科学与环境

From stimulation to suppression: How nitrogen addition changes soil respiration over time

来源: Phys.org - latest science and technology news stories · 发布于

From stimulation to suppression: How nitrogen addition changes soil respiration over time
来源: Phys.org - latest science and technology news stories

Soil respiration (Rs), the efflux of CO₂ from soils to the atmosphere driven by root and microbial activity, is one of the largest terrestrial carbon fluxes and a primary determinant of net carbon sequestration. The important role of nitrogen in driving terrestrial carbon sequest

Soil respiration (Rs), the efflux of CO₂ from soils to the atmosphere driven by root and microbial activity, is one of the largest terrestrial carbon fluxes and a primary determinant of net carbon sequestration. The important role of nitrogen in driving terrestrial carbon sequestration has long been recognized. However, the role of nitrogen in the temporal dynamics of Rs has not been well understood.

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Microscopic solar panels could help shape 3D-printed biological tissue
科学与环境

Microscopic solar panels could help shape 3D-printed biological tissue

Bioprinting uses living cells and molecular signals to produce biological tissues and even whole organs, building them layer by layer in the lab. To keep the bioink, or blend of cells and materials that power this printing, correctly aligned to grow a target tissue, researchers u

Phys.org - latest science and technology news stories ·

Parrots' vibrant feathers are surprisingly susceptible to bacterial attack
科学与环境

Parrots' vibrant feathers are surprisingly susceptible to bacterial attack

Flashy birds, from peacocks to parrots, have inspired a long tradition of using animal colors to study evolution. Colorful plumage often functions as a signal—for example, to attract a mate. Alternatively, drab colors can be used for camouflage. However, color can have functions

Phys.org - latest science and technology news stories ·

Matter–antimatter asymmetry still provides no evidence of new physics
科学与环境

Matter–antimatter asymmetry still provides no evidence of new physics

The universe's dominance by ordinary matter is compelling evidence that matter and antimatter are not perfect reflections of each other. However, known differences do not explain the scale of this imbalance, leaving open the possibility that unknown physics is responsible. A new

Phys.org - latest science and technology news stories ·