SNAPP TEAM:Ridges To Reefs Fisheries
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Where can cost-effective conservation help secure both fish populations and local coastal economies that are experiencing the negative effects of different land uses?

Land-based activities, like farming and logging, can have harmful impacts on marine ecosystems. However, the links that connect land use and marine ecosystems are poorly understood because of a lack of data and models. This becomes an increasingly important issue as land along the world’s coasts become more populated and developed, and the pressure on fisheries and marine resources increases.

 

OUR APPROACH: This team developed a tool that helps determine the impact of runoff from land use changes on coastal water quality. Additionally, they looked at the effect of logging on juvenile coral reef fisheries production. These results advance our understanding of land-use impacts on fisheries, allowing conservation groups to better protect both fisheries and the local livelihoods that depend upon them.

Team Status: COMPLETED
Team Critical Challenge: Food Security and Nature
Results

Modeling Land Use Change Impacts on Coastal Water Quality
Most models that link ocean pollution to land-based sources require extensive datasets, which are often unavailable for coral reef regions. In response, the team developed a model that uses freely available satellite data to estimate the influence of multiple water catchments on coastal water quality. The results of this model have informed the design of the Bua Province Integrated Coastal Management Plan for the next five to 10 years.

 

Logging Degrades Bumphead Parrotfish Nursery Habitat
To focus on a clear, tangible connection between land use and marine conservation efforts, the team studied the effect of logging operations on bumphead parrotfish nursery habitat in the Solomon Islands, and found that areas near logging ponds had 24 times fewer juvenile parrotfish than control sites. The Nature Conservancy and local communities used this evidence to stop an illegal logging operation in the Solomon Islands and to demonstrate logging’s impact on local food security. Looking forward, this analysis provides traction for conservation programs aimed at protecting forests adjacent to reef fish nursery grounds.

 

Impacts

“If you are interested in preserving your fisheries, you have to use good, sustainable land practices.”

– Richard Hamilton, Team Member

 

Key Products
Logging degrades nursery habitat for an iconic coral reef fish

This paper in Biological Conservation details the results of a study the team conducted in fringing coastal reefs that show that there are about 24 times fewer juvenile parrotfish in ponds near logging operations, compared to farther operations.

 

 

A tale of two pods: The impacts of land-use change on reef fisheries

This short film was based on the research from this SNAPP team and was created as part of an animation project designed to communicate the impacts of land-based activities on aquatic ecosystems.

Reducing the impact of palm oil development on coral reefs

In this study published in Biological Conservation, the team predicted the response of coral and seagrass ecosystems to different land-use scenarios and intensities in which palm oil is expanded.

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Team
Leaders
Carissa Klein
University of Queensland
Chris Brown
Griffith University
Hugh Possingham
The Nature Conservancy
Members
Alexa Fredston-Hermann
University of California, Santa Barbara
Amelia Wenger
University of Queensland
Ben Halpern
National Center for Ecological Analysis and Synthesis (NCEAS), University of California, Santa Barbara
Hsien-Yung Lin
University of Queensland
James Watson
Wildlife Conservation Society
Joanna Nelson
The Nature Conservancy; Stanford University
John Lynham
University of Hawai’i
Joseph Maina Mbui
Wildlife Conservation Society
Ken Anthony
Australian Institute of Marine Science
Kendall Jones
University of Queensland
Lida Teneva
Conservation International
Megan Saunders
University of Queensland
Michael Bode
University of Melbourne
Peter Mumby
University of Queensland
Richard Hamilton
The Nature Conservancy
Sangeeta Mungabhai
Wildlife Conservation Society
Simon Albert
University of Queensland
Stacy Jupiter
Wildlife Conservation Society
Tessie Liddell
Griffith University
Vivitskia Tulloch
University of Queensland
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