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Surveys of Abandoned Vessels: U.S. Caribbean Region.
| 题名： | Surveys of Abandoned Vessels: U.S. Caribbean Region. |
| 作者： | LORD, C.; MICHEL, J.; NIXON, Z.; ZENGEL, S. |
| 关键词： | SURVEYS |
| 摘要： | The National Oceanic and Atmospheric Administration (NOAA) has a long and diverse interest in grounded and abandoned vessels, but action to address these threats has been limited and focused on specific threats. The U.S. Coral Reef Task Force (CRTF) published their National Action Plan, and identified groundings as a significant factor in the loss of reef habitat. In response to the National Action Plan, NOAA began an investigation of the problems posed by abandoned and derelict vessels on U.S. coral reef habitats. This effort has three elements: (1) development of a database of abandoned vessels; (2) review of existing legal authorities; and (3) site visits, vessel surveys, and prioritization of problem vessels for potential removal. The database and legal review efforts are on going, and NOAA has begun conducting site visits to identify candidate vessels for removal. The following report summarizes survey work conducted during the summer of 2002 in Puerto Rico and the US Virgin Islands. Two types of field surveys were conducted: 1. A full site assessment and completion of a detailed survey form, which was based on the following activities: (a) The current location of the vessel was determined using GPS; (b) The vessel was inspected to the extent possible, recording the vessel type, construction, dimensions, conditions, etc.; (c) A biologist conducted a snorkel survey of the benthic habitats and visual surveys of the adjacent intertidal habitats; and d. The entire site, vessel footprint, and adjacent habitats were filmed using an underwater video and digital photography following a set pattern. 2. A rapid assessment, conducted at vessels with low potential environmental impact or restoration value, consisting of the following activities: (a) The current location of the vessel was determined using GPS; (b) The vessel type and dimensions were recorded; (c) A biologist made a quick site assessment; and (d) The site was photographed and videotaped. |
| 报告类型： | 科技报告 |
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