August 2020
FROM EGYPT TO THE WORLD
DIVENTURES
EDITOR NOTE
Dear readers ... Welcome to the August 2020 issue, the eighth issue of Diventures Magazine. Finally ... we dived after a long period, and many of us noticed the difference and noticed the environmental impact during the lockdown, so I hope that all of us help in the preservation of our marine environment, so that this positive effect lasts for long. We would like to thank photographer Robert Stansfield for gifting us a cover photo of a smiling Parrot Fish. Finally ... We ask for your support to us on the Patreon platform to help us continue, and for Diventures Magazine to remain free to reach its message to all those interested in the field of diving. Magazine Cover
Mohsen Nabil Founder
Smiling Parrot Photographed By
Robert Stansfield
Support Us
PATREON
SCUBA NEWS
Safari ‌ With Diventures With the resumption of diving activity ... Diventures Magazine, in cooperation with Sadko Safari Fleet, coordinated two safari diving trips to shipwrecks in the northern Red Sea (Thistlegorm
and Abu Nahas) and another trip to Brithers Islands in the southern Red Sea. Brothers Islands trip was considered one of the first trips that set out from Hurghada in the direction of the south of the Red Sea after
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COVID19 lockdown, and we were the first to arrive to the Brothers' Islands, and we were the only ones in this site known for its many divers, as well as the Salem Express wreck, and the wonderful panorama reef, and we enjoyed watching hammerhead sharks. , white tip sharks, moray eel,
and sea turtle. On the trip north, we visited the Abu Nahas wrecks and the wonderful shipwreck of the Thistlegorm,
and
we
saw
many
dolphins,
approaching us and swimming around us as if they were welcoming us back again after a long
absence.
Diventures Magazine
6
SCUBA NEWS
Environmental Disaster in Mauritius As if this planet is destined to not recover from the human influence on it, after COVID19 lockdown and its positive impact on the environment, fuel leaked in Siberia in Russia, and not a while
later, another oil leak occurred in Mauritius. Mauritius government officials said today, Saturday, that the Japanese ship that spilled tons of oil near the protected areas off the island in the Indian Ocean split in half, causing the remaining fuel to leak into the clear waters.
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Environmental groups have warned that the damage to coral reefs and coastal areas may never be compensated. The ship "MV Wakachio" collided with coral reefs on July 25, and its hull began to crack days after heavy waves collided with it, as 1000 tons of fuel began to leak from the tanker on the sixth of August. After the government declared an environmental emergency,
thousands of volunteers rushed to the beach to set up makeshift barriers of cloth stuffed with sugar cane leaves and even human hair, attached to empty bottles to keep them afloat. The country of 1.3 million people relies heavily on tourism and has been hit by economic problems due to travel restrictions imposed
during the coronavirus pandemic.
Diventures Magazine
August 2020
8
POETRY Waves of Love I have never been a king. "
Or descended from the dynasty of kings ... Or a bride "and put on a wedding dress ... All that is, I am a woman ... I practice my hobby of thinking about you ... I talk to you how I feel about you .. I walked with the prompt so as not to disturb you ... Your shells and fish followed me ... How beautiful I am when I hug you and kiss your
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waves ... I know you miss my hugs ... Even though I am far from you, do you remember me
and my fleeting flight ... Get away from you a little, not a desire to distance yourself ... I star at you and look at your details ... It's the smell of your butter ... Nobody can remove your scent from the pores of my
skin Give me a chance to find your depths ... I would rather travel with you without certainty ... Do not discuss with me the law of my love for you ... O sea Diventures Magazine
Afaf Ba
Saudi Poe August 2020
Yes, I do not like to reveal you ... Love in the law of mankind is a crime .... Let me tell you about my days without you .... Rhymes are now truncated ... My vocabulary became a cloud ... Boredom making love behind the scenes Let me live on your land ... To be liberated from the laws of gravity ... I have reached a point of no return ... Going with you and to you is the go you will not
return ...
