Related Experiment Video
Updated: Jun 16, 2026

14:44
Field Collection and Laboratory Maintenance of Canopy-Forming Giant Kelp to Facilitate Restoration
Published on: June 7, 2024
Payments for ecosystem services as a framework for community-based conservation in northern Tanzania
Fred Nelson1, Charles Foley, Lara S Foley
1Maliasili Initiatives, P.O. Box 8372, Arusha, Tanzania. fnelson@habari.co.tz
Summary
Payments for ecosystem services (PES) incentivize conservation by rewarding local communities for maintaining ecosystems. This approach shows promise for wildlife conservation in sub-Saharan Africa, particularly in savannah ecosystems.
Area of Science:
- Conservation Science
- Ecosystem Services
- Community-Based Natural Resource Management
Background:
- Payments for Ecosystem Services (PES) are emerging conservation tools, but operational examples in sub-Saharan Africa are scarce.
- Large mammal populations in savannah ecosystems face decline due to habitat loss and limited local benefits from wildlife.
- Community-based conservation often struggles with institutional barriers hindering local rights and economic gains.
Purpose of the Study:
- To assess the effectiveness of a Payments for Ecosystem Services (PES) scheme in a Tanzanian savannah ecosystem.
- To explore how PES can reconcile local livelihoods with national conservation goals.
- To provide an operational model for wildlife conservation outside protected areas.
Main Methods:
- A tourism operator consortium partnered with a local village to implement a PES agreement.
- The agreement involved community enforcement of land-use restrictions in a critical wildlife dispersal area.
- Financial incentives were provided to the community for conservation stewardship.
Main Results:
- The initiative established a potentially cost-effective framework for community-based conservation.
- It facilitated reconciliation of land tenure, pastoralist livelihoods, and conservation interests.
- The scheme demonstrated a practical application of PES for wildlife conservation in the region.
Conclusions:
- PES schemes can be adapted for wildlife conservation in savannah ecosystems, especially where local stewardship is key.
- This model offers a viable strategy for addressing conservation challenges outside protected areas in sub-Saharan Africa.
- Successful implementation requires addressing institutional barriers and ensuring local benefits from conservation efforts.
Related Concept Videos
What is Conservation Biology?
Conservation biology is a scientific field that focuses on the preservation of biodiversity in order to protect ecosystems while meeting the needs of the human population. Humans require properly functioning ecosystems to maintain our supply of natural resources, including food, medicines, and building materials.
What is an Ecosystem?
Overview
Community Based Intervention
Community-based interventions in mental health represent a paradigm shift from institution-centered care to treatments embedded within the fabric of local communities. By prioritizing inclusion and leveraging existing societal structures, this approach fosters a supportive environment conducive to addressing mental health challenges while promoting individual dignity and agency.
Foundations of Community Mental Health Programs
Central to the success of community-based interventions is the...
Foundations of Community Mental Health Programs
Central to the success of community-based interventions is the...
Biodiversity and Human Values
Human civilization relies on biodiversity in many ways. Sudden changes in species biodiversity result in environmental changes that can modify weather patterns and therefore human civilizations.
Trophic Efficiency
Trophic level transfer efficiency (TLTE) is a measure of the total energy transfer from one trophic level to the next. Due to extensive energy loss as metabolic heat, an average of only 10% of the original energy obtained is passed on to the next level. This pattern of energy loss severely limits the possible number of trophic levels in a food chain.
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...

