Projected Impacts of Climate and Land-Use Change on the Global Diversity of Birds

By Walter Jetz, D. Wilcove, A. Dobson. PLoS Biology, 2007

1,096 citations recorded by the source corpus.

Over the past few decades, land-use and climate change have led to substantial range contractions and species extinctions. Even more dramatic changes to global land cover are projected for this century. We used the Millennium Ecosystem Assessment scenarios to evaluate the exposure of all 8,750 land bird species to projected land-cover changes due to climate and land-use change. For this first baseline assessment, we assumed stationary geographic ranges that may overestimate actual losses in geographic range. Even under environmentally benign scenarios, at least 400 species are projected to suffer >50% range reductions by the year 2050 (over 900 by the year 2100). Although expected climate change effects at high latitudes are significant, species most at risk are predominantly narrow-ranged and endemic to the tropics, where projected range contractions are driven by anthropogenic land conversions. Most of these species are currently not recognized as imperiled. The causes, magnitude and geographic patterns of potential range loss vary across socioeconomic scenarios, but all scenarios (even the most environmentally benign ones) result in large declines of many species. Whereas climate change will severely affect biodiversity, in the near future, land-use change in tropical countries may lead to yet greater species loss. A vastly expanded reserve network in the tropics, coupled with more ambitious goals to reduce climate change, will be needed to minimize global extinctions.

Subfields: Ecological Modeling, Ecology, Nature and Landscape Conservation

View Paper: https://www.semanticscholar.org/paper/ab75a4b7def80acaf354625632461a7ea2cb2f6d

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In Ecological Modeling

  1. Miguel B. Araújo
  2. Wilfried Thuiller
  3. Walter Jetz
  4. Antoine Guisan
  5. C. Rahbek
  6. G. Grenouillet
  7. Jane Elith
  8. Jorge M. Lobo

In Ecology

  1. Miguel B. Araújo
  2. Wilfried Thuiller
  3. Antoine Guisan
  4. Walter Jetz
  5. C. Rahbek
  6. A. Townsend Peterson
  7. G. Grenouillet
  8. Jorge M. Lobo

In Nature and Landscape Conservation

  1. Wilfried Thuiller
  2. Miguel B. Araújo
  3. Antoine Guisan
  4. Walter Jetz
  5. C. Rahbek
  6. G. Grenouillet
  7. A. Townsend Peterson
  8. Jorge M. Lobo

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