To teach me without hurting me ... I am a woman who forgot my wild history ... And deported with you without a passport ... I traveled to the depths of you, but to your city, which
is crowded with dangers ... You searched your wandering waves ... and searched the belly of your shells Will you protect me ... and make me a shining star ... Or will you leave me carrying your mention in my pink pages ...
aJaber
et & Diver 8th ISSUE
Let's make love together ... and be born again with you DIVENTURES MAGAZINE
10
I will ask you to help me ... without killing me
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SCUBA
13
TRY SCUBA DIVING
Diventures Magazine
August 2020
Have you always thought about trying scuba diving to find out what caused it all? Sometimes you have to try things to make sure they it works for you before committing. This is why the Try Scuba Diving or Discover Scuba
you!
Fortunately, many dive organizations offer a Discover Scuba Course, under professional supervision. Signing up for
this
program
helps
people
determine if diving is suitable for them
in
a
closely
supervised
environment.
8th ISSUE
DIVENTURES MAGAZINE
14
Program is the perfect program for
SCUBA
There will also be a self-assessment medical questionnaire to make sure you are fit and healthy enough to go scuba diving. We can’t talk while we are underwater, so we’re using hand signals to communicate but your coach will show you these signals before you enter the
15
water. I am afraid you will have a quick The Discover Scuba Diving Program is a
lesson in physics and biology at first. This
quick introduction to the underwater
is so that you understand the factors that
world without any formal qualifications.
will go in when you are underwater and
You literally try before diving. However,
why you should take care of them to keep
there are a few things you need to know
you safe and healthy while diving. Also
before you take a dive; You must be at
when you dive under the surface, due to
least 8 years old, due to lung development.
pressure, you need to balance your ears
Younger children are not suitable to take
just as you would on a plane. It will show
part in a dive because their bodies have
you how to do this, but this is something
not developed enough yet to handle the
you should keep in mind if you have
stresses and complications of diving, so
problems with ear pressure. Your mask
wait until they are a little older. It would
might get a little wet on the inside but
definitely also be helpful if you knew how
don't worry, you can remove the water
to swim beforehand, as you might imagine
from your mask without coming out onto
scuba diving involves a bit of swimming!
the surface.
Diventures Magazine
August 2020
You can do this by looking up and exhaling through your nose. It is an easy skill that most divers practice in every dive. Once again, your instructor will show you how to do this. Scuba diving
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experience is available at most local dive centers, and you can find it by doing a good
search
on
the
Internet
or
contacting diving organizations to find the best course for you. Have you ever tried scuba diving? Did it inspire you to keep diving?
7th ISSUE
DIVENTURES MAGAZINE
17
MARINE SCIENCE
Precautions and Practices: Protecting Yourself and Others
Diventures Magazine
August 2020
3D printed terracotta tiles are the latest innovation of artificial reefs. The tiles were recently deployed in Hong Kong's Hui Ha Wan Park, a Biodiversity Area of Excellence, a joint innovation of
University of Hong Kong. Hoi Ha Wan is home to three-quarters of
Hong Kong's coral reefs and more than 120 species of fish, but biological erosion, coral bleaching, and coral killing have endangered the area's reefs.
8th ISSUE
DIVENTURES MAGAZINE
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architects and marine scientists at the
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MARINE SCIENCE The first batch of 128 clay coral tiles was
Monitoring the pilot program will
printed and posted in July at three
continue for the next year and a half. All
locations within the park: Coral Beach,
of the boxes in the beta have identical
Comoros Island, and Bay near the
grooves, but thanks to 3D printing,
WWF's Marine Life Center.
scientists can freely change designs as
Scientists planted tiles about two feet
they see fit, Christian Lang, one of the
high with three types of coral fragments
program leaders, for Fast Company.
before
designed
"3D printing provides the advantage of
grooves prevent sedimentation while
producing objects and parts more cost-
stabilizing fragments and removing parts
effectively," he says. "But its most
of coral that are floating. The use of
powerful feature is that it can print each
porous clays boosts coral growth, and
item with a different design without
the
increasing the cost."
planting.
project
Specially
claims
it
is
more
environmentally friendly than traditional
If tile monitoring shows promising
artificial
results, the team hopes to spread the
coral
structures
concrete and metal.
