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Paperbark Swamp Ecosystem

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Introduction

Field Trip: Paperbark Swamp Ecosystem 1 a) The ecosystem which we studied on our field trip was a paperbark swamp. b) Two abiotic factors which control the development of the ecosystem are water and soil. Water makes up a large part of all living organisms and is needed for the growth and survival for all flora and fauna. Without water in the environment the animals and plants within the ecosystem would not be able to survive. Animals like the short-finned eel, frogs and turtles require water as it is their habitat. Frogs lay their eggs in the water so without water there would be no frogs. The short finned eels live in the water all their lives so if there was no water then there would be no short finned eels as they will all be dead. Water is also required for plants to photosynthesise. If there were to be no water there wouldn't be any plants which would then affect the whole food chain. Another abiotic factor which controls the development of the ecosystem is the soil. Soil is needed for plants to grow. ...read more.

Middle

They have very good eyesight and smell which helps them locate seeds, fruit and nectar which they mostly eat. They do not use echolocation as their strong sense of smell helps guide them towards their food. It's hooked feet also help it to hold onto the branch whilst eating as they do not remain airborne while they eat. Clawed thumbs on each of their wings also help with holding onto the food. 5) An animal which is not native to Centennial Park is the fox. Foxes were first introduced to Australia to hunt but now, they are killing a lot of the native fauna. Foxes breed once a year in late winter. Every summer they will disperse to find new areas which mean that they will then be very widespread killing many of our native fauna. The fox problem is being managed through use of fences, shooting of foxes on sight and den destruction. Some of these methods however are not that very effective. Destroying a foxes' den is not a major problem to the fox as it will migrate to a new area and quickly build a new one. Fencing off areas from foxes is only effective for small areas. ...read more.

Conclusion

Supplying plastic bags for dog walkers is an effective way to reduce the amount of dog poo around the park. Many people go to Centennial Park to walk their dogs, which will eventually expel some waste. If the owner of the dog did not bring a plastic bag, they will most likely leave it there. The plastic bags being at the park will help with the problem but again it is up to the individual to decide whether or not to dispose of it properly. Rangers who patrol the park regularly are another way which tries to manage the rubbish problem. This method is fairly effective but as the park is quite large there will be areas which will be unchecked and rubbish may build up there. This method requires the rangers to be vigilant in their patrols for it to be effective. The waste water catchment is a good way of keeping out the large bits of solid rubbish out of the park's water which is inhabited by animals. This method is only effective in filtering out the solid waste. Chemical wastes are not covered in this method. ...read more.

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