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

Conservation of Declining Populations02:07

Conservation of Declining Populations

Conservation of declining population focuses on ways of detecting, diagnosing, and halting a population decline. The approach uses methods to prevent populations from going extinct.
Ecological Disturbance02:26

Ecological Disturbance

An ecological disturbance is a temporary disruption in the environment resulting from abiotic, biotic, or anthropogenic factors, causing a pronounced change in an ecosystem. The impact of an ecological disturbance, which can depend on its intensity, frequency, and spatial distribution, plays a significant role in shaping the species diversity within the ecosystem.Ecological disturbances can be caused by an event as small as the trampling of underbrush to an incident as wide-ranging as a forest...
Data Collection by Observations01:08

Data Collection by Observations

Data collection refers to a systematic way of obtaining, observing, measuring, and analyzing accurate information. Observational studies are one of the most widely used methods of data collection. It involves collecting data by observing the behavior and physical characteristics of a sample without making any modifications to the sample.
An astronomer viewing the motion and brightness of stars in the sky and recording the data is an example of observational data collection. A botanist recording...
Observational Studies01:11

Observational Studies

Observational studies are a type of analytical study where researchers observe events without any interventions. In other words, the researcher does not influence the response variable or the experiment's outcome.
There are three types of observational studies – Prospective, retrospective, and cross-sectional.
Prospective Study
Prospective studies, also known as longitudinal or cohort studies, are carried out by collecting future data from groups sharing similar characteristics. One example of...
Depressive Disorders: Etiology01:27

Depressive Disorders: Etiology

Depressive disorders result from a complex interplay of biological, psychological, and sociocultural factors, each contributing uniquely to the development and persistence of the condition. Understanding these factors provides critical insight into the multifaceted nature of depression.
Biological Factors in Depression
Biological predispositions significantly influence the risk of developing depressive disorders. Genetic studies highlight the role of variations in the serotonin transporter...
Colonisation of Pathogens01:25

Colonisation of Pathogens

Pathogen colonization of host tissues is a critical step in the development of infectious diseases. Various pathogenic microorganisms, including bacteria, fungi, viruses, and protozoa, have evolved complex strategies to attach to, invade, and persist within host environments. These mechanisms enable pathogens to establish infections, evade immune responses, and resist antimicrobial treatments.Attachment to Host CellsIn bacteria, colonization typically begins with adherence to host epithelial...

You might also read

Related Articles

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

Sort by
Same author

Dataset of pesticide and trace metal concentrations in the pollen provisions of wild bees and surrounding soils across European bee hotels.

Data in brief·2026
Same author

The life history of recessive deleterious alleles as seen through the eyes of a honey bee (Apis mellifera).

Molecular biology and evolution·2026
Same author

Assessment of Biosecurity Practices on Small Ruminant Farms in Kosovo After an Outbreak of Peste des Petits Ruminants: A Pilot Study.

Animals : an open access journal from MDPI·2026
Same author

Economic burden estimation to inform prevention policies against emerging zoonotic diseases: The case of tick-borne encephalitis in France.

Public health·2026
Same author

Exploration of geographical population structure of <i>Anaplasma phagocytophilum</i>: Insights from 12 newly sequenced European human and bovine genome assemblies.

Current research in parasitology & vector-borne diseases·2026
Same author

A questionnaire-based survey of owner-reported environment and care of West Highland white terriers with or without canine idiopathic pulmonary fibrosis.

Veterinary journal (London, England : 1997)·2026
Same journal

Analysis of strength degradation of coal and rock masses and stability of mined areas under long term immersion environment.

PloS one·2026
Same journal

Biogenic Silver-Selenium nanocomposite with anticancer activity and potent efficacy against vancomycin-resistant Staphylococcus aureus.

PloS one·2026
Same journal

Preparation and physicochemical characterization of a biodegradable chitosan/carboxymethyl cellulose hydrogel synthesized in NaOH/urea medium.

PloS one·2026
Same journal

Action-guilt, survivor-guilt, and depression in combat-related PTSD.

PloS one·2026
Same journal

Explainable machine learning for predicting activities of daily living at discharge in stroke patients: A retrospective study using SHAP interpretability.

PloS one·2026
Same journal

Deep learning based two-way feature depiction model for brain tumor detection.

PloS one·2026
See all related articles

Related Experiment Video

Updated: Jun 21, 2026

Inducing Polyp Bail-out in Coral Colonies to Obtain Individualized Micropropagates for Laboratory Experimental Use
07:23

Inducing Polyp Bail-out in Coral Colonies to Obtain Individualized Micropropagates for Laboratory Experimental Use

Published on: April 28, 2022

Colony collapse disorder: a descriptive study.

Dennis Vanengelsdorp1, Jay D Evans, Claude Saegerman

  • 1Pennsylvania Department of Agriculture, Harrisburg, PA, USA.

Plos One
|August 4, 2009
PubMed
Summary
This summary is machine-generated.

Colony Collapse Disorder (CCD) in honey bees involves multiple pathogens and stress factors, not a single cause. Research suggests CCD may be contagious or linked to shared environmental risks.

More Related Videos

Monitoring Colony-level Effects of Sublethal Pesticide Exposure on Honey Bees
10:35

Monitoring Colony-level Effects of Sublethal Pesticide Exposure on Honey Bees

Published on: November 15, 2017

Quantification of Cytokine-Induced Cell Death in Human Colonic Organoids Using Live Fluorescence Microscopy
10:03

Quantification of Cytokine-Induced Cell Death in Human Colonic Organoids Using Live Fluorescence Microscopy

Published on: August 2, 2024

Related Experiment Videos

Last Updated: Jun 21, 2026

Inducing Polyp Bail-out in Coral Colonies to Obtain Individualized Micropropagates for Laboratory Experimental Use
07:23

Inducing Polyp Bail-out in Coral Colonies to Obtain Individualized Micropropagates for Laboratory Experimental Use

Published on: April 28, 2022

Monitoring Colony-level Effects of Sublethal Pesticide Exposure on Honey Bees
10:35

Monitoring Colony-level Effects of Sublethal Pesticide Exposure on Honey Bees

Published on: November 15, 2017

Quantification of Cytokine-Induced Cell Death in Human Colonic Organoids Using Live Fluorescence Microscopy
10:03

Quantification of Cytokine-Induced Cell Death in Human Colonic Organoids Using Live Fluorescence Microscopy

Published on: August 2, 2024

Area of Science:

  • Apiculture
  • Insect Pathology
  • Ecology

Background:

  • Managed honey bee (Apis mellifera L.) colonies experienced unexplained losses in recent winters.
  • Colony Collapse Disorder (CCD) is characterized by a rapid decline of adult worker bees.
  • The specific etiology of CCD remained unclear, prompting further investigation.

Purpose of the Study:

  • To conduct a descriptive epizootiological study of Colony Collapse Disorder.
  • To characterize CCD and compare risk factor exposure in affected and unaffected honey bee populations.

Main Methods:

  • A comprehensive survey quantified 61 variables, including adult bee physiology, pathogen loads, and pesticide levels.
  • Comparison of risk factor exposure between CCD-afflicted and control honey bee colonies.

Main Results:

  • No single factor was identified as the primary cause of CCD.
  • Honey bees in CCD colonies exhibited higher pathogen loads and more co-infections.
  • Elevated levels of the acaricide coumaphos were found in control colonies, not CCD-affected ones.

Conclusions:

  • Colony Collapse Disorder likely results from an interaction between pathogens and other stressors.
  • Evidence suggests CCD is either contagious or linked to a common environmental exposure.
  • Future research should explore mite parasitism effects and honey bee pesticide resistance.