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

Plotting of Topographic Maps01:29

Plotting of Topographic Maps

641
Topographic maps represent the Earth's surface features using contour lines, which connect points of equal elevation to create a two-dimensional representation of three-dimensional terrain. Creating a topographic map requires a systematic approach.Begin by plotting a scaled grid and marking intersections corresponding to the survey's elevation data points. Assign elevation values at these intersections to build the base map. Next, determine contour levels using a consistent contour interval,...
641
Topographic Surveying and Contours01:29

Topographic Surveying and Contours

1.1K
Topographic surveying is critical for documenting the Earth's surface, focusing on capturing elevations, slopes, and natural and man-made features. It is essential in construction planning, water resource management, and land-use analysis. The primary outcome of such surveys is a topographic map, which uses contour lines to visually represent the shape and slope of the terrain, providing valuable insights into the landscape's characteristics.Contour lines are fundamental to understanding the...
1.1K
Residual Plots01:07

Residual Plots

6.6K
A residual plot is a statistical representation of data used to analyze correlation and regression results. It helps verify the requirements for drawing specific conclusions about correlation and regression. To obtain the residual plot, first, the residual for each data value is calculated, which is simply the vertical distance between the observed and the predicted value obtained from the regression equation.
When the residual values are plotted against the variable x, it is called a residual...
6.6K
Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device01:30

Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device

430
Surveyors use Global Positioning System (GPS) technology to measure the precise location and elevation of points on Earth. In a recent survey, GPS receivers were used to determine the coordinates and elevations of two park monuments. The process involved careful mission planning, data collection, and correction to ensure accuracy. The survey began with mission planning to identify optimal satellite visibility and minimize Position Dilution of Precision (PDOP). A geodetic control point...
430
Common Leveling Mistakes and Errors01:17

Common Leveling Mistakes and Errors

535
A survey team is tasked with determining the elevation difference between points Point A and Point B, separated by uneven terrain. They use a leveling instrument and a leveling rod.Common MistakesMisreading the Rod: During a backsight reading at Point A, the instrumentman observes the rod partially obscured by tall grass. Instead of reading 1.135 m, they mistakenly record 1.735 m due to the misalignment of the crosshair with the wrong graduation. This error adds 0.600 m to all subsequent...
535
Errors and Mistakes in Surveying01:19

Errors and Mistakes in Surveying

817
Errors and mistakes in surveying refer to inaccuracies in measurements and data recording. The errors are deviations from the actual value caused by human sensory limitations, equipment flaws, or environmental effects. These errors are typically unintentional and can result from the inherent imperfections in the instruments used, atmospheric conditions, or the observer’s inability to perceive exact measurements. On the other hand, mistakes are caused by the surveyor's lack of...
817

You might also read

Related Articles

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

Sort by
Same author

Elevated Nitrogen and Phosphorus Levels Suggest High Metabolic Demands in Himalayan High-Elevation Plants.

Physiologia plantarum·2026
Same author

Label matters: comparing gold nanoparticles and nanoshells with upconversion nanoparticles for quantitative lateral flow immunoassays.

Mikrochimica acta·2026
Same author

Contrasting thermophilization among forests, grasslands and alpine summits.

Nature·2026
Same author

Differential Expression of P-Element-Induced Wimpy Testis (PIWI)-Interacting RNAs in Glioblastoma Stem Cells Affects Their Biological Features: Implications for Tumor Progression and Patient Survival.

Laboratory investigation; a journal of technical methods and pathology·2026
Same author

High-resolution microclimatic grids for the Bohemian Forest Ecosystem based on in situ measurements.

Scientific data·2026
Same author

Small net local temporal changes in taxonomic, functional, and phylogenetic biodiversity across European temperate forests.

The New phytologist·2025
Same journal

Population genetic patterns across the native and invasive range of a widely distributed seagrass: Phylogeographic structure, invasive history and conservation implications.

