Lesson 3: Field Study - Rangahau Taiao

Pre-Field Briefing (15 mins)

Scientific Method & Cultural Protocol

Safety First: Review outdoor safety protocols, appropriate clothing, and buddy system.

Scientific Method Review: Discuss hypothesis formation, controlled variables, and data collection techniques.

Cultural Protocol: Begin with a brief karakia acknowledging the mauri (life force) of the places we'll study. Discuss showing respect for all living things we encounter.

Research Question: "How does biodiversity differ between sunny and shaded microhabitats in our school grounds?"

Field Activity 1 (25 mins)

Quadrat Sampling Investigation

Students work in groups of 3-4, each group studying different microhabitats:

Group 1: Under large trees (shaded)
Group 2: Open grass areas (sunny)
Group 3: Garden beds (managed)
Group 4: Along building walls (protected)

Method:

Place 1m² quadrat randomly in assigned area (throw over shoulder)
Count and identify all plant species in quadrat
Search for invertebrates (beetles, worms, spiders) - handle gently
Record findings on data sheet
Repeat process 3 times in different spots

View Data Sheet

Field Activity 2 (20 mins)

Abiotic Factor Measurements

While some students do quadrat sampling, others measure environmental conditions:

Equipment & Measurements:

Digital thermometer: Air temperature at ground level
Soil thermometer: Soil temperature 5cm deep
pH test strips: Soil pH (mix soil with distilled water)
Light meter/phone app: Light intensity (lux)
Wind meter/observation: Wind speed and direction
Moisture assessment: Soil dampness scale (1-5)

Cultural Connection: Mātauranga Māori also reads a site through ngā tohu o te taiao — environmental indicators. Hapū and iwi use observations – ngā tohu o te taiao – as indicators of forest health (source: sciencelearn.org.nz, Environmental monitoring – ao Māori perspectives). Ask: which of the abiotic factors you measured today might a local tohu track?

Citizen Science (10 mins)

iNaturalist NZ Contributions

Students photograph interesting species they find and upload them to iNaturalist NZ, contributing to national biodiversity databases.

Process:

Take clear photos of species (include ruler for scale if possible)
Note exact location and habitat details
Upload to iNaturalist with school project tag
Attempt species identification using app's AI
Ask for community help with difficult identifications

Reflection: How does our data contribute to larger scientific understanding?

Data Analysis (15 mins)

Comparing Microhabitats

Back indoors, groups compile and analyse their data:

Analysis Tasks:

Calculate average species count per quadrat for each group
Create bar graphs comparing biodiversity between habitats
Plot relationships between abiotic factors and species diversity
Identify which habitats had highest/lowest biodiversity
Discuss possible explanations for differences

Key Questions: Which abiotic factors seem most important for biodiversity? Why might shaded areas have different species than sunny areas?

Mātauranga Māori: Traditional Ecological Knowledge

Māori have developed detailed intergenerational knowledge of their local environments over hundreds of years through a long and close association with the land and its resources (source: sciencelearn.org.nz, Environmental monitoring – ao Māori perspectives). That knowledge includes:

Seasonal calendars: the maramataka, the Māori lunar calendar, guides planting, fishing and the gathering of kai. There are many maramataka and tohu, and they vary from iwi to iwi (source: sciencelearn.org.nz, Maramataka; Māori ways of knowing – weather and climate)
Indicator species: hapū and iwi use observations – ngā tohu o te taiao – as indicators of forest health (source: sciencelearn.org.nz, Environmental monitoring – ao Māori perspectives)
Habitat management: a rāhui is a form of tapu that restricts the access of an area to protect it (source: sciencelearn.org.nz, Taking action for our birds)
Interconnected observations: Understanding that changes in one area affect the whole ecosystem

Connection to Today: Mātauranga Māori and ecological science are two traditions of sustained observation producing complementary accounts of the same living landscapes. Where they describe the same pattern — rāhui and modern closed-season management, for instance — each reached it by its own method, and neither is the other’s proof. Ask: what can each notice that the other cannot?

