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Maskelyne Island
Dive Log
September 2005

| Date: September 28th |
TI: 1130 |
TO: 1200 |
Max Depth: 30m |
| Divers:
Carol,
Starrlight
|
| Date: October 3rd |
TI: 0850 |
TO: 0940 |
Max Depth: 6m |
| Divers:
Sylvia,
Grant, Starrlight, Paul, Rebecca
|
| Date: October 3rd |
TI: 1035 |
TO: 1130 |
Max Depth: 9m |
| Divers:
Sylvia,
Grant, Paul, Carol |
| Date: October 4th |
TI: 0850 |
TO: 0940 |
Max Depth: 7m |
| Divers:
Sylvia,
Grant, Paul |
| Date: October 4th |
TI: 1230 |
TO: 1320 |
Max Depth: 8m |
| Divers:
Carol,
Paul, Eddie, Starrlight |
| Date: October 5th |
TI: 0900 |
TO: 0950 |
Max Depth: 8m |
| Divers:
Sylvia,
Grant, Paul, Carol |
| Date: October 6th |
TI: 0815 |
TO: 0905 |
Max Depth: 7m |
| Divers:
Sylvia,
Grant, Paul, Starlight |
| Date: October 6th |
TI: 1000 |
TO: 1050 |
Max Depth: 8m |
| Divers:
Carol,
Starrlight, Eddie, Paul |
| Date: October 6th |
TI: 1430 |
TO: 1520 |
Max Depth: 8m |
| Divers:
Sylvia,
Grant, Carol, Eddie
|
| Date: October 12th |
TI: 0815 |
TO: 0915 |
Max Depth: 8m |
| Divers:
Eibes,
Sylvia, Paul, Kitty, Rebecca
|
| Date: October 9th |
TI: 14300 |
TO: 1530 |
Max Depth: 8m |
| Divers:
Sylvia,
Paul, Kitty, Rebecca, Starrlight, Grant
|
Our 1st dive off Sakao's fringing
reef in the Maskelyne Islands showed the reef to be very diverse
in both coral and marine life and later dives only supported these
findings. This reef system was a platform barrier reef and became
our science study site. The bottom
composition here consisted of coral rock, bommies, seagrass,
rubble and sand. During our 11 dives on this site we found the coral to
be very diverse. Common genera here included Pachyseris, Porites, Montipora,
Pavona, Hydnophora, Acropora (in particular staghorn) Galaxea, Psammacora,
Stylophora, and Pocillopora.
Marine life was diverse, some
of the more abundant fish to note were many species of Angelfish and
Damselfish, Clownfish, Triggerfish, Butterflyfish, Groupers, Wrasse,
Sweetlips (some of which were juvenile). Also noted were Scorpionfish,
Filefish, Boxfish, Hawkfish and a plentiful supply of the smaller reef fish.
Invertebrates to note included many species of
starfish, Nudibranchs, Flatworms, Anemones and hundreds of Feather Stars. Unfortunately the Crown of
Thorns was also present and one dive here
included a cleanup of crown of thorns due to their high number and lack of
natural predators.
During all dives the current was slack to moderate and
swells were either not present or only 2-5ft and waters were around 26°C
on all dives.
