Posts with the category “underwater-conservation”
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Going Up
April 7th, 2022
Every night as the sun slips below the horizon, countless aquatic creatures begin migrating up from the deep in what is quite possibly the greatest show on Earth. Seeking nourishment in shallow water... Read More
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Mexico’s Sardine Run
April 7th, 2022
Finding a submerged ball of sardines in the open ocean is extremely unlikely by happenstance. Successful encounters occur when divers adopt the same protocols as the seasoned skippers of the sportfish... Read More
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A Sense of Purpose
April 2nd, 2022
Christy Pattengill-Semmens, Ph.D. As co-executive director of the nonprofit Reef Environmental Education Foundation (REEF) she oversees the Volunteer Fish Survey Project, one of the world’s largest an... Read More
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The Argonaut Octopus and the jellyfish
March 30th, 2022
The form of a shelled argonaut octopus clutching a jellyfish takes shape just as the odd couple breaks the surface and bobs in a ring of ripples. Before I can catch my breath, the octopus dives, easil... Read More
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Pool Operation: Know Before you Go
March 30th, 2022
The challenge is keeping the balance in an ever-changing environment. Any pool built for public use, whether at an aquatic complex or a hotel, should have a certified pool operator (CPO) who has the k... Read More
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Titan Meets Titanic
March 30th, 2022
Rush understood that the Titanic is the rare underwater site that billions of people recognize and would draw both interest and funding to his efforts. Once OceanGate decided to take people to the Tit... Read More
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Underwater Photographer: Fred Buyle
March 26th, 2022
Mark Addison had luck freediving with sharks in the Indian Ocean off the east coast of South Africa. He had discovered that if we waited for warm, clear water to come in over the pinnacles, we might e... Read More
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Underwater Smartphone Photography
March 26th, 2022
Smartphones with underwater housings have some advantages over large camera rigs, such as the ability to fit in smaller environments. You can use this advantage to get angles of the subjects that othe... Read More
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Chasing Weeds
March 26th, 2022
Sargassum is a floating, golden-brown macroalgae with pearl-sized air bladders that resemble grapes buoying thick leaves. Wind and waves weave together the leaves to form large, nearly impenetrable ma... Read More
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On a Mission: Critter hunting in Washington’s Salish Sea
November 30th, 2021
There’s a big difference between casual, submerged sightseeing — happy-snapping pictures of whatever you run across while blowing bubbles — and diving dedicated to carefully searching select sites, so... Read More
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Answering the Call
November 25th, 2021
In Wild Seas, his new book published by National Geographic, Thomas Peschak ponders his career path: “My life as a National Geographic photographer has been socially isolating, emotionally exhausting ... Read More
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Celebrating Seagrass
November 25th, 2021
The benefits of protecting seagrass cannot be overstated. Seagrass purifies the water, helps protect against coastal erosion, helps sustain small-scale fisheries that support communities, and increase... Read More
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The Blue Desert Conundrum
November 19th, 2021
Crystal-clear, nutrient-richwaters may exist in polar seas in the darkness of winter, but elsewhere nutrients in the presence of sunlight nourish phytoplankton, which turns the water green with chloro... Read More
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Seeking an Octopus
November 19th, 2021
New data can show that we aren’t quite as good at understanding nature as we think. New findings can cause us to reassess what we think we know about the beautiful and immensely enigmatic underwater w... Read More
Categories
2022
January
February
UNCERTAINTY AFTER DIVING: Case Report and Recommendations #1.UNCERTAINTY AFTER DIVING: Case Report and Recommendations #2UNCERTAINTY AFTER DIVING: Case Report and Recommendations #3UNCERTAINTY AFTER DIVING: Case Report and Recommendations #4DIVERS LOSING ACCESS TO EMERGENCY CAREPreventing Breathing gas Contamination
March
When Should the Rescue Begin?Celebrating Young and Old in Turks and CaicosScuba Cylinder RundownChasing WeedsUnderwater Smartphone PhotographyAir and a SpareUnderwater Photographer: Fred BuyleBuilding Better BalanceLow-Visibility DivingMore Than a Sore ShoulderNot Only for DivingLaryngospasm and AnxietyPulmonary Hypertension and DivingTitan Meets TitanicPool Operation: Know Before you GoThe Argonaut Octopus and the jellyfishShort but Beautiful Lives
April
A Sense of PurposeMexico’s Sardine RunHigh-Pressure Hose injuriesA Hole in My HeartGoing UpConcussion and Return to DivingMarfan Syndrome Recommendations.South African Sardine Run by Walter BernardisSouth African Sardine Run By ProdiveSardine Run Port Elizabeth by ProDiveSardine Run Port St Johns by ProDiveScuba Diving In MauritiusScuba Diving in TanzaniaScuba Diving in the SeychellesScuba Diving in Nosy BeScuba Diving in MalawiScuba Diving in KenyaScuba Diving in South AfricaScuba Diving in Mozambique
2021
March
Old Habits Die HardSave a Diver, Save YourselfCylinder SafetyUndercover CrabsReef safe sunscreenPhysics, Biophysics and Decompression SicknessModels and Marine LifeSunscreen and CoralCristina Mittermeier: Commitment to ConservationDiving After a StrokeCurrent DivesThis Bites: Prevention TreatmentEnvironmental Considerations for Disinfection
April
Aqua Pool Noodle ExercisesUnderwater Photographer and DAN Member Madelein Wolfaardt10 Simple Things You Can Do to Improve Your Underwater PhotographyCOVID-19 and Diving: March 2021 UpdateDiver Return After COVID-19 Infection (DRACO): A Longitudinal AssessmentGuidelines for Lifelong Medical Fitness to DiveExperienceFitness Myth or Fitness Fact?The Safety of Sports for Athletes With Implantable Cardioverter-DefibrillatorsCardiovascular Fitness and DivingHypertensionPatent Foramen Ovale (PFO)Headaches and DivingMiddle-Ear Barotrauma (MEBT)O’Neill Grading SystemMask Squeeze (Facial Barotrauma)Sinus BarotraumaInner-Ear Barotrauma (IEBT)Middle-Ear EqualisationAlternobaric VertigoDecompression IllnessOn-Site Neurological ExaminationTreating Decompression Sickness (The Bends)Top 5 Factors That Increase Your Risk of the BendsHow to Avoid Rapid Ascents and Arterial Gas EmbolismUnintended Rapid Ascent Due to Uncontrolled InflationUnexpected Weight LossFlying After DivingWisdom Tooth Extraction and DivingYour Lungs and DivingScuba Diving and DiabetesDiving after COVID-19: What We Know TodaySwimmer’s Ear (Otitis Externa)Motion SicknessFitness for DivingDiving After Bariatric SurgeryWhen to Consult a Health-Care Provider Before Engaging in Physical ActivitiesFinding Your FitnessHealth Concerns for Divers Over 50Risk Factors For Heart Disease