Results 1 to 10 of about 4,426,397 (253)

A Novel Sensing Strategy Based on Energy Detector for Spectrum Sensing

open access: yesApplied Sciences, 2019
Sensing strategy directly influences the sensing accuracy of a spectrum sensing scheme. As a result, the optimization of a sensing strategy appears to be of great significance for accuracy improvement in spectrum sensing.
Hai Huang, Jia Zhu, Junsheng Mu
doaj   +1 more source

Snake diversity, occupancy, and detection on Thailand's largest university campus

open access: yesEcology and Evolution
More than 240 species of snake have been described from Thailand, yet basic natural history and ecology for this group of animals remains scarce in human disturbed environments despite conservation and human medical significance of them in these habitats.
Curt H. Barnes   +3 more
doaj   +1 more source

A generalized method to determine detectability of rare and cryptic species using the ornate box turtle as a model

open access: yesWildlife Society Bulletin, 2011
Estimates regarding population parameters are often based on data from surveys. To ensure that such estimates are as accurate as possible, it is important to know the detectability resulting from the particular survey method used.
Jeanine M. Refsnider   +5 more
doaj   +1 more source

Electroshocking as a survey technique for stream‐dwelling amphibians

open access: yesWildlife Society Bulletin, 2012
Electroshocking has long been employed as a survey technique for fish, but has not been directly tested against rock rolling as a survey methodology for stream‐dwelling amphibians.
John O. Cossel Jr.   +2 more
doaj   +1 more source

Evaluation of an automated recording device for monitoring forest birds

open access: yesWildlife Society Bulletin, 2012
Monitoring of forest songbirds via auditory detections during point surveys can be enhanced by using preprogrammed recording devices. During May–July 2008, we compared boreal forest bird surveys conducted with SM‐1 bird song recorders (Wildlife Acoustics,
Lisa A. Venier   +4 more
doaj   +1 more source

Detection Probability and Bias in Machine-Learning-Based Unoccupied Aerial System Non-Breeding Waterfowl Surveys

open access: yesDrones
Unoccupied aerial systems (UASs) may provide cheaper, safer, and more accurate and precise alternatives to traditional waterfowl survey techniques while also reducing disturbance to waterfowl.
Reid Viegut   +9 more
doaj   +1 more source

Range‐wide population size of the lesser prairie‐chicken: 2012 and 2013

open access: yesWildlife Society Bulletin, 2014
We flew aerial line‐transect surveys to estimate the range‐wide population size of lesser prairie‐chickens (Tympanuchus pallidicinctus) in the Great Plains, United States in 2012 and 2013.
Lyman McDonald   +11 more
doaj   +1 more source

Timing matters: cloud cover and date influence probability of detecting nesting Chimney Swifts (Chaetura pelagica)

open access: yesAvian Conservation and Ecology, 2019
One third of bird species in North America need immediate conservation action. Effective management and recovery actions for species of conservation concern require accurate methods of monitoring species occurrence that limit the incidence of ...
Elisabeth F. Purves   +3 more
doaj  

Factors affecting the occupancy of sloth bear and its detection probability in Parsa-Koshi Complex, Nepal. [PDF]

open access: yesEcol Evol, 2023
Sharma HP   +13 more
europepmc   +1 more source

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