Related Experiment Video
Updated: Jun 13, 2025

14:34
Biocontained Carcass Composting for Control of Infectious Disease Outbreak in Livestock
Published on: May 6, 2010
10.9K
Rethinking livestock encroachment at a protected area boundary
1School for Environment and Sustainability, University of Michigan, Ann Arbor, MI 48109.
Summary
Livestock grazing in Kenya's Maasai Mara National Reserve did not significantly harm wild herbivores. Conservation policies should reconsider strict livestock exclusion to balance human and wildlife needs.
Area of Science:
- Conservation biology
- Wildlife ecology
- Social-ecological systems
Background:
- Livestock encroachment in protected areas is a global conservation issue, often linked to negative wildlife impacts.
- The Maasai Mara National Reserve (MMNR) faces conflict due to perceived livestock effects on wildlife, leading to exclusion policies for Maasai pastoralists.
- Limited research exists on the social-ecological context of livestock-wildlife interactions within MMNR.
Purpose of the Study:
- To investigate the ecological impact of cattle presence on wild herbivores within the Maasai Mara National Reserve.
- To assess resource availability in relation to livestock presence near the MMNR boundary.
- To inform conservation and management strategies by examining the nuances of livestock-wildlife coexistence.
Main Methods:
- Conducted 19 months of ecological monitoring across 60 sites in MMNR.
- Employed Hierarchical Modeling of Species Communities and Gaussian copula graphic models.
- Analyzed associations between cattle and wild herbivores, and resource degradation.
Main Results:
- Cattle presence at current intensities did not significantly impact most co-occurring wild herbivores.
- No direct negative or positive associations were found between cattle and nearly all wild herbivores.
- Resource degradation was not detected in areas with cattle presence near the MMNR boundary.
Conclusions:
- The ecological impacts of extensively herded livestock on wildlife may be more nuanced than previously assumed.
- Rigid livestock exclusion measures in MMNR require reassessment to incorporate herbivore ecology and local socio-political factors.
- Balancing the needs of people, livestock, and wildlife necessitates a holistic approach to protected area management.
More Related Videos
Related Concept Videos
Threats to Biodiversity
22.2K
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...
22.2K
Habitat Fragmentation
17.4K
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.
17.4K
Zones of Protection
153
In power systems, the entire setup is divided into protective zones to isolate faults and protect the rest of the network. These zones include generators, transformers, buses, transmission lines, distribution lines, and motors. Each zone can be visualized as a separate room in a house, with each room protected by its own circuit breaker.
Protective zones are defined by closed dashed lines, containing one or more components. A key characteristic of these zones is the strategic placement of...
Protective zones are defined by closed dashed lines, containing one or more components. A key characteristic of these zones is the strategic placement of...
153
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
Migration
7.9K
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.
7.9K
Competition
21.5K
When organisms require the same limited resources within an environment, they may have to compete for them. Competition is a net-negative interaction. Even if two competing individuals or populations do not interact directly, the overall fitness of both competitors is lowered as a result of not having full access to the limited resource.
21.5K

