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

Chromatin Structure Regulates pre-mRNA Processing02:41

Chromatin Structure Regulates pre-mRNA Processing

8.2K
In eukaryotic cells, nascent mRNA transcripts need to undergo many post-transcriptional modifications to reach the cell cytoplasm and translate into functional proteins. For a long time, transcription and pre-mRNA processing were considered two independent events that occur sequentially in the cell. However, it has now been well established that transcription and pre-mRNA processing are two simultaneous processes that are precisely regulated inside the cell.
The chromatin structure, especially...
8.2K
Assembly of Complex Microtubule Structures01:32

Assembly of Complex Microtubule Structures

2.5K
Complex microtubule structures are present in resting cells and in dividing cells. In resting cells, they are responsible for maintaining the cellular architecture, tracks for intracellular transport, positioning of organelles, assembly of cilia and flagella. They mediate the bipolar spindle assembly for chromosomal segregation and positioning of the cell division plate in dividing cells. The formation of microtubule complex structures depends on the cell type, cell stage, and cell function.
2.5K
Covalently Linked Protein Regulators02:04

Covalently Linked Protein Regulators

9.6K
Proteins can undergo many types of post-translational modifications, often in response to changes in their environment. These modifications play an important role in the function and stability of these proteins. Covalently linked molecules include functional groups, such as methyl, acetyl, and phosphate groups, and also small proteins, such as ubiquitin. There are around 200 different types of covalent regulators that have been identified.
These groups modify specific amino acids in a protein....
9.6K
pH Scale02:41

pH Scale

79.9K
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...
79.9K
Protein Complexes with Interchangeable Parts01:57

Protein Complexes with Interchangeable Parts

2.9K
Groups of proteins may form a complex where each protein in this complex has a different role in the overall execution of the complex’s function. Often some of the proteins in the complex can be replaced by a closely related variant to give a complex that contains many of the same components yet is functionally distinct.
The SCF ubiquitin ligase is a protein complex of five individual proteins. This complex attaches ubiquitin to other target proteins to mark them for degradation. In order...
2.9K
X-linked Traits01:19

X-linked Traits

58.8K
In most mammalian species, females have two X sex chromosomes and males have an X and Y. As a result, mutations on the X chromosome in females may be masked by the presence of a normal allele on the second X. In contrast, a mutation on the X chromosome in males more often causes observable biological defects, as there is no normal X to compensate. Trait variations arising from mutations on the X chromosome are called “X-linked”.
58.8K

You might also read

Related Articles

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

Sort by
Same author

Native and Non-Native Populations Respond Unevenly to River Barrier Removals.

Global change biology·2026
Same author

Identification and testing of sex pheromone components of the invasive Australian redback spider (Lactrodectus hasseltii).

Scientific reports·2026
Same author

Accounting for the Influence of Community Turnover Along Environmental Gradients on Compositional Uniqueness.

Ecology letters·2026
Same author

Climate change impacts on Aotearoa New Zealand: a horizon scan approach.

Journal of the Royal Society of New Zealand·2024
Same author

Evaluating intra- and inter-life stage density-dependent dynamics for management of perennial amphidromous fish.

Ecological applications : a publication of the Ecological Society of America·2024
Same author

Unravelling large-scale patterns and drivers of biodiversity in dry rivers.

Nature communications·2024
Same journal

Combining individual and close-kin mark-recapture to design an effective wildlife population survey.

Ecology·2026
Same journal

Cross-stressor resilience of soil microbial growth and carbon metabolism under climate change.

Ecology·2026
Same journal

Oh deer! Videography reveals a range of defensive behaviors against a cervid by a ground-nesting bird.

Ecology·2026
Same journal

Microbial responses to stress do not promote plant tolerance to same or different stressors.

Ecology·2026
Same journal

A 2100-km jaguar journey redefines mobility and large-scale conservation priorities during large carnivore dispersal.

Ecology·2026
Same journal

Linking genome size variation to phenotypic selection on target traits.

Ecology·2026
See all related articles
  1. Home
  3. Food-web Structures Link Multi-scale Processes In Complex Landscapes.
  1. Home
  3. Food-web Structures Link Multi-scale Processes In Complex Landscapes.

