منابع مشابه
Phosphorus limitation of coastal ecosystem processes.
Primary production in coastal wetlands is conventionally thought to be limited by nitrogen. Although the plant community in a pristine salt marsh was found to be limited primarily by nitrogen availability, the bacterial community in the soil was limited by phosphorus. Hence, in coastal wetlands, and possibly in many ecosystems, individual trophic groups may respond differently to nitrogen and p...
متن کاملCoastal tropical zooplankton: Patterns and processes over spatial scales
Previous studies on the abundance/biomass and species distribution of coastal tropical zooplankton have been done at a few stations, making them unsuitable to study spatial patterns. Whereas several physical and biological processes have been found to generate and maintain the spatial patterns of coastal tropical zooplankton, the scales of spatial dependency of these processes and their effects...
متن کاملGroundwater and microbial processes of Alabama coastal plain aquifers
[1] We integrate groundwater geochemistry, microbiology, and numerical modeling techniques to study the origin of elevated salinity and chemical evolution of groundwaters in the coastal plain aquifers of Alabama. Our field data indicate that chemical composition of groundwater evolves by various geochemical and microbial processes as it moves deeper into the subsurface. Sequential peaks of Ca, ...
متن کاملLight Scattering Properties and Processes of Coastal Waters
Characterizing the volume scattering function (VSF) of oceanic waters remains one of the most outstanding problems in optical oceanography. The goal of this project was to develop the tools necessary to significantly advance our knowledge of the VSF of oceanic waters, particularly coastal waters. This project ended early into this reporting period (FY01) and therefore there is not much new to a...
متن کاملCoastal Ocean Modeling: Processes and Real-time Systems
Introduction The coastal oceans are among the most challenging marine environments in the world. They are subject to the combined geometrical constraints of irregular coastlines and highly variable (steep and tall) bathymetry, and are forced both internally, laterally and surfacially by a complex array of tidal, wind and buoyancy forces on a broad range of space/time scales. The resulting coast...
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ژورنال
عنوان ژورنال: Nature
سال: 1962
ISSN: 0028-0836,1476-4687
DOI: 10.1038/196819a0