Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

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

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

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...

Methods of Obtaining Topography

Methods of Obtaining Topography

Topography involves measuring and mapping land elevations, natural features, and artificial structures to create accurate representations of the terrain. Topographic surveying relies on traditional and modern methods, each with distinct advantages and limitations.Traditional Surveying Methods:Transit stadia surveys and plane table surveys were widely used traditional surveying methods. These techniques relied on instruments like theodolites and stadia rods for measuring distances and angles,...

Sampling Plans

Sampling Plans

Sampling is a crucial step in analytical chemistry, allowing researchers to collect representative data from a large population. Common sampling methods include random, judgmental, systematic, stratified, and cluster sampling.
Random sampling is a method where each member of the population has an equal chance of being selected for the sample. It involves selecting individuals randomly, often using random number generators or lottery-type methods. For example, when analyzing the properties of a...

You might also read

Related Articles

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

Sort by

Same author

MAPK12 Upregulates PD-L1 Expression in Hepatocellular Carcinoma to Induce Immune Suppression Through the PI3K/AKT/mTOR Pathway.

Journal of biochemical and molecular toxicology·2026

Same author

Identification of genes differentially expressed in granulosa cells from women with high vs. low ovarian responsiveness.

Frontiers in reproductive health·2026

Same author

Spatially interpretable artificial intelligence framework to tailored neoadjuvant dual HER2 blockade in HER2-positive breast cancer.

Signal transduction and targeted therapy·2026

Same author

A Biomimetic Dual-Targeting Nano-APA-Editor Reprograms the 3'UTR Landscape for Tongue Squamous Cell Carcinoma Therapy.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026

Same author

Balancing Reproduction and Survival: Seasonal Body Mass Dynamics in a High-Altitude Primate (<i>Rhinopithecus bieti</i>).

Animals : an open access journal from MDPI·2026

Same author

Iodination of Arenes Driven by Hypervalent Iodine-Based Halogen Bonding: Compatible with Electron-Deficient Arenes.

The Journal of organic chemistry·2026

Search research articles

Related Experiment Video

Updated: May 29, 2025

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

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

Published on: November 25, 2016

Watershed: a more efficient sampling unit for mountain camera traps.

Jun-Jie Li¹, Yi-Hao Fang^1,2, Ji-Cong Zhan¹

¹Institute of Eastern-Himalaya Biodiversity Research, Dali University, Dali, 671003, Yunnan, China.

Scientific Reports

|February 5, 2025

Summary

Watershed sampling effectively captures wildlife diversity in mountainous regions. This approach, using watersheds as sampling units for camera trap (CT) surveys, improves species richness and habitat assessment compared to traditional grid methods.

Keywords:

Biodiversity Species richness Topography spatial sampling design Watershed ecology Wildlife conservation Wildlife monitoring

More Related Videos

Measuring the Structure, Composition, and Change of Underwater Environments with Large-area Imaging

Measuring the Structure, Composition, and Change of Underwater Environments with Large-area Imaging

Published on: April 18, 2025

In Situ Soil Moisture Sensors in Undisturbed Soils

In Situ Soil Moisture Sensors in Undisturbed Soils

Published on: November 18, 2022

Related Experiment Videos

Last Updated: May 29, 2025

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

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

Published on: November 25, 2016

Measuring the Structure, Composition, and Change of Underwater Environments with Large-area Imaging

Measuring the Structure, Composition, and Change of Underwater Environments with Large-area Imaging

Published on: April 18, 2025

In Situ Soil Moisture Sensors in Undisturbed Soils

In Situ Soil Moisture Sensors in Undisturbed Soils

Published on: November 18, 2022

Area of Science:

Ecology
Wildlife Conservation
Spatial Sampling

Background:

Traditional camera trap (CT) surveys use 2D grids, often ignoring mountainous terrain's impact on species distribution.
Complex mountainous terrain, with diverse elevations and habitats, requires specialized sampling strategies for accurate wildlife monitoring.

Purpose of the Study:

To compare the effectiveness of watershed-based sampling with grid and elevation gradient patterns for wildlife camera trapping in mountain forests.
To assess how habitat factors and topography influence CT survey outcomes in complex mountainous environments.

Main Methods:

Contrasted capture rate (CR), species richness, and relative abundance index (RAI) across watershed, grid, and elevation gradient sampling patterns.
Analyzed habitat factor correlations and heterogeneities using Analysis of Similarities (ANOSIM).
Conducted surveys in southwest China's mountain forests under comparable sampling intensities.

Main Results:

Watershed sampling yielded higher CR, species richness, and habitat heterogeneity.
Elevation gradient sampling provided more stable species and RAI compared to the grid pattern.
Topographic factors indirectly influence CT results through vegetation distribution in small-scale mountains.

Conclusions:

Watershed sampling aligns well with mountainous elevation differences and complex topography, enhancing wildlife diversity capture.
Watershed-based spatial sampling designs are recommended for mountainous areas, considering elevation gradients and topography for accurate species distribution studies.