Extended Investigation

Seasonal Monitoring Setup

For students interested in deeper investigation, set up permanent monitoring plots to track throughout the year:

Equipment: Permanent stakes, measuring tape, laminated data sheets

Method:

Mark corners of best quadrats with permanent stakes
Create detailed maps showing exact positions of larger plants
Return monthly to repeat measurements and observations
Track seasonal changes in species composition and abundance
Compare spring, summer, autumn, and winter data

Extension: Connect with local environmental groups or DOC for long-term monitoring projects.

Assessment Task

Scientific Field Report

Task: Write a formal scientific report (500 words) comparing biodiversity between two microhabitats, including:

Introduction: Research question and hypothesis
Method: How data was collected (refer to quadrat sampling)
Results: Data tables and graphs showing findings
Discussion: Explanation of results using scientific reasoning
Conclusion: Answer to research question and suggestions for further study
Cultural reflection: How traditional knowledge supports your findings

Due: Within 1 week | Assessment Level: Achieved/Merit/Excellence

Report Template View Rubric

Safety Guidelines

Before Going Outside:

Check weather conditions
Ensure appropriate clothing/footwear
Assign buddy pairs
Review emergency procedures
Check for allergies (plants, insects)

In the Field:

Stay within designated areas
Handle all organisms gently
Return organisms to exact locations
Wash hands before eating
Report any injuries immediately

Resources Needed

Field Equipment:

1m² quadrats (wire or rope)
Digital thermometers
Soil thermometers
pH test strips
Light meters (or phone apps)
Magnifying glasses
Clipboards and pencils

Digital Resources:

iNaturalist NZ app
Light meter phone apps
Plant identification apps
Weather apps for conditions
GPS apps for location recording

Teacher Notes

Weather Contingency: Have indoor alternative activities ready (analysing existing ecological data, virtual ecosystem investigations).
Equipment Management: Pre-check all equipment. Have backup thermometers and pH strips.
Group Management: Rotate students through different measurement stations every 10 minutes to maintain engagement.
Data Quality: Emphasise importance of accurate measurement and honest recording - this is real science!
Cultural Sensitivity: If any sites have cultural significance, acknowledge this and adjust activities appropriately.
Follow-up: Share class findings with school groundskeeper or environmental committee for potential habitat improvements.

Media Anchor: Field Survey Methods

Watch and capture evidence before moving into the lesson tasks.

List two data-collection practices you can apply in today's field study.
How does consistent method improve the reliability of ecological data?

Curriculum alignment

Ecosystems — Knowledge: Indigenous knowledge systems, such as mātauranga Māori, are often founded on long-term observations of environmental patterns. For example, ngā tohu o te taiao can be used to monitor seasonal changes and ecosystem health.
Ecosystems — Practices: Observing local ngā tohu o te taiao, such as flowering of certain plants or bird migrations, and explaining why these indicators can be used to understand and predict other environmental changes using an ecosystem model.
Ecosystems — Knowledge: Biotic and abiotic factors in ecosystems can affect the distribution and abundance of organisms; changes in one part can affect the balance and wellbeing of the whole system (e.g. new predator or pathogen, amount of rainfall, removal of trees, hunting).
Ecosystems — Practices: Collecting and analysing field data to measure distribution and abundance of organisms, including calculating population size, using appropriate sampling techniques

📋 Kaiako Planning Snapshot

Teacher planning support for this resource — learning intentions, success criteria, and inclusive practice guidance are summarised below.

Inclusion Guidance

ESOL / ELL learners: Pre-teach key vocabulary (field, study, rangahau) using visual word walls or bilingual glossaries before the lesson. Reduce language load with diagrams and visual models. Partner-share and think-pair-share strategies encouraged.
Neurodiverse learners / ADHD: Break the lesson into clear segments with visual checkpoints. UDL principle: offer ākonga a choice in how they demonstrate understanding (verbal, written, visual/drawn). Provide anchor charts or reference cards for lesson 3 concepts throughout.
Dyslexia: Provide audio-text alternatives for written materials. Use high-contrast fonts and generous line spacing. Allow voice recording as an alternative to written responses where possible.