Reply to Ziegler et al. “Adding perspectives to: Global trends in carbon dioxide (CO2) emissions from fuel combustion in marine fisheries from 1950-2016” and addressing concerns of using fishing effort to predict carbon dioxide emissions

Krista Greer, Dirk Zeller, Jessika Woroniak, Angie Coulter, Maeve Winchester, M. L.Deng Palomares, Daniel Pauly

Research output: Contribution to journalReview article

2 Citations (Scopus)

Abstract

There are currently two separate approaches for estimating global CO2 emissions from marine fishing. One approach uses catch-based fuel use intensity (FUI) estimates for well-studied areas/fisheries to estimate FUI in data poor regions. The second approach, effort-based FUI, uses reconstructed fishing effort data to estimate fuel use based on vessel size and fishing times. Both methods utilize assumptions which are inherently uncertain; the advantages and disadvantages of each method are discussed. The two approaches are found to be complementary to one another, not contradictory, and global estimates of CO 2 emissions from marine fishing should be based on a combination of both approaches, depending on the data locally available.

Original languageEnglish
Article number103491
JournalMarine Policy
Volume107
DOIs
Publication statusPublished - Sep 2019

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