Journal
EARTH SYSTEM SCIENCE DATA
Volume 13, Issue 10, Pages 4967-4985Publisher
COPERNICUS GESELLSCHAFT MBH
DOI: 10.5194/essd-13-4967-2021
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Phytoplankton primary production plays a key role in oceanographic processes, but global datasets are currently scattered and incomplete. Researchers have compiled and analyzed data from various sources to create a unified dataset, in hopes of providing a convenient resource for those studying marine phytoplankton production.
Phytoplankton primary production is a key oceanographic process. It has relationships with marinefood-web dynamics, the global carbon cycle and Earth's climate. The study of phytoplankton production on a global scale relies on indirect approaches due to the difficulties of field campaigns. Modeling approaches require in situ data for calibration and validation. In fact, the need for more phytoplankton primary-production data was highlighted several times during the last decades. Most of the available primary-production datasets are scattered in various repositories, reporting heterogeneous information and missing records. We decided to retrieve field measurements of marine phytoplankton production from several sources and create a homogeneous and ready-to-use dataset. We handled missing data and added variables related to primary production which were not present in the original datasets. Subsequently, we performed a general analysis highlighting the relationships between the variables from a numerical and an ecological perspective. Data paucity is one of the main issues hindering the comprehension of complex natural processes. We believe that an updated and improved global dataset, complemented by an analysis of its characteristics, can be of interest to anyone studying marine phytoplankton production and the processes related to it. The dataset described in this work is published in the PANGAEA repository (https://doi.org/10.1594/PANGAEA.932417) (Mattei and Scardi, 2021).
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