関連する実験動画

Updated: Jun 26, 2025

A Low-Cost Method of Measuring the In Situ Primary Productivity of Periphyton Communities of Lentic Waters
06:02

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Published on: December 16, 2022

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南洋の生産性の3分の"は 塵の堆積によって支えられています

Jakob Weis1,2, Zanna Chase3,4, Christina Schallenberg5,6

  • 1Institute for Marine and Antarctic Studies (IMAS), University of Tasmania, Hobart, Tasmania, Australia. jakob.weis@utas.edu.au.

Nature
|May 15, 2024
PubMed
まとめ

風が吹いた塵は 南洋を肥沃にし 生物の生産性を高めます この鉄の肥料は 海の3分の"以上を占めています

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関連する概念動画

Primary Production01:06

Primary Production

The total amount of energy acquired by primary producers in an ecosystem is called gross primary production (GPP). However, of this energy, producers use some for metabolic processes, and some is lost as heat, decreasing the amount of energy available to the next trophic level. The remaining usable amount of energy is called the net primary productivity (NPP). In terrestrial ecosystems, NPP is driven by climate, while light penetration and nutrient availability drive NPP in aquatic ecosystems.
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The Sulfur Cycle01:22

The Sulfur Cycle

Sulfur, an important element in the chemical makeup of proteins, is recycled through the atmosphere and aquatic and terrestrial environments. Found in the atmosphere as sulfur dioxide (SO2), sulfur is released by decaying organisms, weathered rocks, geothermal vents, volcanos, and burning fossil fuels. It is deposited into the ecosystem, cycled through the biotic community, and either released back into the atmosphere as gas or deposited in marine sediment for long-term storage and eventual...
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The Soil Ecosystem02:23

The Soil Ecosystem

Plants obtain inorganic minerals and water from the soil, which acts as a natural medium for land plants. The composition and quality of soil depend not only on the chemical constituents but also on the presence of living organisms. In general, soils contain three major components:
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