To settle or protect? A global analysis of net primary production in parks and urban areas

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To settle or protect? A global analysis of net primary production in parks and urban areas. / O'Neil, Daniel; Abson, David.
In: Ecological Economics, Vol. 69, No. 2, 15.12.2009, p. 319-327.

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@article{fc3bd9c4dd7c45eb8a3b43ff27009ee0,
title = "To settle or protect? A global analysis of net primary production in parks and urban areas",
abstract = "We test-at the global scale-the hypothesis that human beings tend to build settlements in areas of high biological productivity, and protect (as parks) areas of low productivity. Furthermore, we propose an alternative measure of the extent and effectiveness of the global protected areas network based on potential net primary production (NPP 0). The average NPP 0 in urban areas and parks is calculated and compared to the average NPP 0 of the geopolitical regions and biomes containing these areas. Additionally, human appropriation of net primary production (HANPP) in parks is used as an indicator of the effectiveness of these protected areas. We find that in almost all regions of the world, humans have chosen to settle in the most productive areas. At the global scale, urban areas have considerably higher NPP 0 (592 g Cm - 2 yr - 1) than the global average (494 g Cm - 2 yr - 1), while parks have roughly average NPP 0 (490 g Cm - 2 yr - 1). Parks with an IUCN category of I-VI account for 9.5% of the planet's terrestrial NPP 0, compared to 9.6% of its terrestrial area. Although protected area and protected NPP 0 are nearly equal, this equivalence is diminished by HANPP within parks. Globally, the average HANPP in all protected areas is 14% of their NPP 0, and HANPP within parks increases as the park management category becomes less restrictive. Moreover, we find a positive correlation between HANPP in parks and the extent of urbanization in the surrounding region and biome. Area-based targets for conservation provide no information on either the quality of the areas we choose to protect, or the effectiveness of that protection. We conclude that NPP 0 and HANPP may provide an additional, useful tool for assessing the extent and effectiveness of the global protected areas network.",
keywords = "Ecosystems Research, Sustainability Science, Sustainability sciences, Management & Economics",
author = "Daniel O'Neil and David Abson",
year = "2009",
month = dec,
day = "15",
doi = "10.1016/j.ecolecon.2009.08.028",
language = "English",
volume = "69",
pages = "319--327",
journal = "Ecological Economics",
issn = "0921-8009",
publisher = "Elsevier B.V.",
number = "2",

}

RIS

TY - JOUR

T1 - To settle or protect? A global analysis of net primary production in parks and urban areas

AU - O'Neil, Daniel

AU - Abson, David

PY - 2009/12/15

Y1 - 2009/12/15

N2 - We test-at the global scale-the hypothesis that human beings tend to build settlements in areas of high biological productivity, and protect (as parks) areas of low productivity. Furthermore, we propose an alternative measure of the extent and effectiveness of the global protected areas network based on potential net primary production (NPP 0). The average NPP 0 in urban areas and parks is calculated and compared to the average NPP 0 of the geopolitical regions and biomes containing these areas. Additionally, human appropriation of net primary production (HANPP) in parks is used as an indicator of the effectiveness of these protected areas. We find that in almost all regions of the world, humans have chosen to settle in the most productive areas. At the global scale, urban areas have considerably higher NPP 0 (592 g Cm - 2 yr - 1) than the global average (494 g Cm - 2 yr - 1), while parks have roughly average NPP 0 (490 g Cm - 2 yr - 1). Parks with an IUCN category of I-VI account for 9.5% of the planet's terrestrial NPP 0, compared to 9.6% of its terrestrial area. Although protected area and protected NPP 0 are nearly equal, this equivalence is diminished by HANPP within parks. Globally, the average HANPP in all protected areas is 14% of their NPP 0, and HANPP within parks increases as the park management category becomes less restrictive. Moreover, we find a positive correlation between HANPP in parks and the extent of urbanization in the surrounding region and biome. Area-based targets for conservation provide no information on either the quality of the areas we choose to protect, or the effectiveness of that protection. We conclude that NPP 0 and HANPP may provide an additional, useful tool for assessing the extent and effectiveness of the global protected areas network.

AB - We test-at the global scale-the hypothesis that human beings tend to build settlements in areas of high biological productivity, and protect (as parks) areas of low productivity. Furthermore, we propose an alternative measure of the extent and effectiveness of the global protected areas network based on potential net primary production (NPP 0). The average NPP 0 in urban areas and parks is calculated and compared to the average NPP 0 of the geopolitical regions and biomes containing these areas. Additionally, human appropriation of net primary production (HANPP) in parks is used as an indicator of the effectiveness of these protected areas. We find that in almost all regions of the world, humans have chosen to settle in the most productive areas. At the global scale, urban areas have considerably higher NPP 0 (592 g Cm - 2 yr - 1) than the global average (494 g Cm - 2 yr - 1), while parks have roughly average NPP 0 (490 g Cm - 2 yr - 1). Parks with an IUCN category of I-VI account for 9.5% of the planet's terrestrial NPP 0, compared to 9.6% of its terrestrial area. Although protected area and protected NPP 0 are nearly equal, this equivalence is diminished by HANPP within parks. Globally, the average HANPP in all protected areas is 14% of their NPP 0, and HANPP within parks increases as the park management category becomes less restrictive. Moreover, we find a positive correlation between HANPP in parks and the extent of urbanization in the surrounding region and biome. Area-based targets for conservation provide no information on either the quality of the areas we choose to protect, or the effectiveness of that protection. We conclude that NPP 0 and HANPP may provide an additional, useful tool for assessing the extent and effectiveness of the global protected areas network.

KW - Ecosystems Research

KW - Sustainability Science

KW - Sustainability sciences, Management & Economics

UR - http://www.scopus.com/inward/record.url?scp=70449513015&partnerID=8YFLogxK

U2 - 10.1016/j.ecolecon.2009.08.028

DO - 10.1016/j.ecolecon.2009.08.028

M3 - Journal articles

VL - 69

SP - 319

EP - 327

JO - Ecological Economics

JF - Ecological Economics

SN - 0921-8009

IS - 2

ER -

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