委派
发表于 2025-3-28 15:24:01
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enormous
发表于 2025-3-28 20:10:13
0073-1595 ‘s surface in which living organisms exist and biological cycling takes place. It includes the upper horizons of the soil in which plants root, the atmosphere near the ground, (insofar as organisms penetrate this space), and all the surface waters. More than 99% of the earth‘s biomass is phytomass,
Veneer
发表于 2025-3-29 02:47:30
Introduction: The Classification of Ecological Systemsmena associated with life from environmental factors, and the task of the ecologist is to understand these interconnections. The biosphere is a vast ecosystem within which continuous cycling of material and flow of energy takes place (certain smaller portions of the biosphere also constitute ecosystems).
内部
发表于 2025-3-29 03:38:05
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Notify
发表于 2025-3-29 07:20:51
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地牢
发表于 2025-3-29 12:59:14
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aspersion
发表于 2025-3-29 16:47:36
Springer-Verlag New York Inc. 1979