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biosphere    音标拼音: [b'ɑɪosf,ɪr]
n. 生物圈

生物圈

biosphere
n 1: the regions of the surface and atmosphere of the Earth (or
other planet) where living organisms exist


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  • Biosphere | Definition, Resources, Cycles, Examples, Facts | Britannica
    Biosphere, relatively thin life-supporting stratum of Earth’s surface, extending from a few kilometers into the atmosphere to the ocean’s deep-sea vents This global ecosystem continuously cycles matter It is composed of organisms (biota) and the abiotic (nonliving) factors from which they derive energy and nutrients
  • Biosphere - Wikipedia
    The biosphere (from Ancient Greek βίος (bíos) 'life' and σφαῖρα (sphaîra) 'sphere'), also called the ecosphere (from Ancient Greek οἶκος (oîkos) 'settlement, house' and σφαῖρα (sphaîra) 'sphere'), is the worldwide sum of all ecosystems It can also be termed the zone of life on the Earth
  • Biosphere – Definition, Examples, and Diagram - Science Facts
    What is the biosphere described with facts, characteristics, examples, and a diagram Why it is important Also, learn how it interacts with the atmosphere
  • Welcome To Biosphere 2
    Biosphere 2 features a diverse array of complex, interconnected biomes and active research systems Unlike in the natural world, scientists at Biosphere 2 can precisely control and isolate environmental variables, allowing them to study interactions that are impossible to separate in nature
  • Biosphere - National Geographic Society
    The biosphere is made up of the parts of Earth where life exists The biosphere extends from the deepest root systems of trees, to the dark environment of ocean trenches, to the lush rainforests and high mountaintops
  • Biosphere - NASA Science
    Biosphere provides foundational knowledge on interactions between and within terrestrial and aquatic ecosystems, along with changes in their biogeochemistry and biodiversity The goal is to further understand the Earth system in which both human-induced and natural changes influence productivity and the availability of natural resources
  • Biosphere 2 - Wikipedia
    University of Arizona Biosphere 2 is an American Earth system science research facility located in Oracle, Arizona Its mission is to serve as a center for research, outreach, teaching, and lifelong learning about Earth, its living systems, and its place in the universe [1] It is a 3 14-acre (1 27-hectare) [2] structure originally built to be an artificial, materially closed ecological system
  • Biosphere - Ecosystems, Biodiversity, Life | Britannica
    Biosphere - Ecosystems, Biodiversity, Life: The biosphere supports between 3 and 30 million species of plants, animals, fungi, single-celled prokaryotes such as bacteria, and single-celled eukaryotes such as protozoans (Figure 1) Of this total, only about 1 4 million species have been named so far, and fewer than 1 percent have been studied for their ecological relationships and their role in
  • Biosphere | NASA Earthdata
    NASA biosphere data are critical for understanding Earth's species, climate regulation and change, and its ecosystem processes
  • What Is Earth’s Biosphere and Why Is It Important?
    The biosphere is the global ecological system encompassing all living beings and their relationships, integrating their interactions with the physical elements of the Earth It represents the sum of all ecosystems, from the single-celled organism to the largest forests This zone of life is a relatively thin layer that makes the planet habitable, transforming the physical environment through





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