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

Fruit Development, Structure, and Function01:58

Fruit Development, Structure, and Function

22.2K
Fruits form from a mature flower ovary. As seeds develop from the ovules contained within, the ovary wall undergoes a series of complex changes to form fruit. In some fruits, such as soybeans, the ovary wall dries; in other fruits, such as grapes, it remains fleshy. In some cases, organs other than the ovary contribute to fruit formation; such fruits are called accessory fruits.
22.2K
Softwoods and Hardwoods01:28

Softwoods and Hardwoods

149
Softwoods and hardwoods, derived from different types of trees, are distinguished by their leaf structures and cellular compositions, each serving unique purposes in construction and manufacturing. Softwoods come from cone-bearing trees with needle-like leaves and are predominantly composed of longitudinal cells called tracheids and a smaller proportion of radial cells known as rays. Due to their cellular structure, softwoods are commonly used in construction for structural frames, sheathing,...
149
Toughness and Hardness of Aggregate01:22

Toughness and Hardness of Aggregate

252
Toughness and hardness are critical properties of aggregate materials used in concrete, particularly on pavement surfaces and industrial flooring subjected to heavy loads. Toughness is defined as the aggregate's resistance to failure by impact and is measured by the aggregate impact value (AIV). For this, the aggregate impact value test is performed, wherein the impact is delivered by a standard hammer, which falls freely under its own weight onto the aggregates. The aggregates fragment in...
252
Characteristics of Dry Friction01:21

Characteristics of Dry Friction

532
Dry friction occurs when two solid surfaces slide against each other without any lubrication or fluid present. It causes resistance when pushing objects along a surface, like a gardener pushing a wheelbarrow. The force applied to move the cart causes dry friction between the wheel and the ground.
Before the wheelbarrow starts moving, the static frictional force acts tangentially to the contact surface, opposing the force that is about to induce the motion. This frictional force prevents the...
532
Shape and Texture of Coarse Aggregate01:25

Shape and Texture of Coarse Aggregate

206
Aggregate shape is classified based on the relative sharpness or roundness of the edges and corners. This classification includes categories like rounded, angular, elongated, and flaky, each with specific characteristics. Rounded aggregates, fully shaped by attrition, are typical of river or seashore gravel, while angular aggregates, such as crushed rock, have well-defined edges. Aggregates that are elongated and flaky are less desirable, as they can reduce the workability and strength of...
206
Characteristics of JFET01:21

Characteristics of JFET

478
Junction Field Effect Transistors (JFETs) exhibit specific operational characteristics based on the relationship between the drain current (id) and the drain-source voltage (Vds), along with varying gate-source voltages (Vgs).
The core of a JFET's operation is controlling drain current by modulating the gate-source voltage. When the drain and gate voltage are set to zero, the JFET exhibits no net current flow, representing a state of equilibrium. The drain current increases linearly as the...
478

You might also read

Related Articles

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

Sort by
Same author

Biological invasions: a global assessment of geographic distributions, long-term trends, and data gaps.

Biological reviews of the Cambridge Philosophical Society·2025
Same author

Shifting, expanding, or contracting? Range movement consequences for biodiversity.

Trends in ecology & evolution·2025
Same author

Functional Traits Predict Outcomes of Current and Novel Competition Under Warmer Climate.

Global change biology·2024
Same author

Unravelling drivers of local adaptation through evolutionary functional-structural plant modelling.

The New phytologist·2024
Same author

Latitudinal gradients in seed predation persist in urbanized environments.

Nature ecology & evolution·2024
Same author

Positive and negative plant-plant interactions influence seedling establishment at both high and low elevations.

Alpine botany·2024
Same journal

A native sulfur deposit in Gale crater, Mars.

Science (New York, N.Y.)·2026
Same journal

Coordinated demise of harmful algal blooms.

Science (New York, N.Y.)·2026
Same journal

Genetic effects put into context.

Science (New York, N.Y.)·2026
Same journal

Bacteria share proteins to survive antibiotics.

Science (New York, N.Y.)·2026
Same journal

Impacts shaped Earth's first continents.

Science (New York, N.Y.)·2026
Same journal

Erratum for the Report "Covalently bonded single-molecule junctions with stable and reversible photoswitched conductivity" by C. Jia <i>et al</i>.

Science (New York, N.Y.)·2026
See all related articles

Related Experiment Video

Updated: Jun 20, 2025

Author Spotlight: Sieving Fruit Pulp to Detect Immature Tephritid Fruit Flies in the Field
04:21

Author Spotlight: Sieving Fruit Pulp to Detect Immature Tephritid Fruit Flies in the Field

Published on: July 28, 2023

1.7K

A hard fruit to swallow.

Anna L Hargreaves1, Jake M Alexander2

  • 1Department of Biology, McGill University, Montreal, QC, Canada.

Science (New York, N.Y.)
|July 18, 2024
PubMed
Summary
This summary is machine-generated.

Bird foraging niches narrow towards the edges of their geographic ranges. This specialization helps birds adapt to varying environmental conditions at range limits.

More Related Videos

Fruit Volatile Analysis Using an Electronic Nose
11:02

Fruit Volatile Analysis Using an Electronic Nose

Published on: March 30, 2012

21.3K
Isolation and Biophysical Study of Fruit Cuticles
15:53

Isolation and Biophysical Study of Fruit Cuticles

Published on: March 30, 2012

16.7K

Related Experiment Videos

Last Updated: Jun 20, 2025

Author Spotlight: Sieving Fruit Pulp to Detect Immature Tephritid Fruit Flies in the Field
04:21

Author Spotlight: Sieving Fruit Pulp to Detect Immature Tephritid Fruit Flies in the Field

Published on: July 28, 2023

1.7K
Fruit Volatile Analysis Using an Electronic Nose
11:02

Fruit Volatile Analysis Using an Electronic Nose

Published on: March 30, 2012

21.3K
Isolation and Biophysical Study of Fruit Cuticles
15:53

Isolation and Biophysical Study of Fruit Cuticles

Published on: March 30, 2012

16.7K

Area of Science:

  • Ecology
  • Ornithology
  • Behavioral Ecology

Background:

  • Understanding how species adapt to environmental gradients is crucial for predicting responses to climate change.
  • Geographic range limits are often shaped by resource availability and interspecific competition.
  • Avian foraging strategies can reveal adaptive mechanisms to environmental pressures.

Discussion:

  • Foraging niche breadth decreases significantly as bird species approach their geographic range boundaries.
  • Dietary overlap with other species intensifies at range limits, suggesting increased competition.
  • Specialized foraging behaviors may confer a survival advantage in marginal habitats.

Key Insights:

  • Species exhibit heightened foraging specialization at the periphery of their distribution.
  • This dietary specialization is linked to increased resource competition and environmental variability.
  • Adaptive foraging is a key factor influencing avian distribution patterns.

Outlook:

  • Further research should investigate the genetic basis of foraging specialization.
  • Long-term monitoring can track changes in foraging niches with shifting climate patterns.
  • Conservation strategies may need to consider habitat connectivity to support specialized populations at range edges.