Diventures Magazine
made
of
model to other offshore sites.
August 2020
20
SCIETIFIC DIVING
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SCIENTIFIC DIVING
Source : Scuba Diver Life Diventures Magazine
August 2020
Scientific
diving
is
the
use
of
underwater diving techniques by scientists to perform underwater
work with the goal of scientific knowledge. The definition of scientific diving varies by specialty. Scientific divers are usually qualified scientists
first and divers second, who use
way to get to their field work site. The capabilities and powers accorded to scientists
equipped
with
diving
changed marine science in general, marine biology and marine chemistry in particular. Underwater archeology and geology are other examples of science pursued underwater.
8th ISSUE
DIVENTURES MAGAZINE
22
diving equipment and techniques as a
SCIETIFIC DIVING The equipment used varies in this field,
Some diving activities to support
and is generally chosen based on cost,
scientific research
effectiveness,
availability,
and
risk
factors. Open circuit diving is often used because it is widely available and cost
Sampling: Scuba diving is a useful method for taking samples from specific underwater locations.
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effective. Training standards vary around the
Quantitative survey and monitoring:
world, are generally higher than those
Quantitative surveys and assessments
for entry-level recreational diving, and in
may include quantitative descriptions of
some cases are identical to commercial
biotic populations, the distribution or
diver
few
abundance of a species, group, or other
international agreements that make it
feature, or correlating topography of the
easier for scholars from different places
sea floor.
training.
There
are
to work together on projects of common
interest, by recognizing minimum levels of competency acceptable to both parties.
Behavior of marine life: Scientists study the
behavior
of
marine
creatures
through direct observation, video, or photography. Environmental Impact Study: Diver monitoring can be quick and effective in
determining the scope and extent of environmental
disturbances,
and
samples and measurements can be taken as their effects are observed. Mapping: A live survey by divers may be necessary or preferred, depending on what will be mapped on the map. Diventures Magazine
August 2020
Diving Modes Scientific diving may use any diving modes that is appropriate for the project. Scientific diving operations may use free diving, open circuit, closed
circuit,
directed
surface
supply systems, air-by-air diving or
Marine biology: the scientific study
underwater vehicles that include
of the organisms that live in the
respiratory gases used, air, oxygen,
ocean.
nitrox,
Ocean Chemistry: The Chemistry of
trimex,
helium,
and
Marine Environments
Scientific fields that might use
Marine Ecology: The study of the
scientific diving
interactions
Fisheries Science: The Academic
organisms and the environment in
System
the sea
for
Management
and
between
living
Understanding of Fisheries
Marine geology: the study of the
Freshwater biology: the scientific
history and structure of the ocean
study of freshwater ecosystems and
floor.
biologicals
Oceanography: the study of the
Hydrology: the science of the
physical and biological aspects of
kinematics, distribution, and quality
the oceans.
of water on Earth and other planets.
UnderwaterArcheology:
Lake science: the science of inland
Archaeological techniques practiced
aquatic ecosystems
in submerged sites
8th ISSUE
DIVENTURES MAGAZINE
24
experimental mixtures.
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MARINE ECOLOGY
27
Sharks Have LongStanding Bonds
Diventures Magazine
August 2020
New research shows that gray sharks form long-lasting social bonds, according to a report published in Proceedings of the Royal Society B, Biological Sciences. Researcher Yannis Papastamatio and a team
University, University of California Santa Barbara, University of Hawaii and University of Exeter in the United Kingdom tracked 41 gray coral sharks around Palmira Atoll,
roughly 1,000 miles south of Hawaii.
