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§4.2: The world of food - part 1
§4.2: The world of food
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Slide 1:
Slide
Aardrijkskunde
Middelbare school
havo
Leerjaar 3
This lesson contains
30 slides
, with
interactive quizzes
,
text slides
and
1 video
.
Lesson duration is:
45 min
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Items in this lesson
§4.2: The world of food
Slide 1 - Slide
Today
Recap §4.1
Explanation §4.2
Assingments
Slide 2 - Slide
Slide 3 - Slide
Slide 4 - Slide
Today
Recap §4.1
Explanation §4.2
Assingments
Slide 5 - Slide
Learning goals
You know why the
food
footprint
increases, and why this leads to
large-scale farming
and
intensification
You can demonstrate with maps that tropical rainforest is disappearing for agricultural land
Slide 6 - Slide
Vocabulary
Food
footprint
Voedselafdruk
Large-scale farming
Schaalvergroting
Intensification
Intensivering
Agriculture
Landbouw
Livestock
Veeteelt
Cattle
Vee
Yields of crops
Opbrengsten van gewassen
Slide 7 - Slide
0
Slide 8 - Video
Explain why the meat industry is one of the most polluting industries in the world
timer
1:00
Slide 9 - Open question
How
does the production of meat lead to
deforestation
of the tropical rainforest?
Slide 10 - Slide
Open the link on the next slide and read the newsarticle
Slide 11 - Slide
nltimes.nl
Slide 12 - Link
timer
2:00
Why is the Netherlands a huge contributor to global deforestation?
Slide 13 - Mind map
The Netherlands is one of the largest European importers of soybeans
Farmers use soybeans to feed their cattle
Soybeans plantations are usually created in rainforest areas
Slide 14 - Slide
glad.earthengine.app
Slide 15 - Link
In The Netherlands we have:
More than 12 million pigs
More than 3,8 million cows
More than 100 000 000 million chickens
Slide 16 - Slide
How does the production of meat lead to deforestation of the tropical rainforest?
Production of 1 kilo of meat: 50 tot 250 m² is needed
More space is needed for the animals and for fields of animal feed
Deforestation tropisch regenwoud
Slide 17 - Slide
Tropical rainforest and agriculture: Amazon
Slide 18 - Slide
Slide 19 - Slide
Food footprint increases
Food footprint
= the space needed to produce the food for a single person
World population increases
World population is getting richer
Slide 20 - Slide
Slide 21 - Slide
What do you see in this graph?
timer
0:30
A
The poorer, the bigger the meat consumption
B
The richer, the bigger the meat consumption
C
The bigger the population, the bigger the meat consumption
D
The smaller the population, the bigger the meat consumption
Slide 22 - Quiz
What is changing in the food
industry?
Quite a lot: organic framing, large-scale framing and intensification.
Organic farming
Organic farming uses fewer pesticides and gives animals more space
Large-scale farming
Companies make a lot of the same food. This is the most efficient.
Intensification
Companies that use knowledge and money for higher yields (opbrengsten). They use a lot of modern technology.
Slide 23 - Slide
Large-scale farming
Agricultural businesses that are
expanding and maximizing
their production
Slide 24 - Slide
Large-scale farming
Larger farms, fewer types of crops (or 1 species = monoculture)
Advantage: knowledge of 1 product and only 1 type of machine is needed
Disadvantage: decrease of
biodiversity
Large-scale farming
This is easy for the farmers.
They can harvest a lot at one time.
Without large-scale farming
Here grow many types of plants. This is good for the biodiversity, but the work for the farmer is more difficult and expensive.
Slide 25 - Slide
Intensification
An increased yield of crops per hectare or per animal by means of knowledge or capital
Slide 26 - Slide
Intensification
Farmers try to get as much as possible out of a piece of land or an animal.
Use of science and expensive machines.
Intensification
This farmer uses a drone
to determine exactly how much manure (mest) is needed
Intensification
All these cows are milked at once by one machine.
This saves the farmer a lot of work.
Slide 27 - Slide
Learning goals
You know why the
food
footprint
increases, and why this leads to
large-scale farming
and
intensification
You can demonstrate with maps that tropical rainforest is disappearing for agricultural land
Slide 28 - Slide
Today
Recap §4.1
Explanation §4.2
Assingments
Slide 29 - Slide
Assignments
Read §4.2
Make assignment 1, 2, 3 and 4
Finished? Have the assignments checked by the teacher
Slide 30 - Slide
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