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Vegetation change at high elevation: scale dependence and interactive effects on Niwot Ridge

Journal Article · · Plant Ecology & Diversity
 [1];  [2];  [3];  [4];  [5]
  1. Univ. of California, Berkeley, CA (United States); Univ. of Colorado, Boulder, CO (United States)
  2. Univ. of California, Berkeley, CA (United States)
  3. Commonwealth Scientific and Industrial Research Organisation (CSIRO), Canberra (Australia)
  4. Univ. of California, Merced, CA (United States)
  5. Washington Univ., St. Louis, MO (United States)
High-elevation mountain systems may be particularly responsive to climate change. In this work, we investigate how changes along elevation gradients in mountain systems can aid in predicting vegetation distributional changes in time, focusing on how changing climatic controls affect meso-scale transitions at the lower and upper boundaries of alpine vegetation (with forest and subnival zones, respectively) as well as micro-scale transitions among plant communities within the alpine belt. We focus on climate-related drivers, particularly in relation to climate change, but also consider how species interactions, dispersal and responses to disturbance may influence plant responses to these abiotic drivers. Empirical observations and experimental studies indicate that changing climatic controls influence both meso-scale transitions at the upper and lower boundaries of alpine vegetation and micro-scale transitions among plant communities within tundra. Micro-scale heterogeneity appears to buffer response in many cases, while interactions between climate and other changes may often accelerate change. Interactions with microtopography and larger edaphic gradients have the capacity to both facilitate rapid changes and reinforce stability, and that these interactions will affect the responsiveness of vegetation to climate change at different spatial scales.
Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
National Science Foundation (NSF); USDOE
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
1581583
Journal Information:
Plant Ecology & Diversity, Journal Name: Plant Ecology & Diversity Journal Issue: 5-6 Vol. 8; ISSN 1755-0874
Publisher:
Taylor & FrancisCopyright Statement
Country of Publication:
United States
Language:
English

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UV Screening in Native and Non-native Plant Species in the Tropical Alpine: Implications for Climate Change-Driven Migration of Species to Higher Elevations journal August 2017
Distance and environmental difference in alpine plant communities journal May 2017
Increases in thermophilus plants in an arid alpine community in response to experimental warming journal January 2019
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