Over 60 published papers reporting field measurements of emissions of nitric oxide (NO) from soil are reviewed, and over 100 annual estimates of NO emissio... EA Davidson,W Kingerlee - 《Nutrient Cycling in Agroecosystems》 被引量: 909发表: 1997年 Emissions of trace gases and aerosols during...
For six growing seasons, we sampled senescent leaf tissue from the dominant and co-dominant shrubs and trees found in serpentine and non-serpentine chaparral communities in the California Coast Range. Our study also explicitly included congener pairs found on both soil types. Most species were ...
burns these compounds from the soil, the seeds germinate at once. Seeds that have been dormant for even 100 years can retain their germination adaptations to fire and may grow after a fire sweeps through. Climate Average Monthly Temperature ...
soil have fewer, more drought-resistant shrubs such as chamise (Adenostoma fasciculatum),mountain mahogany(Cercocarpus betuloides), red shanks (Adenostoma sparsifolium), andmanzanita(Arctostaphylosspecies). Thecommunitycompositionchanges with elevation, rainfall, soil type, and other factors, and ...