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"Trapping"
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Shh! We have a plan
\"Four friends creep through the woods, and what do they spot? An exquisite bird high in a tree! 'Hello birdie,' waves one. 'Shh! We have a plan,' hush the others. They stealthily make their advance, nets in the air. Ready one, ready two, ready three, and go! But as one comically foiled plan follows another, it soon becomes clear that their quiet, observant companion, hand outstretched, has a far better idea. Award-winning author-illustrator Chris Haughton is back with another simple, satisfying story whose visual humor plays out in boldly graphic, vibrantly colorful illustrations.\"-- Provided by publisher.
Book
Environmental DNA metabarcoding as a useful tool for evaluating terrestrial mammal diversity in tropical forests
Innovative techniques, such as environmental DNA (eDNA) metabarcoding, are now promoting broader biodiversity monitoring at unprecedented scales, because of the reduction in time, presumably lower cost, and methodological efficiency. Our goal was to assess the efficiency of established inventory techniques (live-trapping grids, pitfall traps, camera trapping, mist netting) as well as eDNA for detecting Amazonian mammals. For terrestrial small mammals, we used 32 live-trapping grids based on Sherman and Tomahawk traps (total effort of 10,368 trap-nights); in addition to 16 pitfall traps (1,408 trap-nights). For bats, we used mist nets at 8 sites (4,800 net hours). For medium and large mammals, we used 72 camera trap stations (5,208 camera-days). We identified vertebrate and mammal taxa based on eDNA analysis (12S region, with V05 and Mamm01 markers) from water samples, including a total of 11 3-km transects for stagnant water sampling and seven small streams for running water sampling. A total of 106 mammal species were recorded. Building on sample-based rarefaction and extrapolation curves, both trapping grids and pitfall were successful, recording 91.16% and 82.1% of the expected species for these techniques (~22 and ~9 species), and 16.98% and 6.60% of the total recorded mammal species, respectively. Mist nets recorded 83.2% of the expected bat species (~48), and 34.91% of the total recorded species. Camera trapping recorded 99.2% of the predicted large- and medium-sized species (~31), and 33.02% of the total recorded species. eDNA recorded 75.4% of the expected mammal species for this technique (~68), and 47.0% of the total recorded species. eDNA resulted in a useful tool that saves on effort and reduces sampling costs. This study is among the first to show the large potential of eDNA metabarcoding for assessing Amazonian mammal communities, providing, in combination with conventional techniques, a rapid overview of mammal diversity with broad applications to monitoring, management and conservation. By including appropriate genetic markers and updated reference databases, eDNA metabarcoding method can be extended to the whole vertebrate community.
Journal Article
Trapped
Brenna, one of the volunteers at Dr. Mac's Place animal clinic, is horrified to find a dog caught in a trap in the local nature preserve, but subsequent events prove that every story has two sides.
Book
Trapped
When his owner, Alex, finds an illegal animal trap in the woods, Pete the cat faces grave danger as he tries to help his human friends find the culprit who set the trap.
Book
The Analysis of Microplastic Trapping by Capture Column in the Microchannel
To address the limitations of traditional microplastic capture methods, this study applies a numerical method to investigate the capture mechanisms of microplastics within the microchannels. Through numerical simulation, the influence of different capture column structures on microplastic trapping were examined. Analysis of velocity and pressure fields within the microchannel reveals that microplastics were most readily captured in the low-velocity and recirculation zones before and after the capture column, whereas the inlet, outlet, and high-velocity zones above and below the capture column were unfavourable for capture. Triangular capture columns demonstrated superior capture efficiency compared to square and circular counterparts due to their pronounced flow field disturbance, significant pressure differential, and marked recirculation tendency. This study provided flow and pressure field information within microfluidic microplastic capture experiments, offering valuable insights for investigating the mechanisms of microchannel-based microplastic capture.
Journal Article
Big Red : the story of a champion Irish setter and a trapper's son who grew up together, roaming the wilderness
The wilderness adventures of Danny, a young trapper, and Big Red, his Irish setter.
Book
Eliminating degradation and uncovering ion-trapping dynamics in electrochromic WO 3 thin films
There is keen interest in the use of amorphous WO3 thin films as cathodic electrodes in transmittance-modulating electrochromic devices1–4. However, these films suer from ion-trapping-induced degradation of optical modulation and reversibility on extended LiC-ion exchange. Here,we demonstrate that ion-trapping-induced degradation, which is commonly believed to be irreversible, can be successfully eliminatedby constant-current-driven de-trapping; that is, WO3 films can be rejuvenated and regain their initial highly reversible electrochromic performance. Pronounced ion trapping occurs when x exceeds 0.65 in LixWO3 during ion insertion. We find two main kinds of Li+-ion-trapping site (intermediate and deep) in WO3, where the intermediate ones are most prevalent. Li+ ions can be completely removed from intermediate traps but are irreversibly bound in deep traps. Our results provide a general framework for developing and designing superior electrochromic materials and devices.
Journal Article
Saw VI
\"Lionsgate's money-making franchise is back with this sixth entry in the Saw film series. The editor for all of the previous films, Kevin Greutert, makes his directorial debut with this picture, once again written by Feast writers, Marcus Dunstan and Patrick Melton\"--Allmovie.com, viewed October 11, 2018.
DVD
Quantum gases in optical boxes
Quantum atomic and molecular gases are flexible systems for studies of fundamental many-body physics. They have traditionally been produced in harmonic electromagnetic traps and thus had inhomogeneous densities, but recent advances in light shaping for optical trapping of neutral particles have led to the development of flat-bottomed optical box traps, allowing the creation of homogeneous samples. Box trapping simplifies the interpretation of experimental results, provides more direct connections with theory and, in some cases, allows qualitatively new, hitherto impossible experiments. It has now been achieved for both Bose and Fermi atomic gases in various dimensionalities, and also for gases of heteronuclear molecules. Here we review these developments and the consequent breakthroughs in the study of both equilibrium and non-equilibrium phenomena such as superfluidity, turbulence and the dynamics of phase transitions.Optical box traps create a potential landscape for quantum gases that is close to the homogeneous theoretical ideal. This Review of box trapping methods highlights the breakthroughs in experimental many-body physics that have followed their development.
Journal Article