Eutrophication of freshwater and coastal marine ecosystems a global problem

VH Smith - Environmental Science and Pollution Research, 2003 - Springer
Abstract Goal, Scope and Background Humans now strongly influence almost every major
aquatic ecosystem, and their activities have dramatically altered the fluxes of growth-limiting …

Effects of biodiversity on ecosystem functioning: a consensus of current knowledge

DU Hooper, FS Chapin III, JJ Ewel… - Ecological …, 2005 - Wiley Online Library
Humans are altering the composition of biological communities through a variety of activities
that increase rates of species invasions and species extinctions, at all scales, from local to …

A review of land–sea coupling by groundwater discharge of nitrogen to New England estuaries: Mechanisms and effects

JL Bowen, KD Kroeger, G Tomasky, WJ Pabich… - Applied …, 2007 - Elsevier
Hydrologists have long been concerned with the interface of groundwater flow into
estuaries, but not until the end of the last century did other disciplines realize the major role …

The world's largest macroalgal bloom in the Yellow Sea, China: formation and implications

D Liu, JK Keesing, P He, Z Wang, Y Shi… - Estuarine, Coastal and …, 2013 - Elsevier
The world's largest trans-regional macroalgal blooms during 2008–2012 occurred in the
Yellow Sea, China. This review addresses the causes, development and future challenges …

Nitrogen fluxes and retention in urban watershed ecosystems

PM Groffman, NL Law, KT Belt, LE Band, GT Fisher - Ecosystems, 2004 - Springer
Although the watershed approach has long been used to study whole-ecosystem function, it
has seldom been applied to study human-dominated systems, especially those dominated …

MACROALGAL CANOPIES CONTRIBUTE TO EELGRASS (ZOSTERA MARINA) DECLINE IN TEMPERATE ESTUARINE ECOSYSTEMS

J Hauxwell, J Cebrián, C Furlong, I Valiela - Ecology, 2001 - Wiley Online Library
Loss of eelgrass (Zostera marina) habitat from temperate estuaries worldwide often
coincides with increased macroalgal accumulations resulting from increased delivery of …

Eelgrass Zostera marina loss in temperate estuaries: relationship to land-derived nitrogen loads and effect of light limitation imposed by algae

J Hauxwell, J Cebrián, I Valiela - Marine Ecology Progress Series, 2003 - int-res.com
In this paper, we explicitly link changes in community structure of estuarine primary
producers to measured nitrogen loading rates from watersheds to estuaries, and quantify the …

Regional ecological risk assessment of a near shore marine environment: Cherry Point, WA

EH Hayes, WG Landis - Human and Ecological Risk Assessment, 2004 - Taylor & Francis
We conducted a regional ecological risk assessment for a near shore marine environment in
northwestern Washington State using the Relative Risk Model. The objectives of this study …

Nitrogen sources to watersheds and estuaries: role of land cover mosaics and losses within watersheds

I Valiela, JL Bowen - Environmental Pollution, 2002 - Elsevier
Across most of the World's coastal zone there has been a geographic transition from
naturally vegetated to human-altered land covers, both agricultural and urban. This …

The ecological effects of urbanization of coastal watersheds: historical increases in nitrogen loads and eutrophication of Waquoit Bay estuaries

JL Bowen, I Valiela - Canadian journal of fisheries and aquatic …, 2001 - cdnsciencepub.com
Les changements historiques d'utilisation des terres dans les bassins versants côtiers ont
augmenté les taux de charge de l'azote d'origine terrestre dans les estuaires et y ont modifié …