Edge Effects
Edge Effects - Related Videos
04:06
Identification of Pre-weanling 7-Day-Old Mice with Pinna Edge Biopsies
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2025
The protocol presents a novel stepwise approach to producing a pinna-edge biopsy (PEB) in post-natal day (PND) 7 mice for the purpose of identification and simultaneous genotyping.
10:25
Specimen Preparation, Imaging, and Analysis Protocols for Knife-edge Scanning Microscopy
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Cited by 15 •
2011
The full process from brain specimen preparation to serial sectioning imaging using the Knife-Edge Scanning Microscope, to data visualization and analysis is described. This technique is currently used to acquire mouse brain data, but it is applicable to other organs, other species.
07:01
Flow Visualization in a Water Tunnel: Observing the Leading-edge Vortex Over a Delta Wing
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2023
Source: Jose Roberto Moreto, Gustaaf Jacobs and Xiaofeng Liu, Department of Aerospace Engineering, San Diego State University, San Diego, California The delta wing, shown in Figure 1D, is a popular design in high-speed airplanes due to its superb performance in transonic and supersonic flight regimes. This type of wing has a small aspect ratio and high sweep angle, which reduces drag at high subsonic, transonic and supersonic flight regimes. The aspect ratio is defined as the wing span divided...
10:54
Quantitative Analysis of Cell Edge Dynamics during Cell Spreading
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Cited by 3 •
2021
In this protocol, we present the experimental procedures of a cell spreading assay that is based on live-cell microscopy. We provide an open-source computational tool for the unbiased segmentation of fluorescently labeled cells and quantitative analysis of lamellipodia dynamics during cell spreading.
02:19
Buffer Effectiveness
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2020
Buffer solutions do not have an unlimited capacity to keep the pH relatively constant . Instead, the ability of a buffer solution to resist changes in pH relies on the presence of appreciable amounts of its conjugate weak acid-base pair. When enough strong acid or base is added to substantially lower the concentration of either member of the buffer pair, the buffering action within the solution is compromised. The buffer capacity is the amount of acid or base that can be added to a given volume...
FAQs
Edge effects often operate as gradients rather than sharp boundaries. Light, temperature, humidity, and wind can change near the meeting point, while vegetation structure and resource availability shift at the same time. These interacting changes create microconditions that differ from habitat interiors, helping explain why organisms may use, avoid, or move through boundary zones differently.
Changes at a boundary can modify encounters among predators, prey, competitors, and other organisms by changing cover, movement routes, and available resources. As a result, population densities may rise or fall near edges rather than matching interior conditions. The same boundary can therefore benefit some species while making conditions less suitable for others.
Because boundary zones can combine conditions or resources associated with neighboring habitats, they may support species from both settings and increase local diversity. However, species adapted to interior conditions may be disadvantaged when altered light, wind, humidity, or temperature extend inward. Edge effects therefore have context-dependent consequences rather than producing the same outcome in every habitat.
They examine biological patterns across habitat boundaries, comparing edge locations with habitat interiors. Measurements may include light, temperature, humidity, wind, vegetation structure, resource availability, species interactions, movement, and population densities. This comparison links physical changes to ecological responses and helps distinguish boundary-associated patterns from conditions characteristic of interior habitat.
They provide a way to evaluate how breaking habitat into smaller pieces changes ecological conditions beyond reducing available area. Researchers can assess whether boundary conditions allow predators or invasive species to penetrate more easily and whether interior species lose suitable conditions. Findings help connect fragmentation patterns with changes in biodiversity and ecosystem function.
Conservation planners use information about boundary conditions when designing wildlife corridors and managing protected areas. The goal is to identify boundaries that may support increased diversity while recognizing situations in which edges threaten sensitive interior species. This ecological assessment helps determine how habitat arrangements influence movement, species persistence, biodiversity patterns, and ecosystem function.