Changes in vegetation and soil characteristics in coastal sand dunes along a gradient of atmospheric nitrogen deposition

Plant Biology
M L M JonesB A Emmett

Abstract

A field survey was conducted to detect signals of atmospheric nitrogen (N) in 11 dune systems along a nitrogen deposition gradient in the United Kingdom. In the mobile and semi-fixed dunes, above-ground biomass was positively related to N inputs. This increase was largely due to increased height and cover of Ammophila arenaria. In the long term, this increased biomass may lead to increased organic matter accumulation and consequently accelerated soil development. In the fixed dunes, above ground biomass also showed a positive relationship with N inputs as did soil C : N ratio while soil available N was negatively related to N inputs. Plant species richness was negatively related to N inputs. In the dune slacks, while soil and bulk vegetation parameters showed no relationship with N inputs, cover of Carex arenaria and Hypochaeris radicata increased. Site mean Ellenberg N numbers showed no relationship with N deposition either within habitats or across the whole dataset. Neither abundance-weighting nor inclusion of the Siebel numbers for bryophytes improved the relationship. The survey reveals that the relationships of soil and vegetation with atmospheric N deposition vary between sand dune habitats but, despite this variability,...Continue Reading

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Citations

Sep 23, 2010·Environmental Management·Amy Williams, Rusty Feagin
Feb 9, 2016·Environmental Pollution·Robin J PakemanRob Lewis
Nov 18, 2008·The Science of the Total Environment·Katharina PlassmannM Laurence M Jones
Oct 28, 2006·The Science of the Total Environment·M L M JonesR E Jones
Dec 19, 2012·The Science of the Total Environment·A CurreliL Jones
Jul 6, 2010·Environmental Pollution·Carly J StevensNancy B Dise
Jul 18, 2009·Environmental Pollution·A M KooijmanM van Til
Jul 4, 2006·Environmental Pollution·M Laurence M JonesJürg Fuhrer
May 14, 2005·Environmental Pollution·Leon J L van den BergRoland Bobbink
Jun 25, 2013·Environmental Pollution·L JonesE R B Oxley
May 23, 2014·The Science of the Total Environment·Jennifer RhymesLaurence Jones
Oct 2, 2014·Journal of Plant Physiology·Jofre CarnicerJosep Peñuelas
Jun 4, 2018·The Science of the Total Environment·Maria HolmbergMartin Forsius

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