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

Hypothesis: Accept or Fail to Reject?01:17

Hypothesis: Accept or Fail to Reject?

27.6K
The outcome of any hypothesis testing leads to rejecting or not rejecting the null hypothesis. This decision is taken based on the analysis of the data, an appropriate test statistic, an appropriate confidence level, the critical values, and P-values. However, when the evidence suggests that the null hypothesis cannot be rejected, is it right to say, 'Accept' the null hypothesis?
There are two ways to indicate that the null hypothesis is not rejected. 'Accept' the null...
27.6K
Conservation of Declining Populations02:07

Conservation of Declining Populations

9.6K
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.
9.6K
Pollination and Flower Structure02:40

Pollination and Flower Structure

63.4K
Flowers are the reproductive, seed-producing structures of angiosperms. Typically, flowers consist of sepals, petals, stamens, and carpels. Sepals and petals are the vegetative flower organs. Stamens and carpels are the reproductive organs.  
63.4K
Predator-Prey Interactions02:39

Predator-Prey Interactions

16.1K
Predators consume prey for energy. Predators that acquire prey and prey that avoid predation both increase their chances of survival and reproduction (i.e., fitness). Routine predator-prey interactions elicit mutual adaptations that improve predator offenses, such as claws, teeth, and speed, as well as prey defenses, including crypsis, aposematism, and mimicry. Thus, predator-prey interactions resemble an evolutionary arms race.
16.1K
Threats to Biodiversity01:50

Threats to Biodiversity

22.1K
There have been five major extinction events throughout geological history, resulting in the elimination of biodiversity, followed by a rebound of species that adapted to the new conditions. In the current geological epoch, the Holocene, there is a sixth extinction event in progress. This mass extinction has been attributed to human activities and is thus provisionally called the Anthropocene. In 2019 the human population reached 7.7 billion people and is projected to comprise 10 billion by...
22.1K

You might also read

Related Articles

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

Sort by
Same author

Testing newly developed PCR primers for high-specificity enrichment of bees from terrestrial eDNA.

BMC research notes·2026
Same author

Modeling the Bioenergetics and Life History Traits of <i>Chironomus riparius</i>-Consequences of Food Limitation.

Insects·2024
Same author

Drivers and pressures behind insect decline in Central and Western Europe based on long-term monitoring data.

PloS one·2023
Same author

A Dynamic Energy Budget Approach for the Prediction of Development Times and Variability in <i>Spodoptera frugiperda</i> Rearing.

Insects·2021
Same author

Niche differentiation in rainforest ant communities across three continents.

Ecology and evolution·2019
Same author

Direct and indirect effects of land-use intensification on ant communities in temperate grasslands.

Ecology and evolution·2019

Related Experiment Video

Updated: Jun 3, 2025

In Vitro Rearing of Solitary Bees: A Tool for Assessing Larval Risk Factors
08:50

In Vitro Rearing of Solitary Bees: A Tool for Assessing Larval Risk Factors

Published on: July 16, 2018

8.1K

Insect Decline-Evaluation of Potential Drivers of a Complex Phenomenon.

Michael E Grevé1, Michael Thomas Marx1, Sascha Eilmus1

  • 1Bayer AG, 40789 Monheim, Germany.

Insects
|January 8, 2025
PubMed
Summary

Insect populations are declining globally. This study in West Germany identified urban expansion and shifts in land use, like increased corn cultivation, as key drivers reducing insect habitats and biomass over 33 years.

Keywords:
agricultural intensificationbioenergy croplandscape managementpermanent grasslandpesticidesrenewable energyurbanization

More Related Videos

Methodology for Developing Life Tables for Sessile Insects in the Field Using the Whitefly, Bemisia tabaci, in Cotton As a Model System
09:23

Methodology for Developing Life Tables for Sessile Insects in the Field Using the Whitefly, Bemisia tabaci, in Cotton As a Model System

Published on: November 1, 2017

11.8K
Empirical, Metagenomic, and Computational Techniques Illuminate the Mechanisms by which Fungicides Compromise Bee Health
08:36

Empirical, Metagenomic, and Computational Techniques Illuminate the Mechanisms by which Fungicides Compromise Bee Health

Published on: October 9, 2017

9.7K

Related Experiment Videos

Last Updated: Jun 3, 2025

In Vitro Rearing of Solitary Bees: A Tool for Assessing Larval Risk Factors
08:50

In Vitro Rearing of Solitary Bees: A Tool for Assessing Larval Risk Factors

Published on: July 16, 2018

8.1K
Methodology for Developing Life Tables for Sessile Insects in the Field Using the Whitefly, Bemisia tabaci, in Cotton As a Model System
09:23

Methodology for Developing Life Tables for Sessile Insects in the Field Using the Whitefly, Bemisia tabaci, in Cotton As a Model System

Published on: November 1, 2017

11.8K
Empirical, Metagenomic, and Computational Techniques Illuminate the Mechanisms by which Fungicides Compromise Bee Health
08:36

Empirical, Metagenomic, and Computational Techniques Illuminate the Mechanisms by which Fungicides Compromise Bee Health

Published on: October 9, 2017

9.7K

Area of Science:

  • Ecology
  • Environmental Science
  • Agricultural Science

Background:

  • Insect decline is a significant global environmental issue.
  • Identifying specific drivers of insect decline is complex due to multiple interacting factors and limited historical data.
  • West Germany has experienced notable insect population declines, necessitating focused research.

Purpose of the Study:

  • To assess 92 potential drivers of insect decline in West Germany over a 33-year period.
  • To correlate observed insect declines with changes in landscape structure and agricultural practices.
  • To identify the primary factors contributing to reduced insect biomass in the region.

Main Methods:

  • Utilized data from federal statistical offices and market surveys to track landscape and agricultural changes over 33 years.
  • Analyzed changes in land use, including cropland, grassland, urbanization, and forest cover.
  • Investigated the impact of specific agricultural practices and policy-driven land-use shifts.

Main Results:

  • Observed significant landscape changes: 25% increase in urban areas, reduced cropland and grassland, and increased forest cover.
  • Identified urban expansion, intensified grassland management, and shifts to bioenergy/feed crops (e.g., corn) as key drivers.
  • Despite decreased pesticide toxicity, land-use changes reduced habitat availability and suitability for insects.

Conclusions:

  • Land-use changes, driven by market demands and policy shifts (e.g., renewable energy, dairy intensification), are primary contributors to insect decline.
  • Urbanization and altered agricultural practices have significantly reduced insect habitat availability and suitability.
  • The study demonstrates a strong correlation between landscape and land management changes and the observed decline in insect biomass in West Germany.