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Updated: Jan 25, 2026

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

Evidence Types and Trends in Tropical Forest Conservation Literature.

Z Burivalova¹, D Miteva², N Salafsky³

¹Woodrow Wilson School of Public and International Affairs, Princeton University, Princeton, NJ, USA; Department of Forest and Wildlife Ecology and the Nelson Institute of Environmental Studies, University of Wisconsin Madison, Madison, WI, USA.

Trends in Ecology & Evolution

|May 4, 2019

Summary

A new framework classifies conservation evidence to assess study rigor. Despite more rigorous research, biodiversity hotspots lack sufficient conservation effectiveness data.

Keywords:

certification community forest management conservation effectiveness evidence-based conservation payments for ecosystem services protected areas

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Last Updated: Jan 25, 2026

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Simulating Impacts of Ice Storms on Forest Ecosystems

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Area of Science:

Conservation Science
Environmental Policy
Ecology

Background:

Conservation decisions increasingly rely on scientific evidence.
Variability in methodological rigor of studies challenges evidence-based conservation.
Need for standardized evaluation of conservation effectiveness literature.

Purpose of the Study:

To present a framework for classifying conservation evidence.
To evaluate the strengths, weaknesses, and biases in conservation literature.
To assess evidence for tropical forest conservation strategies.

Main Methods:

Developed a simple framework to classify conservation evidence types.
Applied the framework to evaluate evidence for four key tropical forest conservation strategies.
Analyzed trends in methodological rigor and geographic representation of studies.

Main Results:

A classification framework for conservation evidence was established.
Evidence for tropical forest conservation strategies was evaluated using the framework.
An increase in methodologically rigorous studies was observed over time.
Biodiversity-rich countries are under-represented in conservation effectiveness research.

Conclusions:

The framework aids in understanding conservation evidence quality.
Current evidence base is insufficient for many biodiversity hotspots.
Further research is needed to address geographic biases in conservation science.