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Seabirds as samplers of the marine environment
Seabirds as samplers of the marine environment

... 1998; Davoren et al., 2003; Jahncke et al., 2005). The second approach was to equip seabirds with telemetric devices and/or data-logging units (e.g. Jouventin and Weimerskirch, 1990; Wilson et al., 2002; Wilson and Vandenabeele, 2012). These devices record the bird’s position and/or other parameters ...
METHODS
METHODS

coral taxonomy, coral bleaching, scuba diving and intertidal
coral taxonomy, coral bleaching, scuba diving and intertidal

... zooxanthellae decline and / or (ii) the concentration of photosynthetic pigments within the zooxanthellae fall (Kleppel et al. 1989). Most reef-building corals normally contain around 15 x 106 zooxanthellae cm-2 of live surface tissue and 2-10 pg of chlorophyll a per zooxanthella. When corals bleach ...
coral taxonomy, coral bleaching, scuba diving
coral taxonomy, coral bleaching, scuba diving

... zooxanthellae decline and / or (ii) the concentration of photosynthetic pigments within the zooxanthellae fall (Kleppel et al. 1989). Most reef-building corals normally contain around 15 x 106 zooxanthellae cm-2 of live surface tissue and 2-10 pg of chlorophyll a per zooxanthella. When corals bleach ...
Steely-Eyed Hydronauts of the Mariana
Steely-Eyed Hydronauts of the Mariana

... the US Navy; and oceanographer Jacques Piccard, son of the vehicle’s inventor. At 76 years of age, Auguste himself was unable to take part personally. The two hydronauts were expected to be confined in their battery-powered pressure sphere for over eight hours, including almost four hours each for t ...
MAR-ECO research expedition to the Charlie
MAR-ECO research expedition to the Charlie

... will serve the MAR-ECO mammals’ component, which is investigating whether mammals are particularly concentrated in the mid-Atlantic Ridge area. The scientists reported that everything went pretty well in both dives, which took about 12 hours, each, with eight hours bottom time. They underlined, howe ...
a pdf version
a pdf version

... Food tests commissioned for BBC Northern Ireland have found two out of 10 products labelled as cod did not contain any traces of that fish whatsoever. Bad news for trade descriptions, good news for cod. MSC accused of making sustainable certification too easy The sustainability of one third of all s ...
Teacher lesson plan pdf - eGFI
Teacher lesson plan pdf - eGFI

... can prolong their visit below the surface for a lot longer than they can hold their breath! Expert divers have set records exploring ocean depths of approximately 1000 feet (305 meters), but, ost scuba divers swim closer to shore where the water is shallower. Scuba diving requires training as well a ...
1

Dive planning

Dive planning is the process of planning an underwater diving operation.The purpose of dive planning is to increase the probability that a dive will be completed safely and the goals achieved. Some form of planning is done for most underwater dives, but the complexity and detail considered may vary enormously.Professional diving operations are usually formally planned and the plan documented as a legal record that due diligence has been done for health and safety purposes. Recreational dive planning may be less formal, but for complex technical dives, can be as formal, detailed and extensive as most professional dive plans.A professional diving contractor will be constrained by the code of practice, standing orders or regulatory legislation covering a project or specific operations within a project, and is responsible for ensuring that the scope of work to be done is within the scope of the rules relevant to that work.A recreational (including technical) diver or dive group is generally less constrained, but nevertheless is almost always restricted by some legislation, and often also the rules of the organisations to which the divers are affiliated.The planning of a diving operation may be simple or complex. In some cases the processes may have to be repeated several times before a satisfactory plan is achieved, and even then the plan may have to be modified on site to suit changed circumstances.A diving project may consist of a number of related diving operations.The final product of the planning process may be formally documented or, in the case of recreational divers, an agreement on how the dive will be conducted.A documented dive plan may contain elements from the following list:Overview of Diving ActivitiesSchedule of Diving OperationsSpecific Dive Plan InformationBudget↑ ↑ ↑
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