Phytoplankton biomass is a crucial measure of the health of ocean ecosystems. An impressive synthesis of the relevant data, stretching back to more than 100 years ago, provides a connection with climate change.
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/century-phytoplankton-change
[2] http://admin.indiaenvironmentportal.org.in/category/author/tom-andersen
[3] http://admin.indiaenvironmentportal.org.in/category/author/jill-s-baron-et-al
[4] http://admin.indiaenvironmentportal.org.in/category/journal/nature
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/marine-ecosystems
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/remote-sensing