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Effects Of Abiotic And Biotic Factors At Nudgee Beach

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The aim of this experiment is to test the changes in and effects o abiotic and biotic factors along a transect line form low tide to high tide in the mangroves at Nudgee Beach. The hypothesis is that at low tide the soil texture would be brown clay with a pH of 9-10, however; at high tide the soil would be light brown sand with a ph of 8-9. Mangroves are classified as facultative halophytes. This means that they are adapted to living in salty soil, along the seashore or in salt flats (Halophyte, 2015). The reason they are classified as halophytes, is because ocean water is not a substantial requirement for development. Most water ecosystems exist where tidal flood does not take place. Tidal fluctuation results in the reduction of antagonism, due to irregular wetting and drying (Morphological and Physiological Adaptations, 2015).
Mangroves distribute 18% of Australian’s coast line. They can be found in all the Australian states, except for Tasmania. In the Northern Territory only the red/spotted mangroves are found. In Queensland, New South Wales, South Australia and Victoria the grey mangroves are mostly found. However, according to figure 2, Tasmania …show more content…

Through photosynthesis, mangroves provide nutrients and oxygen to animals and plants. As mangrove forests connect the ecosystems of the land and the ocean, their significance in stabilizing the ecosystems is undeniable. Their forests provide a huge amount of food resources. A lot of animals and plants spend their life cycles with mangroves (Ecological and economic value of mangroves, 2015). The root systems of mangroves take up substances and lessen water contamination. They are important for keeping fisheries in coastal areas. Other than that, mangrove forest are a beautiful environment. They act as sightseeing for tourists and bring financial incentives to the community (Ecological and economic value of mangroves,

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Introduction For two days, on the 14th and 15th of April, a field excursion to Hastings Point, New South Wales was conducted. At Hastings Point, topography, abiotic factors and organism distribution were measured and recorded, with the aim of drawing links between the abiotic factors of two ecosystems (rocky shore and sand dunes), the organisms which live in them, and the adaptations they have developed to cope with these conditions. Within these two ecosystems, multiple zones were identified and recorded, and this report also aims to identify the factors and organisms associated with each zone. Lastly, using data and observations from the past, predictions for the future of the rock pool ecosystem were made.

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Ecological Succession Report of Conrad’s Beach Anthony Cormier (B00719104), SCIE 1505X October 23rd 2015 Abstract – The study to prove that ecological succession occurred at Conrad’s beach took place at Conrad’s beach in Nova Scotia. Species richness, height and amount of organic material was sampled by using a 1m x 1m quadrat. As predicted the abundance and size of the organisms were larger further as the groups got further from the sand dunes.

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Approximately four-fifths of the Tar-Pamlico River Basin is located within the Coastal Plain region of North Carolina while the remaining one-fifth lies within the Piedmont region. Slow Moving streams surrounded by swamps, forests, low-lying marshes, and estuarine areas characterize the water flow in the Coastal Plain region. The Coastal Plain portion features slow-moving blackwater streams, low-lying swamps, and productive estuarine waters. The larger waterbodies are meandering, often lined with swamps and bottomland hardwoods, and often have naturally low dissolved oxygen and pH. Soils are deep sands that have a high groundwater storage capacity. There are 80 miles of impaired stream in the Tar-Pamlico River basin and all waters in the basin have a supplemental classification of Nutrient Sensitive Waters (NCDWQ

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Bicentennial Park is a 40 hectare parkland situated in the urban area of Sydney Olympic Park. The Badu Mangroves Wetlands is located within this park and extends to Homebush Bay. The mangroves are fundamental in marine and estuarine ecology. They provide a habitat for various fauna and flora species.

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However, it 's not only just because of man-made reasons. The coastal marshes disappearing can also be affected by natural causes. Sediment is being deposited into a river delta increasing the weight, which causes the entire area to sink (p. 11). Depositing may sound like a positive cause, but however if the course of the sediment changes then no new sediment will continue to be deposited. Another natural cause is oceans and hurricanes.

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Kelp are giant algae that supports diverse ecosystems. Kelp forests are an extremely productive ecosystem that provides shelter, food to many organisms, and habitat. Invertebrates, fish, and mammals are connected to the kelp species. These animals use the kelp as a shelter from prey and feeding areas. If the abundance of the kelp forest changes it will also affect the amount of fish.

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A freshwater marsh is a low area of land that is flooded with fresh water in wet seasons but is typically full of water all the time. Freshwater marshes are usually found near the mouths of rivers and are present in areas with low drainage. Freshwater marshes are non-tidal biomes containing little or no peat . They are most common in the Gulf Coast region, specifically in Florida.

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In Caribbean, 36 percent coral reefs are located within 2 km of the inhabited land thus this area of coral reefs ecology have highly susceptible to pressures arising from coastal populations. The extensive construction and development for roads, housing, ports and other development has been required to support both of the residential and tourist populations. The coastal development was poorly managed therefore put stress on coral reefs through direct damage from dredging, land reclamation and sand and limestone mining for construction as well as through less direct pressures such as runoff from construction sites and removal of coastal habitat. Besides that, the loss of mangrove and sea grass which filter sediment and nutrients coming from the land has been widespread in the Caribbean which lead to add the pressure towards coral reef ecology. Next, the increased sediment in the coastal waters reduces the amount of light reaching the coral and hinders the ability of their symbiotic algae which is zooxanthellae for photosynthesis.

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