1.3 Population-resource relationships Flashcards Preview

Geography > 1.3 Population-resource relationships > Flashcards

Flashcards in 1.3 Population-resource relationships Deck (16)
Loading flashcards...
1

Population ceiling

Theoretical maximum number of people who can be supported by the available resources and level of technology in an area.

2

Ecological footprint

Sustainability indicator, which expresses the relationship between population and the natural environment. Accounts fro use of natural resources of a nation.

3

Biocapacity

Capacity on an area or ecosystem to generate an ongoing supply of resources and to absorb its wastes.

4

Global hectare

Equivalent to one hectare of biologically productive space with world average productivity

5

Carbon footprint

Total set of greenhouse gas emissions caused directly and indirectly by an individual, organisation, event or product.

6

Overshoot

When humanity's demand on nature exceeds the biosphere's supply, or regenerative capaciy/

7

Green revolution

Introduction of high yielding seeds and modern agricultural techniques in developing countries.

8

Perennial crops

Crops that don't die off once harvested, exist for years before reseeding is required.

9

Optimum population

One that achieves a given aim in the satisfactory way

10

Economic optimum

Level of population that, through the production of goods and services, provides the highest average standard of living.

11

Underpopulated

When there are too few people in an are to use the resources available efficiently

12

Overpopulated

When here are too many people in an area relative to the resources and the level of technology available

13

Optimum rhythm or growth

Level of population growth that best utilises the resources and technology available.

14

Population pressure

When population per unit are exceeds the carrying capacity

15

Neo-Malthusians

Pessimistic lobby who fear that population growth will outstrip resources, leading to the consequences predicted by Thomas Malthus.

16

Anti-Maltusians

Optimists who argue that either population growth will slow well before the limits of resources are reached.