Fragmentation of rangelands: implications for humans, animals, and landscapes
Fragmentation of the ecosystems of the earth into spatially isolated units has emerged as a primary component of global change. Often, fragmentation results from actions that are intended to enhance human livelihoods and well-being; however, there are often costs to ecosystems and human economies that are not considered. We describe the three general categories of processes causing fragmentation of rangelands worldwide: dissection, decoupling, and compression. We show that access to heterogeneity of landscapes is an important attribute of grazing ecosystems worldwide, and that fragmentation of these systems, even when it proceeds in the absence of habitat loss, can limit options of people and animals, options that are particularly important in temporally heterogeneous environments. We discuss the consequences of fragmentation for people, livestock, wildlife, and landscapes and describe potential adaptations that can mitigate its harmful outcomes. We close by reviewing policy options that promote re-aggregation of landscapes and adaptation to fragmentation.
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Format: | Journal Article biblioteca |
Language: | English |
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Elsevier
2008-10
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Subjects: | rangelands, environmental degradation, |
Online Access: | https://hdl.handle.net/10568/2130 https://doi.org/10.1016/j.gloenvcha.2008.07.011 |
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dig-cgspace-10568-21302023-12-08T19:36:04Z Fragmentation of rangelands: implications for humans, animals, and landscapes Hobbs, N.T. Galvin, K.A. Stokes, C.J. Lackett, J.M. Ash, Andrew J. Boone, Randall B. Reid, Robin S. Thornton, Philip K. rangelands environmental degradation Fragmentation of the ecosystems of the earth into spatially isolated units has emerged as a primary component of global change. Often, fragmentation results from actions that are intended to enhance human livelihoods and well-being; however, there are often costs to ecosystems and human economies that are not considered. We describe the three general categories of processes causing fragmentation of rangelands worldwide: dissection, decoupling, and compression. We show that access to heterogeneity of landscapes is an important attribute of grazing ecosystems worldwide, and that fragmentation of these systems, even when it proceeds in the absence of habitat loss, can limit options of people and animals, options that are particularly important in temporally heterogeneous environments. We discuss the consequences of fragmentation for people, livestock, wildlife, and landscapes and describe potential adaptations that can mitigate its harmful outcomes. We close by reviewing policy options that promote re-aggregation of landscapes and adaptation to fragmentation. 2008-10 2010-08-02T13:44:52Z 2010-08-02T13:44:52Z Journal Article Hobbs, N.T.; Galvin, K.A.; Stokes, C.J.; Lackett, J.M.; Ash, A.J.; Boone, R.B.; Reid, R.S.; Thornton, P.K. 2008. Fragmentation of rangelands: implications for humans, animals, and landscapes. Global Environmental Change 18(4):776-785. 0959-3780 https://hdl.handle.net/10568/2130 https://doi.org/10.1016/j.gloenvcha.2008.07.011 en Copyrighted; all rights reserved Limited Access p. 776-785 Elsevier Global Environmental Change |
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rangelands environmental degradation rangelands environmental degradation |
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rangelands environmental degradation rangelands environmental degradation Hobbs, N.T. Galvin, K.A. Stokes, C.J. Lackett, J.M. Ash, Andrew J. Boone, Randall B. Reid, Robin S. Thornton, Philip K. Fragmentation of rangelands: implications for humans, animals, and landscapes |
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Fragmentation of the ecosystems of the earth into spatially isolated units has emerged as a primary component of global change. Often, fragmentation results from actions that are intended to enhance human livelihoods and well-being; however, there are often costs to ecosystems and human economies that are not considered. We describe the three general categories of processes causing fragmentation of rangelands worldwide: dissection, decoupling, and compression. We show that access to heterogeneity of landscapes is an important attribute of grazing ecosystems worldwide, and that fragmentation of these systems, even when it proceeds in the absence of habitat loss, can limit options of people and animals, options that are particularly important in temporally heterogeneous environments. We discuss the consequences of fragmentation for people, livestock, wildlife, and landscapes and describe potential adaptations that can mitigate its harmful outcomes. We close by reviewing policy options that promote re-aggregation of landscapes and adaptation to fragmentation. |
format |
Journal Article |
topic_facet |
rangelands environmental degradation |
author |
Hobbs, N.T. Galvin, K.A. Stokes, C.J. Lackett, J.M. Ash, Andrew J. Boone, Randall B. Reid, Robin S. Thornton, Philip K. |
author_facet |
Hobbs, N.T. Galvin, K.A. Stokes, C.J. Lackett, J.M. Ash, Andrew J. Boone, Randall B. Reid, Robin S. Thornton, Philip K. |
author_sort |
Hobbs, N.T. |
title |
Fragmentation of rangelands: implications for humans, animals, and landscapes |
title_short |
Fragmentation of rangelands: implications for humans, animals, and landscapes |
title_full |
Fragmentation of rangelands: implications for humans, animals, and landscapes |
title_fullStr |
Fragmentation of rangelands: implications for humans, animals, and landscapes |
title_full_unstemmed |
Fragmentation of rangelands: implications for humans, animals, and landscapes |
title_sort |
fragmentation of rangelands: implications for humans, animals, and landscapes |
publisher |
Elsevier |
publishDate |
2008-10 |
url |
https://hdl.handle.net/10568/2130 https://doi.org/10.1016/j.gloenvcha.2008.07.011 |
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