1.3.10

Assessing Ecosystems

Test yourself

Assessing Ecosystems

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

Illustrative background for QuadratsIllustrative background for Quadrats ?? "content

Quadrats

  • Quadrats are square frames that can be used to estimate population sizes.
Illustrative background for TransectsIllustrative background for Transects ?? "content

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

4Disciplinary Knowledge

Unlock your full potential with Seneca Premium

  • Unlimited access to 10,000+ open-ended exam questions

  • Mini-mock exams based on your study history

  • Unlock 800+ premium courses & e-books

Get started with Seneca Premium