Diversity & distributions·2024
Same journal

International shipping as a potent vector for spreading marine parasites.

Diversity & distributions·2024
Same journal

Trends in the detection of aquatic non-indigenous species across global marine, estuarine and freshwater ecosystems: A 50-year perspective.

Diversity & distributions·2023
Same journal

The risks of using molecular biodiversity data for incidental detection of species of concern.

Diversity & distributions·2021
Same journal

Effectiveness of protected areas for bird conservation depends on guild.

Diversity & distributions·2020
Same journal

Drivers of foot-and-mouth disease in cattle at wild/domestic interface: Insights from farmers, buffalo and lions.

Diversity & distributions·2020
See all related articles

Related Experiment Video

Updated: Mar 2, 2026

Sampling Soils in a Heterogeneous Research Plot
07:11

Sampling Soils in a Heterogeneous Research Plot

Published on: January 7, 2019

36.0K

Vegetation resurvey is robust to plot location uncertainty.

Martin Kopecký1,2, Martin Macek2,3

  • 1Department of Vegetation Ecology, Institute of Botany, Academy of Sciences of the Czech Republic, Lidická 25/27, CZ-602 00, Brno, Czech Republic.

Diversity & Distributions
|May 16, 2017
PubMed
Summary
This summary is machine-generated.

Resurveying historical vegetation plots reliably assesses decadal plant community changes, even with approximate plot locations. This method is robust, providing dependable data for ecological change assessments.

Keywords:
pseudo-turnoverresamplingrevisitationsemi-permanent plotstemperate foresttemporal vegetation change

More Related Videos

Methods of Soil Resampling to Monitor Changes in the Chemical Concentrations of Forest Soils
09:16

Methods of Soil Resampling to Monitor Changes in the Chemical Concentrations of Forest Soils

Published on: November 25, 2016

17.5K
Author Spotlight: UAV Remote Sensing for Efficient Invasive Plant Biomass Estimation
08:47

Author Spotlight: UAV Remote Sensing for Efficient Invasive Plant Biomass Estimation

Published on: February 9, 2024

2.1K

Related Experiment Videos

Last Updated: Mar 2, 2026

Sampling Soils in a Heterogeneous Research Plot
07:11

Sampling Soils in a Heterogeneous Research Plot

Published on: January 7, 2019

36.0K
Methods of Soil Resampling to Monitor Changes in the Chemical Concentrations of Forest Soils
09:16

Methods of Soil Resampling to Monitor Changes in the Chemical Concentrations of Forest Soils

Published on: November 25, 2016

17.5K
Author Spotlight: UAV Remote Sensing for Efficient Invasive Plant Biomass Estimation
08:47

Author Spotlight: UAV Remote Sensing for Efficient Invasive Plant Biomass Estimation

Published on: February 9, 2024

2.1K

Area of Science:

  • Ecology
  • Botany
  • Environmental Science

Background:

  • Resurveys of historical vegetation plots are crucial for assessing decadal changes in plant diversity and composition.
  • Approximate relocation of historical plots can potentially inflate temporal changes and compromise study results.

Purpose of the Study:

  • To investigate the robustness of resurvey studies despite uncertainties in historical plot locations.
  • To compare temporal changes in species richness, frequency, composition, and heterogeneity between exactly and approximately relocated plots.

Main Methods:

  • Comparison of temporal changes in ecological metrics between precisely and imprecisely relocated vegetation plots.
  • Analysis conducted in temperate deciduous forests of Central Europe.

Main Results:

  • Temporal changes in species richness did not differ in variability between exact and approximate plot relocations.
  • Species composition and compositional heterogeneity changes were not higher in approximately relocated plots.
  • Individual species frequency changes were consistent across both plot relocation types.

Conclusions:

  • Resurvey studies of historical vegetation plots are robust to location uncertainty, yielding reliable data on decadal plant community shifts.
  • Properly executed resurveys provide essential background for other studies and enable large-scale plant community change assessments.