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(irrigation monitoring, groundwater resources and aquaculture);

ocean and coastal resources (aquaculture, shellfish and fish), and

socio-economic conditions (population distribution, production

intensity, food provision and cultural heritage).

With GEOSS in place, policymakers and farmers alike will be able

to use Earth observations for routine and operational agricultural

monitoring, yield prediction and risk management, thus ensuring

sustainable agriculture and food security.

Biodiversity

Understanding, monitoring and conserving biodiversity is critical to

ensuring the sustainable use of the world’s biological resources. Key

goals include protecting threatened and endangered species, combat-

ing invasive alien species and animal-borne diseases, and maintaining

species diversity and genetic resources. Each of these specific objec-

tives could be more effectively pursued if decision-making could be

based on the ready availability of more accurate scientific data and

rapid analyses of these relevant data.

The need to monitor the changes to animal and plant species and

communities becomes ever more critical as biodiversity is put under

increasing pressure from human activities, such as natural habitat

conversion and climate change. New technologies for remote sensing

and in situ observation, coupled with pattern recognition and model-

ling techniques, have opened up promising new means of monitoring

species populations and understanding changes in biodiversity.

Implementing GEOSS will unify many disparate biodiversity-

observing systems and create a platform for integrating biodiversity

data with other types of information. Taxonomic and

biological-information gaps will be filled, and the pace

of information collection and dissemination increased.

An important component of GEOSS will be the Global

Biodiversity Observation Network. This network of

interoperable biodiversity observation systems will also

establish links with other ecological data sets.

Meanwhile, GEO members and participating organi-

zations are working with interested partners to develop

a biodiversity observation strategy based on geographic

and thematic priorities. They are identifying ecosystems

that are: unique or highly diverse; that support migra-

tory, endemic or globally threatened species; whose

biodiversity is of socio-economic importance; and which

can support the 2010 Convention on Biological

Diversity targets.

This brief survey of the societal benefits promised

by GEOSS has attempted to set the stage for the arti-

cles that follow. While each of the activities and

projects described in this chapter are unique, they all

share one theme in common: they have been launched

to meet the urgent and expanding needs of the human

race in the early 21st century. These needs alone justify

the large sums of money and energy that are being

invested today on Earth observations and on the

construction of the Global Earth Observation System

of Systems.

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Reducing the loss of life and property from natural and human-induced disasters requires access to a wide range of environmental information