tigers and study their social and...
Authors
K. Ullas Karanth, James D. Nichols
Inference for occupancy and occupancy dynamics Inference for occupancy and occupancy dynamics
This chapter deals with the estimation of occupancy as a state variable to assess the status of, and track changes in, species distributions when sampling with camera traps. Much of the recent interest in occupancy estimation and modeling originated from the models developed by MacKenzie et al. (2002, 2003), although similar methods were developed independently (Azuma et al. 1990; Bayley...
Authors
Allan F. O’Connell, Larissa L. Bailey
Science and Products
Filter Total Items: 58
Camera traps in animal ecology and conservation: What's next? Camera traps in animal ecology and conservation: What's next?
No abstract available.
Authors
James D. Nichols, Allan F. O’Connell, K. Ullas Karanth
Science, conservation, and camera traps Science, conservation, and camera traps
Biologists commonly perceive camera traps as a new tool that enables them to enter the hitherto secret world of wild animals. Camera traps are being used in a wide range of studies dealing with animal ecology, behavior, and conservation. Our intention in this volume is not to simply present the various uses of camera traps, but to focus on their use in the conduct of science and...
Authors
James D. Nichols, K. Ullas Karanth, Allan F. O’Connel
Hierarchical spatial capture-recapture models for estimating density from trapping arrays Hierarchical spatial capture-recapture models for estimating density from trapping arrays
No abstract available.
Authors
J. Andrew Royle, B. Gardner
Estimation of demographic parameters in a tiger population from long-term camera trap data Estimation of demographic parameters in a tiger population from long-term camera trap data
Chapter 7 (Karanth et al.) illustrated the use of camera trapping in combination with closed population capture–recapture (CR) models to estimate densities of tigers Panthera tigris. Such estimates can be very useful for investigating variation across space for a particular species (e.g., Karanth et al. 2004) or variation among species at a specific location. In addition, estimates of...
Authors
K. Ullas Karanth, James D. Nichols
Estimating tiger abundance from camera trap data: Field surveys and analytical issues Estimating tiger abundance from camera trap data: Field surveys and analytical issues
Automated photography of tigers Panthera tigris for purely illustrative purposes was pioneered by British forester Fred Champion (1927, 1933) in India in the early part of the Twentieth Century. However, it was McDougal (1977) in Nepal who first used camera traps, equipped with single-lens reflex cameras activated by pressure pads, to identify individual tigers and study their social and...
Authors
K. Ullas Karanth, James D. Nichols
Inference for occupancy and occupancy dynamics Inference for occupancy and occupancy dynamics
This chapter deals with the estimation of occupancy as a state variable to assess the status of, and track changes in, species distributions when sampling with camera traps. Much of the recent interest in occupancy estimation and modeling originated from the models developed by MacKenzie et al. (2002, 2003), although similar methods were developed independently (Azuma et al. 1990; Bayley...
Authors
Allan F. O’Connell, Larissa L. Bailey