Proceedings of the First Conference on Scientific Research in the National Parks, New Orleans, Louisiana, November 9-12, 1976
Guide and Commercial Fishing data are collected with daily catch reports submitted monthly by fishermen on trip tickets. ... Boats were also categorized by type as sport fishing, commercial fishing, sail, canoe, houseboat/cruiser, or National Park Service patrol. ... The accuracy of the aerial boat surveys was evaluated by comparing the known presence of ranger patrol boats in general areas, such asanbsp;...
| Title | : | Proceedings of the First Conference on Scientific Research in the National Parks, New Orleans, Louisiana, November 9-12, 1976 |
| Author | : | Robert M. Linn |
| Publisher | : | - 1979 |
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