POPA- Fisheries Observer Program of the Azores: Marine mammal sightings in the Azores tuna fishery from 1998 on: during navigation or search mode
Diana Catarino, University of the Azores Department of Oceanography and Fisheries (UAC-DOP);Miguel Machete, University of the Azores Department of Oceanography and Fisheries (UAC-DOP)

Notes

• The summary of the download requests may not be accurate as the download functionality of the OBIS-SEAMAP mapping tools have been advancing and it is hard to put together old download requests with newer ones.
• The number of users may be overcounted or undercounted as we didn't collect the information of user identification in early years of OBIS-SEAMAP and the IP addresses are used as a proxy to user identity for old requests.
• Other issues that may result in inaccuracy is:
  • a user may try downloading data with slightly different criteria for the same project/purpose.
  • a user may download data a couple of times over time to include the latest observations.
  • a user may download data with more coarse criteria and then filter the downloaded data more for specific needs (e.g. download global sightings of a species and then filter them with a study area).
  • a user may download data just for a test purpose.
  • For KML format, a user may visualize the data using Google Earth but did not use them for his/her scientific work.
• The data type of "diversity indexes" was added in July 2016.
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