Results 191 to 200 of about 1,556,390 (298)

Food Security Versus Environmental Health: The Nitrogen Dilemma

open access: yesJournal of Plant Nutrition and Soil Science, EarlyView.
ABSTRACT Nitrogen is an essential element for plant growth and, consequently, crop production. However, the cycling of nitrogen in the environment can have negative effects. Here, we review the historical development of scientific and public awareness of these effects and the influence this has had on political action to control them.
Henrike Mielenz   +8 more
wiley   +1 more source

Mercury cycling during the last glacial period in Arctic Lake El'gygytgyn, NE Russia

open access: yesJournal of Quaternary Science, EarlyView.
ABSTRACT Tectonic processes play a key role in the global mercury (Hg) cycle on geological timescales, by mobilising Hg from deep Earth reservoirs to the surface. These natural fluxes also introduce a dynamic component to the terrestrial Hg cycle that can interact with other environmental signals and influence Hg delivery to sedimentary records.
Alice R. Paine   +7 more
wiley   +1 more source

Blockchain Technology as a Catalyst for Business Model Transformation and Organizational Change: Insights From Finnish Case Studies

open access: yesStrategic Change, EarlyView.
ABSTRACT Blockchain technology entails more than new operational tools; it is a strategic decision‐making challenge that reshapes how organizations create, deliver, and capture value. This research uses a multiple‐case study approach in the Finnish context, conducting 11 semi‐structured interviews.
Melisa Petra Benchis   +3 more
wiley   +1 more source

Navigation tables for mariners and aviators

open access: yes, 1940
Joseph Young Dreisonstok   +1 more
openaire   +2 more sources

Beginning with a single step: A social theory of change for managing chronic wasting disease

open access: yesThe Journal of Wildlife Management, EarlyView.
Following opinions of chronic wasting disease management experts, we identified and prioritized critical interventions to address the disease. We developed a theory of change for the most prioritized intervention that supports the implementation of engagement or social marketing strategies to increase support for management.
Nicholas W. Cole   +5 more
wiley   +1 more source

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