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Cover Crops Database
by Zixin Lu published Apr 15, 2015 last modified Apr 15, 2015 11:48 AM
Located in Research Initiatives / Agriculture, Resources and the Environment / Sustainable management of nutrients and water
The California Nitrogen Assessment: Challenges and Solutions for People, Agriculture, and the Environment
by Zixin Lu published Apr 29, 2015 last modified Apr 13, 2017 12:32 PM
Californians’ quality of life depends on our abundant food and vibrant agricultural landscapes. All Californians have a stake in a thriving agricultural sector and agricultural communities in our state, both now and for future generations.
Located in Research Initiatives / Agriculture, Resources and the Environment / Sustainable management of nutrients and water
Assessment Review Process
by Zixin Lu published Apr 29, 2015 last modified Oct 07, 2015 11:02 AM
Located in Research Initiatives / / Sustainable management of nutrients and water / California Nitrogen Assessment
About the CNA
by Zixin Lu published Apr 29, 2015 last modified Oct 07, 2015 10:28 AM
Located in Research Initiatives / / Sustainable management of nutrients and water / California Nitrogen Assessment
California Nitrogen Assessment
by Zixin Lu published Apr 29, 2015 last modified Nov 05, 2015 09:12 AM — filed under: , , , , , , , , , , ,
Located in Research Initiatives / Agriculture, Resources and the Environment / Sustainable management of nutrients and water
Underlying drivers of nitrogen flows in California
by Zixin Lu published Apr 29, 2015 last modified Jun 10, 2016 01:42 PM
To understand the stocks and flows of nitrogen in California, we first identify important underlying drivers—the economic, political, and technological processes that influence human decision-making in such a way as to affect nitrogen’s presence in and passage through California ecosystems.
Located in Research Initiatives / / California Nitrogen Assessment / Main Messages by Chapter
Direct drivers of California’s nitrogen cycle
by Zixin Lu published May 06, 2015 last modified Jun 10, 2016 01:39 PM
The release of nitrogen the environment is in part a consequence of the inherent properties of the N cycle but is greatly affected by human decisions. This chapter assesses those human and natural processes that directly alter N cycling (hereafter referred to as ‘direct drivers’). The chapter considers trends in these on-the-ground actions that influence N use, leakages, and emissions, following on our examination of underlying drivers and leading to calculations of the relative magnitude of N flows in the state.
Located in Research Initiatives / / California Nitrogen Assessment / Main Messages by Chapter
A California Nitrogen Mass Balance for 2005
by Zixin Lu published Apr 29, 2015 last modified Jun 10, 2016 03:09 PM
A mass balance of nitrogen inputs and outputs for California was calculated for the year 2005. This scientifically rigorous accounting method tracks the size of nitrogen flows which allows us to understand which sectors are the major users of nitrogen and which contribute most to the nitrogen in the air, water, and ecosystems of California.
Located in Research Initiatives / / California Nitrogen Assessment / Main Messages by Chapter
Ecosystems Services & Human Well-being
by Zixin Lu published Apr 29, 2015 last modified Jun 10, 2016 03:38 PM
Changes in nitrogen levels in soils, air, and water affect the benefits people derive from ecosystems. These benefits, known as ecosystem services, fall into the four categories of provisioning, regulating, cultural, and supporting services. In this chapter we examined ecosystem services that are known to be affected by nitrogen levels and management activities, with a focus on those that are relevant to California.
Located in Research Initiatives / / California Nitrogen Assessment / Main Messages by Chapter
Scenarios for the Future of Nitrogen Management in California Agriculture
by Zixin Lu published Apr 29, 2015 last modified Jun 10, 2016 03:48 PM
Scenarios can help stakeholders deal with controversy and complexity, and they are particularly useful in cases where there is a large amount of uncertainty, as is the case in this assessment. This chapter describes the process and results of a scenarios development workshop involving a diverse group of stakeholders who were asked to creatively think about the following question: How will we manage nitrogen in California agriculture over the next 20 years?
Located in Research Initiatives / / California Nitrogen Assessment / Main Messages by Chapter

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