Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

pH Scale02:41

pH Scale

80.0K
Hydronium and hydroxide ions are present both in pure water and in all aqueous solutions, and their concentrations are inversely proportional as determined by the ion product of water (Kw). The concentrations of these ions in a solution are often critical determinants of the solution’s properties and the chemical behaviors of its other solutes. Two different solutions can differ in their hydronium or hydroxide ion concentrations by a million, billion, or even trillion times. A common means of...
80.0K
Cell Size01:22

Cell Size

128.6K
Cell sizes vary widely among and within organisms. Bacterial cells range between 1-10 micrometers (μm)and are considerably smaller than most eukaryotic cells. The smallest bacteria are 0.1 μm in diameter—about a thousand times smaller than eukaryotic cells, which typically range from 10-100 μm.
Surface Area
Cells can take in nutrients and water via diffusion through the plasma membrane itself or through specific channels in the membrane. The area of the membrane surrounding...
128.6K
Scaling01:26

Scaling

596
In designing and analyzing filters, resonant circuits, or circuit analysis at large, working with standard element values like 1 ohm, 1 henry, or 1 farad can be convenient before scaling these values to more realistic figures. This approach is widely utilized by not employing realistic element values in numerous examples and problems; it simplifies mastering circuit analysis through convenient component values. The complexity of calculations is thereby reduced, with the understanding that...
596
Brick Sizes01:21

Brick Sizes

343
Brick sizing plays a crucial role in construction, influencing both the aesthetics and structural integrity of buildings. Bricks are defined by three dimensions: width, thickness, and length. They are commonly designed to fit modular measurements, typically in multiples of 4 inches or 8 inches in width, to facilitate uniform construction and compatibility with other building materials.
Modular bricks are the most common type and are sized to include the mortar joint, which is essential for...
343
Genome Size and the Evolution of New Genes03:21

Genome Size and the Evolution of New Genes

9.1K
While every living organism has a genome of some kind (be it RNA, or DNA), there is considerable variation in the sizes of these blueprints. One major factor that impacts genome size is whether the organism is prokaryotic or eukaryotic. In prokaryotes, the genome contains little to no non-coding sequence, such that genes are tightly clustered in groups or operons sequentially along the chromosome. Conversely, the genes in eukaryotes are punctuated by long stretches of non-coding sequence.
9.1K
Body Temperature01:25

Body Temperature

4.8K
The body's temperature, measured in degrees, is determined by the balance between heat production and dissipation to the surrounding environment. For instance, if exercising vigorously, the body will produce more heat, causing sweat and dissipating that heat. Despite extreme environmental conditions and physical exertion, the human temperature-control system maintains a constant core body temperature (the temperature of deep tissues, which are the tissues located beneath the skin and other...
4.8K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

How short- and long-term temporal scales shape biodiversity: multi-taxa dynamics across the life cycle of quarries.

Environmental management·2026
Same author

Habitat and site age drive carcass persistence at wind energy facilities: Evidence from a large-scale analysis.

Journal of environmental management·2026
Same author

Thresholds of functional trait diversity driven by land use intensification.

Nature ecology & evolution·2025
Same author

Changes in community composition and functional diversity of European bats under climate change.

Conservation biology : the journal of the Society for Conservation Biology·2025
Same author

What evidence exists regarding the effects of photovoltaic panels on biodiversity? A critical systematic map protocol.

Environmental evidence·2024
Same author

Existing evidence on the effects of photovoltaic panels on biodiversity: a systematic map with critical appraisal of study validity.

Environmental evidence·2024

Related Experiment Video

Updated: Feb 6, 2026

Experimental Manipulation of Body Size to Estimate Morphological Scaling Relationships in Drosophila
06:00

Experimental Manipulation of Body Size to Estimate Morphological Scaling Relationships in Drosophila

Published on: October 1, 2011

14.4K

Body size information in large-scale acoustic bat databases.

Caterina Penone1, Christian Kerbiriou2,3, Jean-François Julien4

  • 1Institute of Plant Sciences, University of Bern, Bern, Switzerland.

Peerj
|August 30, 2018
PubMed
Summary

Citizen science acoustic data can reveal large-scale bat body size patterns. This study found correlations between bat size, climate, and geographic location, validating acoustic monitoring for ecological research.

Keywords:
Bergmann’s ruleBody sizeCharacteristic frequencyCitizen scienceClimateEcholocationForearm lengthLatitudePipistrellus pipistrellus

More Related Videos

Standard Operating Procedure for Lyssavirus Surveillance of the Bat Population in Taiwan
07:55

Standard Operating Procedure for Lyssavirus Surveillance of the Bat Population in Taiwan

Published on: August 27, 2019

8.0K
Executing Complexity-Increasing Queries in Relational MySQL and NoSQL MongoDB and EXist Size-Growing ISO/EN 13606 Standardized EHR Databases
07:26

Executing Complexity-Increasing Queries in Relational MySQL and NoSQL MongoDB and EXist Size-Growing ISO/EN 13606 Standardized EHR Databases

Published on: March 19, 2018

9.7K

Related Experiment Videos

Last Updated: Feb 6, 2026

Experimental Manipulation of Body Size to Estimate Morphological Scaling Relationships in Drosophila
06:00

Experimental Manipulation of Body Size to Estimate Morphological Scaling Relationships in Drosophila

Published on: October 1, 2011

14.4K
Standard Operating Procedure for Lyssavirus Surveillance of the Bat Population in Taiwan
07:55

Standard Operating Procedure for Lyssavirus Surveillance of the Bat Population in Taiwan

Published on: August 27, 2019

8.0K
Executing Complexity-Increasing Queries in Relational MySQL and NoSQL MongoDB and EXist Size-Growing ISO/EN 13606 Standardized EHR Databases
07:26

Executing Complexity-Increasing Queries in Relational MySQL and NoSQL MongoDB and EXist Size-Growing ISO/EN 13606 Standardized EHR Databases

Published on: March 19, 2018

9.7K

Area of Science:

  • Ecology
  • Bioacoustics
  • Citizen Science

Background:

  • Citizen monitoring programs utilizing acoustic data are valuable for population and community studies.
  • Their application in understanding broad-scale species trait patterns, particularly body size, remains underexplored.
  • This study investigates the potential of acoustic data for large-scale body size pattern detection in bats.

Purpose of the Study:

  • To assess the utility of acoustic data from citizen science initiatives for detecting large-scale patterns in bat body size.
  • To compare geographical patterns in body size with acoustic signals in the bat species *Pipistrellus pipistrellus*.
  • To examine the relationships between body size, acoustic characteristics, and climatic variables.

Main Methods:

  • Body size was measured using forearm length from 1,359 *Pipistrellus pipistrellus* bats captured in France.
  • Acoustic analyses utilized a large dataset of bat echolocation calls (n=4,783) from a French citizen science survey.
  • Relationships between forearm length, characteristic frequency, and geographic/climatic variables were analyzed using principal component analysis.

Main Results:

  • Bat forearm length positively correlated with higher precipitation, lower seasonality, and lower temperatures.
  • Lower characteristic frequencies, indicative of larger body size, were associated with lower temperatures and northern latitudes.
  • Analyses using body measurements and acoustic data yielded congruent results, despite using different datasets.

Conclusions:

  • Acoustic data collected through citizen science programs are effective for identifying large-scale body size patterns in bats.
  • This research highlights a novel application for extensive acoustic databases in exploring biological patterns.
  • The findings open new avenues for addressing theoretical and applied ecological questions using bioacoustic data.