A Digital Representation Of Underwater Bathymetry

Limpets (Patella vulgate) live in algae rich environments on rocky shores. . It has been proposed that in more sheltered areas, limpet shells will grow to be flatter with a larger diameter, while in more exposed areas of coastline, they will grow a taller and narrower shell shape. To find out whether or not the shores of Aberdeen reflected this, samples were taken from two sites (Site A and Site B) along the Aberdeen coastline that varied in their exposure to wave action. The sites were chosen to provide two sample sites with a notable difference in their environment. In the more sheltered site A, limpets were not exposed to harsh waves, while at site B, there was significantly more wave action. Quadrats were used at both sites to provide an area of sampling for the limpets and they were placed around 5 meters from the waterline. The overall results from the study showed that there is a very strong relationship between diameter and height in Limpet shells and that there was an incredibly slight difference in the relationship between the two sites.

The middle shore, or middle tide zone, is submerged by water for approximately half of the cycle. This means that there is the capability to support much more marine vegetation, specifically seaweeds. The organisms found there are more complex and larger in size than further up the shore.[9] The rock pools can provide a suitable habitat for small fish, sea urchins, shrimps and zoo plankton. This area is more diversified than the upper shore.

Underwater grasses, or Elodea, was observed as well. This wide variety of life is a good indicator of the water’s health.

The Tidal zones consist of splash zone, high water neap tide, low water neap tide, high water spring tide, low water spring tide, mid tide level and the splash zone and sub littoral zone. All of these tidal zones can be determined by which indicator organisms/animals are living there. For an example the splash zone is the highest of all zones and the organisms that are generally living there are noddiwinkles. If you spot a lot of honeycomb barnacles and blue-grey periwinkle’s then you are most likely in the high water tide zone and water only covers this zone at high tide. White tube worms are indictor organism the mid tide level zone and is covered by water for half of the day. There’s also the low tide zone which is engulfed in water for the majority of the day expect at low tide, you can determine this zone by finding indicator organisms such as sea squirts. The final tidal zone is the sub literal zone and this is always under water the indictor organism’s living here are brown tubeworms and striped girdled chiton.

In the LULC/Soil/Slope tool box, the last option is slope tab. User has to select to number of slope classes for the watershed. Two options are available to define the slope discretization in the slope definition tool box. First one is single slope and second one is multiple slopes. If user select single slope in the tool box, it creates slope range class 0-999%, if user selects multiple slopes, the tool allows to create 5 classes. For the kaddam watershed five slope classes has been selected in the tool box. The classes are 1) 0-5% 2) 5-10% 3) 10-15% 4) 15-35% and 5) 35-9999%. The slope map of the kaddam shown in the

The differences in mean depth of Daphnia between the day and night could have been

Know the adaptations of organisms found in the tidal pool ecosystem – to do this, match up the following

An entire new world, different from our own exists beneath the surface of our oceans. This life is full of color, shapes, sizes, wonder, and even darkness. Much of this life has yet to be explored but we still know that beneath the waves exist the most beautiful creatures and the most bizarre. Magical areas such as the coral reef and mysterious areas such as the depths of the ocean are homes to over 700,000 species that live in the ocean. This includes the eighty percent of the ocean that has yet to be explored. Even though there may be separate oceans on this planet, they are still interconnected by a body of salt water. No area of the ocean is the same, which brings us to the wonderful fact that so many different species are able to flourish

Imagine you are at the bottom of the ocean, and there are hydrothermal vents ejecting hot lava. Adding to your misery, there are huge amounts of hydrogen sulfide gas everywhere that are poisonous to your body. In reality, this is the giant tube worm’s ecosystem. Ecosystems are all of the living things (plants/animals) and the non-living things that live in a specific area and interact with each other. Ecosystems can be of any size. In an ecosystem, there are biotic and abiotic components that are all linked. The pelagic zone or “open ocean zone”, where the giant tube worm, an underwater animal that lives near hydrothermal vents, lives is located next to the continental slope/drop off. The water is much deeper here. At the surface, there is

Intertidal (mud) flats are shielded intertidal and shallow sub tidal areas (Quinn, 2014), with significant ecosystems that provide a diversity of highly productive, environmental habitats that are essential sources of food for fish during times of high tide, and for birds in low tide. The sediment composition of intertidal flats depends on the “interactions between the physical, chemical and biological processes” (Widdows, et al., 2004), but the sediment if mainly fine particles and mostly muds. The sediment itself can also either have vegetation growth or be a completely bare flat region. (Quinn, 2014).

Rocky Shores are found where the sea meets the land which supports a diverse mix of plants and animals that have adapted to survive in the unique conditions of constant wave action as well as the fall of tides (Ehp.qld. 2016). Most of the ecosystems flora and fauna live in the intertidal zone, between high and low tide (Ehp.qld. 2016). They are exposed to two environments, being crushed by waves and swamped by the sea water, extreme temperatures and salinity, and left unprotected

The intertidal rocky shore of Caloundra Beach is inhabited by diverse range of biodiversity of animals and plants, many of which have developed high levels of adaptations throughout their existence. The very boundary of marine and terrestrial ecosystem, this environment is subjected to extremes of the physical environment such as temperature, desiccation, wave turbulence as well the ecological interactions that commonly occur in biotic communities (e.g. competition, predation). However Rocky intertidal shores are easily accessible by humans and provide an enjoyable opportunity for passive recreation and for science and environmental education as well.

the deepest marine trenches in the world (Rosenburg no. 6). With the interaction of the strong currents over the many reefs the topography is in a state of constant flux and development of new navigational hazards is swift (Rosenburg no. 6).

For many years humans have struggled to discover the deepest parts of the ocean and have also struggled with discovering space. We could not go really deep into the ocean, because humans can not withstand the pressure that the ocean produces. But now there is a robot that can reach the ocean floor called “The Benthic Rover”. With that new robot, scientist will be able to record how changes on the surface of the ocean will impact the marine animals below. “What is special about the rover is that we will be able to stay in the deep parts of the ocean for a really long time collecting seasonal changes data” (Engineer Alana Sherman). With Benthic Rover,

Another abiotic factor that helps the formations of different zones would be the tidal movement (aerial exposure) effecting the sea life shore community. The tidal zones we found at Siren’s Rocks are the sublittoral zone, low tide, mid tide, high tide and supralittoral zone. These are all on the data recorded by us at the rocky shore we researched.