MAP

results

i have decided to stop writing in my blogger and putting all my results in my report.

texture and colour

I collected soil from the A HORIZON which is the surface layer, and it was the dark and filled with organic matter like leafs, sticks, ants. It is old and well-developed soil, leaching has removed the most soluble minerals, leaving behind insoluble minerals like quartz and clays.

The colour was dark and the texture was very cloggy from organic matter and was very thick.

Biotic and abiotic features

biotic featurs are the living components of an environment, such as the numbers of competitors or the amount of grass to eat. Abiotic features are the non-living components of an environment, like temperature and rainfall.
The botanical gardens has a diverse range of both Biotic and abiotic.

Biotic features in the environment i studied:
Wildlife
Humans
Grass
Soil
plants
Soil samples

Abiotic:
Temperature
Rainfall
Water samples
Man made infrastrucutres (seats, footpaths, buildings, etc)
Ponds

Evidence of pollution:

Sample 1:

After collecting this sample i examined the pollution as the water was clear, but the water in the harbor was polluted in terms of rubbish lying in the water, this shows that there is minimal pollution.

Sample 2:

sample 2 was polluted as when i went down to collect the water i had to be careful because there was broken glass that looked like broken beer bottles. There was a lot of glass lying around on the sound i would say the sand was 25% glass. There was a few pieces of rubbish in the harbor.

Sample 3:


I took this sample from the main pond in the botanicals gardens it was very polluted as released the gas called rotten egg gas and my bottle contained floating particles of algae and other particles due to plant life in the pond. The bottle was a medium green colour which shows high levels of pollution.

Sample 4:

This was the most polluted out of all the samples areas due to the strong odor called rotten egg gas as it was the stronger than the last one. There also was more particles floating around like dirt and algae in the bottle. After taking the sample the bottle was green and look like lime cordial. The bottle was stained after releasing the water.

Problems that arised during the investigation

During the hand in week of the investigation i was sick, and this resulted in being out of school for 1 week. I have an extension until next Monday to hand in everything and finish my blog. Tomorrow i will collect my water and soil samples to due some more testing for the rest of the week and finish my report that i had already started.

topography

Sydney's urban area is in a coastal basin, which is bordered by the Pacific Ocean to the East, the Blue Mountains to the West, the Hawkesbury River to the North and the Royal National Park to the South. It lies on a submergent coastline, where the ocean level has risen to flood deep river valleys (ria) carved in the hawkesbury sandstone. Port Jackson, better known as Sydney Harbour, is one such ria and is the largest natural harbour in the world.[23] The Sydney area is not affected by significant earthquakes. The urban area has around 70 harbour and ocean beaches, including the famous Bondi Beach. Sydney's urban area covers 1,687 km2 (651 sq mi) as at 2001.[24] The Sydney Statistical Division, used for census data, is the unofficial metropolitan area [25] and covers 12,145 km2 (4,689 sq mi).[26] This area includes the Central Coast, the Blue Mountains, and national parks and other unurbanised land. This makes Sydney the third largest urban agglomeration in the world (with a population of over 3 million) behind Brasília (14,400 km²) and Tokyo (13,500 km²).[27]
Geographically, Sydney lies over two regions: the Cumberland Plain, a relatively flat region lying to the south and west of the harbour, and the Hornsby Plateau, a sandstone plateau lying mainly to the north of the harbour and dissected by steep valleys. The parts of the city with the oldest European development are located in the flat areas south of the harbour. The North Shore was slower to develop because of its hilly topography and lack of access across the harbour. The Sydney Harbour Bridge was opened in 1932 and linked the North Shore to the rest of the city.