SUBJECT 2. |
Scales of natural variability and *antropogénica: Approximation by means of distinct temporary and space scales. Tendencies *interdecadales in primary production. |
SUBJECT 4 |
Effect of the degradation of the layer of ozone and the increase of the radiation *UV on the marine ecosystems. The cycle of the ozone. Penetration of the radiation *UV in the half aquatic. Photodegradation and *fotoinhibición. Direct and indirect effects of the radiation *UV on the marine organisms. |
SUBJECT 6. |
Impact of the global change on the biogeochemical cycles in the oceans. Eutrophication: coastal and atmospheric contributions. Massive proliferations of toxic phytoplankton. |
SUBJECT 8. |
Impact of the global change on the food webs *pelágicas. Changes in biomass of primary producers and consumers. Changes in the efficiency of transfer of the food webs. |