Authors
Michael Bear, Barbara Lloyd
Summary
Didn’t see any Sevengill sharks on your dive today at La Jolla Cove (or False Bay, Cape Town)? No problem – – we still need your data!
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Introduction
Didn’t see any Sevengill sharks on your dive today at La Jolla Cove (or False Bay, Cape Town)? No problem – – we still need your data!
‘Zero data’ is an important concept in long-term population studies in a fixed location with a single species: it’s also called ‘Presence/Absence’ data, meaning, we still want to know when you did *not* see a certain species in a given location, because it tells us a lot about why that particular species may or may not be present at certain times of the year.
You can access it through our main portal at Sevengill Shark Sightings.org, here (it's just below the Android app link):
http://sevengillsharksightings.org
Or go directly to the Zero Data portal here:
http://tinyurl.com/zr6qndz
DOI#: 10.13140/RG.2.1.2288.4724
Materials
Diver Survey
Procedure
Diver answers questions on survey
Anticipated results
To add 'zero data' to our Sevengill shark database
References
http://sevengillsharksightings.org/thoughts-shark-population-data-collection-shark-savers-org/
Documents for download
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