• Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

Biology field trip - A study of rocky shore ecosystem

Extracts from this document...


Title A study of rocky shore ecosystem Aims 1. To understand the structure and functioning of a rocky shore ecosystem. Objectives 1. To measure climatic factors by means of an environmental comparator with a light probe, a whirling hygrometer, a hand-held wind meter, and a thermometer; 2. To measure pH of sea water on the spot; 3. To sample shore animals by means of a transect line and a quadrant; Introduction In this field trip report, Shek O, located in the north-east part of Hong Kong, is chosen as the place for our ecological study because rocky shores there are quite easy to access to and have a wide range of marine organisms. The best time to explore a rocky shore is at low tide, when there is a fairly calm sea, so as to avoid those sudden big waves. ...read more.


The reservoir of the hydrometer was fully filled with water and was stoppered. 2. The relative humidity was determined by finding the difference of temperature of the two bulbs and then read off from a special scale provided To determine the wind speed. 1. The wind speed was taken where the plastic ball reached maximum height. pH of sea water. 1. The colour change was compared with a standard scale to find out the pH value. Results A table showing the abiotic factors of the rocky shore at Shek O factors Details Temperature 20 ? Wind speed 14:50 < 2mph 15:10 =5mph Weather Rainy and cloudy PHI of the sea water About 5-7 Discussion Principles of the methods used in the procedures. The whirling hydrowind meter As the wet bulb is always filled with water, when water evaporates during the whirling action, the temperature on the bulb is lowered and it is lower than the dry-bulbed one. ...read more.


Chitons Chitons cling to rocks by using suction. Their calcareous shell is so hard and strong that are hard to be removed from the rocks. This not only prevents them from being washed away by strong tidal actions but also makes them harder to be a prey of predators. They are mostly herbivores and eat tiny plants (algae) which they scrape off rocks with their rasping tongue or radula Crab A crab shell is called a carapace and it protects its soft body from predators. Its large claws are used for catching and killing prey. Conclusion The most noticeable thing about rocky shores is the zonation of organisms. This is common to rocky shores all over the world. The particular species of organism in each zone may vary with different climates and levels of wave and air exposure, but all show special adaptations to living in this area, and the basic structure is recognisable on most rocky shore environments. ?? ?? ?? ?? ...read more.

The above preview is unformatted text

This student written piece of work is one of many that can be found in our AS and A Level Energy, Respiration & the Environment section.

Found what you're looking for?

  • Start learning 29% faster today
  • 150,000+ documents available
  • Just £6.99 a month

Not the one? Search for your essay title...
  • Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

See related essaysSee related essays

Related AS and A Level Energy, Respiration & the Environment essays

  1. Marked by a teacher

    In this study I will investigate the length and width of Fucus Serratus fronds ...

    4 star(s)

    To reduce any human error, one researcher will measure the fronds in each quadrat whilst the other records the data. This is so that the method of measuring the fronds is a constant one whereas if two different individuals were to do it the data may be collected differently.

  2. Field trip report Mangrove ecosystem

    string 1 piece *environmental comparator with light probe 1 set *hand-held wind meter 1 set *meter rule 1 piece *pH meter 1 set *ranging poles 2 pieces *spirit level 1 piece *whirling hygrometer 1 piece > For laboratory work: *electronic balance 1 set *beaker, 100 ml 2 pieces *oven 1

  1. Weed study. Dandelions - descrption and characteristics. Investigation to dandelion distribution.

    Many botanists have researched the existence of the Dandelion and have made many theories on its living in nature. Gardeners and botanists have diverse opinions on the Dandelion. Some classifying it as a 'weed' and some consider it a benefit to their garden.

  2. Effect of Tourism on Sea Turtles

    It fuels social problems within local communities as young people leave their villages for work in tourist resorts, usually on the coasts. With a reduction of tourism, there will not be a major departure of young people from the villages and cultures and traditions will not be devalued (if they have not been majorly distorted already).

  1. Investigating how prolonged exposure to its optimum temperature affects the respiration of yeast.

    For example, in the pilot method keeping five minutes as the amount of time for measuring each temperature and the respiration the yeast gives off during this time. * Amount of glucose used. This will ensure that the yeast receives the same amount of glucose (a necessity for respiration), and is available to be used.

  2. Paperbark Swamp Ecosystem

    This biotic interaction is only beneficial for one organism, the predator. An example of predation is the grey-headed flying fox eating insects. Parasitism is where an organism feeds off another organism. This biotic interaction is beneficial for the parasite and harmful to the host.

  1. An investigation into the distribution of adult and juvenile limpets on a rocky shoreline.

    expected that the population of limpets will be decreased as there is high predation. However, due to the low population the number of dog whelks will decrease and then the limpet population will increase again. A predator-prey cycle is shown as following.

  2. rocky shore

    We chose a suitable area on the rocky shore where distinguished signs of zonation of organisms could be observed. Then we started our fieldwork by firstly measuring the physical conditions like humidity, temperature and wind speed around the area. Next we laid down a long nylon thread on the rocky to setup a belt transect.

  • Over 160,000 pieces
    of student written work
  • Annotated by
    experienced teachers
  • Ideas and feedback to
    improve your own work