The Ecological Footprint - Ulm · consume resources and ecological services these areas, regardless...

The Ecological Footprint

CARBON footprint

FISHING grounds1

Biocapacity:How much

bioproductive area isavailable to us ?

Ecological Footprint:How much bioproductive

area do we demand ?

Accounting Framework for Ecosystem Services

2

1 ha

Measurement Unit: Global hectare (gha)

2 gha

This hectare is twice as

productive as a world

average, biologically

productive hectare.

Hence it is worth 2 gha.

½ gha1 ha

This hectare is half as

productive as a world

average, biologically

productive hectare. Hence

it is worth ½ a gha.

1 hectare = 2.4 acres

3

Personal Footprint 1

Personal Footprint 2

Personal Footprint 3

Personal Footprint 4

Humanity’s Ecological Footprint (1961 onwards)

Footprint of Nations, 2005, per capita

2.1 gha

Ecological Creditors and Ecological Debtors – 1961

Debtor

Creditor

12

Ecological Creditors and Ecological Debtors – 2008

Global Footprint--------------------------- = 1.5Global Biocapacity

Debtor

Creditor

13