Heather Moorland Vegetation and Air Pollution: A Comparison and Synthesis of Three National Gradient Studies
Heather Moorland Vegetation and Air Pollution: A Comparison and Synthesis of Three National Gradient Studies
复制标题
希瑟荒原植被和空气污染:三个国家梯度研究的比较和综合
DOI:
10.1007/s11270-014-1998-6
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发表时间:
2014
期刊:
影响因子:
--
通讯作者:
Payne R
中科院分区:
文献类型:
--
作者:
Payne R
Large-scale spatial gradient studies are increasingly used to understand the impacts of air pollution and devise appropriate conservation and policy responses, but how consistent are the conclusions we draw from these surveys? Here, we address this question by comparing three independent gradient studies from the same habitat, UK heather moorlands. We harmonise and re-analyse vegetation data from these surveys in relation to cumulative nitrogen deposition, sulphur deposition and other potential drivers and use these results to assess the possible impacts of air pollution in this habitat. Air pollution variables explain more variance in species richness and composition than other variables in the vast majority of analyses. Untangling the relative contribution of nitrogen and (legacy) sulphur deposition is difficult due to strong correlation, but it is likely that nitrogen deposition is currently the dominant driver of change. There is consistency in the negative correlation between species richness and nitrogen deposition, but some variability in the form of this relationship due to small sample sizes. Across surveys there is a high degree of consistency in species identified as either positively or negatively correlated to nitrogen deposition, and no evidence for systematic differences. We conclude that relatively small surveys across wide gradients can provide useful information on potential drivers of diversity, as well as identify sensitive and tolerant species. Our results strongly suggest that nitrogen deposition has a severe and widespread impact on the biodiversity of British heather moorlands and is causing changes in plant communities, including promoting the spread of at least one invasive species.
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DOI:
--
发表时间:
1992
期刊:
影响因子:
--
作者:
M. Crawley
通讯作者:
M. Crawley
影响因子:
1.7
作者:
R. Virtanen;A. Johnston;M. Crawley;G. Edwards
通讯作者:
G. Edwards
DOI:
--
发表时间:
2006
期刊:
影响因子:
--
作者:
C. Pitcairn;I. Leith;L. Sheppard;M. Sutton
通讯作者:
M. Sutton
DOI:
10.1002/joc.1160
发表时间:
2005
期刊:
International Journal of Climatology
影响因子:
--
作者:
M. Perry;D. Hollis
通讯作者:
D. Hollis
DOI:
--
发表时间:
1958
期刊:
影响因子:
--
作者:
J. Aberdeen
通讯作者:
J. Aberdeen