1.3.9

Assessing Ecosystems

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Assessing Ecosystems

Population sizes are interesting to ecologists. Experimental tools for looking at ecosystems and their populations include:

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Quadrats

  • Quadrats are square frames that can be used to estimate population sizes.
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Transects

  • Transects can be used to investigate the effect of a factor on the distribution of a species.
  • A transect line is a piece of tape that is stretched across the habitat of interest.
  • Quadrats are placed at regular intervals along the transect line.

Jump to other topics

1Biology

1.1Cells, Tissues & Organs

1.2Reproduction & Variation

1.3Ecological Relationships & Classification

1.4Digestion & Nutrition

1.5Plants & Photosynthesis

1.6Biological Systems & Processes

2Chemistry

2.1Particles

2.2Chemical Reactions

2.3Atoms, Elements, Compounds

2.4The Periodic Table

2.5Materials & the Earth

2.6Reactivity

2.7Energetics

2.8Properties of Materials

3Physics

3.1Energy

3.2Forces & Motion

3.3Waves

3.4Electricity & Magnetism

3.5Matter

3.6Space Physics

4Thinking Scientifically

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