Related Experiment Video

Multi-target Parallel Processing Approach for Gene-to-structure Determination of the Influenza Polymerase PB2 Subunit
22:10

Multi-target Parallel Processing Approach for Gene-to-structure Determination of the Influenza Polymerase PB2 Subunit

Published on: June 28, 2013

13.7K

Food-web structures link multi-scale processes in complex landscapes.

Holly A L Harris1, Jonathan D Tonkin1,2,3, Tara J Murray4

  • 1Te Kura Pūtaiao Koiora/School of Biological Sciences, Te Whare Wānanga o Waitaha/University of Canterbury, Christchurch, Canterbury, New Zealand.

Ecology
|February 4, 2026

View abstract on PubMed

Summary
This summary is machine-generated.

Food-web structures in complex river landscapes reveal how spatial heterogeneity and consumer adaptations shape ecosystem processes. This research helps identify key factors stabilizing food webs across different scales.

Keywords:
dynamic riverfood webfood‐web structurelandscape heterogeneitystable isotope

More Related Videos

Combining Chemical Cross-linking and Mass Spectrometry of Intact Protein Complexes to Study the Architecture of Multi-subunit Protein Assemblies
10:01

Combining Chemical Cross-linking and Mass Spectrometry of Intact Protein Complexes to Study the Architecture of Multi-subunit Protein Assemblies

Published on: November 28, 2017

20.4K
Author Spotlight: Integrated Multi-Omics Analysis for Unveiling Multicellular Immune Signatures in Clinical Heart Attack Cohorts
08:51

Author Spotlight: Integrated Multi-Omics Analysis for Unveiling Multicellular Immune Signatures in Clinical Heart Attack Cohorts

Published on: September 20, 2024

2.2K

Related Experiment Videos

Multi-target Parallel Processing Approach for Gene-to-structure Determination of the Influenza Polymerase PB2 Subunit
22:10

Multi-target Parallel Processing Approach for Gene-to-structure Determination of the Influenza Polymerase PB2 Subunit

Published on: June 28, 2013

13.7K
Combining Chemical Cross-linking and Mass Spectrometry of Intact Protein Complexes to Study the Architecture of Multi-subunit Protein Assemblies
10:01

Combining Chemical Cross-linking and Mass Spectrometry of Intact Protein Complexes to Study the Architecture of Multi-subunit Protein Assemblies

Published on: November 28, 2017

20.4K
Author Spotlight: Integrated Multi-Omics Analysis for Unveiling Multicellular Immune Signatures in Clinical Heart Attack Cohorts
08:51

Author Spotlight: Integrated Multi-Omics Analysis for Unveiling Multicellular Immune Signatures in Clinical Heart Attack Cohorts

Published on: September 20, 2024

2.2K

Area of Science:

  • Ecology
  • Environmental Science
  • River Ecosystems

Background:

  • Studying complex landscapes is challenging due to simultaneous high-level contextual and low-level mechanistic processes.
  • Food-web structures offer insights into these processes within specific ecological contexts.

Purpose of the Study:

  • To use stable isotopes to identify spatially distinct resources and infer resource flows in a braided river food web.
  • To understand how food-web structures relate to ecological and mechanistic processes in complex landscapes.

Main Methods:

  • Stable isotope analysis to trace resource use by mobile consumers (birds, fish).
  • Identification of spatially heterogeneous resources within a braided river system.
  • Analysis of consumer resource use in relation to food-web structural attributes.

Main Results:

  • River resources utilized by mobile consumers were found to be spatially heterogeneous.
  • Consumer resource use correlated with spatiotemporal foraging variation, subsidies, omnivory, and ontogenetic niche shifts.
  • Both physical landscape heterogeneity and consumer adaptive traits influence food-web structures.

Conclusions:

  • Complex river food webs are shaped by interactions between physical landscape context and consumer adaptations.
  • Analyzing food-web structures across scales of resource use and distribution aids in identifying stabilizing processes.
  • This approach provides a framework for understanding ecosystem dynamics in heterogeneous environments.