Zobrazeno 1 - 10
of 70
pro vyhledávání: '"Graham K MacDonald"'
Publikováno v:
Environmental Research Letters, Vol 19, Iss 11, p 114016 (2024)
Efficient management of nitrogen (N) and phosphorus (P) is imperative for sustainable agriculture, resource conservation, and reducing environmental pollution. Despite progress in on-farm practices and urban wastewater treatment in the Chesapeake Bay
Externí odkaz:
https://doaj.org/article/33b5626108c8497aa6bd211fae583e19
Publikováno v:
Environmental Research Letters, Vol 16, Iss 2, p 023003 (2021)
Cities are net consumers of food from local and global hinterlands. Urban foodshed analysis is a quantitative approach for examining links between urban consumers and rural agricultural production by mapping food flow networks or estimating the poten
Externí odkaz:
https://doaj.org/article/cb797a34a8474aef9d4f66e554ae7056
Autor:
Sibeal McCourt, Graham K MacDonald
Publikováno v:
Environmental Research Letters, Vol 16, Iss 9, p 095007 (2021)
Nitrogen (N) footprints are one method to quantify consumer driven reactive nitrogen (Nr) emissions. Canada is a highly urbanized yet economically natural resource-dependent country, providing an illustrative case study to examine attribution of Nr e
Externí odkaz:
https://doaj.org/article/c3c3da666e6c4aaaa08033cdbbe2999c
Autor:
Sibeal McCourt, Graham K MacDonald
Publikováno v:
Environmental Research Letters, Vol 16, Iss 11, p 119501 (2021)
Externí odkaz:
https://doaj.org/article/db756bac97614fe0acf09fff19966915
Autor:
Geneviève S Metson, Graham K MacDonald, Allison M Leach, Jana E Compton, John A Harrison, James N Galloway
Publikováno v:
Environmental Research Letters, Vol 15, Iss 10, p 105022 (2020)
Phosphorus (P) and nitrogen (N) are essential nutrients for food production but their excess use in agriculture can have major social costs, particularly related to water quality degradation. Nutrient footprint approaches estimate N and P release to
Externí odkaz:
https://doaj.org/article/28eb8d6f81df4f7eadeceaed27f601d1
Autor:
Graham K MacDonald, Julie Talbot, Tim R Moore, Julien Arsenault, Sibeal McCourt, Aidan Goertzen, Max Émile Kessler-Nadeau, Kevin Manaugh, Roxane Maranger, Brian E Robinson
Publikováno v:
Environmental Research Letters, Vol 15, Iss 4, p 045008 (2020)
Excess reactive nitrogen (N) is linked to a myriad of environmental problems that carry large social costs. Nitrogen footprint tools can help institutions understand how their direct and indirect activities are associated with N release to the enviro
Externí odkaz:
https://doaj.org/article/e1331bb062f04138a5c1476cdf69bc11
Publikováno v:
Environmental Research Letters, Vol 13, Iss 10, p 100201 (2018)
Externí odkaz:
https://doaj.org/article/91a86acf9507420eba149a945fe3b549
Autor:
Günther Grill, Bernhard Lehner, Alexander E Lumsdon, Graham K MacDonald, Christiane Zarfl, Catherine Reidy Liermann
Publikováno v:
Environmental Research Letters, Vol 12, Iss 3, p 038002 (2017)
Externí odkaz:
https://doaj.org/article/504e2e0c028b4b83a9759490d37ba4a9
Publikováno v:
Environmental Research Letters, Vol 11, Iss 9, p 091001 (2016)
How much could farm water management interventions increase global crop production? This is the central question posed in a global modelling study by Jägermeyr et al (2016 Environ. Res. Lett. http://dx.doi.org/10.1088/1748-9326/11/2/025002 11 http:/
Externí odkaz:
https://doaj.org/article/04a8510613bb4ee993eb50671415a558
Publikováno v:
PLoS ONE, Vol 6, Iss 1, p e15913 (2011)
BackgroundA hallmark of the latter half of the 20(th) century is the widespread, rapid intensification of a variety of anthropogenically-driven environmental changes--a "Great Acceleration." While there is evidence of a Great Acceleration in a variet
Externí odkaz:
https://doaj.org/article/ee4c01ff05ed4a78bffcaa73a17a2acd