Results 81 to 90 of about 28,327 (292)

Human interference with wildlife surveys: a case study from camera-trapping road underpasses in Costa Rica

open access: yesOryx
Camera traps are widely used to study wildlife. However, theft and vandalism are frequent, resulting in millions of dollars in financial losses and large data gaps in research.
Eleanor Flatt   +3 more
doaj   +1 more source

Using remote cameras to measure seasonal molts

open access: yesEcosphere, 2020
Obtaining accurate data on seasonal timing of lifecycle events in the wild is critical for many aspects of ecological research. However, characterizing such phenological processes is difficult, expensive, and time consuming.
Marketa Zimova   +5 more
doaj   +1 more source

Reducing bias in density estimates for unmarked populations that exhibit reactive behaviour towards camera traps

open access: yesMethods in Ecology and Evolution, 2023
Density estimates guide wildlife management, and camera traps are commonly used to estimate sizes of unmarked populations. Unfortunately, animals often alter their natural behaviour in the presence of camera traps, which may bias subsequent density ...
Zackary J. Delisle   +3 more
doaj   +1 more source

The ecology of feral cats (Felis catus) on a New Zealand offshore island : considerations for management : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Pholosophy in Zoology at Massey University, Manawatu, New Zealand [PDF]

open access: yes, 2018
Invasive species have contributed to the global biodiversity crisis, with the majority of recentday terrestrial vertebrate extinctions implicating invasive predators. Domestic cats (Felis catus), particularly feral cats, are among the main culprits. In
Strang, Kathryn Emily
core  

How long is enough to detect terrestrial animals? Estimating the minimum trapping effort on camera traps [PDF]

open access: yes, 2014
Camera traps is an important wildlife inventory tool for estimating species diversity at a site. Knowing what minimum trapping effort is needed to detect target species is also important to designing efficient studies, considering both the number of ...
Ping Ding, Roland Kays, Xingfeng Si
core   +1 more source

Parallel 3D Bioprinting on SLIPS‐Microarrays

open access: yesAdvanced Functional Materials, EarlyView.
This work introduces the first truly parallel 3D bioprinting method, enabling both the simultaneous fabrication of hundreds of cell laden hydrogel 3D structures and their HTS in individual liquid compartments. By integrating Digital Light Processing (DLP) stereolithography with functional micropatterns, the platform decouples printing time from array ...
Julius von Padberg   +3 more
wiley   +1 more source

Camera traps equipped with macro lenses as a tool for monitoring arboreal small mammals: a case study in an agroecosystem (NE Italy)

open access: yesNatural History Sciences
Despite their increasing use, camera traps as a monitoring tool for arboreal small mammals leave room for further improvements to increase their effectiveness.
Alessandro Nardotto, Cristian Bertolin
doaj   +1 more source

Identification and Density Estimation of American Martens (Martes americana) Using a Novel Camera-Trap Method

open access: yesDiversity, 2016
Camera-traps are increasingly used to estimate wildlife abundance, yet few studies exist for small-sized carnivores or comparing efficacy against traditional methods.
Alexej P. K. Sirén   +3 more
doaj   +1 more source

Halide‐Dependent Photoluminescence and Heavy‐Atom Effects in Low‐Melting Organic–Inorganic Manganese Halides

open access: yesAdvanced Functional Materials, EarlyView.
Two pyridinium‐based ionic liquid templated hybrid manganese halides, (C4Py)2[MnCl4] and (C4Py)2[MnBr4], display similar bulk structures but show significantly different photoluminescence behaviors due to the bromine heavy‐atom effect. Their stable local Mn environments remain intact even in the molten state, allowing applications such as luminescence ...
Biswajit Bhattacharyya   +22 more
wiley   +1 more source

Speckle‐Engineered Upconversion Amplification in Nanoemulsion‐Templated Hydrogel Microdomes

open access: yesAdvanced Functional Materials, EarlyView.
Nanoemulsion‐confined PEGDA microdomes generate speckle‐like excitation fields that strongly amplify upconversion luminescence upon dehydration, enabling filter‐free visible readout with reversible on–off switching. DMD‐based lithography yields scalable, shape‐programmable arrays for moisture‐responsive displays and optical encryption.
Chaeyeong Ryu   +13 more
wiley   +1 more source

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