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Related Experiment Video

Updated: May 28, 2025

Watershed Planning within a Quantitative Scenario Analysis Framework

Watershed Planning within a Quantitative Scenario Analysis Framework

Published on: July 24, 2016

Potential for synergistic conservation through area-based strategies.

Li Zhang¹, Yanwen Fu^1,2, Jiaxin Li³

¹State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China.

Conservation Biology : the Journal of the Society for Conservation Biology

|February 14, 2025

Summary

Area-based conservation (ABC) may not effectively protect all species due to uneven species distribution. This study shows that protected areas for mammals and birds may not adequately conserve fish populations, necessitating targeted fish conservation strategies.

Keywords:

biodiversidad biodiversity decoupling desvinculación fish patrones espaciales peces relación especie‐área spatial patterns species–area relationships

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Area of Science:

Conservation Biology
Biodiversity Studies
Spatial Ecology

Background:

The biodiversity crisis challenges the efficacy of area-based conservation (ABC).
Riverine fish possess linear habitats, complicating synergistic conservation assessments.
Uncertainty exists regarding the effectiveness of ABC for diverse taxonomic groups.

Purpose of the Study:

To evaluate the synergistic conservation potential of ABC for fishes, mammals, and birds.
To assess the reliability of area sampling using species-area relationships and latitudinal dependence.
To model spatial species richness distribution and overlap among these groups.

Main Methods:

Utilized IUCN and RivFishTIME data up to 2020 for fishes, mammals, and birds.
Applied species-area relationship and latitudinal dependence analyses.
Developed a spatial model to map species richness and overlap across different group combinations.

Main Results:

A significant power function relationship (R² = 0.94–0.96) was observed between area and species richness.
Species richness distribution was uneven across the studied groups, indicating limited synergistic conservation potential.
Spatial overlap was significantly lower for fish-bird and fish-mammal combinations compared to mammal-bird combinations.

Conclusions:

Synergistic conservation potential for multiple groups is not universally promising due to uneven species distribution.
Fishes are outliers, requiring dedicated conservation planning in terrestrial ecosystems.
Protected areas designed for mammals and birds may not suffice for fish conservation; multitarget strategies need careful consideration for all groups.