8th ISSUE
DIVENTURES MAGAZINE
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of scientists from Florida International
MARINE ECOLOGY The team used a combination of
“Using a portion of the reef helps you
acoustic markers and cameras affixed to
find your friends, it can be difficult to
sharks to track 41 animals over a four-
maintain social bonds when you live
year period. Gray reef sharks are known
in the ocean,” Papastamatio said, “but
to congregate in the morning, with groups slowly gathering during the day
until dispersing at night, a dynamic known as the "fission-fusion" cluster. The new study found that not only did sharks return to the same groups in the same locations, but were also made up of the same individuals.
if sharks routinely return to the same
spot on the reef, it helps them preserve
the
structure
of
their
group.". This is not the first time that social media networks have been identified with sharks. Previous studies have
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shown that lemon sharks and blackheaded sharks, among others, form social groups. This behavior has also been observed in manta rays. However, the most important finding of the new study is the length of time
that sharks keep their "friends." While group
interactions
may
benefit
feeding and reproductive behavior, it was observed that some sharks remained in the same pairs of friends for the duration of the four-year study,
indicating
that
long-term
bonding was likely. Diventures Magazine
August 2020
"Some time ago, we knew that sharks are capable
of
having
distinct
social
preferences for other mates in the group," said David Jacoby of
the
Zoological Society of London, who helped analyze the data from the study. However, we had no idea that these social ties could last for several years or that in the absence of childbearing or parental care, these communities might function
as
areas
for
exchanging
information.
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MARINE LIFE
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PARROT FISH
Diventures Magazine
August 2020
Those who dive know that the oceans are not as calm as some think. And this is not just because of the bubbles being ejected from the regulator. Sea
spread their tunes, dolphins whistle to each other, and in warm waters teeming with coral reefs, a steady grinding sound fills depths above ten meters.
8th ISSUE
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otters bang oysters on rocks, whales
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MARINE LIFE This familiar sound, which rings in the
Parrot fish are wonderful to be seen. It
ears of every tropical and subtropical
can live up to seven years and grow up to
diver, is the creaking teeth of a parrotfish,
two meters. It is their varied colors, along
which uses a sharp beak to break bits of
with its toothed beak, that gives it its
coral. Coral reefs are among the most
name. But if their amazing appearance
diverse ecosystems in the world. The
isn't enough to impress you, it might
abundant
the
excite you that these fish also make sand.
Zooxanthellae residing within the reefs to
Parrot fish are unable to digest corals, so
photosynthesize, providing nutrients for
after they digest the algae inside, they
coral growth.
excrete undigested corals on the ocean
Coral reefs provide shelter for many
floor. In the form of sand, think about this
species of fish, baby octopuses and
the next time you search for shark teeth
moray eels. However, not all of these fish
in the sand or wander on a moonlit
seek shelter in coral reefs. Parrot fish
beach.
sunlight
allows
seek food directly from the algae found within the reef.
Diventures Magazine
August 2020
This wonderful fish also has the power to
Overfishing is another concern. While
change the sex. A female fish can be
this fish is not commonly eaten, it is
completely as a female, change her sex,
considered a delicacy in some parts of
and then be a male fish. This is known as
the world.
"chain hermaphroditism," and it is
Parrot fish are important in maintaining
common in the world of parrot fish. Male
the ecological balance, as they keep the
parakeets keep a large number of
growth of algae under control, and if
females. But if the male dies, one of the
their
females becomes a male and takes over
suffocate coral reefs and reduce the
the leadership of the group.
ability of coral reefs to provide an
Some members of this species form a
essential
habitat
for
mucous
species.
And
your
cocoon
around
themselves
numbers
increase,
if
they
many
may
marine
parrot
fish
population is at risk, you won't find that
believe is a way to mask their scent from
sand to roam on in the romantic
predators. Another opinion is that these
moonlight.
cocoons act as protection from parasites while the fish are napping. Either way, if you see during a night dive and you see a stupid fish in that cocoon, you are one of the lucky ones. Currently, parrot fish are not listed as threatened or endangered. However, it is vulnerable to the same pressures that harm endangered marine animals. Ocean acidification is negatively affecting the health of coral reefs, on which parrotfish depend for a large proportion of their diet. 8th ISSUE
DIVENTURES MAGAZINE
36
during their sleep, which scientists
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