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- Title
Ground-truthing the ground-truth: reply to Garibaldi et al.'s comment on “Managing fisheries from space: Google Earth improves estimates of distant fish catches”.
- Authors
Al-Abdulrazzak, Dalal; Pauly, Daniel
- Abstract
There has been a growing interest in the potential of Google Earth for scientific inquiries, and our previous paper (Al-Abdulrazzak and Pauly, 2014. Managing fisheries from space: Google Earth improves estimates of distant fish catches. ICES Journal of Marine Science, 71: 450–454) on weirs and their catch in the Persian Gulf is a case in point. Garibaldi et al. (2014. Comment on: “Managing fisheries from space: Google Earth improves estimates of distant fish catchs” by Al-Abdulrazzak and Pauly. ICES Journal of Marine Science), while agreeing in principle with using Google Earth for fisheries-related purposes, criticized the assumptions, data, methodology, and results of this paper. Here, we refute their criticisms, notably by showing that the “derelict weirs” that they thought they had “ground-truthed” are not weirs at all, but another type of fishing gear in one case, and debris from a boat anchoring system in the other. We develop the theme that ground-truthing requires local knowledge, and provide recommendations for using Google Earth images in fisheries management.
- Subjects
PERSIAN Gulf; FISHERY management; GOOGLE Earth (Web resource); FISHERIES; OCEANOGRAPHY; FISHING
- Publication
ICES Journal of Marine Science / Journal du Conseil, 2014, Vol 71, Issue 7, p1927
- ISSN
1054-3139
- Publication type
Article
- DOI
10.1093/icesjms/fsu103