Ecosystem services

Description

University Soil Science Mind Map on Ecosystem services, created by Liv on 12/05/2013.
Liv
Mind Map by Liv, updated more than 1 year ago More Less
Liv
Created by Liv about 11 years ago
Liv
Copied by Liv about 11 years ago
10
0

Resource summary

Ecosystem services
  1. Diazotrophs = N-fixing organisms
    1. ways to protect nitrogenase from O2
      1. Slime
        1. limit O2 diffusion
        2. high levels of resp.
          1. oxidise excessively to use up O2 inside cell
        3. heterocysts
          1. thick walled cells
            1. essential for long term stability of rice paddies
              1. bacteria produce NH3 - NO additional N
            2. nitrogenase enzyme
              1. fixes N
                1. needs lot of ATP
                  1. Fe-S-Mo (Fe-Mo-Co)
                    1. electron transfer
                    2. 1 N2 needs 8 electrons
                      1. inactivated by O2 = anaerobic
                      Show full summary Hide full summary

                      Similar

                      Pollination: Learning Outcomes
                      Sam Geldard
                      Erosion Process in a Clean-Tilled Field
                      tharper
                      Climate change
                      Liv
                      Soil Biology
                      Liv
                      Erosion Process in a Clean-Tilled Field - created from Mind Map
                      tharper
                      Soil Science
                      Heather Barker
                      Newton's Three Laws of Motion
                      *Anna*
                      Master French
                      jedimaster3721
                      Malaria Mind Map
                      morgculver
                      Leaving Cert Poetry 2017
                      Mark O'M
                      AQA POETRY LOVE AND RELATIONSHIPS~ WINTER SWANS
                      Fozia Xx