| Date: September 30th |
TI: 1015 |
TO: 1105 |
Max Depth: 6m |
| Divers:
Sylvia, Carol, Paul, Kitty |
| Date: September 30th |
TI: 1415 |
TO: 1505 |
Max Depth: 7m |
| Divers:
Eibes, Eddie, Starrlight |
| Date: October 2nd |
TI: 1030 |
TO: 1120 |
Max Depth: 25m |
| Divers:
Eibes,
Sylvia, Carol |
| Date: October 10th |
TI: 0835 |
TO: 0925 |
Max Depth:11m |
| Divers:
Sylvia, Rebecca, Grant, Starrlight,
Kitty |
| Date: October 10th |
TI: 1015 |
TO: 1105 |
Max Depth: 11m |
| Divers:
Eibes, Carol, Grant, Eddie, Becky |
| Date: October 10th |
TI: 1435 |
TO: 1325 |
Max Depth: 11m |
| Divers:
Sylvia, Rebecca, Paul, Eddie,
Starrlight |
| Date: October 11th |
TI: 0920 |
TO: 1020 |
Max Depth: 10m |
| Divers:
Sylvia, Rebecca, Grant, Kitty,
Starrlight |
| Date: October 11th |
TI: 1435 |
TO: 1325 |
Max Depth: 11m |
| Divers:
Sylvia, Rebecca, Eibes, Kitty,
Starrlight |
This reef area was our second study site here in the
Maskelyne Islands. The area of reef we studied was a platform barrier reef
with a bottom composition of coral rock. Mostly Acropora, Pocillopora,
Pavona, Goniastrea, all coral was in very good health and was more than 95%
with algae coverage less than 15%. This site had a high diversity of
fish, mainly some large Snappers, Sweetlips, Groupers and other small reef fish. A very large giant moray eel was also spotted on a number of
occasions within the study site.
In general the area here had a moderate current with
small 1-2 foot swells and 26°C
water.
| Date: October 1st |
TI: 1430 |
TO: 1520 |
Max Depth: 12m |
| Divers:
Sylvia,
Paul, Grant, Carol |
This
site was a sloping barrier reef with a bottom composition of coral
bioherms and a plethora of
fish. There was a high diversity of the large commercial fish which is always good evidence to show
over fishing is not a
problem. Originally this site was going to be the location of our
science study; however the site was a struggle to dive at due to the
ever-present strong currents.
| Date: October 9th |
TI: 1030 |
TO: 1115 |
Max Depth: 22m |
| Divers:
Eibes,
Carol, Sylvia, Grant, Rebecca |
| Date: October 12th |
TI: 1020 |
TO: 1110 |
Max Depth: 19m |
| Divers:
Eibes, Carol,
Becky |
| Date: October 16th |
TI: 1020 |
TO: 1110 |
Max Depth: 17m |
| Divers:
Sylvia,
Grant,
Becky, Rebecca |
This was an amazing dive site, a pass with a
fringing reef with a gradual slope and a bottom composition of
sand. It was full of marine life. There was no current on any of the
dives and visibility was about 30-40m.
In
just three dives two Hawksbill Turtles, one Green Turtle in the distance
swimming with speed, 7 spotted eagle rays that circled round us for a while,
a cuttlefish, 2 approximately 2 metre wide stingrays.
Reef fish were also abundant, a school of 30 Bumphead Parrotfish, thousands
of fusiliers, giant barracuda, a school of smaller barracuda, blue spotted ray,
giant sweetlips, 2 Napoleon Wrasses, big groupers and unicorn fish. There
was also a high abundance of small fish and large commercial fish.
The coral here was very healthy with about 30-40% coral
coverage. Overall the reef was healthy and diverse, dominated by some
Porites and Acropora which included some large Acropora tables. However
there were patches of filamentous algae cover.
| Date: October 16th |
TI: 1330 |
TO: 1420 |
Max Depth: 12m |
| Divers:
Eibes,
Paul, Kitty, Carol |
This was a pass, wall
and valley dive with
slight currents; small swells of less than 2 feet and 25°C
waters. The bottom was a hard composition with some rubble and
sand but mainly live coral which was very diverse. This area was dominated by a
lot of branching and table Acropora, also some massive
Porites heads. Fish life was abundant and particularly schools of black
snapper, Napoleon Wrasse, Sweetlips, 2 Cuttlefish and many other varieties
of reef fish. The diversity of marine life in this area was incredible.
