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Human Population and the Biodiversity Hotspots PowerPoint PPT Presentation


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Gridded-Pop Workshop May 2-3, 2000. Human Population and the Biodiversity Hotspots. Richard Cincotta, Robert Engelman and Jennifer Wisnewski. A Case for Considering the Low-end User of Gridded Pop Data. Who are low-end users?.

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Human population and the biodiversity hotspots

Gridded-Pop WorkshopMay 2-3, 2000

Human Population and the Biodiversity Hotspots

Richard Cincotta,

Robert Engelman and

Jennifer Wisnewski


Human population and the biodiversity hotspots

A Case for Considering

the Low-end User of

Gridded Pop Data


Human population and the biodiversity hotspots

Who are low-end users?

  • NGOs and other researchers using ArcView or other GIS viewing applications

  • with or without spatial analysis programs.


Human population and the biodiversity hotspots

What will they do with GPW?

  • Population density can be associated with risk to various resources, infrastructure and capital.

  • Population density can be associated with exposure to risks from hazards.


Human population and the biodiversity hotspots

What do low-end users need?

  • Standardization of data and procedures (comparable to UN Population Division procedures).

  • Some hints/guidelines for use and display.


Human population and the biodiversity hotspots

The Biodiversity Hotspots (25) and Major Tropical Wilderness Areas (3)

Conservation International


Human population and the biodiversity hotspots

Displaying GPW for Biodiversity Audience

Most Dense: >300 people km-2

150 - 300

50 - 150

15 - 50

5 - 15

1 - 5

Least Dense: 0 - 1


Human population and the biodiversity hotspots

Population in the Global Biodiversity Hotspots

1995


Findings biodiversity hotspots

Findings: Biodiversity Hotspots

  • As of 1995, more than 1.1 billion people were living within the 25 biodiversity hotspots.

  • The original extent of the hotspots cover just 12 percent of the planet’s land area but are home to about 20 percent of the world’s population.


Findings biodiversity hotspots1

Findings: Biodiversity Hotspots

  • Aggregate population growth (1995-2000) in the 25 hotspots (1.8%/yr) is more rapid than the world as a whole (1.3%/yr).

  • In 1995, aggregate population density in the hotspots (72 people/km2) was greater than that of the world as a whole (42 people/km2).


Human population and the biodiversity hotspots

Population in the Global Biodiversity Hotspots

1995


Major tropical wilderness areas

Major Tropical Wilderness Areas

  • Population is growing at a rate of 3.1 percent annually – about 2.5 times the world’s average population growth rate.


Human population and the biodiversity hotspots

Science & Technology

  • Short article in Nature(27 April 2000 issue, pp. 990-992)

  • Forthcoming article for GIS-users in ArcNews


Human population and the biodiversity hotspots

Policymakers

  • Forthcoming article for policymakers: Issues in Science & Technology

  • UNDP/GEF sponsored priority-setting workshop for the West African Hotspot (Dec. 1999).

  • Centerpiece for report: Nature’s Place


Human population and the biodiversity hotspots

Public Audiences

  • Population section on Conservation International wall map.

  • Analysis recommended for Pennsylvania state high school environmental science curriculum.

  • Press & Popularization


Human population and the biodiversity hotspots

Recommendations

  • A Standard Time Series (e.g., 1995, 2000, 2005, … ) -- with procedures for updating those intervals based on new estimates.

  • Historic estimates: (e.g., 1975 or 1950).

  • Discussions of Projection Methods.


Human population and the biodiversity hotspots

Nature's Place

Human Population and the Future of Biological Diversity

Richard Cincotta & Robert Engelman

GIS Analysis: Jennifer Wisnewski

Research Assistance:

Bonnie Dye & Akia Talbot


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