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Related Concept Videos

Migration00:53

Migration

Migration is long-range, seasonal movement from one region or habitat to another. This common strategy, carried out by many different organisms around the world, is an adaptive response that typically corresponds to changes in an organism’s environment, like resource availability or climate. Migrations can involve huge groups of thousands of animals as well as single individuals traveling alone and can range from thousands of kilometers to just a few hundred meters.
Design Example: Alignment of a Road Line Using GIS01:17

Design Example: Alignment of a Road Line Using GIS

The alignment of a road line using Geographic Information Systems (GIS) is a critical process in civil engineering, combining advanced technology with practical decision-making. This methodology begins with the collection of geospatial data, including information on land cover, geomorphology, drainage patterns, slope, and contour details. Such data is typically acquired through satellite imagery and GIS tools, offering a comprehensive understanding of the terrain.Once the data is gathered, it...
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.
Habitat Fragmentation02:31

Habitat Fragmentation

Habitat fragmentation describes the division of a more extensive, continuous habitat into smaller, discontinuous areas. Human activities such as land conversion, as well as slower geological processes leading to changes in the physical environment, are the two leading causes of habitat fragmentation. The fragmentation process typically follows the same steps: perforation, dissection, fragmentation, shrinkage, and attrition.
Conservation of Small Populations02:04

Conservation of Small Populations

Small population sizes put a species at extreme risk of extinction due to a lack of variation, and a consequent decrease in adaptability. This weakens the chances of survival under pressures such as climate change, competition from other species, or new diseases. Large populations are more likely to survive pressures such as these, as such populations are more likely to harbor individuals that have genetic variants that are adaptive under new stresses. Small populations are much less likely to...
Optimal Foraging00:48

Optimal Foraging

How animals obtain and eat their food is called foraging behavior. Foraging can include searching for plants and hunting for prey and depends on the species and environment.

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Related Experiment Video

Updated: Jun 17, 2026

Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm
11:53

Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm

Published on: December 9, 2012

Identifying and prioritizing ungulate migration routes for landscape-level conservation.

Hall Sawyer1, Matthew J Kauffman, Ryan M Nielson

  • 1Western Ecosystems Technology, 2003 Central Avenue, Cheyenne, Wyoming 82001, USA. hsawyer@west-inc.com

Ecological Applications : a Publication of the Ecological Society of America
|December 18, 2009
PubMed
Summary

Conservation efforts for migratory ungulates require identifying critical migration routes. This study introduces a framework using the Brownian bridge movement model (BBMM) to map and prioritize these routes, distinguishing between stopover sites and movement corridors for effective wildlife management.

Related Experiment Videos

Last Updated: Jun 17, 2026

Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm
11:53

Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm

Published on: December 9, 2012

Area of Science:

  • Wildlife ecology
  • Conservation biology
  • Movement ecology

Background:

  • Habitat loss and fragmentation threaten ungulate migration routes.
  • Urgent need for effective conservation strategies to protect migratory species.

Purpose of the Study:

  • To present a general framework for identifying and prioritizing ungulate migration routes for conservation.
  • To apply this framework to a migratory mule deer population in Wyoming.
  • To inform conservation efforts in areas with proposed energy development.

Main Methods:

  • Utilized the Brownian bridge movement model (BBMM) for probabilistic estimation of migration routes.
  • Differentiated between stopover sites (high residency) and movement corridors (high speed).
  • Prioritized routes based on the proportion of the sampled population utilizing them.

Main Results:

  • Successfully delineated mule deer migration routes in relation to proposed energy infrastructure.
  • Identified distinct stopover sites and movement corridors within the migration routes.
  • Demonstrated that route prioritization based on usage levels is feasible.

Conclusions:

  • The BBMM framework provides a robust method for mapping and prioritizing wildlife migration corridors.
  • Management strategies should differentiate between stopover sites and movement corridors for effective conservation.
  • This approach is applicable to various species facing threats to their migratory routes.