Uri Island
Dive Log
October and November 2005

| Date: October 31st |
TI: 0930 |
TO: 1020 |
Max Depth: 8m |
| Divers:
Sylvia,
Becky, Rebecca, Paul |
| Date: November 1st
|
TI: 0930 |
TO: 1030 |
Max Depth: 8m |
| Divers:
Sylvia,
Carol, Paul, Kitty |
| Date: November 7th |
TI: 1050 |
TO: 1150 |
Max Depth: 18m |
| Divers:
Eibes,
Grant, Carol |
| Date: November 8th
|
TI: 0920 |
TO: 1020 |
Max Depth: 12m |
| Divers:
Sylvia,
Kitty, Carol, Starrlight |
The coral coverage and diversity at Uri’s outer
fringing reef was high and gave the reef an especially colourful and beautiful
appearance. Most coral colonies were in very good condition. Only in very
few spots there were small areas
in which corals were affected by a filamentous algae mat smothering . This
site was a marine protected area and fishing has been banned for the past 15
years. The area is abundant in commercial fish with a high number of
different snappers, big sized groupers and parrotfish inhabiting this
area. Schools of different fusiliers, bar jacks, filament-fin parrotfish
and bumphead parrotfish were always present on the dives. With
many different smaller reef fish and the occasional white tip reef shark
the fish life is very diverse. There was also a high abundance of crown
of thorns starfish predators. Yellowmargin triggerfish and Moustache
triggerfish are spread throughout the entire reef. Several very large
Napoleon wrasses were also spotted.
| Date: November 1st |
TI: 1430 |
TO: 1520 |
Max Depth: 5m |
| Divers:
Sylvia, Becky, Paul, Kitty |
| Date: November 2nd |
TI: 0920 |
TO: 1020 |
Max Depth: 5m |
| Divers:
Sylvia, Carol, Kitty, Paul |
| Date: November 4th |
TI: 0930 |
TO: 1020 |
Max Depth: 5m |
| Divers:
Eibes,
Sylvia, Carol |
| Date: November 10th |
TI: 0930 |
TO: 1020 |
Max Depth:6m |
| Divers:
Sylvia, Rebecca, Grant, Starrlight,
Kitty |
This inside fringing reef was dominated by Porites
coral, including very large Porites heads and fields of
Porites fingers. Also found on the reef was Astreopora forming
massive colonies of about 50 cm diameter and apart from some Montipora
colonies, other coral genera were only p resent as very small colonies.
The number of
large Porites heads was outstanding. They were in good
condition apart from scars originating from bioeroding Scallop mussels,
leaving deep valleys in the skeleton without live tissue. Most Porites
finger colonies had partly lost their live tissue starting from the colony
base. The tissue on top was still healthy and the borders between live
tissue and dead skeleton looked clean as if the process of tissue loss had
stopped. Corals were surrounded by sand and sediment. During our study we experienced very turbid waters, while the wind was
blowing strongly for days. In the marine protected area inside Port Stanley
Bay a clam farm garden has been established, but fishing is allowed. In this
area the fish population resembles the typical picture for an inside reef. A
lot of very small reef fish in particular damsel fish, but also schools of
fusliers and paddletail snappers were sighted inside this area. Even a
small dogtooth tuna passed through the transect area of the inside reef as
well as a dugong. For the full results of our study, see our
science website.
| Date: November 6th |
TI: 1100 |
TO: 1150 |
Max Depth: 18m |
| Divers:
Eibes,
Grant, Carol |
| Date: November 6th |
TI: 1430 |
TO: 1520 |
Max Depth: 20m |
| Divers:
Sylvia,
Starrlight, Kitty, Becky |
The area here consisted of a gentle slope
which became a small drop off. Live coral coverage was 35% consisting of
some large Acropora tables and large Diploastrea, also some
Pocilopora, Porites and encrusting Montipora. Commercial fish
were high in abundance also Napoleon Wrasse, Bumphead Parrotfish,
a Great Barracuda, Fusiliers, Sweetlips, Batfish and a school of Black
Snapper were present on these dives. On the second dive 2 turtles and 2
white tip reef sharks were also spotted. Conditions were rough during these dives
as there were very strong swells from the North East but only a slight
current was present. Visibility was between 15 and 20m and the water
temperature was 27 degrees Celsius.
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